Bluetooth: update rtk_btusb driver to v 4.1.2
authorhuweiguo <hwg@rock-chips.com>
Fri, 17 Feb 2017 08:20:00 +0000 (16:20 +0800)
committerHuang, Tao <huangtao@rock-chips.com>
Fri, 17 Feb 2017 09:25:49 +0000 (17:25 +0800)
Change-Id: I3627b1938c734cfe4ce32c269798037dc1ff8a32
Signed-off-by: huweiguo <hwg@rock-chips.com>
drivers/bluetooth/Kconfig
drivers/bluetooth/Makefile
drivers/bluetooth/rtk_btusb.c
drivers/bluetooth/rtk_btusb.h

index ec6af15950622ef2448cfda759fd73bb141286f0..162a9886dc021f791c99b93bfb7b1407b1db1711 100644 (file)
@@ -18,6 +18,12 @@ config BT_QCA
        tristate
        select FW_LOADER
 
+config BT_RTKBTUSB
+       tristate "RTK HCI USB driver"
+       depends on USB
+       help
+         RTK Bluetooth HCI USB driver
+
 config BT_HCIBTUSB
        tristate "HCI USB driver"
        depends on USB
index 07c9cf381e5aeb2585a18beb0f9aa98a75862e9e..ba76ca973218192f95625cb18b814a01724a722e 100644 (file)
@@ -13,6 +13,7 @@ obj-$(CONFIG_BT_HCIBLUECARD)  += bluecard_cs.o
 obj-$(CONFIG_BT_HCIBTUART)     += btuart_cs.o
 
 obj-$(CONFIG_BT_HCIBTUSB)      += btusb.o
+obj-$(CONFIG_BT_RTKBTUSB)      += rtk_btusb.o
 obj-$(CONFIG_BT_HCIBTSDIO)     += btsdio.o
 
 obj-$(CONFIG_BT_INTEL)         += btintel.o
index 631522cc9ad52fb77d5b2b429205270e284ae7b5..239ebfdc2b593bbd9f529255a9566206938b2cc9 100755 (executable)
 #include <linux/skbuff.h>
 #include <linux/usb.h>
 
-/*******************************/
+#include <linux/ioctl.h>
+#include <linux/io.h>
+#include <linux/firmware.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/reboot.h>
+
 #include "rtk_btusb.h"
-#define VERSION "2.21"
 
-#define DBG_FLAG 0
-#if DBG_FLAG
-#define RTKBT_DBG(fmt, arg...) printk(KERN_INFO "rtk_btusb: " fmt "\n" , ## arg)
-#else
-#define RTKBT_DBG(fmt, arg...)
-#endif
-#define RTKBT_INFO(fmt, arg...) printk(KERN_INFO "rtk_btusb: " fmt "\n" , ## arg)
-#define RTKBT_WARN(fmt, arg...) printk(KERN_WARNING "rtk_btusb: " fmt "\n" , ## arg)
-#define RTKBT_ERR(fmt, arg...) printk(KERN_ERR "rtk_btusb: " fmt "\n" , ## arg)
-
-/*******************************
-**    Reasil patch code
-********************************/
-#define CMD_CMP_EVT            0x0e
-#define PKT_LEN                        300
-#define MSG_TO                 1000
-#define PATCH_SEG_MAX  252
-#define DATA_END               0x80
-#define DOWNLOAD_OPCODE        0xfc20
-#define BTOFF_OPCODE   0xfc28
-#define TRUE                   1
-#define FALSE                  0
-#define CMD_HDR_LEN            sizeof(struct hci_command_hdr)
-#define EVT_HDR_LEN            sizeof(struct hci_event_hdr)
-#define CMD_CMP_LEN            sizeof(struct hci_ev_cmd_complete)
-
-enum rtk_endpoit {
-       CTRL_EP = 0,
-       INTR_EP = 1,
-       BULK_EP = 2,
-       ISOC_EP = 3
-};
+#define RTKBT_RELEASE_NAME "20170109_TV_ANDROID_6.x"
+#define VERSION "4.1.2"
+
+#define SUSPNED_DW_FW 0
+#define SET_WAKEUP_DEVICE 0
 
-typedef struct {
-       uint16_t        prod_id;
-       uint16_t        lmp_sub_default;
-       uint16_t        lmp_sub;
-       uint16_t        eversion;
-       char            *mp_patch_name;
-       char            *patch_name;
-       char            *config_name;
-       uint8_t         *fw_cache;
-       int                     fw_len;
-} patch_info;
-
-typedef struct {
-       struct usb_interface    *intf;
-       struct usb_device               *udev;
-       patch_info *patch_entry;
-       int                     pipe_in, pipe_out;
-       uint8_t         *send_pkt;
-       uint8_t         *rcv_pkt;
-       struct hci_command_hdr          *cmd_hdr;
-       struct hci_event_hdr            *evt_hdr;
-       struct hci_ev_cmd_complete      *cmd_cmp;
-       uint8_t         *req_para,      *rsp_para;
-       uint8_t         *fw_data;
-       int                     pkt_len;
-       int                     fw_len;
-} firmware_info;
-
-typedef struct {
-       uint8_t index;
-       uint8_t data[PATCH_SEG_MAX];
-} __attribute__((packed)) download_cp;
-
-typedef struct {
-       uint8_t status;
-       uint8_t index;
-} __attribute__((packed)) download_rp;
+
+static spinlock_t queue_lock;
+static spinlock_t dlfw_lock;
+static volatile uint16_t    dlfw_dis_state = 0;
+
+#if SUSPNED_DW_FW
+static firmware_info *fw_info_4_suspend = NULL;
+#endif
 
 static patch_info fw_patch_table[] = {
-/* { pid, lmp_sub_default, lmp_sub, everion, mp_fw_name, fw_name, config_name, fw_cache, fw_len } */
-{ 0x1724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* RTL8723A */
-{ 0x8723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE */
-{ 0xA723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE for LI */
-{ 0x0723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE */
-{ 0x3394, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE for Azurewave*/
-
-{ 0x0724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */
-{ 0x8725, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */
-{ 0x872A, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */
-{ 0x872B, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */
-
-{ 0xb720, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 }, /* RTL8723BU */
-{ 0xb72A, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 }, /* RTL8723BU */
-{ 0xb728, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for LC */
-{ 0xb723, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */
-{ 0xb72B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */
-{ 0xb001, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for HP */
-{ 0xb002, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */
-{ 0xb003, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */
-{ 0xb004, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */
-{ 0xb005, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */
-
-{ 0x3410, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Azurewave */
-{ 0x3416, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Azurewave */
-{ 0x3459, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Azurewave */
-{ 0xE085, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Foxconn */
-{ 0xE08B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Foxconn */
-
-{ 0xA761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU only */
-{ 0x818B, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 }, /* RTL8761AW + 8192EU */
-{ 0x818C, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 }, /* RTL8761AW + 8192EU */
-{ 0x8760, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8192EE */
-{ 0xB761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8192EE */
-{ 0x8761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8192EE for LI */
-{ 0x8A60, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8812ae_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8812AE */
-
-{ 0x8821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */
-{ 0x0821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */
-{ 0x0823, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AU */
-{ 0x3414, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */
-{ 0x3458, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */
-{ 0x3461, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */
-{ 0x3462, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */
+/* { vid, pid, lmp_sub_default, lmp_sub, everion, mp_fw_name, fw_name, config_name, fw_cache, fw_len, mac_offset } */
+{ 0x0BDA, 0x1724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723A */
+{ 0x0BDA, 0x8723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */
+{ 0x0BDA, 0xA723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for LI */
+{ 0x0BDA, 0x0723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */
+{ 0x13D3, 0x3394, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for Azurewave*/
+
+{ 0x0BDA, 0x0724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+{ 0x0BDA, 0x8725, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+{ 0x0BDA, 0x872A, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+{ 0x0BDA, 0x872B, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+
+{ 0x0BDA, 0xb720, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */
+{ 0x0BDA, 0xb72A, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */
+{ 0x0BDA, 0xb728, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for LC */
+{ 0x0BDA, 0xb723, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb72B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb001, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for HP */
+{ 0x0BDA, 0xb002, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb003, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb004, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb005, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+
+{ 0x13D3, 0x3410, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
+{ 0x13D3, 0x3416, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
+{ 0x13D3, 0x3459, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
+{ 0x0489, 0xE085, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */
+{ 0x0489, 0xE08B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */
+
+{ 0x0BDA, 0x2850, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU */
+{ 0x0BDA, 0xA761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU only */
+{ 0x0BDA, 0x818B, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */
+{ 0x0BDA, 0x818C, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */
+{ 0x0BDA, 0x8760, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE */
+{ 0x0BDA, 0xB761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AUV only */
+{ 0x0BDA, 0x8761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE for LI */
+{ 0x0BDA, 0x8A60, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8812ae_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8812AE */
+
+{ 0x0BDA, 0x8821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x0BDA, 0x0821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x0BDA, 0x0823, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AU */
+{ 0x13D3, 0x3414, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x13D3, 0x3458, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x13D3, 0x3461, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x13D3, 0x3462, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+
+{ 0x0BDA, 0xB822, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BU */
+{ 0x0BDA, 0xB82C, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BU */
+{ 0x0BDA, 0xb023, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BE */
+{ 0x0BDA, 0xB703, 0x8703, 0, 0, "mp_rtl8723c_fw", "rtl8723c_fw", "rtl8723c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8723CU */
+/* todo: RTL8703BU */
+
+{ 0x0BDA, 0xD723, 0x8723, 0, 0, "mp_rtl8723d_fw", "rtl8723d_fw", "rtl8723d_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8723DU */
+{ 0x0BDA, 0xB820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */
+{ 0x0BDA, 0xC820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */
+/* todo: RTL8703CU */
 
 /* NOTE: must append patch entries above the null entry */
-{ 0, 0, 0, 0, NULL, NULL, NULL, NULL, 0 }
+{ 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, 0, 0 }
 };
 
 struct btusb_data {
-       struct hci_dev       *hdev;
-       struct usb_device    *udev;
-       struct usb_interface *intf;
-       struct usb_interface *isoc;
+    struct hci_dev       *hdev;
+    struct usb_device    *udev;
+    struct usb_interface *intf;
+    struct usb_interface *isoc;
 
-       spinlock_t lock;
+    spinlock_t lock;
 
-       unsigned long flags;
+    unsigned long flags;
 
-       struct work_struct work;
-       struct work_struct waker;
+    struct work_struct work;
+    struct work_struct waker;
 
-       struct usb_anchor tx_anchor;
-       struct usb_anchor intr_anchor;
-       struct usb_anchor bulk_anchor;
-       struct usb_anchor isoc_anchor;
-       struct usb_anchor deferred;
-       int tx_in_flight;
-       spinlock_t txlock;
+    struct usb_anchor tx_anchor;
+    struct usb_anchor intr_anchor;
+    struct usb_anchor bulk_anchor;
+    struct usb_anchor isoc_anchor;
+    struct usb_anchor deferred;
+    int tx_in_flight;
+    spinlock_t txlock;
 
-       struct usb_endpoint_descriptor *intr_ep;
-       struct usb_endpoint_descriptor *bulk_tx_ep;
-       struct usb_endpoint_descriptor *bulk_rx_ep;
-       struct usb_endpoint_descriptor *isoc_tx_ep;
-       struct usb_endpoint_descriptor *isoc_rx_ep;
+    struct usb_endpoint_descriptor *intr_ep;
+    struct usb_endpoint_descriptor *bulk_tx_ep;
+    struct usb_endpoint_descriptor *bulk_rx_ep;
+    struct usb_endpoint_descriptor *isoc_tx_ep;
+    struct usb_endpoint_descriptor *isoc_rx_ep;
 
-       __u8 cmdreq_type;
+    __u8 cmdreq_type;
 
-       unsigned int sco_num;
-       int isoc_altsetting;
-       int suspend_count;
+    unsigned int sco_num;
+    int isoc_altsetting;
+    int suspend_count;
 //#ifdef CONFIG_HAS_EARLYSUSPEND
 #if 0
-       struct early_suspend early_suspend;
+    struct early_suspend early_suspend;
 #else
-       struct notifier_block pm_notifier;
+    struct notifier_block pm_notifier;
+    struct notifier_block reboot_notifier;
 #endif
-       firmware_info *fw_info;
+    firmware_info *fw_info;
 };
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1)
 static bool reset_on_close = 0;
 #endif
 
+int download_patch(firmware_info *fw_info, int cached);
+
+static inline int check_set_dlfw_state_value(uint16_t change_value)
+{
+    spin_lock(&dlfw_lock);
+    if(!dlfw_dis_state) {
+        dlfw_dis_state = change_value;
+    }
+    spin_unlock(&dlfw_lock);
+    return dlfw_dis_state;
+}
+
+static inline void set_dlfw_state_value(uint16_t change_value)
+{
+    spin_lock(&dlfw_lock);
+    dlfw_dis_state = change_value;
+    spin_unlock(&dlfw_lock);
+}
+
+#if SUSPNED_DW_FW
+static int download_suspend_patch(firmware_info *fw_info, int cached);
+#endif
+#if SET_WAKEUP_DEVICE
+static void set_wakeup_device_from_conf(firmware_info *fw_info);
+int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr);
+#endif
+
 static void rtk_free( struct btusb_data *data)
 {
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1)
-       kfree(data);
+    kfree(data);
 #endif
-       return;
+    return;
 }
 
 static struct btusb_data *rtk_alloc(struct usb_interface *intf)
 {
-       struct btusb_data *data;
+    struct btusb_data *data;
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1)
-       data = kzalloc(sizeof(*data), GFP_KERNEL);
+    data = kzalloc(sizeof(*data), GFP_KERNEL);
 #else
-       data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
+    data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
 #endif
-       return data;
+    return data;
 }
 
 static void print_acl(struct sk_buff *skb, int direction)
 {
 #if PRINT_ACL_DATA
-       uint wlength = skb->len;
-       u16 *handle = (u16 *)(skb->data);
-       u16 len = *(handle+1);
-       u8 *acl_data = (u8 *)(skb->data);
+    uint wlength = skb->len;
+    u16 *handle = (u16 *)(skb->data);
+    u16 len = *(handle+1);
+    u8 *acl_data = (u8 *)(skb->data);
 
-       RTK_INFO("%s: direction %d, handle %04x, len %d",
-                       __func__, direction, *handle, len);
+    RTK_INFO("%s: direction %d, handle %04x, len %d",
+            __func__, direction, *handle, len);
 #endif
 }
 
 static void print_sco(struct sk_buff *skb, int direction)
 {
 #if PRINT_SCO_DATA
-       uint wlength = skb->len;
-       u16 *handle = (u16 *)(skb->data);
-       u8 len = *(u8 *)(handle+1);
-       u8 *sco_data =(u8 *)(skb->data);
+    uint wlength = skb->len;
+    u16 *handle = (u16 *)(skb->data);
+    u8 len = *(u8 *)(handle+1);
+    u8 *sco_data =(u8 *)(skb->data);
 
-       RTKBT_INFO("%s: direction %d, handle %04x, len %d",
-                       __func__, direction, *handle, len);
+    RTKBT_INFO("%s: direction %d, handle %04x, len %d",
+            __func__, direction, *handle, len);
 #endif
 }
 
 static void print_error_command(struct sk_buff *skb)
 {
-       uint wlength = skb->len;
-       uint icount = 0;
-       u16 *opcode = (u16*)(skb->data);
-       u8 *cmd_data = (u8*)(skb->data);
-       u8 len = *(cmd_data+2);
-
-       switch (*opcode) {
-       case HCI_OP_INQUIRY:
-               printk("HCI_OP_INQUIRY");
-               break;
-       case HCI_OP_INQUIRY_CANCEL:
-               printk("HCI_OP_INQUIRY_CANCEL");
-               break;
-       case HCI_OP_EXIT_PERIODIC_INQ:
-               printk("HCI_OP_EXIT_PERIODIC_INQ");
-               break;
-       case HCI_OP_CREATE_CONN:
-               printk("HCI_OP_CREATE_CONN");
-               break;
-       case HCI_OP_DISCONNECT:
-               printk("HCI_OP_DISCONNECT");
-               break;
-       case HCI_OP_CREATE_CONN_CANCEL:
-               printk("HCI_OP_CREATE_CONN_CANCEL");
-               break;
-       case HCI_OP_ACCEPT_CONN_REQ:
-               printk("HCI_OP_ACCEPT_CONN_REQ");
-               break;
-       case HCI_OP_REJECT_CONN_REQ:
-               printk("HCI_OP_REJECT_CONN_REQ");
-               break;
-       case HCI_OP_AUTH_REQUESTED:
-               printk("HCI_OP_AUTH_REQUESTED");
-               break;
-       case HCI_OP_SET_CONN_ENCRYPT:
-               printk("HCI_OP_SET_CONN_ENCRYPT");
-               break;
-       case HCI_OP_REMOTE_NAME_REQ:
-               printk("HCI_OP_REMOTE_NAME_REQ");
-               break;
-       case HCI_OP_READ_REMOTE_FEATURES:
-               printk("HCI_OP_READ_REMOTE_FEATURES");
-               break;
-       case HCI_OP_SNIFF_MODE:
-               printk("HCI_OP_SNIFF_MODE");
-               break;
-       case HCI_OP_EXIT_SNIFF_MODE:
-               printk("HCI_OP_EXIT_SNIFF_MODE");
-               break;
-       case HCI_OP_SWITCH_ROLE:
-               printk("HCI_OP_SWITCH_ROLE");
-               break;
-       case HCI_OP_SNIFF_SUBRATE:
-               printk("HCI_OP_SNIFF_SUBRATE");
-               break;
-       case HCI_OP_RESET:
-               printk("HCI_OP_RESET");
-               break;
-       default:
-               printk("CMD");
-               break;
-       }
-       printk(":%04x,len:%d,", *opcode,len);
-       for (icount = 3; (icount < wlength) && (icount < 24); icount++)
-               printk("%02x ", *(cmd_data+icount));
-       printk("\n");
+    uint wlength = skb->len;
+    uint icount = 0;
+    u16 *opcode = (u16*)(skb->data);
+    u8 *cmd_data = (u8*)(skb->data);
+    u8 len = *(cmd_data+2);
+
+    switch (*opcode) {
+    case HCI_OP_INQUIRY:
+        printk("HCI_OP_INQUIRY");
+        break;
+    case HCI_OP_INQUIRY_CANCEL:
+        printk("HCI_OP_INQUIRY_CANCEL");
+        break;
+    case HCI_OP_EXIT_PERIODIC_INQ:
+        printk("HCI_OP_EXIT_PERIODIC_INQ");
+        break;
+    case HCI_OP_CREATE_CONN:
+        printk("HCI_OP_CREATE_CONN");
+        break;
+    case HCI_OP_DISCONNECT:
+        printk("HCI_OP_DISCONNECT");
+        break;
+    case HCI_OP_CREATE_CONN_CANCEL:
+        printk("HCI_OP_CREATE_CONN_CANCEL");
+        break;
+    case HCI_OP_ACCEPT_CONN_REQ:
+        printk("HCI_OP_ACCEPT_CONN_REQ");
+        break;
+    case HCI_OP_REJECT_CONN_REQ:
+        printk("HCI_OP_REJECT_CONN_REQ");
+        break;
+    case HCI_OP_AUTH_REQUESTED:
+        printk("HCI_OP_AUTH_REQUESTED");
+        break;
+    case HCI_OP_SET_CONN_ENCRYPT:
+        printk("HCI_OP_SET_CONN_ENCRYPT");
+        break;
+    case HCI_OP_REMOTE_NAME_REQ:
+        printk("HCI_OP_REMOTE_NAME_REQ");
+        break;
+    case HCI_OP_READ_REMOTE_FEATURES:
+        printk("HCI_OP_READ_REMOTE_FEATURES");
+        break;
+    case HCI_OP_SNIFF_MODE:
+        printk("HCI_OP_SNIFF_MODE");
+        break;
+    case HCI_OP_EXIT_SNIFF_MODE:
+        printk("HCI_OP_EXIT_SNIFF_MODE");
+        break;
+    case HCI_OP_SWITCH_ROLE:
+        printk("HCI_OP_SWITCH_ROLE");
+        break;
+    case HCI_OP_SNIFF_SUBRATE:
+        printk("HCI_OP_SNIFF_SUBRATE");
+        break;
+    case HCI_OP_RESET:
+        printk("HCI_OP_RESET");
+        break;
+    case HCI_OP_Write_Extended_Inquiry_Response:
+        printk("HCI_Write_Extended_Inquiry_Response");
+        break;
+
+    default:
+        printk("CMD");
+        break;
+    }
+    printk(":%04x,len:%d,", *opcode,len);
+    for (icount = 3; (icount < wlength) && (icount < 24); icount++)
+        printk("%02x ", *(cmd_data+icount));
+    printk("\n");
 }
 
 static void print_command(struct sk_buff *skb)
 {
 #if PRINT_CMD_EVENT
-       print_error_command(skb);
+    print_error_command(skb);
 #endif
 }
 
@@ -326,6 +320,7 @@ static void print_command(struct sk_buff *skb)
 struct mutex btchr_mutex;
 static struct sk_buff_head btchr_readq;
 static wait_queue_head_t btchr_read_wait;
+static wait_queue_head_t bt_dlfw_wait;
 static int bt_char_dev_registered;
 static dev_t bt_devid; /* bt char device number */
 static struct cdev bt_char_dev; /* bt character device structure */
@@ -338,191 +333,186 @@ struct hci_dev *ghdev = NULL;
 static void print_event(struct sk_buff *skb)
 {
 #if PRINT_CMD_EVENT
-       uint wlength = skb->len;
-       uint icount = 0;
-       u8 *opcode = (u8*)(skb->data);
-       u8 len = *(opcode+1);
-
-       switch (*opcode) {
-       case HCI_EV_INQUIRY_COMPLETE:
-               printk("HCI_EV_INQUIRY_COMPLETE");
-               break;
-       case HCI_EV_INQUIRY_RESULT:
-               printk("HCI_EV_INQUIRY_RESULT");
-               break;
-       case HCI_EV_CONN_COMPLETE:
-               printk("HCI_EV_CONN_COMPLETE");
-               break;
-       case HCI_EV_CONN_REQUEST:
-               printk("HCI_EV_CONN_REQUEST");
-               break;
-       case HCI_EV_DISCONN_COMPLETE:
-               printk("HCI_EV_DISCONN_COMPLETE");
-               break;
-       case HCI_EV_AUTH_COMPLETE:
-               printk("HCI_EV_AUTH_COMPLETE");
-               break;
-       case HCI_EV_REMOTE_NAME:
-               printk("HCI_EV_REMOTE_NAME");
-               break;
-       case HCI_EV_ENCRYPT_CHANGE:
-               printk("HCI_EV_ENCRYPT_CHANGE");
-               break;
-       case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
-               printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE");
-               break;
-       case HCI_EV_REMOTE_FEATURES:
-               printk("HCI_EV_REMOTE_FEATURES");
-               break;
-       case HCI_EV_REMOTE_VERSION:
-               printk("HCI_EV_REMOTE_VERSION");
-               break;
-       case HCI_EV_QOS_SETUP_COMPLETE:
-               printk("HCI_EV_QOS_SETUP_COMPLETE");
-               break;
-       case HCI_EV_CMD_COMPLETE:
-               printk("HCI_EV_CMD_COMPLETE");
-               break;
-       case HCI_EV_CMD_STATUS:
-               printk("HCI_EV_CMD_STATUS");
-               break;
-       case HCI_EV_ROLE_CHANGE:
-               printk("HCI_EV_ROLE_CHANGE");
-               break;
-       case HCI_EV_NUM_COMP_PKTS:
-               printk("HCI_EV_NUM_COMP_PKTS");
-               break;
-       case HCI_EV_MODE_CHANGE:
-               printk("HCI_EV_MODE_CHANGE");
-               break;
-       case HCI_EV_PIN_CODE_REQ:
-               printk("HCI_EV_PIN_CODE_REQ");
-               break;
-       case HCI_EV_LINK_KEY_REQ:
-               printk("HCI_EV_LINK_KEY_REQ");
-               break;
-       case HCI_EV_LINK_KEY_NOTIFY:
-               printk("HCI_EV_LINK_KEY_NOTIFY");
-               break;
-       case HCI_EV_CLOCK_OFFSET:
-               printk("HCI_EV_CLOCK_OFFSET");
-               break;
-       case HCI_EV_PKT_TYPE_CHANGE:
-               printk("HCI_EV_PKT_TYPE_CHANGE");
-               break;
-       case HCI_EV_PSCAN_REP_MODE:
-               printk("HCI_EV_PSCAN_REP_MODE");
-               break;
-       case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
-               printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI");
-               break;
-       case HCI_EV_REMOTE_EXT_FEATURES:
-               printk("HCI_EV_REMOTE_EXT_FEATURES");
-               break;
-       case HCI_EV_SYNC_CONN_COMPLETE:
-               printk("HCI_EV_SYNC_CONN_COMPLETE");
-               break;
-       case HCI_EV_SYNC_CONN_CHANGED:
-               printk("HCI_EV_SYNC_CONN_CHANGED");
-               break;
-       case HCI_EV_SNIFF_SUBRATE:
-               printk("HCI_EV_SNIFF_SUBRATE");
-               break;
-       case HCI_EV_EXTENDED_INQUIRY_RESULT:
-               printk("HCI_EV_EXTENDED_INQUIRY_RESULT");
-               break;
-       case HCI_EV_IO_CAPA_REQUEST:
-               printk("HCI_EV_IO_CAPA_REQUEST");
-               break;
-       case HCI_EV_SIMPLE_PAIR_COMPLETE:
-               printk("HCI_EV_SIMPLE_PAIR_COMPLETE");
-               break;
-       case HCI_EV_REMOTE_HOST_FEATURES:
-               printk("HCI_EV_REMOTE_HOST_FEATURES");
-               break;
-       default:
-               printk("event");
-               break;
-       }
-       printk(":%02x,len:%d,", *opcode,len);
-       for (icount = 2; (icount < wlength) && (icount < 24); icount++)
-               printk("%02x ", *(opcode+icount));
-       printk("\n");
+    uint wlength = skb->len;
+    uint icount = 0;
+    u8 *opcode = (u8*)(skb->data);
+    u8 len = *(opcode+1);
+
+    switch (*opcode) {
+    case HCI_EV_INQUIRY_COMPLETE:
+        printk("HCI_EV_INQUIRY_COMPLETE");
+        break;
+    case HCI_EV_INQUIRY_RESULT:
+        printk("HCI_EV_INQUIRY_RESULT");
+        break;
+    case HCI_EV_CONN_COMPLETE:
+        printk("HCI_EV_CONN_COMPLETE");
+        break;
+    case HCI_EV_CONN_REQUEST:
+        printk("HCI_EV_CONN_REQUEST");
+        break;
+    case HCI_EV_DISCONN_COMPLETE:
+        printk("HCI_EV_DISCONN_COMPLETE");
+        break;
+    case HCI_EV_AUTH_COMPLETE:
+        printk("HCI_EV_AUTH_COMPLETE");
+        break;
+    case HCI_EV_REMOTE_NAME:
+        printk("HCI_EV_REMOTE_NAME");
+        break;
+    case HCI_EV_ENCRYPT_CHANGE:
+        printk("HCI_EV_ENCRYPT_CHANGE");
+        break;
+    case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
+        printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE");
+        break;
+    case HCI_EV_REMOTE_FEATURES:
+        printk("HCI_EV_REMOTE_FEATURES");
+        break;
+    case HCI_EV_REMOTE_VERSION:
+        printk("HCI_EV_REMOTE_VERSION");
+        break;
+    case HCI_EV_QOS_SETUP_COMPLETE:
+        printk("HCI_EV_QOS_SETUP_COMPLETE");
+        break;
+    case HCI_EV_CMD_COMPLETE:
+        printk("HCI_EV_CMD_COMPLETE");
+        break;
+    case HCI_EV_CMD_STATUS:
+        printk("HCI_EV_CMD_STATUS");
+        break;
+    case HCI_EV_ROLE_CHANGE:
+        printk("HCI_EV_ROLE_CHANGE");
+        break;
+    case HCI_EV_NUM_COMP_PKTS:
+        printk("HCI_EV_NUM_COMP_PKTS");
+        break;
+    case HCI_EV_MODE_CHANGE:
+        printk("HCI_EV_MODE_CHANGE");
+        break;
+    case HCI_EV_PIN_CODE_REQ:
+        printk("HCI_EV_PIN_CODE_REQ");
+        break;
+    case HCI_EV_LINK_KEY_REQ:
+        printk("HCI_EV_LINK_KEY_REQ");
+        break;
+    case HCI_EV_LINK_KEY_NOTIFY:
+        printk("HCI_EV_LINK_KEY_NOTIFY");
+        break;
+    case HCI_EV_CLOCK_OFFSET:
+        printk("HCI_EV_CLOCK_OFFSET");
+        break;
+    case HCI_EV_PKT_TYPE_CHANGE:
+        printk("HCI_EV_PKT_TYPE_CHANGE");
+        break;
+    case HCI_EV_PSCAN_REP_MODE:
+        printk("HCI_EV_PSCAN_REP_MODE");
+        break;
+    case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
+        printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI");
+        break;
+    case HCI_EV_REMOTE_EXT_FEATURES:
+        printk("HCI_EV_REMOTE_EXT_FEATURES");
+        break;
+    case HCI_EV_SYNC_CONN_COMPLETE:
+        printk("HCI_EV_SYNC_CONN_COMPLETE");
+        break;
+    case HCI_EV_SYNC_CONN_CHANGED:
+        printk("HCI_EV_SYNC_CONN_CHANGED");
+        break;
+    case HCI_EV_SNIFF_SUBRATE:
+        printk("HCI_EV_SNIFF_SUBRATE");
+        break;
+    case HCI_EV_EXTENDED_INQUIRY_RESULT:
+        printk("HCI_EV_EXTENDED_INQUIRY_RESULT");
+        break;
+    case HCI_EV_IO_CAPA_REQUEST:
+        printk("HCI_EV_IO_CAPA_REQUEST");
+        break;
+    case HCI_EV_SIMPLE_PAIR_COMPLETE:
+        printk("HCI_EV_SIMPLE_PAIR_COMPLETE");
+        break;
+    case HCI_EV_REMOTE_HOST_FEATURES:
+        printk("HCI_EV_REMOTE_HOST_FEATURES");
+        break;
+    default:
+        printk("event");
+        break;
+    }
+    printk(":%02x,len:%d,", *opcode,len);
+    for (icount = 2; (icount < wlength) && (icount < 24); icount++)
+        printk("%02x ", *(opcode+icount));
+    printk("\n");
 #endif
 }
 
 static inline ssize_t usb_put_user(struct sk_buff *skb,
-               char __user *buf, int count)
+        char __user *buf, int count)
 {
-       char __user *ptr = buf;
-       int len = min_t(unsigned int, skb->len, count);
+    char __user *ptr = buf;
+    int len = min_t(unsigned int, skb->len, count);
 
-       if (copy_to_user(ptr, skb->data, len))
-               return -EFAULT;
+    if (copy_to_user(ptr, skb->data, len))
+        return -EFAULT;
 
-       return len;
+    return len;
 }
 
 static struct sk_buff *rtk_skb_queue[QUEUE_SIZE];
-static int rtk_skb_queue_front = -1;
-static int rtk_skb_queue_rear = -1;
+static int rtk_skb_queue_front = 0;
+static int rtk_skb_queue_rear = 0;
 
 static void rtk_enqueue(struct sk_buff *skb)
 {
-       if (rtk_skb_queue_front == (rtk_skb_queue_rear + 1) % QUEUE_SIZE) {
-               /*
-                * If queue is full, current solution is to drop
-                * the following entries.
-                */
-               RTKBT_WARN("%s: Queue is full, entry will be dropped", __func__);
-       } else {
-               if (rtk_skb_queue_front == -1) {
-                       rtk_skb_queue_front = 0;
-                       rtk_skb_queue_rear = 0;
-               } else {
-                       rtk_skb_queue_rear++;
-                       rtk_skb_queue_rear %= QUEUE_SIZE;
-               }
-
-               rtk_skb_queue[rtk_skb_queue_rear] = skb;
-       }
+    spin_lock(&queue_lock);
+    if (rtk_skb_queue_front == (rtk_skb_queue_rear + 1) % QUEUE_SIZE) {
+        /*
+         * If queue is full, current solution is to drop
+         * the following entries.
+         */
+        RTKBT_WARN("%s: Queue is full, entry will be dropped", __func__);
+    } else {
+        rtk_skb_queue[rtk_skb_queue_rear] = skb;
+
+        rtk_skb_queue_rear++;
+        rtk_skb_queue_rear %= QUEUE_SIZE;
+
+    }
+    spin_unlock(&queue_lock);
 }
 
 static struct sk_buff *rtk_dequeue_try(unsigned int deq_len)
 {
-       struct sk_buff *skb;
-       struct sk_buff *skb_copy;
-
-       if (rtk_skb_queue_front == -1) {
-               RTKBT_WARN("%s: Queue is empty", __func__);
-               return NULL;
-       }
-
-       skb = rtk_skb_queue[rtk_skb_queue_front];
-       if (deq_len >= skb->len) {
-               if (rtk_skb_queue_front == rtk_skb_queue_rear) {
-                       rtk_skb_queue_front = -1;
-                       rtk_skb_queue_rear = -1;
-               } else {
-                       rtk_skb_queue_front++;
-                       rtk_skb_queue_front %= QUEUE_SIZE;
-               }
-               /*
-                * Return skb addr to be dequeued, and the caller
-                * should free the skb eventually.
-                */
-               return skb;
-       } else {
-               skb_copy = pskb_copy(skb, GFP_ATOMIC);
-               skb_pull(skb, deq_len);
-               /* Return its copy to be freed */
-               return skb_copy;
-       }
+    struct sk_buff *skb;
+    struct sk_buff *skb_copy;
+
+    if (rtk_skb_queue_front == rtk_skb_queue_rear) {
+        RTKBT_WARN("%s: Queue is empty", __func__);
+        return NULL;
+    }
+
+    skb = rtk_skb_queue[rtk_skb_queue_front];
+    if (deq_len >= skb->len) {
+
+        rtk_skb_queue_front++;
+        rtk_skb_queue_front %= QUEUE_SIZE;
+
+        /*
+         * Return skb addr to be dequeued, and the caller
+         * should free the skb eventually.
+         */
+        return skb;
+    } else {
+        skb_copy = pskb_copy(skb, GFP_ATOMIC);
+        skb_pull(skb, deq_len);
+        /* Return its copy to be freed */
+        return skb_copy;
+    }
 }
 
 static inline int is_queue_empty(void)
 {
-       return (rtk_skb_queue_front == -1) ? 1 : 0;
+    return (rtk_skb_queue_front == rtk_skb_queue_rear) ? 1 : 0;
 }
 
 /*
@@ -533,754 +523,861 @@ static inline int is_queue_empty(void)
  * Device is held on return. */
 static struct hci_dev *hci_dev_get(int index)
 {
-       if (index != 0)
-               return NULL;
+    if (index != 0)
+        return NULL;
 
-       return ghdev;
+    return ghdev;
 }
 
 /* ---- HCI ioctl helpers ---- */
 static int hci_dev_open(__u16 dev)
 {
-       struct hci_dev *hdev;
-       int ret = 0;
-
-       RTKBT_DBG("%s: dev %d", __func__, dev);
+    struct hci_dev *hdev;
+    int ret = 0;
 
-       hdev = hci_dev_get(dev);
-       if (!hdev) {
-               RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
-               return -ENODEV;
-       }
+    RTKBT_DBG("%s: dev %d", __func__, dev);
 
-       if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
-               ret = -ENODEV;
-               goto done;
-       }
+    hdev = hci_dev_get(dev);
+    if (!hdev) {
+        RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+        return -ENODEV;
+    }
 
-       if (test_bit(HCI_UP, &hdev->flags)) {
-               ret = -EALREADY;
-               goto done;
-       }
+    if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
+        ret = -ENODEV;
+        goto done;
+    }
 
-       if (hdev->open(hdev)) {
-               ret = -EIO;
-               goto done;
-       }
+    if (test_bit(HCI_UP, &hdev->flags)) {
+        ret = -EALREADY;
+        goto done;
+    }
 
-       set_bit(HCI_UP, &hdev->flags);
 done:
-       return ret;
+    return ret;
 }
 
 static int hci_dev_do_close(struct hci_dev *hdev)
 {
-       if (hdev->flush)
-               hdev->flush(hdev);
-       /* After this point our queues are empty
-        * and no tasks are scheduled. */
-       hdev->close(hdev);
-       /* Clear flags */
-       hdev->flags = 0;
-       return 0;
+    if (hdev->flush)
+        hdev->flush(hdev);
+    /* After this point our queues are empty
+     * and no tasks are scheduled. */
+    hdev->close(hdev);
+    /* Clear flags */
+    hdev->flags = 0;
+    return 0;
 }
 
 static int hci_dev_close(__u16 dev)
 {
-       struct hci_dev *hdev;
-       int err;
-       hdev = hci_dev_get(dev);
-       if (!hdev) {
-               RTKBT_ERR("%s: failed to get hci dev[Null]", __func__);
-               return -ENODEV;
-       }
+    struct hci_dev *hdev;
+    int err;
+    hdev = hci_dev_get(dev);
+    if (!hdev) {
+        RTKBT_ERR("%s: failed to get hci dev[Null]", __func__);
+        return -ENODEV;
+    }
 
-       err = hci_dev_do_close(hdev);
+    err = hci_dev_do_close(hdev);
 
-       return err;
+    return err;
 }
 
 static struct hci_dev *hci_alloc_dev(void)
 {
-       struct hci_dev *hdev;
+    struct hci_dev *hdev;
 
-       hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL);
-       if (!hdev)
-               return NULL;
+    hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL);
+    if (!hdev)
+        return NULL;
 
-       return hdev;
+    return hdev;
 }
 
 /* Free HCI device */
 static void hci_free_dev(struct hci_dev *hdev)
 {
-       kfree(hdev);
+    kfree(hdev);
 }
 
 /* Register HCI device */
 static int hci_register_dev(struct hci_dev *hdev)
 {
-       int i, id;
+    int i, id;
 
-       RTKBT_DBG("%s: %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
-       /* Do not allow HCI_AMP devices to register at index 0,
-        * so the index can be used as the AMP controller ID.
-        */
-       id = (hdev->dev_type == HCI_BREDR) ? 0 : 1;
+    RTKBT_DBG("%s: %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
+    /* Do not allow HCI_AMP devices to register at index 0,
+     * so the index can be used as the AMP controller ID.
+     */
+    id = (hdev->dev_type == HCI_BREDR) ? 0 : 1;
 
-       write_lock(&hci_dev_lock);
+    write_lock(&hci_dev_lock);
 
-       sprintf(hdev->name, "hci%d", id);
-       hdev->id = id;
-       hdev->flags = 0;
-       hdev->dev_flags = 0;
-       mutex_init(&hdev->lock);
+    sprintf(hdev->name, "hci%d", id);
+    hdev->id = id;
+    hdev->flags = 0;
+    hdev->dev_flags = 0;
+    mutex_init(&hdev->lock);
 
-       RTKBT_DBG("%s: id %d, name %s", __func__, hdev->id, hdev->name);
+    RTKBT_DBG("%s: id %d, name %s", __func__, hdev->id, hdev->name);
 
 
-       for (i = 0; i < NUM_REASSEMBLY; i++)
-               hdev->reassembly[i] = NULL;
+    for (i = 0; i < NUM_REASSEMBLY; i++)
+        hdev->reassembly[i] = NULL;
 
-       memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
-       atomic_set(&hdev->promisc, 0);
+    memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
+    atomic_set(&hdev->promisc, 0);
 
-       if (ghdev) {
-               RTKBT_ERR("%s: Hci device has been registered already", __func__);
-               return -1;
-       } else
-               ghdev = hdev;
+    if (ghdev) {
+        write_unlock(&hci_dev_lock);
+        RTKBT_ERR("%s: Hci device has been registered already", __func__);
+        return -1;
+    } else
+        ghdev = hdev;
 
-       write_unlock(&hci_dev_lock);
+    write_unlock(&hci_dev_lock);
 
-       return id;
+    return id;
 }
 
 /* Unregister HCI device */
 static void hci_unregister_dev(struct hci_dev *hdev)
 {
-       int i;
+    int i;
 
-       RTKBT_DBG("%s: hdev %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
-       set_bit(HCI_UNREGISTER, &hdev->dev_flags);
+    RTKBT_DBG("%s: hdev %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
+    set_bit(HCI_UNREGISTER, &hdev->dev_flags);
 
-       write_lock(&hci_dev_lock);
-       ghdev = NULL;
-       write_unlock(&hci_dev_lock);
+    write_lock(&hci_dev_lock);
+    ghdev = NULL;
+    write_unlock(&hci_dev_lock);
 
-       hci_dev_do_close(hdev);
-       for (i = 0; i < NUM_REASSEMBLY; i++)
-               kfree_skb(hdev->reassembly[i]);
+    hci_dev_do_close(hdev);
+    for (i = 0; i < NUM_REASSEMBLY; i++)
+        kfree_skb(hdev->reassembly[i]);
 }
 
 static void hci_send_to_stack(struct hci_dev *hdev, struct sk_buff *skb)
 {
-       struct sk_buff *rtk_skb_copy = NULL;
+    struct sk_buff *rtk_skb_copy = NULL;
 
-       RTKBT_DBG("%s", __func__);
+    RTKBT_DBG("%s", __func__);
 
-       if (!hdev) {
-               RTKBT_ERR("%s: Frame for unknown HCI device", __func__);
-               return;
-       }
+    if (!hdev) {
+        RTKBT_ERR("%s: Frame for unknown HCI device", __func__);
+        return;
+    }
 
-       if (!test_bit(HCI_RUNNING, &hdev->flags)) {
-               RTKBT_ERR("%s: HCI not running", __func__);
-               return;
-       }
+    if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+        RTKBT_ERR("%s: HCI not running", __func__);
+        return;
+    }
 
-       rtk_skb_copy = pskb_copy(skb, GFP_ATOMIC);
-       if (!rtk_skb_copy) {
-               RTKBT_ERR("%s: Copy skb error", __func__);
-               return;
-       }
+    rtk_skb_copy = pskb_copy(skb, GFP_ATOMIC);
+    if (!rtk_skb_copy) {
+        RTKBT_ERR("%s: Copy skb error", __func__);
+        return;
+    }
 
-       memcpy(skb_push(rtk_skb_copy, 1), &bt_cb(skb)->pkt_type, 1);
-       rtk_enqueue(rtk_skb_copy);
+    memcpy(skb_push(rtk_skb_copy, 1), &bt_cb(skb)->pkt_type, 1);
+    rtk_enqueue(rtk_skb_copy);
 
-       /* Make sure bt char device existing before wakeup read queue */
-       hdev = hci_dev_get(0);
-       if (hdev) {
-               RTKBT_DBG("%s: Try to wakeup read queue", __func__);
-               wake_up_interruptible(&btchr_read_wait);
-       }
+    /* Make sure bt char device existing before wakeup read queue */
+    hdev = hci_dev_get(0);
+    if (hdev) {
+        RTKBT_DBG("%s: Try to wakeup read queue", __func__);
+        wake_up_interruptible(&btchr_read_wait);
+    }
 
-       return;
+    return;
 }
 
 /* Receive frame from HCI drivers */
 static int hci_recv_frame(struct sk_buff *skb)
 {
-       struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+    struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 
-       if (!hdev ||
-               (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) {
-               kfree_skb(skb);
-               return -ENXIO;
-       }
+    if (!hdev ||
+        (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) {
+        kfree_skb(skb);
+        return -ENXIO;
+    }
 
-       /* Incomming skb */
-       bt_cb(skb)->incoming = 1;
+    /* Incomming skb */
+    bt_cb(skb)->incoming = 1;
 
-       /* Time stamp */
-       __net_timestamp(skb);
+    /* Time stamp */
+    __net_timestamp(skb);
 
-       if (atomic_read(&hdev->promisc)) {
-               /* Send copy to the sockets */
-               hci_send_to_stack(hdev, skb);
-       }
-       kfree_skb(skb);
-       return 0;
+    if (atomic_read(&hdev->promisc)) {
+        /* Send copy to the sockets */
+        hci_send_to_stack(hdev, skb);
+    }
+    kfree_skb(skb);
+    return 0;
 }
 
 static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
-                                                 int count, __u8 index)
-{
-       int len = 0;
-       int hlen = 0;
-       int remain = count;
-       struct sk_buff *skb;
-       struct bt_skb_cb *scb;
-
-       RTKBT_DBG("%s", __func__);
-
-       if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) ||
-                       index >= NUM_REASSEMBLY)
-               return -EILSEQ;
-
-       skb = hdev->reassembly[index];
-
-       if (!skb) {
-               switch (type) {
-               case HCI_ACLDATA_PKT:
-                       len = HCI_MAX_FRAME_SIZE;
-                       hlen = HCI_ACL_HDR_SIZE;
-                       break;
-               case HCI_EVENT_PKT:
-                       len = HCI_MAX_EVENT_SIZE;
-                       hlen = HCI_EVENT_HDR_SIZE;
-                       break;
-               case HCI_SCODATA_PKT:
-                       len = HCI_MAX_SCO_SIZE;
-                       hlen = HCI_SCO_HDR_SIZE;
-                       break;
-               }
-
-               skb = bt_skb_alloc(len, GFP_ATOMIC);
-               if (!skb)
-                       return -ENOMEM;
-
-               scb = (void *) skb->cb;
-               scb->expect = hlen;
-               scb->pkt_type = type;
-
-               skb->dev = (void *) hdev;
-               hdev->reassembly[index] = skb;
-       }
-
-       while (count) {
-               scb = (void *) skb->cb;
-               len = min_t(uint, scb->expect, count);
-
-               memcpy(skb_put(skb, len), data, len);
-
-               count -= len;
-               data += len;
-               scb->expect -= len;
-               remain = count;
-
-               switch (type) {
-               case HCI_EVENT_PKT:
-                       if (skb->len == HCI_EVENT_HDR_SIZE) {
-                               struct hci_event_hdr *h = hci_event_hdr(skb);
-                               scb->expect = h->plen;
-
-                               if (skb_tailroom(skb) < scb->expect) {
-                                       kfree_skb(skb);
-                                       hdev->reassembly[index] = NULL;
-                                       return -ENOMEM;
-                               }
-                       }
-                       break;
-
-               case HCI_ACLDATA_PKT:
-                       if (skb->len  == HCI_ACL_HDR_SIZE) {
-                               struct hci_acl_hdr *h = hci_acl_hdr(skb);
-                               scb->expect = __le16_to_cpu(h->dlen);
-
-                               if (skb_tailroom(skb) < scb->expect) {
-                                       kfree_skb(skb);
-                                       hdev->reassembly[index] = NULL;
-                                       return -ENOMEM;
-                               }
-                       }
-                       break;
-
-               case HCI_SCODATA_PKT:
-                       if (skb->len == HCI_SCO_HDR_SIZE) {
-                               struct hci_sco_hdr *h = hci_sco_hdr(skb);
-                               scb->expect = h->dlen;
-
-                               if (skb_tailroom(skb) < scb->expect) {
-                                       kfree_skb(skb);
-                                       hdev->reassembly[index] = NULL;
-                                       return -ENOMEM;
-                               }
-                       }
-                       break;
-               }
-
-               if (scb->expect == 0) {
-                       /* Complete frame */
-                       if(HCI_ACLDATA_PKT == type)
-                               print_acl(skb,0);
-                       if(HCI_SCODATA_PKT == type)
-                               print_sco(skb,0);
-                       if(HCI_EVENT_PKT == type)
-                               print_event(skb);
-
-                       bt_cb(skb)->pkt_type = type;
-                       hci_recv_frame(skb);
-
-                       hdev->reassembly[index] = NULL;
-                       return remain;
-               }
-       }
-
-       return remain;
+                          int count, __u8 index)
+{
+    int len = 0;
+    int hlen = 0;
+    int remain = count;
+    struct sk_buff *skb;
+    struct bt_skb_cb *scb;
+
+    RTKBT_DBG("%s", __func__);
+
+    if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) ||
+            index >= NUM_REASSEMBLY)
+        return -EILSEQ;
+
+    skb = hdev->reassembly[index];
+
+    if (!skb) {
+        switch (type) {
+        case HCI_ACLDATA_PKT:
+            len = HCI_MAX_FRAME_SIZE;
+            hlen = HCI_ACL_HDR_SIZE;
+            break;
+        case HCI_EVENT_PKT:
+            len = HCI_MAX_EVENT_SIZE;
+            hlen = HCI_EVENT_HDR_SIZE;
+            break;
+        case HCI_SCODATA_PKT:
+            len = HCI_MAX_SCO_SIZE;
+            hlen = HCI_SCO_HDR_SIZE;
+            break;
+        }
+
+        skb = bt_skb_alloc(len, GFP_ATOMIC);
+        if (!skb)
+            return -ENOMEM;
+
+        scb = (void *) skb->cb;
+        scb->expect = hlen;
+        scb->pkt_type = type;
+
+        skb->dev = (void *) hdev;
+        hdev->reassembly[index] = skb;
+    }
+
+    while (count) {
+        scb = (void *) skb->cb;
+        len = min_t(uint, scb->expect, count);
+
+        memcpy(skb_put(skb, len), data, len);
+
+        count -= len;
+        data += len;
+        scb->expect -= len;
+        remain = count;
+
+        switch (type) {
+        case HCI_EVENT_PKT:
+            if (skb->len == HCI_EVENT_HDR_SIZE) {
+                struct hci_event_hdr *h = hci_event_hdr(skb);
+                scb->expect = h->plen;
+
+                if (skb_tailroom(skb) < scb->expect) {
+                    kfree_skb(skb);
+                    hdev->reassembly[index] = NULL;
+                    return -ENOMEM;
+                }
+            }
+            break;
+
+        case HCI_ACLDATA_PKT:
+            if (skb->len  == HCI_ACL_HDR_SIZE) {
+                struct hci_acl_hdr *h = hci_acl_hdr(skb);
+                scb->expect = __le16_to_cpu(h->dlen);
+
+                if (skb_tailroom(skb) < scb->expect) {
+                    kfree_skb(skb);
+                    hdev->reassembly[index] = NULL;
+                    return -ENOMEM;
+                }
+            }
+            break;
+
+        case HCI_SCODATA_PKT:
+            if (skb->len == HCI_SCO_HDR_SIZE) {
+                struct hci_sco_hdr *h = hci_sco_hdr(skb);
+                scb->expect = h->dlen;
+
+                if (skb_tailroom(skb) < scb->expect) {
+                    kfree_skb(skb);
+                    hdev->reassembly[index] = NULL;
+                    return -ENOMEM;
+                }
+            }
+            break;
+        }
+
+        if (scb->expect == 0) {
+            /* Complete frame */
+            if(HCI_ACLDATA_PKT == type)
+                print_acl(skb,0);
+            if(HCI_SCODATA_PKT == type)
+                print_sco(skb,0);
+            if(HCI_EVENT_PKT == type)
+                print_event(skb);
+
+            bt_cb(skb)->pkt_type = type;
+            hci_recv_frame(skb);
+
+            hdev->reassembly[index] = NULL;
+            return remain;
+        }
+    }
+
+    return remain;
 }
 
 static int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
 {
-       int rem = 0;
+    int rem = 0;
 
-       if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)
-               return -EILSEQ;
+    if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)
+        return -EILSEQ;
 
-       while (count) {
-               rem = hci_reassembly(hdev, type, data, count, type - 1);
-               if (rem < 0)
-                       return rem;
+    while (count) {
+        rem = hci_reassembly(hdev, type, data, count, type - 1);
+        if (rem < 0)
+            return rem;
 
-               data += (count - rem);
-               count = rem;
-       }
+        data += (count - rem);
+        count = rem;
+    }
 
-       return rem;
+    return rem;
 }
 
 void hci_hardware_error(void)
 {
-       struct sk_buff *rtk_skb_copy = NULL;
-       int len = 3;
-       uint8_t hardware_err_pkt[3] = {HCI_EVENT_PKT, 0x10, 0x00};
+    struct sk_buff *rtk_skb_copy = NULL;
+    int len = 3;
+    uint8_t hardware_err_pkt[4] = {HCI_EVENT_PKT, 0x10, 0x01, HCI_VENDOR_USB_DISC_HARDWARE_ERROR};
 
-       rtk_skb_copy = alloc_skb(len, GFP_ATOMIC);
-       if (!rtk_skb_copy) {
-               RTKBT_ERR("%s: Failed to allocate mem", __func__);
-               return;
-       }
+    rtk_skb_copy = alloc_skb(len, GFP_ATOMIC);
+    if (!rtk_skb_copy) {
+        RTKBT_ERR("%s: Failed to allocate mem", __func__);
+        return;
+    }
 
-       memcpy(skb_put(rtk_skb_copy, len), hardware_err_pkt, len);
-       rtk_enqueue(rtk_skb_copy);
+    memcpy(skb_put(rtk_skb_copy, len), hardware_err_pkt, len);
+    rtk_enqueue(rtk_skb_copy);
 
-       wake_up_interruptible(&btchr_read_wait);
+    wake_up_interruptible(&btchr_read_wait);
 }
 
 static int btchr_open(struct inode *inode_p, struct file  *file_p)
 {
-       struct btusb_data *data;
-       struct hci_dev *hdev;
+    struct btusb_data *data;
+    struct hci_dev *hdev;
 
-       RTKBT_INFO("%s: BT usb char device is opening", __func__);
-       /* Not open unless wanna tracing log */
-       /* trace_printk("%s: open....\n", __func__); */
+    RTKBT_INFO("%s: BT usb char device is opening", __func__);
+    /* Not open unless wanna tracing log */
+    /* trace_printk("%s: open....\n", __func__); */
 
-       hdev = hci_dev_get(0);
-       if (!hdev) {
-               RTKBT_ERR("%s: Failed to get hci dev[NULL]", __func__);
-               return -1;
-       }
-       data = GET_DRV_DATA(hdev);
+    hdev = hci_dev_get(0);
+    if (!hdev) {
+        RTKBT_ERR("%s: Failed to get hci dev[NULL]", __func__);
+        return -ENODEV;
+    }
+    data = GET_DRV_DATA(hdev);
 
-       atomic_inc(&hdev->promisc);
-       /*
-        * As bt device is not re-opened when hotplugged out, we cannot
-        * trust on file's private data(may be null) when other file ops
-        * are invoked.
-        */
-       file_p->private_data = data;
+    atomic_inc(&hdev->promisc);
+    /*
+     * As bt device is not re-opened when hotplugged out, we cannot
+     * trust on file's private data(may be null) when other file ops
+     * are invoked.
+     */
+    file_p->private_data = data;
 
-       mutex_lock(&btchr_mutex);
-       hci_dev_open(0);
-       mutex_unlock(&btchr_mutex);
+    mutex_lock(&btchr_mutex);
+    hci_dev_open(0);
+    mutex_unlock(&btchr_mutex);
 
-       return nonseekable_open(inode_p, file_p);
+    return nonseekable_open(inode_p, file_p);
 }
 
 static int btchr_close(struct inode  *inode_p, struct file   *file_p)
 {
-       struct btusb_data *data;
-       struct hci_dev *hdev;
+    struct btusb_data *data;
+    struct hci_dev *hdev;
 
-       RTKBT_INFO("%s: BT usb char device is closing", __func__);
-       /* Not open unless wanna tracing log */
-       /* trace_printk("%s: close....\n", __func__); */
+    RTKBT_INFO("%s: BT usb char device is closing", __func__);
+    /* Not open unless wanna tracing log */
+    /* trace_printk("%s: close....\n", __func__); */
 
-       data = file_p->private_data;
-       file_p->private_data = NULL;
+    data = file_p->private_data;
+    file_p->private_data = NULL;
 
 #if CONFIG_BLUEDROID
-       /*
-        * If the upper layer closes bt char interfaces, no reset
-        * action required even bt device hotplugged out.
-        */
-       bt_reset = 0;
+    /*
+     * If the upper layer closes bt char interfaces, no reset
+     * action required even bt device hotplugged out.
+     */
+    bt_reset = 0;
 #endif
 
-       hdev = hci_dev_get(0);
-       if (hdev) {
-               atomic_set(&hdev->promisc, 0);
-               mutex_lock(&btchr_mutex);
-               hci_dev_close(0);
-               mutex_unlock(&btchr_mutex);
-       }
+    hdev = hci_dev_get(0);
+    if (hdev) {
+        atomic_set(&hdev->promisc, 0);
+        mutex_lock(&btchr_mutex);
+        hci_dev_close(0);
+        mutex_unlock(&btchr_mutex);
+    }
 
-       return 0;
+    return 0;
 }
 
 static ssize_t btchr_read(struct file *file_p,
-               char __user *buf_p,
-               size_t count,
-               loff_t *pos_p)
-{
-       struct hci_dev *hdev;
-       struct sk_buff *skb;
-       ssize_t ret = 0;
-
-       RTKBT_DBG("%s: BT usb char device is reading", __func__);
-
-       while (count) {
-               hdev = hci_dev_get(0);
-               if (!hdev) {
-                       /*
-                        * Note: Only when BT device hotplugged out, we wil get
-                        * into such situation. In order to keep the upper layer
-                        * stack alive (blocking the read), we should never return
-                        * EFAULT or break the loop.
-                        */
-                       RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
-               }
-
-               ret = wait_event_interruptible(btchr_read_wait, !is_queue_empty());
-               if (ret < 0) {
-                       RTKBT_ERR("%s: wait event is signaled %d", __func__, ret);
-                       break;
-               }
-
-               skb = rtk_dequeue_try(count);
-               if (skb) {
-                       ret = usb_put_user(skb, buf_p, count);
-                       if (ret < 0)
-                               RTKBT_ERR("%s: Failed to put data to user space", __func__);
-                       kfree_skb(skb);
-                       break;
-               }
-       }
-
-       return ret;
+        char __user *buf_p,
+        size_t count,
+        loff_t *pos_p)
+{
+    struct hci_dev *hdev;
+    struct sk_buff *skb;
+    ssize_t ret = 0;
+
+    RTKBT_DBG("%s: BT usb char device is reading", __func__);
+
+    while (count) {
+        hdev = hci_dev_get(0);
+        if (!hdev) {
+            /*
+             * Note: Only when BT device hotplugged out, we wil get
+             * into such situation. In order to keep the upper layer
+             * stack alive (blocking the read), we should never return
+             * EFAULT or break the loop.
+             */
+            RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+        }
+
+        ret = wait_event_interruptible(btchr_read_wait, !is_queue_empty());
+        if (ret < 0) {
+            RTKBT_ERR("%s: wait event is signaled %d", __func__, (int)ret);
+            break;
+        }
+
+        skb = rtk_dequeue_try(count);
+        if (skb) {
+            ret = usb_put_user(skb, buf_p, count);
+            if (ret < 0)
+                RTKBT_ERR("%s: Failed to put data to user space", __func__);
+            kfree_skb(skb);
+            break;
+        }
+    }
+
+    return ret;
 }
 
 static ssize_t btchr_write(struct file *file_p,
-               const char __user *buf_p,
-               size_t count,
-               loff_t *pos_p)
-{
-       struct btusb_data *data = file_p->private_data;
-       struct hci_dev *hdev;
-       struct sk_buff *skb;
-
-       RTKBT_DBG("%s: BT usb char device is writing", __func__);
-
-       hdev = hci_dev_get(0);
-       if (!hdev) {
-               RTKBT_WARN("%s: Failed to get hci dev[Null]", __func__);
-               /*
-                * Note: we bypass the data from the upper layer if bt device
-                * is hotplugged out. Fortunatelly, H4 or H5 HCI stack does
-                * NOT check btchr_write's return value. However, returning
-                * count instead of EFAULT is preferable.
-                */
-               /* return -EFAULT; */
-               return count;
-       }
-
-       /* Never trust on btusb_data, as bt device may be hotplugged out */
-       data = GET_DRV_DATA(hdev);
-       if (!data) {
-               RTKBT_WARN("%s: Failed to get bt usb driver data[Null]", __func__);
-               return count;
-       }
-
-       if (count > HCI_MAX_FRAME_SIZE)
-               return -EINVAL;
-
-       skb = bt_skb_alloc(count, GFP_ATOMIC);
-       if (!skb)
-               return -ENOMEM;
-       skb_reserve(skb, -1); // Add this line
-
-       if (copy_from_user(skb_put(skb, count), buf_p, count)) {
-               RTKBT_ERR("%s: Failed to get data from user space", __func__);
-               kfree_skb(skb);
-               return -EFAULT;
-       }
-
-       skb->dev = (void *)hdev;
-       bt_cb(skb)->pkt_type = *((__u8 *)skb->data);
-       skb_pull(skb, 1);
-       data->hdev->send(skb);
-
-       return count;
+        const char __user *buf_p,
+        size_t count,
+        loff_t *pos_p)
+{
+    struct btusb_data *data = file_p->private_data;
+    struct hci_dev *hdev;
+    struct sk_buff *skb;
+
+    RTKBT_DBG("%s: BT usb char device is writing", __func__);
+
+    hdev = hci_dev_get(0);
+    if (!hdev) {
+        RTKBT_WARN("%s: Failed to get hci dev[Null]", __func__);
+        /*
+         * Note: we bypass the data from the upper layer if bt device
+         * is hotplugged out. Fortunatelly, H4 or H5 HCI stack does
+         * NOT check btchr_write's return value. However, returning
+         * count instead of EFAULT is preferable.
+         */
+        /* return -EFAULT; */
+        return count;
+    }
+
+    /* Never trust on btusb_data, as bt device may be hotplugged out */
+    data = GET_DRV_DATA(hdev);
+    if (!data) {
+        RTKBT_WARN("%s: Failed to get bt usb driver data[Null]", __func__);
+        return count;
+    }
+
+    if (count > HCI_MAX_FRAME_SIZE)
+        return -EINVAL;
+
+    skb = bt_skb_alloc(count, GFP_ATOMIC);
+    if (!skb)
+        return -ENOMEM;
+    skb_reserve(skb, -1); // Add this line
+
+    if (copy_from_user(skb_put(skb, count), buf_p, count)) {
+        RTKBT_ERR("%s: Failed to get data from user space", __func__);
+        kfree_skb(skb);
+        return -EFAULT;
+    }
+
+    skb->dev = (void *)hdev;
+    bt_cb(skb)->pkt_type = *((__u8 *)skb->data);
+    skb_pull(skb, 1);
+    data->hdev->send(skb);
+
+    return count;
 }
 
 static unsigned int btchr_poll(struct file *file_p, poll_table *wait)
 {
-       struct btusb_data *data = file_p->private_data;
-       struct hci_dev *hdev;
+    struct btusb_data *data = file_p->private_data;
+    struct hci_dev *hdev;
+
+    RTKBT_DBG("%s: BT usb char device is polling", __func__);
+
+    poll_wait(file_p, &btchr_read_wait, wait);
+
+    hdev = hci_dev_get(0);
+    if (!hdev) {
+        RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+        mdelay(URB_CANCELING_DELAY_MS);
+        return POLLOUT | POLLWRNORM;
+    }
+
+    /* Never trust on btusb_data, as bt device may be hotplugged out */
+    data = GET_DRV_DATA(hdev);
+    if (!data) {
+        /*
+         * When bt device is hotplugged out, btusb_data will
+         * be freed in disconnect.
+         */
+        RTKBT_ERR("%s: Failed to get bt usb driver data[Null]", __func__);
+        mdelay(URB_CANCELING_DELAY_MS);
+        return POLLOUT | POLLWRNORM;
+    }
+
+    if (!is_queue_empty())
+        return POLLIN | POLLRDNORM;
+
+    return POLLOUT | POLLWRNORM;
+}
+static long btchr_ioctl(struct file *file_p,unsigned int cmd, unsigned long arg){
+    int ret = 0;
+    struct hci_dev *hdev;
+    struct btusb_data *data;
+    firmware_info *fw_info;
+
+    if(check_set_dlfw_state_value(1) != 1) {
+        RTKBT_ERR("%s bt controller is disconnecting!", __func__);
+        return 0;
+    }
+
+    hdev = hci_dev_get(0);
+    if(!hdev) {
+        RTKBT_ERR("%s device is NULL!", __func__);
+        set_dlfw_state_value(0);
+        return 0;
+    }
+    data = GET_DRV_DATA(hdev);
+    fw_info = data->fw_info;
+
+    RTKBT_INFO(" btchr_ioctl DOWN_FW_CFG with Cmd:%d",cmd);
+    switch (cmd) {
+        case DOWN_FW_CFG:
+            ret = usb_autopm_get_interface(data->intf);
+            if (ret < 0){
+                goto failed;
+            }
+
+            ret = download_patch(fw_info,1);
+            usb_autopm_put_interface(data->intf);
+            if(ret < 0){
+                RTKBT_ERR("%s:Failed in download_patch with ret:%d",__func__,ret);
+                goto failed;
+            }
+
+            ret = hdev->open(hdev);
+            if(ret < 0){
+                RTKBT_ERR("%s:Failed in hdev->open(hdev):%d",__func__,ret);
+                goto failed;
+            }
+            set_bit(HCI_UP, &hdev->flags);
+            set_dlfw_state_value(0);
+            wake_up_interruptible(&bt_dlfw_wait);
+            return 1;
+        default:
+            RTKBT_ERR("%s:Failed with wrong Cmd:%d",__func__,cmd);
+            goto failed;
+        }
+    failed:
+        set_dlfw_state_value(0);
+        wake_up_interruptible(&bt_dlfw_wait);
+        return ret;
 
-       RTKBT_DBG("%s: BT usb char device is polling", __func__);
-
-       hdev = hci_dev_get(0);
-       if (!hdev) {
-               RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
-               mdelay(URB_CANCELING_DELAY_MS);
-               return POLLOUT | POLLWRNORM;
-       }
-
-       /* Never trust on btusb_data, as bt device may be hotplugged out */
-       data = GET_DRV_DATA(hdev);
-       if (!data) {
-               /*
-                * When bt device is hotplugged out, btusb_data will
-                * be freed in disconnect.
-                */
-               RTKBT_ERR("%s: Failed to get bt usb driver data[Null]", __func__);
-               mdelay(URB_CANCELING_DELAY_MS);
-               return POLLOUT | POLLWRNORM;
-       }
-
-       if (!is_queue_empty())
-               return POLLIN | POLLRDNORM;
+}
 
-       poll_wait(file_p, &btchr_read_wait, wait);
 
-       return POLLOUT | POLLWRNORM;
-}
 
 static struct file_operations bt_chrdev_ops  = {
-       open    :       btchr_open,
-       release :       btchr_close,
-       read    :       btchr_read,
-       write   :       btchr_write,
-       poll    :       btchr_poll
+    open    :    btchr_open,
+    release    :    btchr_close,
+    read    :    btchr_read,
+    write    :    btchr_write,
+    poll    :    btchr_poll,
+    unlocked_ioctl   :   btchr_ioctl,
 };
 
 static int btchr_init(void)
 {
-       int res = 0;
-       struct device *dev;
-
-       RTKBT_INFO("Register usb char device interface for BT driver");
-       /*
-        * btchr mutex is used to sync between
-        * 1) downloading patch and opening bt char driver
-        * 2) the file operations of bt char driver
-        */
-       mutex_init(&btchr_mutex);
-
-       skb_queue_head_init(&btchr_readq);
-       init_waitqueue_head(&btchr_read_wait);
-
-       bt_char_class = class_create(THIS_MODULE, BT_CHAR_DEVICE_NAME);
-       if (IS_ERR(bt_char_class)) {
-               RTKBT_ERR("Failed to create bt char class");
-               return PTR_ERR(bt_char_class);
-       }
-
-       res = alloc_chrdev_region(&bt_devid, 0, 1, BT_CHAR_DEVICE_NAME);
-       if (res < 0) {
-               RTKBT_ERR("Failed to allocate bt char device");
-               goto err_alloc;
-       }
-
-       dev = device_create(bt_char_class, NULL, bt_devid, NULL, BT_CHAR_DEVICE_NAME);
-       if (IS_ERR(dev)) {
-               RTKBT_ERR("Failed to create bt char device");
-               res = PTR_ERR(dev);
-               goto err_create;
-       }
-
-       cdev_init(&bt_char_dev, &bt_chrdev_ops);
-       res = cdev_add(&bt_char_dev, bt_devid, 1);
-       if (res < 0) {
-               RTKBT_ERR("Failed to add bt char device");
-               goto err_add;
-       }
-
-       return 0;
+    int res = 0;
+    struct device *dev;
+
+    RTKBT_INFO("Register usb char device interface for BT driver");
+    /*
+     * btchr mutex is used to sync between
+     * 1) downloading patch and opening bt char driver
+     * 2) the file operations of bt char driver
+     */
+    mutex_init(&btchr_mutex);
+
+    skb_queue_head_init(&btchr_readq);
+    init_waitqueue_head(&btchr_read_wait);
+    init_waitqueue_head(&bt_dlfw_wait);
+
+    bt_char_class = class_create(THIS_MODULE, BT_CHAR_DEVICE_NAME);
+    if (IS_ERR(bt_char_class)) {
+        RTKBT_ERR("Failed to create bt char class");
+        return PTR_ERR(bt_char_class);
+    }
+
+    res = alloc_chrdev_region(&bt_devid, 0, 1, BT_CHAR_DEVICE_NAME);
+    if (res < 0) {
+        RTKBT_ERR("Failed to allocate bt char device");
+        goto err_alloc;
+    }
+
+    dev = device_create(bt_char_class, NULL, bt_devid, NULL, BT_CHAR_DEVICE_NAME);
+    if (IS_ERR(dev)) {
+        RTKBT_ERR("Failed to create bt char device");
+        res = PTR_ERR(dev);
+        goto err_create;
+    }
+
+    cdev_init(&bt_char_dev, &bt_chrdev_ops);
+    res = cdev_add(&bt_char_dev, bt_devid, 1);
+    if (res < 0) {
+        RTKBT_ERR("Failed to add bt char device");
+        goto err_add;
+    }
+
+    return 0;
 
 err_add:
-       device_destroy(bt_char_class, bt_devid);
+    device_destroy(bt_char_class, bt_devid);
 err_create:
-       unregister_chrdev_region(bt_devid, 1);
+    unregister_chrdev_region(bt_devid, 1);
 err_alloc:
-       class_destroy(bt_char_class);
-       return res;
+    class_destroy(bt_char_class);
+    return res;
 }
 
 static void btchr_exit(void)
 {
-       RTKBT_INFO("Unregister usb char device interface for BT driver");
+    RTKBT_INFO("Unregister usb char device interface for BT driver");
 
-       device_destroy(bt_char_class, bt_devid);
-       cdev_del(&bt_char_dev);
-       unregister_chrdev_region(bt_devid, 1);
-       class_destroy(bt_char_class);
+    device_destroy(bt_char_class, bt_devid);
+    cdev_del(&bt_char_dev);
+    unregister_chrdev_region(bt_devid, 1);
+    class_destroy(bt_char_class);
 
-       return;
+    return;
 }
 #endif
 
 int send_hci_cmd(firmware_info *fw_info)
 {
-       int ret_val;
-
-       ret_val = usb_control_msg(
-               fw_info->udev, fw_info->pipe_out,
-               0, USB_TYPE_CLASS, 0, 0,
-               (void *)(fw_info->send_pkt),
-               fw_info->pkt_len, MSG_TO);
-
-       return ret_val;
+   int i = 0;
+   int ret_val = -1;
+   while((ret_val<0)&&(i++<10))
+   {
+       ret_val = usb_control_msg(
+          fw_info->udev, fw_info->pipe_out,
+          0, USB_TYPE_CLASS, 0, 0,
+          (void *)(fw_info->send_pkt),
+          fw_info->pkt_len, MSG_TO);
+   }
+   return ret_val;
 }
 
 int rcv_hci_evt(firmware_info *fw_info)
 {
-       int ret_len = 0, ret_val = 0;
-       int i;
+    int ret_len = 0, ret_val = 0;
+    int i;
 
-       while (1) {
-               for(i = 0; i < 5; i++) {
-               ret_val = usb_interrupt_msg(
-                       fw_info->udev, fw_info->pipe_in,
-                       (void *)(fw_info->rcv_pkt), PKT_LEN,
-                       &ret_len, MSG_TO);
-                       if (ret_val >= 0)
-                               break;
-               }
+    while (1) {
+        for(i = 0; i < 5; i++) {
+        ret_val = usb_interrupt_msg(
+            fw_info->udev, fw_info->pipe_in,
+            (void *)(fw_info->rcv_pkt), PKT_LEN,
+            &ret_len, MSG_TO);
+            if (ret_val >= 0)
+                break;
+        }
 
-               if (ret_val < 0)
-                       return ret_val;
+        if (ret_val < 0)
+            return ret_val;
 
-               if (CMD_CMP_EVT == fw_info->evt_hdr->evt) {
-                       if (fw_info->cmd_hdr->opcode == fw_info->cmd_cmp->opcode)
-                               return ret_len;
-               }
-       }
+        if (CMD_CMP_EVT == fw_info->evt_hdr->evt) {
+            if (fw_info->cmd_hdr->opcode == fw_info->cmd_cmp->opcode)
+                return ret_len;
+        }
+    }
 }
 
 int set_bt_onoff(firmware_info *fw_info, uint8_t onoff)
 {
-       patch_info *patch_entry;
-       int ret_val;
+    patch_info *patch_entry;
+    int ret_val;
 
-       RTKBT_INFO("%s: %s", __func__, onoff != 0 ? "on" : "off");
+    RTKBT_INFO("%s: %s", __func__, onoff != 0 ? "on" : "off");
 
-       patch_entry = fw_info->patch_entry;
-       if (!patch_entry)
-               return -1;
+    patch_entry = fw_info->patch_entry;
+    if (!patch_entry)
+        return -1;
 
-       fw_info->cmd_hdr->opcode = cpu_to_le16(BTOFF_OPCODE);
-       fw_info->cmd_hdr->plen = 1;
-       fw_info->pkt_len = CMD_HDR_LEN + 1;
-       fw_info->send_pkt[CMD_HDR_LEN] = onoff;
+    fw_info->cmd_hdr->opcode = cpu_to_le16(BTOFF_OPCODE);
+    fw_info->cmd_hdr->plen = 1;
+    fw_info->pkt_len = CMD_HDR_LEN + 1;
+    fw_info->send_pkt[CMD_HDR_LEN] = onoff;
 
-       ret_val = send_hci_cmd(fw_info);
-       if (ret_val < 0) {
-               RTKBT_ERR("%s: Failed to send bt %s cmd, errno %d",
-                               __func__, onoff != 0 ? "on" : "off", ret_val);
-               return ret_val;
-       }
+    ret_val = send_hci_cmd(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to send bt %s cmd, errno %d",
+                __func__, onoff != 0 ? "on" : "off", ret_val);
+        return ret_val;
+    }
 
-       ret_val = rcv_hci_evt(fw_info);
-       if (ret_val < 0) {
-               RTKBT_ERR("%s: Failed to receive bt %s event, errno %d",
-                               __func__, onoff != 0 ? "on" : "off", ret_val);
-               return ret_val;
-       }
+    ret_val = rcv_hci_evt(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to receive bt %s event, errno %d",
+                __func__, onoff != 0 ? "on" : "off", ret_val);
+        return ret_val;
+    }
 
-       return ret_val;
+    return ret_val;
 }
 
 static patch_info *get_fw_table_entry(struct usb_device* udev)
 {
-       patch_info *patch_entry = fw_patch_table;
-       uint16_t pid = le16_to_cpu(udev->descriptor.idProduct);
-       uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]);
-       uint32_t i;
+    patch_info *patch_entry = fw_patch_table;
+    uint16_t vid = le16_to_cpu(udev->descriptor.idVendor);
+    uint16_t pid = le16_to_cpu(udev->descriptor.idProduct);
+    uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]);
+    uint32_t i;
+
+    RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size);
+
+    for (i = 0; i < entry_size; i++, patch_entry++) {
+        if ((vid == patch_entry->vid)&&(pid == patch_entry->pid))
+            break;
+    }
+
+    if (i == entry_size) {
+        RTKBT_ERR("%s: No fw table entry found", __func__);
+        return NULL;
+    }
+
+    return patch_entry;
+}
+
+#if SUSPNED_DW_FW
+static patch_info *get_suspend_fw_table_entry(struct usb_device* udev)
+{
+    patch_info *patch_entry = fw_patch_table;
+    uint16_t vid = le16_to_cpu(udev->descriptor.idVendor);
+    uint16_t pid = le16_to_cpu(udev->descriptor.idProduct);
+    uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]);
+    uint32_t i;
 
-       RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size);
+    RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size);
 
-       for (i = 0; i < entry_size; i++, patch_entry++) {
-               if (pid == patch_entry->prod_id)
-                       break;
-       }
+    for (i = 0; i < entry_size; i++, patch_entry++) {
+        if ((vid == patch_entry->vid)&&(pid == patch_entry->pid))
+            break;
+    }
 
-       if (i == entry_size) {
-               RTKBT_ERR("%s: No fw table entry found", __func__);
-               return NULL;
-       }
+    if (i == entry_size) {
+        RTKBT_ERR("%s: No fw table entry found", __func__);
+        return NULL;
+    }
 
-       return patch_entry;
+    return patch_entry;
 }
+#endif
 
 static struct rtk_epatch_entry *get_fw_patch_entry(struct rtk_epatch *epatch_info, uint16_t eco_ver)
 {
-       int patch_num = epatch_info->number_of_total_patch;
-       uint8_t *epatch_buf = (uint8_t *)epatch_info;
-       struct rtk_epatch_entry *p_entry = NULL;
-       int coex_date;
-       int coex_ver;
-       int i;
-
-       for (i = 0; i < patch_num; i++) {
-               if (*(uint16_t *)(epatch_buf + 14 + 2*i) == eco_ver + 1) {
-                       p_entry = kzalloc(sizeof(*p_entry), GFP_KERNEL);
-                       if (!p_entry) {
-                               RTKBT_ERR("%s: Failed to allocate mem for patch entry", __func__);
-                               return NULL;
-                       }
-                       p_entry->chip_id = eco_ver + 1;
-                       p_entry->patch_length = *(uint16_t*)(epatch_buf + 14 + 2*patch_num + 2*i);
-                       p_entry->start_offset = *(uint32_t*)(epatch_buf + 14 + 4*patch_num + 4*i);
-                       p_entry->coex_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 12);
-                       p_entry->svn_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 8);
-                       p_entry->fw_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 4);
-
-                       coex_date = ((p_entry->coex_version >> 16) & 0x7ff) + ((p_entry->coex_version >> 27) * 10000);
-                       coex_ver = p_entry->coex_version & 0xffff;
-
-                       RTKBT_INFO("%s: chip id %d, patch length 0x%04x, patch offset 0x%08x, "
-                                       "coex version 20%06d-0x%04x, svn version 0x%08x, fw version 0x%08x",
-                                       __func__, p_entry->chip_id, p_entry->patch_length, p_entry->start_offset,
-                                       coex_date, coex_ver, p_entry->svn_version, p_entry->fw_version);
-                       break;
-               }
-       }
-
-       return p_entry;
+    int patch_num = epatch_info->number_of_total_patch;
+    uint8_t *epatch_buf = (uint8_t *)epatch_info;
+    struct rtk_epatch_entry *p_entry = NULL;
+    int coex_date;
+    int coex_ver;
+    int i;
+
+    for (i = 0; i < patch_num; i++) {
+        if (*(uint16_t *)(epatch_buf + 14 + 2*i) == eco_ver + 1) {
+            p_entry = kzalloc(sizeof(*p_entry), GFP_KERNEL);
+            if (!p_entry) {
+                RTKBT_ERR("%s: Failed to allocate mem for patch entry", __func__);
+                return NULL;
+            }
+            p_entry->chip_id = eco_ver + 1;
+            p_entry->patch_length = *(uint16_t*)(epatch_buf + 14 + 2*patch_num + 2*i);
+            p_entry->start_offset = *(uint32_t*)(epatch_buf + 14 + 4*patch_num + 4*i);
+            p_entry->coex_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 12);
+            p_entry->svn_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 8);
+            p_entry->fw_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 4);
+
+            coex_date = ((p_entry->coex_version >> 16) & 0x7ff) + ((p_entry->coex_version >> 27) * 10000);
+            coex_ver = p_entry->coex_version & 0xffff;
+
+            RTKBT_INFO("BTCOEX:20%06d-0x%04x svn version:0x%08x fw version:0x%08x rtk_btusb version:%s Cut:%d, patch length:0x%04x, patch offset:0x%08x\n", \
+                    coex_date, coex_ver, p_entry->svn_version, p_entry->fw_version, VERSION, p_entry->chip_id, p_entry->patch_length, p_entry->start_offset);
+            break;
+        }
+    }
+
+    return p_entry;
+}
+
+/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/
+int reset_controller(firmware_info* fw_info)
+{
+    int ret_val;
+    RTKBT_ERR("reset_controller");
+
+    if (!fw_info)
+        return -ENODEV;
+
+    fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_FORCE_RESET_AND_PATCHABLE);
+    fw_info->cmd_hdr->plen = 0;
+    fw_info->pkt_len = CMD_HDR_LEN;
+    ret_val = send_hci_cmd(fw_info);
+
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+                __func__, fw_info->cmd_hdr->opcode, ret_val);
+        return ret_val;
+    }
+
+    //sleep 1s for firmware reset.
+    msleep(1000);
+    RTKBT_INFO("%s: Wait fw reset for 1ms",__func__);
+
+    return ret_val;
 }
+/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/
 
 /*
  * check the return value
@@ -1290,305 +1387,703 @@ static struct rtk_epatch_entry *get_fw_patch_entry(struct rtk_epatch *epatch_inf
  */
 int check_fw_version(firmware_info* fw_info)
 {
-       struct hci_rp_read_local_version *read_ver_rsp;
-       patch_info *patch_entry = NULL;
-       int ret_val = -1;
-
-       fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION);
-       fw_info->cmd_hdr->plen = 0;
-       fw_info->pkt_len = CMD_HDR_LEN;
-
-       ret_val = send_hci_cmd(fw_info);
-       if (ret_val < 0) {
-               RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
-                               __func__, fw_info->cmd_hdr->opcode, ret_val);
-               return ret_val;
-       }
-
-       ret_val = rcv_hci_evt(fw_info);
-       if (ret_val < 0) {
-               RTKBT_ERR("%s: Failed to receive hci event, errno %d",
-                               __func__, ret_val);
-               return ret_val;
-       }
-
-       patch_entry = fw_info->patch_entry;
-       read_ver_rsp = (struct hci_rp_read_local_version *)(fw_info->rsp_para);
-
-       RTKBT_INFO("%s: Controller lmp = 0x%04x, patch lmp = 0x%04x, default patch lmp = 0x%04x",
-                       __func__, read_ver_rsp->lmp_subver, patch_entry->lmp_sub, patch_entry->lmp_sub_default);
-
-       if (read_ver_rsp->lmp_subver == patch_entry->lmp_sub_default) {
-               RTKBT_INFO("%s: Cold BT controller startup", __func__);
-               return 1;
-       } else if (read_ver_rsp->lmp_subver != patch_entry->lmp_sub) {
-               RTKBT_INFO("%s: Warm BT controller startup with updated lmp", __func__);
-               return 1;
-       } else {
-               RTKBT_INFO("%s: Warm BT controller startup with same lmp", __func__);
-               return 0;
-       }
+    struct hci_rp_read_local_version *read_ver_rsp;
+    patch_info *patch_entry = NULL;
+    int ret_val = -1;
+
+    fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION);
+    fw_info->cmd_hdr->plen = 0;
+    fw_info->pkt_len = CMD_HDR_LEN;
+
+    ret_val = send_hci_cmd(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+                __func__, fw_info->cmd_hdr->opcode, ret_val);
+        return ret_val;
+    }
+
+    ret_val = rcv_hci_evt(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to receive hci event, errno %d",
+                __func__, ret_val);
+        return ret_val;
+    }
+
+    patch_entry = fw_info->patch_entry;
+    read_ver_rsp = (struct hci_rp_read_local_version *)(fw_info->rsp_para);
+
+    RTKBT_INFO("%s: Controller lmp = 0x%04x, patch lmp = 0x%04x, default patch lmp = 0x%04x",
+            __func__, read_ver_rsp->lmp_subver, patch_entry->lmp_sub, patch_entry->lmp_sub_default);
+
+    if (read_ver_rsp->lmp_subver == patch_entry->lmp_sub_default) {
+        RTKBT_INFO("%s: Cold BT controller startup", __func__);
+
+        return 2;
+
+    } else if (read_ver_rsp->lmp_subver != patch_entry->lmp_sub) {
+        RTKBT_INFO("%s: Warm BT controller startup with updated lmp", __func__);
+        return 1;
+    } else {
+        RTKBT_INFO("%s: Warm BT controller startup with same lmp", __func__);
+        return 0;
+    }
 }
 
-int get_eversion(firmware_info* fw_info)
+#if SET_WAKEUP_DEVICE
+int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr)
 {
-       struct rtk_eversion_evt *ever_evt;
-       int ret_val;
+    struct rtk_eversion_evt *ever_evt;
+    int ret_val;
+
+    if (!fw_info)
+        return -ENODEV;
+
+    fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_ADD_WAKE_UP_DEVICE);
+    fw_info->cmd_hdr->plen = 7;
+    memcpy(fw_info->req_para, wakeup_bdaddr, 7);
+    fw_info->pkt_len = CMD_HDR_LEN + 7;
+
+    ret_val = send_hci_cmd(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d\n",
+            __func__, fw_info->cmd_hdr->opcode, ret_val);
+        return ret_val;
+    }
 
-       if (!fw_info)
-               return -ENODEV;
+    ret_val = rcv_hci_evt(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to receive hci event, errno %d\n",__func__, ret_val);
+        return ret_val;
+    }
 
-       fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_RTK_ROM_VERISION);
-       fw_info->cmd_hdr->plen = 0;
-       fw_info->pkt_len = CMD_HDR_LEN;
+    ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para);
 
-       ret_val = send_hci_cmd(fw_info);
-       if (ret_val < 0) {
-               RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
-                               __func__, fw_info->cmd_hdr->opcode, ret_val);
-               return ret_val;
-       }
+    RTKBT_DBG("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version);
+    return ret_val;
+}
+#endif
+
+/*reset_channel to recover the communication between wifi 8192eu with 8761 bt controller in case of geteversion error*/
+
+int reset_channel(firmware_info* fw_info)
+{
+    struct rtk_reset_evt *ever_evt;
+    int ret_val;
 
-       ret_val = rcv_hci_evt(fw_info);
-       if (ret_val < 0) {
-               RTKBT_ERR("%s: Failed to receive hci event, errno %d",
-                               __func__, ret_val);
-               return ret_val;
-       }
+    if (!fw_info)
+        return -ENODEV;
 
-       ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para);
+    fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_RESET);
+    fw_info->cmd_hdr->plen = 0;
+    fw_info->pkt_len = CMD_HDR_LEN;
 
-       RTKBT_INFO("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version);
+    ret_val = send_hci_cmd(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to send  hci cmd 0x%04x, errno %d",
+                __func__, fw_info->cmd_hdr->opcode, ret_val);
+        return ret_val;
+    }
 
-       if (ever_evt->status)
-               fw_info->patch_entry->eversion = 0;
-       else
-               fw_info->patch_entry->eversion = ever_evt->version;
+    ret_val = rcv_hci_evt(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to receive  hci event, errno %d",
+                __func__, ret_val);
+        return ret_val;
+    }
 
-       return ret_val;
+    ever_evt = (struct rtk_reset_evt *)(fw_info->rsp_para);
+
+    RTKBT_INFO("%s: status %d ", __func__, ever_evt->status);
+
+    //sleep 300ms for channel reset.
+    msleep(300);
+    RTKBT_INFO("%s: Wait channel reset for 300ms",__func__);
+
+    return ret_val;
 }
 
-int load_firmware(firmware_info *fw_info, uint8_t **buff)
+int read_localversion(firmware_info* fw_info)
 {
-       const struct firmware *fw, *cfg;
-       struct usb_device *udev;
-       patch_info *patch_entry;
-       char *config_name, *fw_name;
-       int fw_len = 0;
-       int ret_val;
-
-       int config_len = 0, buf_len = -1;
-       uint8_t *buf = *buff, *config_file_buf = NULL;
-       uint8_t *epatch_buf = NULL;
-
-       struct rtk_epatch *epatch_info = NULL;
-       uint8_t need_download_fw = 1;
-       struct rtk_extension_entry patch_lmp = {0};
-       struct rtk_epatch_entry *p_epatch_entry = NULL;
-       uint16_t lmp_version;
-       //uint8_t use_mp_fw = 0;
-       RTKBT_DBG("%s: start", __func__);
-
-       udev = fw_info->udev;
-       patch_entry = fw_info->patch_entry;
-       lmp_version = patch_entry->lmp_sub_default;
-       config_name = patch_entry->config_name;
-       fw_name = patch_entry->patch_name;
-
-       RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], "
-                       "fw file name[%s]", __func__, lmp_version,config_name, fw_name);
-
-/*     ret_val = request_firmware(&cfg, "mp_test", &udev->dev);
-       if (ret_val > 0)
-               config_file_buf = kzalloc(cfg->size, GFP_KERNEL);
-               if (config_file_buf) {
-                       memcpy(config_file_buf, cfg->data, cfg->size);
-                       use_mp_fw = *config_file_buf;
-                       if (1 == use_mp_fw){
-                               fw_name = patch_entry->mp_patch_name;
-                               RTKBT_WARN("%s: use_mp_fw = %04d, fw file name[%s]", __func__, use_mp_fw,  fw_name);
-                       }
-                       kfree(config_file_buf);
-                       release_firmware(cfg);
-               }
-*/
-       ret_val = request_firmware(&cfg, config_name, &udev->dev);
-       if (ret_val < 0)
-               config_len = 0;
-       else {
-               config_file_buf = kzalloc(cfg->size, GFP_KERNEL);
-               if (!config_file_buf)
-                       return -ENOMEM;
-               memcpy(config_file_buf, cfg->data, cfg->size);
-               config_len = cfg->size;
-               release_firmware(cfg);
-       }
-
-       ret_val = request_firmware(&fw, fw_name, &udev->dev);
-       if (ret_val < 0)
-               goto fw_fail;
-       else {
-               epatch_buf = kzalloc(fw->size, GFP_KERNEL);
-               if (!epatch_buf) {
-                       release_firmware(fw);
-                       goto fw_fail;
-               }
-               memcpy(epatch_buf, fw->data, fw->size);
-               fw_len = fw->size;
-               buf_len = fw_len + config_len;
-               release_firmware(fw);
-       }
-
-       if (lmp_version == ROM_LMP_8723a) {
-               RTKBT_DBG("%s: 8723a -> use old style patch", __func__);
-               if (!memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
-                       RTKBT_ERR("%s: 8723a check signature error", __func__);
-                       need_download_fw = 0;
-               } else {
-                       if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
-                               RTKBT_ERR("%s: Failed to allocate mem for fw&config", __func__);
-                               buf_len = -1;
-                       } else {
-                               RTKBT_DBG("%s: 8723a -> fw copy directly", __func__);
-                               memcpy(buf, epatch_buf, buf_len);
-                               patch_entry->lmp_sub = *(uint16_t *)(buf + buf_len - config_len - 4);
-                               RTKBT_DBG("%s: Config lmp version = 0x%04x", __func__,
-                                               patch_entry->lmp_sub);
-                               kfree(epatch_buf);
-                               epatch_buf = NULL;
-                               if (config_len)
-                                       memcpy(buf + buf_len - config_len, config_file_buf, config_len);
-                       }
-               }
-       } else {
-               RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__);
-               ret_val = get_eversion(fw_info);
-               if (ret_val < 0) {
-                       RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val);
-                       goto fw_fail;
-               }
-               RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion);
-               if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) {
-                       RTKBT_ERR("%s: Failed to check extension section signature", __func__);
-                       need_download_fw = 0;
-               } else {
-                       uint8_t *temp;
-                       temp = epatch_buf+buf_len-config_len - 5;
-                       do {
-                               if (*temp == 0x00) {
-                                       patch_lmp.opcode = *temp;
-                                       patch_lmp.length = *(temp-1);
-                                       if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) {
-                                               int k;
-                                               for (k = 0; k < patch_lmp.length; k++) {
-                                                       *(patch_lmp.data+k) = *(temp-2-k);
-                                                       RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k));
-                                               }
-                                       }
-                                       RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__,
-                                                       patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data));
-                                       break;
-                               }
-                               temp -= *(temp-1) + 2;
-                       } while (*temp != 0xFF);
-
-                       if (lmp_version != project_id[*(patch_lmp.data)]) {
-                               RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id 0x%04x "
-                                               "-> not match", __func__, lmp_version, project_id[*(patch_lmp.data)]);
-                               if (patch_lmp.data)
-                                       kfree(patch_lmp.data);
-                               need_download_fw = 0;
-                       } else {
-                               RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id 0x%04x "
-                                               "-> match", __func__, lmp_version, project_id[*(patch_lmp.data)]);
-                               if (patch_lmp.data)
-                                       kfree(patch_lmp.data);
-                               if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
-                                       RTKBT_ERR("%s: Check signature error", __func__);
-                                       need_download_fw = 0;
-                               } else {
-                                       epatch_info = (struct rtk_epatch*)epatch_buf;
-                                       patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version;
-
-                                       RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, "
-                                                       "number_of_total_patch %d", __func__,
-                                                       patch_entry->lmp_sub, epatch_info->fw_version,
-                                                       epatch_info->number_of_total_patch);
-
-                                       /* Get right epatch entry */
-                                       p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion);
-                                       if (p_epatch_entry == NULL) {
-                                               RTKBT_WARN("%s: Failed to get fw patch entry", __func__);
-                                               ret_val = -1;
-                                               goto fw_fail ;
-                                       }
-
-                                       buf_len = p_epatch_entry->patch_length + config_len;
-                                       RTKBT_DBG("buf_len = 0x%x", buf_len);
-
-                                       if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
-                                               RTKBT_ERR("%s: Can't alloc memory for  fw&config", __func__);
-                                               buf_len = -1;
-                                       } else {
-                                               memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length);
-                                               memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4);
-                                               kfree(p_epatch_entry);
-                                       }
-                                       kfree(epatch_buf);
-                                       epatch_buf = NULL;
-
-                                       if (config_len)
-                                               memcpy(&buf[buf_len - config_len], config_file_buf, config_len);
-                               }
-                       }
-               }
-       }
-
-       if (config_file_buf)
-               kfree(config_file_buf);
-
-       RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__,
-                       (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not");
-
-       if (buf && buf_len > 0 && need_download_fw)
-               *buff = buf;
-
-       RTKBT_DBG("%s: done", __func__);
-
-       return buf_len;
+    struct rtk_localversion_evt *ever_evt;
+    int ret_val;
 
-fw_fail:
-       if (config_file_buf)
-               kfree(config_file_buf);
-       return ret_val;
+    if (!fw_info)
+        return -ENODEV;
+
+    fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_LMP_VERISION);
+    fw_info->cmd_hdr->plen = 0;
+    fw_info->pkt_len = CMD_HDR_LEN;
+
+    ret_val = send_hci_cmd(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to send  hci cmd 0x%04x, errno %d",
+                __func__, fw_info->cmd_hdr->opcode, ret_val);
+        return ret_val;
+    }
+
+    ret_val = rcv_hci_evt(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to receive  hci event, errno %d",
+                __func__, ret_val);
+        return ret_val;
+    }
+
+    ever_evt = (struct rtk_localversion_evt *)(fw_info->rsp_para);
+
+    RTKBT_INFO("%s: status %d ", __func__, ever_evt->status);
+    RTKBT_INFO("%s: hci_version %d ", __func__, ever_evt->hci_version);
+    RTKBT_INFO("%s: hci_revision %d ", __func__, ever_evt->hci_revision);
+    RTKBT_INFO("%s: lmp_version %d ", __func__, ever_evt->lmp_version);
+    RTKBT_INFO("%s: lmp_subversion %d ", __func__, ever_evt->lmp_subversion);
+    RTKBT_INFO("%s: lmp_manufacture %d ", __func__, ever_evt->lmp_manufacture);
+    //sleep 300ms for channel reset.
+    msleep(300);
+    RTKBT_INFO("%s: Wait channel reset for 300ms",__func__);
+
+    return ret_val;
 }
 
-int get_firmware(firmware_info *fw_info, int cached)
+int get_eversion(firmware_info* fw_info)
+{
+    struct rtk_eversion_evt *ever_evt;
+    int ret_val;
+
+    if (!fw_info)
+        return -ENODEV;
+
+    fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_RTK_ROM_VERISION);
+    fw_info->cmd_hdr->plen = 0;
+    fw_info->pkt_len = CMD_HDR_LEN;
+
+    ret_val = send_hci_cmd(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+                __func__, fw_info->cmd_hdr->opcode, ret_val);
+        return ret_val;
+    }
+
+    ret_val = rcv_hci_evt(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to receive hci event, errno %d",
+                __func__, ret_val);
+        return ret_val;
+    }
+
+    ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para);
+
+    RTKBT_INFO("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version);
+
+    if (ever_evt->status)
+        fw_info->patch_entry->eversion = 0;
+    else
+        fw_info->patch_entry->eversion = ever_evt->version;
+
+    return ret_val;
+}
+
+void rtk_update_altsettings(patch_info *patch_entry, const unsigned char* org_config_buf, int org_config_len, unsigned char ** new_config_buf_ptr, int *new_config_len_ptr)
+{
+    static unsigned char config_buf[1024];
+    unsigned short offset[256];
+    unsigned char val[256];
+
+    struct rtk_bt_vendor_config* config = (struct rtk_bt_vendor_config*) config_buf;
+    struct rtk_bt_vendor_config_entry* entry = config->entry;
+
+    int count = 0,temp = 0, i = 0, j;
+
+    memset(config_buf, 0, sizeof(config_buf));
+    memset(offset, 0, sizeof(offset));
+    memset(val, 0, sizeof(val));
+
+    memcpy(config_buf, org_config_buf, org_config_len);
+    *new_config_buf_ptr = config_buf;
+    *new_config_len_ptr = org_config_len;
+
+    count = getAltSettings(patch_entry, offset, sizeof(offset)/sizeof(unsigned short));
+    if(count <= 0){
+        RTKBT_INFO("rtk_update_altsettings: No AltSettings");
+        return;
+    }else{
+        RTKBT_INFO("rtk_update_altsettings: %d AltSettings", count);
+    }
+
+    RTKBT_INFO("ORG Config len=%08x:\n", org_config_len);
+    for(i=0;i<=org_config_len;i+=0x10)
+    {
+        RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \
+            config_buf[i], config_buf[i+1], config_buf[i+2], config_buf[i+3], config_buf[i+4], config_buf[i+5], config_buf[i+6], config_buf[i+7], \
+            config_buf[i+8], config_buf[i+9], config_buf[i+10], config_buf[i+11], config_buf[i+12], config_buf[i+13], config_buf[i+14], config_buf[i+15]);
+    }
+
+    if (config->data_len != org_config_len - sizeof(struct rtk_bt_vendor_config))
+    {
+        RTKBT_ERR("rtk_update_altsettings: config len(%x) is not right(%x)", config->data_len, (unsigned int)(org_config_len-sizeof(struct rtk_bt_vendor_config)));
+        return;
+    }
+
+    for (i=0; i<config->data_len;)
+    {
+        for(j = 0; j < count;j++)
+        {
+            if(entry->offset == offset[j])
+                offset[j] = 0;
+        }
+        if(getAltSettingVal(patch_entry, entry->offset, val) == entry->entry_len){
+            RTKBT_INFO("rtk_update_altsettings: replace %04x[%02x]", entry->offset, entry->entry_len);
+            memcpy(entry->entry_data, val, entry->entry_len);
+        }
+        temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry);
+        i += temp;
+        entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp);
+    }
+    for(j = 0; j < count;j++){
+        if(offset[j] == 0)
+            continue;
+        entry->entry_len = getAltSettingVal(patch_entry, offset[j], val);
+        if(entry->entry_len <= 0)
+            continue;
+        entry->offset = offset[j];
+        memcpy(entry->entry_data, val, entry->entry_len);
+        RTKBT_INFO("rtk_update_altsettings: add %04x[%02x]", entry->offset, entry->entry_len);
+        temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry);
+        i += temp;
+        entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp);
+    }
+    config->data_len = i;
+    *new_config_buf_ptr = config_buf;
+    *new_config_len_ptr = config->data_len+sizeof(struct rtk_bt_vendor_config);
+
+    return;
+}
+
+int load_firmware(firmware_info *fw_info, uint8_t **buff)
 {
-       patch_info *patch_entry = fw_info->patch_entry;
+    const struct firmware *fw, *cfg;
+    struct usb_device *udev;
+    patch_info *patch_entry;
+    char *config_name, *fw_name;
+    int fw_len = 0;
+    int ret_val;
+
+    int config_len = 0, buf_len = -1;
+    uint8_t *buf = *buff, *config_file_buf = NULL;
+    uint8_t *epatch_buf = NULL;
+
+    struct rtk_epatch *epatch_info = NULL;
+    uint8_t need_download_fw = 1;
+    struct rtk_extension_entry patch_lmp = {0};
+    struct rtk_epatch_entry *p_epatch_entry = NULL;
+    uint16_t lmp_version;
+    //uint8_t use_mp_fw = 0;
+    RTKBT_DBG("%s: start", __func__);
+
+    udev = fw_info->udev;
+    patch_entry = fw_info->patch_entry;
+    lmp_version = patch_entry->lmp_sub_default;
+    config_name = patch_entry->config_name;
+/* 1 Mptool Fw; 0 Normal Fw */
+    if(DRV_MP_MODE == mp_drv_mode){
+        fw_name = patch_entry->mp_patch_name;
+    }else{
+        fw_name = patch_entry->patch_name;
+    }
+
+    RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], "
+            "fw file name[%s]", __func__, lmp_version,config_name, fw_name);
+
+    ret_val = request_firmware(&cfg, config_name, &udev->dev);
+    if (ret_val < 0)
+        config_len = 0;
+    else {
+        int i;
+        rtk_update_altsettings(patch_entry, cfg->data, cfg->size, &config_file_buf, &config_len);
+
+        RTKBT_INFO("Final Config len=%08x:\n", config_len);
+        for(i=0;i<=config_len;i+=0x10)
+        {
+            RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \
+                config_file_buf[i], config_file_buf[i+1], config_file_buf[i+2], config_file_buf[i+3], config_file_buf[i+4], config_file_buf[i+5], config_file_buf[i+6], config_file_buf[i+7], \
+                config_file_buf[i+8], config_file_buf[i+9], config_file_buf[i+10], config_file_buf[i+11], config_file_buf[i+12], config_file_buf[i+13], config_file_buf[i+14], config_file_buf[i+15]);
+        }
+
+        release_firmware(cfg);
+    }
+
+    ret_val = request_firmware(&fw, fw_name, &udev->dev);
+    if (ret_val < 0)
+        goto fw_fail;
+    else {
+        epatch_buf = vmalloc(fw->size);
+        RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__);
+        if (!epatch_buf) {
+            release_firmware(fw);
+            goto fw_fail;
+        }
+        memcpy(epatch_buf, fw->data, fw->size);
+        fw_len = fw->size;
+        buf_len = fw_len + config_len;
+        release_firmware(fw);
+    }
+
+    if (lmp_version == ROM_LMP_8723a) {
+        RTKBT_DBG("%s: 8723a -> use old style patch", __func__);
+        if (!memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
+            RTKBT_ERR("%s: 8723a check signature error", __func__);
+            need_download_fw = 0;
+        } else {
+            if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
+                RTKBT_ERR("%s: Failed to allocate mem for fw&config", __func__);
+                buf_len = -1;
+            } else {
+                RTKBT_DBG("%s: 8723a -> fw copy directly", __func__);
+                memcpy(buf, epatch_buf, buf_len);
+                patch_entry->lmp_sub = *(uint16_t *)(buf + buf_len - config_len - 4);
+                RTKBT_DBG("%s: Config lmp version = 0x%04x", __func__,
+                        patch_entry->lmp_sub);
+                vfree(epatch_buf);
+                RTKBT_INFO("%s:ROM_LMP_8723a vfree(epatch_buf)", __func__);
+                epatch_buf = NULL;
+                if (config_len)
+                    memcpy(buf + buf_len - config_len, config_file_buf, config_len);
+            }
+        }
+    } else {
+        RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__);
+
+        RTKBT_DBG("%s: reset_channel before get_eversion from bt controller", __func__);
+        ret_val = reset_channel(fw_info);
+        if (ret_val < 0) {
+            RTKBT_ERR("%s: Failed to reset_channel, errno %d", __func__, ret_val);
+            goto fw_fail;
+        }
+//        read_localversion(fw_info);
+        RTKBT_DBG("%s: get_eversion from bt controller", __func__);
+
+        ret_val = get_eversion(fw_info);
+        if (ret_val < 0) {
+            RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val);
+            goto fw_fail;
+        }
+        RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion);
+        if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) {
+            RTKBT_ERR("%s: Failed to check extension section signature", __func__);
+            need_download_fw = 0;
+        } else {
+            uint8_t *temp;
+            temp = epatch_buf+buf_len-config_len - 5;
+            do {
+                if (*temp == 0x00) {
+                    patch_lmp.opcode = *temp;
+                    patch_lmp.length = *(temp-1);
+                    if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) {
+                        int k;
+                        for (k = 0; k < patch_lmp.length; k++) {
+                            *(patch_lmp.data+k) = *(temp-2-k);
+                            RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k));
+                        }
+                    }
+                    RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__,
+                            patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data));
+                    break;
+                }
+                temp -= *(temp-1) + 2;
+            } while (*temp != 0xFF);
+
+            if (lmp_version != project_id[*(patch_lmp.data)]) {
+                RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+                        "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]);
+                if (patch_lmp.data)
+                    kfree(patch_lmp.data);
+                need_download_fw = 0;
+            } else {
+                RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+                        "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]);
+                if (patch_lmp.data)
+                    kfree(patch_lmp.data);
+                if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
+                    RTKBT_ERR("%s: Check signature error", __func__);
+                    need_download_fw = 0;
+                } else {
+                    epatch_info = (struct rtk_epatch*)epatch_buf;
+                    patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version;
+
+                    RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, "
+                            "number_of_total_patch %d", __func__,
+                            patch_entry->lmp_sub, epatch_info->fw_version,
+                            epatch_info->number_of_total_patch);
+
+                    /* Get right epatch entry */
+                    p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion);
+                    if (p_epatch_entry == NULL) {
+                        RTKBT_WARN("%s: Failed to get fw patch entry", __func__);
+                        ret_val = -1;
+                        goto fw_fail ;
+                    }
+
+                    buf_len = p_epatch_entry->patch_length + config_len;
+                    RTKBT_DBG("buf_len = 0x%x", buf_len);
+
+                    if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
+                        RTKBT_ERR("%s: Can't alloc memory for  fw&config", __func__);
+                        buf_len = -1;
+                    } else {
+                        memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length);
+                        memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4);
+                        kfree(p_epatch_entry);
+                    }
+                    vfree(epatch_buf);
+                    RTKBT_INFO("%s: vfree(epatch_buf)", __func__);
+                    epatch_buf = NULL;
+
+                    if (config_len)
+                        memcpy(&buf[buf_len - config_len], config_file_buf, config_len);
+                }
+            }
+        }
+    }
+
+    RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__,
+            (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not");
+
+    if (buf && buf_len > 0 && need_download_fw)
+        *buff = buf;
+
+    RTKBT_DBG("%s: done", __func__);
+
+    return buf_len;
 
-       RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len);
+fw_fail:
+    return ret_val;
+}
+
+#if SUSPNED_DW_FW
+static int load_suspend_firmware(firmware_info *fw_info, uint8_t **buff)
+{
+    const struct firmware *fw, *cfg;
+    struct usb_device *udev;
+    patch_info *patch_entry;
+    char config_name[100] = {0};
+    char fw_name[100] = {0};
+    int fw_len = 0;
+    int ret_val;
+
+    int config_len = 0, buf_len = -1;
+    uint8_t *buf = *buff, *config_file_buf = NULL;
+    uint8_t *epatch_buf = NULL;
+
+    struct rtk_epatch *epatch_info = NULL;
+    uint8_t need_download_fw = 1;
+    struct rtk_extension_entry patch_lmp = {0};
+    struct rtk_epatch_entry *p_epatch_entry = NULL;
+    uint16_t lmp_version;
+    RTKBT_DBG("%s: start", __func__);
+
+    udev = fw_info->udev;
+    patch_entry = fw_info->patch_entry;
+    lmp_version = patch_entry->lmp_sub_default;
+    sprintf(config_name, "%s_suspend", patch_entry->config_name);
+    sprintf(fw_name, "%s_suspend", patch_entry->patch_name);
+
+    RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], "
+            "fw file name[%s]", __func__, lmp_version,config_name, fw_name);
+
+    ret_val = request_firmware(&cfg, config_name, &udev->dev);
+    if (ret_val < 0)
+        config_len = 0;
+    else {
+        config_file_buf = vmalloc(cfg->size);
+        RTKBT_INFO("%s: epatch_buf = vmalloc(cfg->size)", __func__);
+        if (!config_file_buf)
+            return -ENOMEM;
+        memcpy(config_file_buf, cfg->data, cfg->size);
+        config_len = cfg->size;
+        release_firmware(cfg);
+    }
+
+    ret_val = request_firmware(&fw, fw_name, &udev->dev);
+    if (ret_val < 0)
+        goto fw_fail;
+    else {
+        epatch_buf = vmalloc(fw->size);
+        RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__);
+        if (!epatch_buf) {
+            release_firmware(fw);
+            goto fw_fail;
+        }
+        memcpy(epatch_buf, fw->data, fw->size);
+        fw_len = fw->size;
+        buf_len = fw_len + config_len;
+        release_firmware(fw);
+    }
+
+    RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__);
+
+    RTKBT_DBG("%s: get_eversion from bt controller", __func__);
+
+    ret_val = get_eversion(fw_info);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val);
+        goto fw_fail;
+    }
+    RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion);
+    if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) {
+        RTKBT_ERR("%s: Failed to check extension section signature", __func__);
+        need_download_fw = 0;
+    } else {
+        uint8_t *temp;
+        temp = epatch_buf+buf_len-config_len - 5;
+        do {
+            if (*temp == 0x00) {
+                patch_lmp.opcode = *temp;
+                patch_lmp.length = *(temp-1);
+                if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) {
+                    int k;
+                    for (k = 0; k < patch_lmp.length; k++) {
+                        *(patch_lmp.data+k) = *(temp-2-k);
+                        RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k));
+                    }
+                }
+                RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__,
+                    patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data));
+                break;
+            }
+            temp -= *(temp-1) + 2;
+        } while (*temp != 0xFF);
+
+        if (lmp_version != project_id[*(patch_lmp.data)]) {
+            RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+                "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]);
+            if (patch_lmp.data)
+                kfree(patch_lmp.data);
+            need_download_fw = 0;
+        } else {
+            RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+                "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]);
+            if (patch_lmp.data)
+                kfree(patch_lmp.data);
+            if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
+                RTKBT_ERR("%s: Check signature error", __func__);
+                need_download_fw = 0;
+            } else {
+                epatch_info = (struct rtk_epatch*)epatch_buf;
+                patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version;
+
+                RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, "
+                    "number_of_total_patch %d", __func__,
+                    patch_entry->lmp_sub, epatch_info->fw_version,
+                    epatch_info->number_of_total_patch);
+
+             /* Get right epatch entry */
+                p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion);
+                if (p_epatch_entry == NULL) {
+                    RTKBT_WARN("%s: Failed to get fw patch entry", __func__);
+                    ret_val = -1;
+                    goto fw_fail ;
+                }
+
+                buf_len = p_epatch_entry->patch_length + config_len;
+                RTKBT_DBG("buf_len = 0x%x", buf_len);
+
+                if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
+                    RTKBT_ERR("%s: Can't alloc memory for  fw&config", __func__);
+                    buf_len = -1;
+                } else {
+                    memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length);
+                    memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4);
+                    kfree(p_epatch_entry);
+                }
+                vfree(epatch_buf);
+                RTKBT_INFO("%s: vfree(epatch_buf)", __func__);
+                epatch_buf = NULL;
+
+                if (config_len)
+                    memcpy(&buf[buf_len - config_len], config_file_buf, config_len);
+            }
+        }
+    }
+
+    if (config_file_buf){
+        vfree(config_file_buf);
+        config_file_buf = NULL;
+        RTKBT_INFO("%s: vfree(config_file_buf)", __func__);
+        }
+
+    RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__,
+            (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not");
+
+    if (buf && buf_len > 0 && need_download_fw)
+        *buff = buf;
+
+    RTKBT_DBG("%s: done", __func__);
+
+    return buf_len;
 
-       if (cached > 0) {
-               if (patch_entry->fw_len > 0) {
-                       fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);
-                       if (!fw_info->fw_data)
-                               return -ENOMEM;
-                       memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len);
-                       fw_info->fw_len = patch_entry->fw_len;
-               } else {
-                       fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
-                       if (fw_info->fw_len <= 0)
-                               return -1;
-               }
-       } else {
-               fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
-               if (fw_info->fw_len <= 0)
-                       return -1;
-       }
+fw_fail:
+    if (config_file_buf){
+        vfree(config_file_buf);
+        config_file_buf = NULL;
+        }
+    RTKBT_INFO("%s: fw_fail vfree(config_file_buf)", __func__);
+    return ret_val;
+}
+#endif
 
-       return 0;
+int get_firmware(firmware_info *fw_info, int cached)
+{
+    patch_info *patch_entry = fw_info->patch_entry;
+
+    RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len);
+
+    if (cached > 0) {
+        if (patch_entry->fw_len > 0) {
+            fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);
+            if (!fw_info->fw_data)
+                return -ENOMEM;
+            memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len);
+            fw_info->fw_len = patch_entry->fw_len;
+        } else {
+            fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
+            if (fw_info->fw_len <= 0)
+                return -1;
+        }
+    } else {
+        fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
+        if (fw_info->fw_len <= 0)
+            return -1;
+    }
+
+    return 0;
+}
+
+#if SUSPNED_DW_FW
+static int get_suspend_firmware(firmware_info *fw_info, int cached)
+{
+    patch_info *patch_entry = fw_info->patch_entry;
+
+    RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len);
+
+    if (cached > 0) {
+        if (patch_entry->fw_len > 0) {
+            fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);
+            if (!fw_info->fw_data)
+                return -ENOMEM;
+            memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len);
+            fw_info->fw_len = patch_entry->fw_len;
+        } else {
+            fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data);
+            if (fw_info->fw_len <= 0)
+                return -1;
+        }
+    } else {
+        fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data);
+        if (fw_info->fw_len <= 0)
+            return -1;
+    }
+
+    return 0;
 }
+#endif
 
 /*
  * Open the log message only if in debugging,
@@ -1596,1042 +2091,1212 @@ int get_firmware(firmware_info *fw_info, int cached)
  */
 int download_data(firmware_info *fw_info)
 {
-       download_cp *cmd_para;
-       download_rp *evt_para;
-       uint8_t *pcur;
-       int pkt_len, frag_num, frag_len;
-       int i, ret_val;
-       int ncmd = 1, step = 1;
-
-       RTKBT_DBG("%s: start", __func__);
-
-       cmd_para = (download_cp *)fw_info->req_para;
-       evt_para = (download_rp *)fw_info->rsp_para;
-       pcur = fw_info->fw_data;
-       pkt_len = CMD_HDR_LEN + sizeof(download_cp);
-       frag_num = fw_info->fw_len / PATCH_SEG_MAX + 1;
-       frag_len = PATCH_SEG_MAX;
-
-       for (i = 0; i < frag_num; i++) {
-               cmd_para->index = i;
-               if (i == (frag_num - 1)) {
-                       cmd_para->index |= DATA_END;
-                       frag_len = fw_info->fw_len % PATCH_SEG_MAX;
-                       pkt_len -= (PATCH_SEG_MAX - frag_len);
-               }
-               fw_info->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);
-               fw_info->cmd_hdr->plen = sizeof(uint8_t) + frag_len;
-               fw_info->pkt_len = pkt_len;
-               memcpy(cmd_para->data, pcur, frag_len);
-
-               if (step > 0) {
-                       ret_val = send_hci_cmd(fw_info);
-                       if (ret_val < 0) {
-                               RTKBT_DBG("%s: Failed to send frag num %d", __func__, cmd_para->index);
-                               return ret_val;
-                       } else
-                               RTKBT_DBG("%s: Send frag num %d", __func__, cmd_para->index);
-
-                       if (--step > 0 && i < frag_num - 1) {
-                               RTKBT_DBG("%s: Continue to send frag num %d", __func__, cmd_para->index + 1);
-                               pcur += PATCH_SEG_MAX;
-                               continue;
-                       }
-               }
-
-               while (ncmd > 0) {
-                       ret_val = rcv_hci_evt(fw_info);
-                       if (ret_val < 0) {
-                               RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
-                               return ret_val;
-                       } else {
-                               RTKBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->index);
-                               ncmd--;
-                       }
-
-                       if (0 != evt_para->status) {
-                               RTKBT_ERR("%s: Receive acked frag num %d, err status %d",
-                                               __func__, ret_val, evt_para->status);
-                               return -1;
-                       }
-
-                       if ((evt_para->index & DATA_END) || (evt_para->index == frag_num - 1)) {
-                               RTKBT_DBG("%s: Receive last acked index %d", __func__, evt_para->index);
-                               goto end;
-                       }
-               }
-
-               ncmd = step = fw_info->cmd_cmp->ncmd;
-               pcur += PATCH_SEG_MAX;
-               RTKBT_DBG("%s: HCI command packet num %d", __func__, ncmd);
-       }
-
-       /*
-        * It is tricky that Host cannot receive DATA_END index from BT
-        * controller, at least for 8723au. We are doomed if failed.
-        */
+    download_cp *cmd_para;
+    download_rp *evt_para;
+    uint8_t *pcur;
+    int pkt_len, frag_num, frag_len;
+    int i, ret_val;
+    int ncmd = 1, step = 1;
+
+    RTKBT_DBG("%s: start", __func__);
+
+    cmd_para = (download_cp *)fw_info->req_para;
+    evt_para = (download_rp *)fw_info->rsp_para;
+    pcur = fw_info->fw_data;
+    pkt_len = CMD_HDR_LEN + sizeof(download_cp);
+    frag_num = fw_info->fw_len / PATCH_SEG_MAX + 1;
+    frag_len = PATCH_SEG_MAX;
+
+    for (i = 0; i < frag_num; i++) {
+        cmd_para->index = i?((i-1)%0x7f+1):0;
+        if (i == (frag_num - 1)) {
+            cmd_para->index |= DATA_END;
+            frag_len = fw_info->fw_len % PATCH_SEG_MAX;
+            pkt_len -= (PATCH_SEG_MAX - frag_len);
+        }
+        fw_info->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);
+        fw_info->cmd_hdr->plen = sizeof(uint8_t) + frag_len;
+        fw_info->pkt_len = pkt_len;
+        memcpy(cmd_para->data, pcur, frag_len);
+
+        if (step > 0) {
+            ret_val = send_hci_cmd(fw_info);
+            if (ret_val < 0) {
+                RTKBT_DBG("%s: Failed to send frag num %d", __func__, cmd_para->index);
+                return ret_val;
+            } else
+                RTKBT_DBG("%s: Send frag num %d", __func__, cmd_para->index);
+
+            if (--step > 0 && i < frag_num - 1) {
+                RTKBT_DBG("%s: Continue to send frag num %d", __func__, cmd_para->index + 1);
+                pcur += PATCH_SEG_MAX;
+                continue;
+            }
+        }
+
+        while (ncmd > 0) {
+            ret_val = rcv_hci_evt(fw_info);
+            if (ret_val < 0) {
+                RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+                return ret_val;
+            } else {
+                RTKBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->index);
+                ncmd--;
+            }
+
+            if (0 != evt_para->status) {
+                RTKBT_ERR("%s: Receive acked frag num %d, err status %d",
+                        __func__, ret_val, evt_para->status);
+                return -1;
+            }
+
+            if ((evt_para->index & DATA_END) || (evt_para->index == frag_num - 1)) {
+                RTKBT_DBG("%s: Receive last acked index %d", __func__, evt_para->index);
+                goto end;
+            }
+        }
+
+        ncmd = step = fw_info->cmd_cmp->ncmd;
+        pcur += PATCH_SEG_MAX;
+        RTKBT_DBG("%s: HCI command packet num %d", __func__, ncmd);
+    }
+
+    /*
+     * It is tricky that Host cannot receive DATA_END index from BT
+     * controller, at least for 8723au. We are doomed if failed.
+     */
 #if 0
-       /* Continue to receive the responsed events until last index occurs */
-       if (i == frag_num) {
-               RTKBT_DBG("%s: total frag count %d", __func__, frag_num);
-               while (!(evt_para->index & DATA_END)) {
-                       ret_val = rcv_hci_evt(fw_info);
-                       if (ret_val < 0) {
-                               RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
-                               return ret_val;
-                       }
-                       if (0 != evt_para->status)
-                               return -1;
-                       RTKBT_DBG("%s: continue to receive acked frag num %d", __func__, evt_para->index);
-               }
-       }
+    /* Continue to receive the responsed events until last index occurs */
+    if (i == frag_num) {
+        RTKBT_DBG("%s: total frag count %d", __func__, frag_num);
+        while (!(evt_para->index & DATA_END)) {
+            ret_val = rcv_hci_evt(fw_info);
+            if (ret_val < 0) {
+                RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+                return ret_val;
+            }
+            if (0 != evt_para->status)
+                return -1;
+            RTKBT_DBG("%s: continue to receive acked frag num %d", __func__, evt_para->index);
+        }
+    }
 #endif
 end:
-       RTKBT_INFO("%s: done, sent %d frag pkts, received %d frag events",
-                       __func__, cmd_para->index, evt_para->index);
-       return fw_info->fw_len;
+    RTKBT_INFO("%s: done, sent %d frag pkts, received %d frag events",
+            __func__, cmd_para->index, evt_para->index);
+    return fw_info->fw_len;
 }
 
 int download_patch(firmware_info *fw_info, int cached)
 {
-       int ret_val = 0;
-
-       RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached);
-
-       if (!fw_info || !fw_info->patch_entry) {
-               RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
-               ret_val = -1;
-               goto end;
-       }
-
-       /*
-        * step1: get local firmware if existed
-        * step2: check firmware version
-        * step3: download firmware if updated
-        */
-       ret_val = get_firmware(fw_info, cached);
-       if (ret_val < 0) {
-               RTKBT_ERR("%s: Failed to get firmware", __func__);
-               goto end;
-       }
-
-       ret_val = check_fw_version(fw_info);
-       if (ret_val > 0) {
-               ret_val = download_data(fw_info);
-               if (ret_val > 0)
-                       RTKBT_DBG("%s: Download fw patch done, fw len %d", __func__, ret_val);
-       }
-       /* Free fw data after download finished */
-       kfree(fw_info->fw_data);
-       fw_info->fw_data = NULL;
+    int ret_val = 0;
+
+    RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached);
+
+    if (!fw_info || !fw_info->patch_entry) {
+        RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
+        ret_val = -1;
+        goto end;
+    }
+
+    /*
+     * step1: get local firmware if existed
+     * step2: check firmware version
+     * step3: download firmware if updated
+     */
+    ret_val = get_firmware(fw_info, cached);
+    if (ret_val < 0) {
+        RTKBT_ERR("%s: Failed to get firmware", __func__);
+        goto end;
+    }
+
+#if SUSPNED_DW_FW
+    if(fw_info_4_suspend) {
+        RTKBT_DBG("%s: get suspend fw first cached %d", __func__, cached);
+        ret_val = get_suspend_firmware(fw_info_4_suspend, cached);
+        if (ret_val < 0) {
+            RTKBT_ERR("%s: Failed to get suspend firmware", __func__);
+            goto end;
+        }
+    }
+#endif
+
+    /*check the length of fw to be download*/
+    RTKBT_DBG("%s: Check fw_info->fw_len:%d max_patch_size %d", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size);
+    if (fw_info->fw_len > fw_info->patch_entry->max_patch_size) {
+        RTKBT_ERR("%s: Total length of fw&config(%08x) larger than max_patch_size 0x%08x", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size);
+        ret_val = -1;
+        goto free;
+    }
+
+    ret_val = check_fw_version(fw_info);
+
+    if (2 == ret_val) {
+        RTKBT_ERR("%s: Cold reset bt chip only download", __func__);
+        ret_val = download_data(fw_info);
+        if (ret_val > 0)
+            RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+    } else if(1 == ret_val){
+        //   reset bt chip to update Fw patch
+        ret_val = reset_controller(fw_info);
+        RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val);
+        ret_val = download_data(fw_info);
+        if (ret_val > 0)
+                RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+    }
+
+
+free:
+    /* Free fw data after download finished */
+    kfree(fw_info->fw_data);
+    fw_info->fw_data = NULL;
 
 end:
-       return ret_val;
+    return ret_val;
 }
 
+#if SUSPNED_DW_FW
+static int download_suspend_patch(firmware_info *fw_info, int cached)
+{
+    int ret_val = 0;
+
+    RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached);
+
+    if (!fw_info || !fw_info->patch_entry) {
+        RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
+        ret_val = -1;
+        goto end;
+    }
+
+    /*check the length of fw to be download*/
+    RTKBT_DBG("%s:Check RTK_PATCH_LENGTH fw_info->fw_len:%d", __func__,fw_info->fw_len);
+    if (fw_info->fw_len > RTK_PATCH_LENGTH_MAX || fw_info->fw_len == 0) {
+        RTKBT_ERR("%s: Total length of fw&config larger than allowed 24K or no fw len:%d", __func__, fw_info->fw_len);
+        ret_val = -1;
+        goto free;
+    }
+
+    ret_val = check_fw_version(fw_info);
+
+    if (2 == ret_val) {
+        RTKBT_ERR("%s: Cold reset bt chip only download", __func__);
+        ret_val = download_data(fw_info);
+        if (ret_val > 0)
+            RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+    } else if(1 == ret_val){
+        //   reset bt chip to update Fw patch
+        ret_val = reset_controller(fw_info);
+        RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val);
+        ret_val = download_data(fw_info);
+        if (ret_val > 0)
+                RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+    }
+
+
+free:
+    /* Free fw data after download finished */
+    kfree(fw_info->fw_data);
+    fw_info->fw_data = NULL;
+
+end:
+    return ret_val;
+}
+
+static void suspend_firmware_info_init(firmware_info *fw_info)
+{
+    RTKBT_DBG("%s: start", __func__);
+    if(!fw_info)
+        return;
+
+    fw_info_4_suspend= kzalloc(sizeof(*fw_info), GFP_KERNEL);
+    if (!fw_info_4_suspend)
+        goto error;
+
+    fw_info_4_suspend->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+    if (!fw_info_4_suspend->send_pkt) {
+        kfree(fw_info_4_suspend);
+        goto error;
+    }
+
+    fw_info_4_suspend->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+    if (!fw_info_4_suspend->rcv_pkt) {
+        kfree(fw_info_4_suspend->send_pkt);
+        kfree(fw_info_4_suspend);
+        goto error;
+    }
+
+    fw_info_4_suspend->patch_entry = get_suspend_fw_table_entry(fw_info->udev);
+    if (!fw_info_4_suspend->patch_entry) {
+        kfree(fw_info_4_suspend->rcv_pkt);
+        kfree(fw_info_4_suspend->send_pkt);
+        kfree(fw_info_4_suspend);
+        goto error;
+    }
+
+    fw_info_4_suspend->intf = fw_info->intf;
+    fw_info_4_suspend->udev = fw_info->udev;
+    fw_info_4_suspend->cmd_hdr = (struct hci_command_hdr *)(fw_info_4_suspend->send_pkt);
+    fw_info_4_suspend->evt_hdr = (struct hci_event_hdr *)(fw_info_4_suspend->rcv_pkt);
+    fw_info_4_suspend->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN);
+    fw_info_4_suspend->req_para = fw_info_4_suspend->send_pkt + CMD_HDR_LEN;
+    fw_info_4_suspend->rsp_para = fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
+    fw_info_4_suspend->pipe_in = fw_info->pipe_in;
+    fw_info_4_suspend->pipe_out = fw_info->pipe_out;
+
+    return;
+error:
+    RTKBT_DBG("%s: fail !", __func__);
+    fw_info_4_suspend = NULL;
+    return;
+}
+#endif
+
+#if SET_WAKEUP_DEVICE
+static void set_wakeup_device_from_conf(firmware_info *fw_info)
+{
+    uint8_t paired_wakeup_bdaddr[7];
+    uint8_t num = 0;
+    int i;
+    struct file *fp;
+    mm_segment_t fs;
+    loff_t pos;
+
+    memset(paired_wakeup_bdaddr, 0, 7);
+    fp = filp_open(SET_WAKEUP_DEVICE_CONF, O_RDWR, 0);
+    if (!IS_ERR(fp)) {
+        fs = get_fs();
+        set_fs(KERNEL_DS);
+        pos = 0;
+        //read number
+        vfs_read(fp, &num, 1, &pos);
+        RTKBT_DBG("read number = %d", num);
+        if(num) {
+            for(i = 0; i < num; i++) {
+            vfs_read(fp, paired_wakeup_bdaddr, 7, &pos);
+            RTKBT_DBG("paired_wakeup_bdaddr: 0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x",
+                paired_wakeup_bdaddr[1],paired_wakeup_bdaddr[2],paired_wakeup_bdaddr[3],
+                paired_wakeup_bdaddr[4],paired_wakeup_bdaddr[5],paired_wakeup_bdaddr[6]);
+            set_wakeup_device(fw_info, paired_wakeup_bdaddr);
+            }
+        }
+        filp_close(fp, NULL);
+        set_fs(fs);
+    }
+    else {
+        RTKBT_ERR("open wakeup config file fail! errno = %ld", PTR_ERR(fp));
+    }
+}
+#endif
+
 firmware_info *firmware_info_init(struct usb_interface *intf)
 {
-       struct usb_device *udev = interface_to_usbdev(intf);
-       firmware_info *fw_info;
-
-       RTKBT_DBG("%s: start", __func__);
-
-       fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL);
-       if (!fw_info)
-               return NULL;
-
-       fw_info->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
-       if (!fw_info->send_pkt) {
-               kfree(fw_info);
-               return NULL;
-       }
-
-       fw_info->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
-       if (!fw_info->rcv_pkt) {
-               kfree(fw_info->send_pkt);
-               kfree(fw_info);
-               return NULL;
-       }
-
-       fw_info->patch_entry = get_fw_table_entry(udev);
-       if (!fw_info->patch_entry) {
-               kfree(fw_info->rcv_pkt);
-               kfree(fw_info->send_pkt);
-               kfree(fw_info);
-               return NULL;
-       }
-
-       fw_info->intf = intf;
-       fw_info->udev = udev;
-       fw_info->pipe_in = usb_rcvintpipe(fw_info->udev, INTR_EP);
-       fw_info->pipe_out = usb_sndctrlpipe(fw_info->udev, CTRL_EP);
-       fw_info->cmd_hdr = (struct hci_command_hdr *)(fw_info->send_pkt);
-       fw_info->evt_hdr = (struct hci_event_hdr *)(fw_info->rcv_pkt);
-       fw_info->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info->rcv_pkt + EVT_HDR_LEN);
-       fw_info->req_para = fw_info->send_pkt + CMD_HDR_LEN;
-       fw_info->rsp_para = fw_info->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
+    struct usb_device *udev = interface_to_usbdev(intf);
+    firmware_info *fw_info;
+
+    RTKBT_DBG("%s: start", __func__);
+
+    fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL);
+    if (!fw_info)
+        return NULL;
+
+    fw_info->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+    if (!fw_info->send_pkt) {
+        kfree(fw_info);
+        return NULL;
+    }
+
+    fw_info->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+    if (!fw_info->rcv_pkt) {
+        kfree(fw_info->send_pkt);
+        kfree(fw_info);
+        return NULL;
+    }
+
+    fw_info->patch_entry = get_fw_table_entry(udev);
+    if (!fw_info->patch_entry) {
+        kfree(fw_info->rcv_pkt);
+        kfree(fw_info->send_pkt);
+        kfree(fw_info);
+        return NULL;
+    }
+
+    fw_info->intf = intf;
+    fw_info->udev = udev;
+    fw_info->pipe_in = usb_rcvintpipe(fw_info->udev, INTR_EP);
+    fw_info->pipe_out = usb_sndctrlpipe(fw_info->udev, CTRL_EP);
+    fw_info->cmd_hdr = (struct hci_command_hdr *)(fw_info->send_pkt);
+    fw_info->evt_hdr = (struct hci_event_hdr *)(fw_info->rcv_pkt);
+    fw_info->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info->rcv_pkt + EVT_HDR_LEN);
+    fw_info->req_para = fw_info->send_pkt + CMD_HDR_LEN;
+    fw_info->rsp_para = fw_info->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
+
+#if SUSPNED_DW_FW
+    suspend_firmware_info_init(fw_info);
+#endif
 
 #if BTUSB_RPM
-       RTKBT_INFO("%s: Auto suspend is enabled", __func__);
-       usb_enable_autosuspend(udev);
-       pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
+    RTKBT_INFO("%s: Auto suspend is enabled", __func__);
+    usb_enable_autosuspend(udev);
+    pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
 #else
-       RTKBT_INFO("%s: Auto suspend is disabled", __func__);
-       usb_disable_autosuspend(udev);
+    RTKBT_INFO("%s: Auto suspend is disabled", __func__);
+    usb_disable_autosuspend(udev);
 #endif
 
 #if BTUSB_WAKEUP_HOST
-       device_wakeup_enable(&udev->dev);
+    device_wakeup_enable(&udev->dev);
 #endif
 
-       return fw_info;
+    return fw_info;
 }
 
 void firmware_info_destroy(struct usb_interface *intf)
 {
-       firmware_info *fw_info;
-       struct usb_device *udev;
-       struct btusb_data *data;
+    firmware_info *fw_info;
+    struct usb_device *udev;
+    struct btusb_data *data;
 
-       udev = interface_to_usbdev(intf);
-       data = usb_get_intfdata(intf);
+    udev = interface_to_usbdev(intf);
+    data = usb_get_intfdata(intf);
 
-       fw_info = data->fw_info;
-       if (!fw_info)
-               return;
+    fw_info = data->fw_info;
+    if (!fw_info)
+        return;
 
 #if BTUSB_RPM
-       usb_disable_autosuspend(udev);
+    usb_disable_autosuspend(udev);
 #endif
 
-       /*
-        * In order to reclaim fw data mem, we free fw_data immediately
-        * after download patch finished instead of here.
-        */
-       kfree(fw_info->rcv_pkt);
-       kfree(fw_info->send_pkt);
-       kfree(fw_info);
+    /*
+     * In order to reclaim fw data mem, we free fw_data immediately
+     * after download patch finished instead of here.
+     */
+    kfree(fw_info->rcv_pkt);
+    kfree(fw_info->send_pkt);
+    kfree(fw_info);
+
+#if SUSPNED_DW_FW
+    if (!fw_info_4_suspend)
+        return;
+
+    kfree(fw_info_4_suspend->rcv_pkt);
+    kfree(fw_info_4_suspend->send_pkt);
+    kfree(fw_info_4_suspend);
+       fw_info_4_suspend = NULL;
+#endif
 }
 
 static struct usb_driver btusb_driver;
 
 static struct usb_device_id btusb_table[] = {
-       { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
-                                        USB_DEVICE_ID_MATCH_INT_INFO,
-         .idVendor = 0x0bda,
-         .bInterfaceClass = 0xe0,
-         .bInterfaceSubClass = 0x01,
-         .bInterfaceProtocol = 0x01 },
-
-       { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
-                                        USB_DEVICE_ID_MATCH_INT_INFO,
-         .idVendor = 0x13d3,
-         .bInterfaceClass = 0xe0,
-         .bInterfaceSubClass = 0x01,
-         .bInterfaceProtocol = 0x01 },
-
-       { }
+    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+                     USB_DEVICE_ID_MATCH_INT_INFO,
+      .idVendor = 0x0bda,
+      .bInterfaceClass = 0xe0,
+      .bInterfaceSubClass = 0x01,
+      .bInterfaceProtocol = 0x01 },
+
+    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+                     USB_DEVICE_ID_MATCH_INT_INFO,
+      .idVendor = 0x13d3,
+      .bInterfaceClass = 0xe0,
+      .bInterfaceSubClass = 0x01,
+      .bInterfaceProtocol = 0x01 },
+
+    { }
 };
 
 MODULE_DEVICE_TABLE(usb, btusb_table);
 
 static int inc_tx(struct btusb_data *data)
 {
-       unsigned long flags;
-       int rv;
+    unsigned long flags;
+    int rv;
 
-       spin_lock_irqsave(&data->txlock, flags);
-       rv = test_bit(BTUSB_SUSPENDING, &data->flags);
-       if (!rv)
-               data->tx_in_flight++;
-       spin_unlock_irqrestore(&data->txlock, flags);
+    spin_lock_irqsave(&data->txlock, flags);
+    rv = test_bit(BTUSB_SUSPENDING, &data->flags);
+    if (!rv)
+        data->tx_in_flight++;
+    spin_unlock_irqrestore(&data->txlock, flags);
 
-       return rv;
+    return rv;
 }
 
 void check_sco_event(struct urb *urb)
 {
-       u8* opcode = (u8*)(urb->transfer_buffer);
-       u8 status;
-       static uint16_t sco_handle = 0;
-       uint16_t handle;
-       struct hci_dev *hdev = urb->context;
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-
-       switch (*opcode) {
-       case HCI_EV_SYNC_CONN_COMPLETE:
-               RTKBT_INFO("%s: HCI_EV_SYNC_CONN_COMPLETE(0x%02x)", __func__, *opcode);
-               status = *(opcode + 2);
-               sco_handle = *(opcode + 3) | *(opcode + 4) << 8;
-               if (status == 0) {
-                       hdev->conn_hash.sco_num++;
-                       schedule_work(&data->work);
-               }
-               break;
-       case HCI_EV_DISCONN_COMPLETE:
-               RTKBT_INFO("%s: HCI_EV_DISCONN_COMPLETE(0x%02x)", __func__, *opcode);
-               status = *(opcode + 2);
-               handle = *(opcode + 3) | *(opcode + 4) << 8;
-               if (status == 0 && sco_handle == handle) {
-                       hdev->conn_hash.sco_num--;
-                       schedule_work(&data->work);
-               }
-               break;
-       default:
-               RTKBT_DBG("%s: event 0x%02x", __func__, *opcode);
-               break;
-       }
+    u8* opcode = (u8*)(urb->transfer_buffer);
+    u8 status;
+    static uint16_t sco_handle = 0;
+    uint16_t handle;
+    struct hci_dev *hdev = urb->context;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+
+    switch (*opcode) {
+    case HCI_EV_SYNC_CONN_COMPLETE:
+        RTKBT_INFO("%s: HCI_EV_SYNC_CONN_COMPLETE(0x%02x)", __func__, *opcode);
+        status = *(opcode + 2);
+        sco_handle = *(opcode + 3) | *(opcode + 4) << 8;
+        if (status == 0) {
+            hdev->conn_hash.sco_num++;
+            schedule_work(&data->work);
+        }
+        break;
+    case HCI_EV_DISCONN_COMPLETE:
+        RTKBT_INFO("%s: HCI_EV_DISCONN_COMPLETE(0x%02x)", __func__, *opcode);
+        status = *(opcode + 2);
+        handle = *(opcode + 3) | *(opcode + 4) << 8;
+        if (status == 0 && sco_handle == handle) {
+            hdev->conn_hash.sco_num--;
+            schedule_work(&data->work);
+        }
+        break;
+    default:
+        RTKBT_DBG("%s: event 0x%02x", __func__, *opcode);
+        break;
+    }
 }
 
 static void btusb_intr_complete(struct urb *urb)
 {
-       struct hci_dev *hdev = urb->context;
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       int err;
+    struct hci_dev *hdev = urb->context;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    int err;
 
-       RTKBT_DBG("%s: urb %p status %d count %d ", __func__,
-                       urb, urb->status, urb->actual_length);
+    RTKBT_DBG("%s: urb %p status %d count %d ", __func__,
+            urb, urb->status, urb->actual_length);
 
-       check_sco_event(urb);
+//    check_sco_event(urb);
 
-       if (!test_bit(HCI_RUNNING, &hdev->flags))
-               return;
+    if (!test_bit(HCI_RUNNING, &hdev->flags))
+        return;
 
-       
-       if (urb->status == 0) {
-               hdev->stat.byte_rx += urb->actual_length;
 
-               if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
-                                               urb->transfer_buffer,
-                                               urb->actual_length) < 0) {
-                       RTKBT_ERR("%s: Corrupted event packet", __func__);
-                       hdev->stat.err_rx++;
-               }
-       }
-       /* Avoid suspend failed when usb_kill_urb */
-       else if(urb->status == -ENOENT) {
-               return;
-       }
+    if (urb->status == 0) {
+        hdev->stat.byte_rx += urb->actual_length;
 
+        if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
+                        urb->transfer_buffer,
+                        urb->actual_length) < 0) {
+            RTKBT_ERR("%s: Corrupted event packet", __func__);
+            hdev->stat.err_rx++;
+        }
+    }
+    /* Avoid suspend failed when usb_kill_urb */
+    else if(urb->status == -ENOENT)    {
+        return;
+    }
 
-       if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
-               return;
 
-       usb_mark_last_busy(data->udev);
-       usb_anchor_urb(urb, &data->intr_anchor);
+    if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
+        return;
 
-       err = usb_submit_urb(urb, GFP_ATOMIC);
-       if (err < 0) {
-               /* EPERM: urb is being killed;
-                * ENODEV: device got disconnected */
-               if (err != -EPERM && err != -ENODEV)
-                       RTKBT_ERR("%s: Failed to re-submit urb %p, err %d",
-                                       __func__, urb, err);
-               usb_unanchor_urb(urb);
-       }
+    usb_mark_last_busy(data->udev);
+    usb_anchor_urb(urb, &data->intr_anchor);
+
+    err = usb_submit_urb(urb, GFP_ATOMIC);
+    if (err < 0) {
+        /* EPERM: urb is being killed;
+         * ENODEV: device got disconnected */
+        if (err != -EPERM && err != -ENODEV)
+            RTKBT_ERR("%s: Failed to re-submit urb %p, err %d",
+                    __func__, urb, err);
+        usb_unanchor_urb(urb);
+    }
 }
 
 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       struct urb *urb;
-       unsigned char *buf;
-       unsigned int pipe;
-       int err, size;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct urb *urb;
+    unsigned char *buf;
+    unsigned int pipe;
+    int err, size;
 
-       if (!data->intr_ep)
-               return -ENODEV;
+    if (!data->intr_ep)
+        return -ENODEV;
 
-       urb = usb_alloc_urb(0, mem_flags);
-       if (!urb)
-               return -ENOMEM;
+    urb = usb_alloc_urb(0, mem_flags);
+    if (!urb)
+        return -ENOMEM;
 
-       size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+    size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
 
-       buf = kmalloc(size, mem_flags);
-       if (!buf) {
-               usb_free_urb(urb);
-               return -ENOMEM;
-       }
+    buf = kmalloc(size, mem_flags);
+    if (!buf) {
+        usb_free_urb(urb);
+        return -ENOMEM;
+    }
 
-       RTKBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x",
-                       __func__, size, data->intr_ep->bEndpointAddress);
+    RTKBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x",
+            __func__, size, data->intr_ep->bEndpointAddress);
 
-       pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
+    pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
 
-       usb_fill_int_urb(urb, data->udev, pipe, buf, size,
-                                               btusb_intr_complete, hdev,
-                                               data->intr_ep->bInterval);
+    usb_fill_int_urb(urb, data->udev, pipe, buf, size,
+                        btusb_intr_complete, hdev,
+                        data->intr_ep->bInterval);
 
-       urb->transfer_flags |= URB_FREE_BUFFER;
+    urb->transfer_flags |= URB_FREE_BUFFER;
 
-       usb_anchor_urb(urb, &data->intr_anchor);
+    usb_anchor_urb(urb, &data->intr_anchor);
 
-       err = usb_submit_urb(urb, mem_flags);
-       if (err < 0) {
-               RTKBT_ERR("%s: Failed to submit urb %p, err %d",
-                               __func__, urb, err);
-               usb_unanchor_urb(urb);
-       }
+    err = usb_submit_urb(urb, mem_flags);
+    if (err < 0) {
+        RTKBT_ERR("%s: Failed to submit urb %p, err %d",
+                __func__, urb, err);
+        usb_unanchor_urb(urb);
+    }
 
-       usb_free_urb(urb);
+    usb_free_urb(urb);
 
-       return err;
+    return err;
 }
 
 static void btusb_bulk_complete(struct urb *urb)
 {
-       struct hci_dev *hdev = urb->context;
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       int err;
+    struct hci_dev *hdev = urb->context;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    int err;
 
-       RTKBT_DBG("%s: urb %p status %d count %d",
-                       __func__, urb, urb->status, urb->actual_length);
+    RTKBT_DBG("%s: urb %p status %d count %d",
+            __func__, urb, urb->status, urb->actual_length);
 
-       if (!test_bit(HCI_RUNNING, &hdev->flags))
-               return;
+    if (!test_bit(HCI_RUNNING, &hdev->flags))
+        return;
 
-       if (urb->status == 0) {
-               hdev->stat.byte_rx += urb->actual_length;
+    if (urb->status == 0) {
+        hdev->stat.byte_rx += urb->actual_length;
 
-               if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
-                                               urb->transfer_buffer,
-                                               urb->actual_length) < 0) {
-                       RTKBT_ERR("%s: Corrupted ACL packet", __func__);
-                       hdev->stat.err_rx++;
-               }
-       }
-       /* Avoid suspend failed when usb_kill_urb */
-       else if(urb->status == -ENOENT) {
-               return;
-       }
+        if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
+                        urb->transfer_buffer,
+                        urb->actual_length) < 0) {
+            RTKBT_ERR("%s: Corrupted ACL packet", __func__);
+            hdev->stat.err_rx++;
+        }
+    }
+    /* Avoid suspend failed when usb_kill_urb */
+    else if(urb->status == -ENOENT)    {
+        return;
+    }
 
 
-       if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
-               return;
+    if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
+        return;
 
-       usb_anchor_urb(urb, &data->bulk_anchor);
-       usb_mark_last_busy(data->udev);
+    usb_anchor_urb(urb, &data->bulk_anchor);
+    usb_mark_last_busy(data->udev);
 
-       err = usb_submit_urb(urb, GFP_ATOMIC);
-       if (err < 0) {
-               /* -EPERM: urb is being killed;
-                * -ENODEV: device got disconnected */
-               if (err != -EPERM && err != -ENODEV)
-                       RTKBT_ERR("btusb_bulk_complete %s urb %p failed to resubmit (%d)",
-                                               hdev->name, urb, -err);
-               usb_unanchor_urb(urb);
-       }
+    err = usb_submit_urb(urb, GFP_ATOMIC);
+    if (err < 0) {
+        /* -EPERM: urb is being killed;
+         * -ENODEV: device got disconnected */
+        if (err != -EPERM && err != -ENODEV)
+            RTKBT_ERR("btusb_bulk_complete %s urb %p failed to resubmit (%d)",
+                        hdev->name, urb, -err);
+        usb_unanchor_urb(urb);
+    }
 }
 
 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       struct urb *urb;
-       unsigned char *buf;
-       unsigned int pipe;
-       int err, size = HCI_MAX_FRAME_SIZE;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct urb *urb;
+    unsigned char *buf;
+    unsigned int pipe;
+    int err, size = HCI_MAX_FRAME_SIZE;
 
-       RTKBT_DBG("%s: hdev name %s", __func__, hdev->name);
+    RTKBT_DBG("%s: hdev name %s", __func__, hdev->name);
 
-       if (!data->bulk_rx_ep)
-               return -ENODEV;
+    if (!data->bulk_rx_ep)
+        return -ENODEV;
 
-       urb = usb_alloc_urb(0, mem_flags);
-       if (!urb)
-               return -ENOMEM;
+    urb = usb_alloc_urb(0, mem_flags);
+    if (!urb)
+        return -ENOMEM;
 
-       buf = kmalloc(size, mem_flags);
-       if (!buf) {
-               usb_free_urb(urb);
-               return -ENOMEM;
-       }
+    buf = kmalloc(size, mem_flags);
+    if (!buf) {
+        usb_free_urb(urb);
+        return -ENOMEM;
+    }
 
-       pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
+    pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
 
-       usb_fill_bulk_urb(urb, data->udev, pipe,
-                                       buf, size, btusb_bulk_complete, hdev);
+    usb_fill_bulk_urb(urb, data->udev, pipe,
+                    buf, size, btusb_bulk_complete, hdev);
 
-       urb->transfer_flags |= URB_FREE_BUFFER;
+    urb->transfer_flags |= URB_FREE_BUFFER;
 
-       usb_mark_last_busy(data->udev);
-       usb_anchor_urb(urb, &data->bulk_anchor);
+    usb_mark_last_busy(data->udev);
+    usb_anchor_urb(urb, &data->bulk_anchor);
 
-       err = usb_submit_urb(urb, mem_flags);
-       if (err < 0) {
-               RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
-               usb_unanchor_urb(urb);
-       }
+    err = usb_submit_urb(urb, mem_flags);
+    if (err < 0) {
+        RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
+        usb_unanchor_urb(urb);
+    }
 
-       usb_free_urb(urb);
+    usb_free_urb(urb);
 
-       return err;
+    return err;
 }
 
 static void btusb_isoc_complete(struct urb *urb)
 {
-       struct hci_dev *hdev = urb->context;
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       int i, err;
+    struct hci_dev *hdev = urb->context;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    int i, err;
 
 
-       RTKBT_DBG("%s: urb %p status %d count %d",
-                       __func__, urb, urb->status, urb->actual_length);
+    RTKBT_DBG("%s: urb %p status %d count %d",
+            __func__, urb, urb->status, urb->actual_length);
 
-       if (!test_bit(HCI_RUNNING, &hdev->flags))
-               return;
+    if (!test_bit(HCI_RUNNING, &hdev->flags))
+        return;
 
-       if (urb->status == 0) {
-               for (i = 0; i < urb->number_of_packets; i++) {
-                       unsigned int offset = urb->iso_frame_desc[i].offset;
-                       unsigned int length = urb->iso_frame_desc[i].actual_length;
+    if (urb->status == 0) {
+        for (i = 0; i < urb->number_of_packets; i++) {
+            unsigned int offset = urb->iso_frame_desc[i].offset;
+            unsigned int length = urb->iso_frame_desc[i].actual_length;
 
-                       if (urb->iso_frame_desc[i].status)
-                               continue;
+            if (urb->iso_frame_desc[i].status)
+                continue;
 
-                       hdev->stat.byte_rx += length;
+            hdev->stat.byte_rx += length;
 
-                       if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
-                                               urb->transfer_buffer + offset,
-                                                               length) < 0) {
-                               RTKBT_ERR("%s: Corrupted SCO packet", __func__);
-                               hdev->stat.err_rx++;
-                       }
-               }
-       }
-       /* Avoid suspend failed when usb_kill_urb */
-       else if(urb->status == -ENOENT) {
-               return;
-       }
+            if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
+                        urb->transfer_buffer + offset,
+                                length) < 0) {
+                RTKBT_ERR("%s: Corrupted SCO packet", __func__);
+                hdev->stat.err_rx++;
+            }
+        }
+    }
+    /* Avoid suspend failed when usb_kill_urb */
+    else if(urb->status == -ENOENT)    {
+        return;
+    }
 
 
-       if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
-               return;
+    if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
+        return;
 
-       usb_anchor_urb(urb, &data->isoc_anchor);
-       i = 0;
+    usb_anchor_urb(urb, &data->isoc_anchor);
+    i = 0;
 retry:
-       err = usb_submit_urb(urb, GFP_ATOMIC);
-       if (err < 0) {
-               /* -EPERM: urb is being killed;
-                * -ENODEV: device got disconnected */
-               if (err != -EPERM && err != -ENODEV)
-                       RTKBT_ERR("%s: Failed to re-sumbit urb %p, retry %d, err %d",
-                                       __func__, urb, i, err);
-               if (i < 10) {
-                       i++;
-                       mdelay(1);
-                       goto retry;
-               }
-
-               usb_unanchor_urb(urb);
-       }
+    err = usb_submit_urb(urb, GFP_ATOMIC);
+    if (err < 0) {
+        /* -EPERM: urb is being killed;
+         * -ENODEV: device got disconnected */
+        if (err != -EPERM && err != -ENODEV)
+            RTKBT_ERR("%s: Failed to re-sumbit urb %p, retry %d, err %d",
+                    __func__, urb, i, err);
+        if (i < 10) {
+            i++;
+            mdelay(1);
+            goto retry;
+        }
+
+        usb_unanchor_urb(urb);
+    }
 }
 
 static inline void fill_isoc_descriptor(struct urb *urb, int len, int mtu)
 {
-       int i, offset = 0;
+    int i, offset = 0;
 
-       RTKBT_DBG("%s: len %d mtu %d", __func__, len, mtu);
+    RTKBT_DBG("%s: len %d mtu %d", __func__, len, mtu);
 
-       for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
-                                       i++, offset += mtu, len -= mtu) {
-               urb->iso_frame_desc[i].offset = offset;
-               urb->iso_frame_desc[i].length = mtu;
-       }
+    for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
+                    i++, offset += mtu, len -= mtu) {
+        urb->iso_frame_desc[i].offset = offset;
+        urb->iso_frame_desc[i].length = mtu;
+    }
 
-       if (len && i < BTUSB_MAX_ISOC_FRAMES) {
-               urb->iso_frame_desc[i].offset = offset;
-               urb->iso_frame_desc[i].length = len;
-               i++;
-       }
+    if (len && i < BTUSB_MAX_ISOC_FRAMES) {
+        urb->iso_frame_desc[i].offset = offset;
+        urb->iso_frame_desc[i].length = len;
+        i++;
+    }
 
-       urb->number_of_packets = i;
+    urb->number_of_packets = i;
 }
 
 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       struct urb *urb;
-       unsigned char *buf;
-       unsigned int pipe;
-       int err, size;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct urb *urb;
+    unsigned char *buf;
+    unsigned int pipe;
+    int err, size;
 
-       if (!data->isoc_rx_ep)
-               return -ENODEV;
+    if (!data->isoc_rx_ep)
+        return -ENODEV;
 
-       urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
-       if (!urb)
-               return -ENOMEM;
+    urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
+    if (!urb)
+        return -ENOMEM;
 
-       size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
-                                               BTUSB_MAX_ISOC_FRAMES;
+    size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
+                        BTUSB_MAX_ISOC_FRAMES;
 
-       buf = kmalloc(size, mem_flags);
-       if (!buf) {
-               usb_free_urb(urb);
-               return -ENOMEM;
-       }
+    buf = kmalloc(size, mem_flags);
+    if (!buf) {
+        usb_free_urb(urb);
+        return -ENOMEM;
+    }
 
-       pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
+    pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
 
-       urb->dev      = data->udev;
-       urb->pipe     = pipe;
-       urb->context  = hdev;
-       urb->complete = btusb_isoc_complete;
-       urb->interval = data->isoc_rx_ep->bInterval;
+    urb->dev      = data->udev;
+    urb->pipe     = pipe;
+    urb->context  = hdev;
+    urb->complete = btusb_isoc_complete;
+    urb->interval = data->isoc_rx_ep->bInterval;
 
-       urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
-       urb->transfer_buffer = buf;
-       urb->transfer_buffer_length = size;
+    urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
+    urb->transfer_buffer = buf;
+    urb->transfer_buffer_length = size;
 
-       fill_isoc_descriptor(urb, size,
-                       le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
+    fill_isoc_descriptor(urb, size,
+            le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
 
-       usb_anchor_urb(urb, &data->isoc_anchor);
+    usb_anchor_urb(urb, &data->isoc_anchor);
 
-       err = usb_submit_urb(urb, mem_flags);
-       if (err < 0) {
-               RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
-               usb_unanchor_urb(urb);
-       }
+    err = usb_submit_urb(urb, mem_flags);
+    if (err < 0) {
+        RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
+        usb_unanchor_urb(urb);
+    }
 
-       usb_free_urb(urb);
+    usb_free_urb(urb);
 
-       return err;
+    return err;
 }
 
 static void btusb_tx_complete(struct urb *urb)
 {
-       struct sk_buff *skb = urb->context;
-       struct hci_dev *hdev = (struct hci_dev *) skb->dev;
-       struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct sk_buff *skb = urb->context;
+    struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
 
-       if (!test_bit(HCI_RUNNING, &hdev->flags))
-               goto done;
+    if (!test_bit(HCI_RUNNING, &hdev->flags))
+        goto done;
 
-       if (!urb->status)
-               hdev->stat.byte_tx += urb->transfer_buffer_length;
-       else
-               hdev->stat.err_tx++;
+    if (!urb->status)
+        hdev->stat.byte_tx += urb->transfer_buffer_length;
+    else
+        hdev->stat.err_tx++;
 
 done:
-       spin_lock(&data->txlock);
-       data->tx_in_flight--;
-       spin_unlock(&data->txlock);
+    spin_lock(&data->txlock);
+    data->tx_in_flight--;
+    spin_unlock(&data->txlock);
 
-       kfree(urb->setup_packet);
+    kfree(urb->setup_packet);
 
-       kfree_skb(skb);
+    kfree_skb(skb);
 }
 
 static void btusb_isoc_tx_complete(struct urb *urb)
 {
-       struct sk_buff *skb = urb->context;
-       struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+    struct sk_buff *skb = urb->context;
+    struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 
-       RTKBT_DBG("%s: urb %p status %d count %d",
-                       __func__, urb, urb->status, urb->actual_length);
+    RTKBT_DBG("%s: urb %p status %d count %d",
+            __func__, urb, urb->status, urb->actual_length);
 
-       if (skb && hdev) {
-               if (!test_bit(HCI_RUNNING, &hdev->flags))
-                       goto done;
+    if (skb && hdev) {
+        if (!test_bit(HCI_RUNNING, &hdev->flags))
+            goto done;
 
-               if (!urb->status)
-                       hdev->stat.byte_tx += urb->transfer_buffer_length;
-               else
-                       hdev->stat.err_tx++;
-       } else
-               RTKBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev);
+        if (!urb->status)
+            hdev->stat.byte_tx += urb->transfer_buffer_length;
+        else
+            hdev->stat.err_tx++;
+    } else
+        RTKBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev);
 
 done:
-       kfree(urb->setup_packet);
+    kfree(urb->setup_packet);
 
-       kfree_skb(skb);
+    kfree_skb(skb);
 }
 
 static int btusb_open(struct hci_dev *hdev)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       int err = 0;
-
-       RTKBT_INFO("%s: Start, PM usage count %d", __func__,
-                       atomic_read(&(data->intf->pm_usage_cnt)));
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    int err = 0;
 
-       err = usb_autopm_get_interface(data->intf);
-       if (err < 0)
-               return err;
+    RTKBT_INFO("%s: Start, PM usage count %d", __func__,
+            atomic_read(&(data->intf->pm_usage_cnt)));
 
-       data->intf->needs_remote_wakeup = 1;
+    err = usb_autopm_get_interface(data->intf);
+    if (err < 0)
+        return err;
 
-       err = download_patch(data->fw_info, 1);
-       if (err < 0) goto failed;
+    data->intf->needs_remote_wakeup = 1;
 
-       if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
-               goto done;
+    if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
+        goto done;
 
-       if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
-               goto done;
+    if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
+        goto done;
 
-       err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
-       if (err < 0)
-               goto failed;
+    err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
+    if (err < 0)
+        goto failed;
 
-       err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
-       if (err < 0) {
-               mdelay(URB_CANCELING_DELAY_MS);
-               usb_kill_anchored_urbs(&data->intr_anchor);
-               goto failed;
-       }
+    err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
+    if (err < 0) {
+        mdelay(URB_CANCELING_DELAY_MS);
+        usb_kill_anchored_urbs(&data->intr_anchor);
+        goto failed;
+    }
 
-       set_bit(BTUSB_BULK_RUNNING, &data->flags);
-       btusb_submit_bulk_urb(hdev, GFP_KERNEL);
+    set_bit(BTUSB_BULK_RUNNING, &data->flags);
+    btusb_submit_bulk_urb(hdev, GFP_KERNEL);
 
 done:
-       usb_autopm_put_interface(data->intf);
-       RTKBT_INFO("%s: End, PM usage count %d", __func__,
-                       atomic_read(&(data->intf->pm_usage_cnt)));
-       return 0;
+    usb_autopm_put_interface(data->intf);
+    RTKBT_INFO("%s: End, PM usage count %d", __func__,
+            atomic_read(&(data->intf->pm_usage_cnt)));
+    return 0;
 
 failed:
-       clear_bit(BTUSB_INTR_RUNNING, &data->flags);
-       clear_bit(HCI_RUNNING, &hdev->flags);
-       usb_autopm_put_interface(data->intf);
-       RTKBT_ERR("%s: Failed, PM usage count %d", __func__,
-                       atomic_read(&(data->intf->pm_usage_cnt)));
-       return err;
+    clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+    clear_bit(HCI_RUNNING, &hdev->flags);
+    usb_autopm_put_interface(data->intf);
+    RTKBT_ERR("%s: Failed, PM usage count %d", __func__,
+            atomic_read(&(data->intf->pm_usage_cnt)));
+    return err;
 }
 
 static void btusb_stop_traffic(struct btusb_data *data)
 {
-       mdelay(URB_CANCELING_DELAY_MS);
-       usb_kill_anchored_urbs(&data->intr_anchor);
-       usb_kill_anchored_urbs(&data->bulk_anchor);
-       usb_kill_anchored_urbs(&data->isoc_anchor);
+    mdelay(URB_CANCELING_DELAY_MS);
+    usb_kill_anchored_urbs(&data->intr_anchor);
+    usb_kill_anchored_urbs(&data->bulk_anchor);
+    usb_kill_anchored_urbs(&data->isoc_anchor);
 }
 
 static int btusb_close(struct hci_dev *hdev)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       int i, err;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    int i, err;
 
-       RTKBT_INFO("%s: hci running %lu", __func__, hdev->flags & HCI_RUNNING);
+    RTKBT_INFO("%s: hci running %lu", __func__, hdev->flags & HCI_RUNNING);
 
-       if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
-               return 0;
+    if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
+        return 0;
 
-       for (i = 0; i < NUM_REASSEMBLY; i++) {
-               if (hdev->reassembly[i]) {
-                       RTKBT_DBG("%s: free ressembly[%d]", __func__, i);
-                       kfree_skb(hdev->reassembly[i]);
-                       hdev->reassembly[i] = NULL;
-               }
-       }
+    for (i = 0; i < NUM_REASSEMBLY; i++) {
+        if (hdev->reassembly[i]) {
+            RTKBT_DBG("%s: free ressembly[%d]", __func__, i);
+            kfree_skb(hdev->reassembly[i]);
+            hdev->reassembly[i] = NULL;
+        }
+    }
 
-       cancel_work_sync(&data->work);
-       cancel_work_sync(&data->waker);
+    cancel_work_sync(&data->work);
+    cancel_work_sync(&data->waker);
 
-       clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-       clear_bit(BTUSB_BULK_RUNNING, &data->flags);
-       clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+    clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+    clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+    clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 
-       btusb_stop_traffic(data);
-       err = usb_autopm_get_interface(data->intf);
-       if (err < 0)
-               goto failed;
+    btusb_stop_traffic(data);
+    err = usb_autopm_get_interface(data->intf);
+    if (err < 0)
+        goto failed;
 
-       data->intf->needs_remote_wakeup = 0;
-       usb_autopm_put_interface(data->intf);
+    data->intf->needs_remote_wakeup = 0;
+    usb_autopm_put_interface(data->intf);
 
 failed:
-       mdelay(URB_CANCELING_DELAY_MS);
-       usb_scuttle_anchored_urbs(&data->deferred);
-       return 0;
+    mdelay(URB_CANCELING_DELAY_MS);
+    usb_scuttle_anchored_urbs(&data->deferred);
+    return 0;
 }
 
 static int btusb_flush(struct hci_dev *hdev)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct btusb_data *data = GET_DRV_DATA(hdev);
 
-       RTKBT_DBG("%s", __func__);
+    RTKBT_DBG("%s", __func__);
 
-       mdelay(URB_CANCELING_DELAY_MS);
-       usb_kill_anchored_urbs(&data->tx_anchor);
+    mdelay(URB_CANCELING_DELAY_MS);
+    usb_kill_anchored_urbs(&data->tx_anchor);
 
-       return 0;
+    return 0;
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
-static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
-{
-#else
+
 static int btusb_send_frame(struct sk_buff *skb)
 {
-       struct hci_dev *hdev = (struct hci_dev *) skb->dev;
-#endif
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       struct usb_ctrlrequest *dr;
-       struct urb *urb;
-       unsigned int pipe;
-       int err;
-       int retries = 0;
+    struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 
-       RTKBT_DBG("%s: hdev %p, btusb data %p, pkt type %d",
-                       __func__, hdev, data, bt_cb(skb)->pkt_type);
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct usb_ctrlrequest *dr;
+    struct urb *urb;
+    unsigned int pipe;
+    int err;
+    int retries = 0;
+
+    RTKBT_DBG("%s: hdev %p, btusb data %p, pkt type %d",
+            __func__, hdev, data, bt_cb(skb)->pkt_type);
+
+    if (!test_bit(HCI_RUNNING, &hdev->flags))
+        return -EBUSY;
 
-       if (!test_bit(HCI_RUNNING, &hdev->flags))
-               return -EBUSY;
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
-       skb->dev = (void *)hdev;
-#endif
 
-       switch (bt_cb(skb)->pkt_type) {
-       case HCI_COMMAND_PKT:
-               print_command(skb);
-               urb = usb_alloc_urb(0, GFP_ATOMIC);
-               if (!urb)
-                       return -ENOMEM;
+    switch (bt_cb(skb)->pkt_type) {
+    case HCI_COMMAND_PKT:
+        print_command(skb);
+        urb = usb_alloc_urb(0, GFP_ATOMIC);
+        if (!urb)
+            return -ENOMEM;
 
-               dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
-               if (!dr) {
-                       usb_free_urb(urb);
-                       return -ENOMEM;
-               }
+        dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
+        if (!dr) {
+            usb_free_urb(urb);
+            return -ENOMEM;
+        }
 
-               dr->bRequestType = data->cmdreq_type;
-               dr->bRequest     = 0;
-               dr->wIndex       = 0;
-               dr->wValue       = 0;
-               dr->wLength      = __cpu_to_le16(skb->len);
+        dr->bRequestType = data->cmdreq_type;
+        dr->bRequest     = 0;
+        dr->wIndex       = 0;
+        dr->wValue       = 0;
+        dr->wLength      = __cpu_to_le16(skb->len);
 
-               pipe = usb_sndctrlpipe(data->udev, 0x00);
+        pipe = usb_sndctrlpipe(data->udev, 0x00);
 
-               usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
-                               skb->data, skb->len, btusb_tx_complete, skb);
+        usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
+                skb->data, skb->len, btusb_tx_complete, skb);
 
-               hdev->stat.cmd_tx++;
-               break;
+        hdev->stat.cmd_tx++;
+        break;
 
-       case HCI_ACLDATA_PKT:
-               print_acl(skb, 1);
-               if (!data->bulk_tx_ep)
-                       return -ENODEV;
+    case HCI_ACLDATA_PKT:
+        print_acl(skb, 1);
+        if (!data->bulk_tx_ep)
+            return -ENODEV;
 
-               urb = usb_alloc_urb(0, GFP_ATOMIC);
-               if (!urb)
-                       return -ENOMEM;
+        urb = usb_alloc_urb(0, GFP_ATOMIC);
+        if (!urb)
+            return -ENOMEM;
 
-               pipe = usb_sndbulkpipe(data->udev,
-                                       data->bulk_tx_ep->bEndpointAddress);
+        pipe = usb_sndbulkpipe(data->udev,
+                    data->bulk_tx_ep->bEndpointAddress);
 
-               usb_fill_bulk_urb(urb, data->udev, pipe,
-                               skb->data, skb->len, btusb_tx_complete, skb);
+        usb_fill_bulk_urb(urb, data->udev, pipe,
+                skb->data, skb->len, btusb_tx_complete, skb);
 
-               hdev->stat.acl_tx++;
-               break;
+        hdev->stat.acl_tx++;
+        break;
 
-       case HCI_SCODATA_PKT:
-               print_sco(skb, 1);
-               if (!data->isoc_tx_ep || SCO_NUM < 1) {
-                       kfree(skb);
-                       return -ENODEV;
-               }
+    case HCI_SCODATA_PKT:
+        print_sco(skb, 1);
+        if (!data->isoc_tx_ep || SCO_NUM < 1) {
+            kfree(skb);
+            return -ENODEV;
+        }
 
-               urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
-               if (!urb) {
-                       RTKBT_ERR("%s: Failed to allocate mem for sco pkts", __func__);
-                       kfree(skb);
-                       return -ENOMEM;
-               }
+        urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
+        if (!urb) {
+            RTKBT_ERR("%s: Failed to allocate mem for sco pkts", __func__);
+            kfree(skb);
+            return -ENOMEM;
+        }
 
-               pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
+        pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
 
-               usb_fill_int_urb(urb, data->udev, pipe,
-                               skb->data, skb->len, btusb_isoc_tx_complete,
-                               skb, data->isoc_tx_ep->bInterval);
+        usb_fill_int_urb(urb, data->udev, pipe,
+                skb->data, skb->len, btusb_isoc_tx_complete,
+                skb, data->isoc_tx_ep->bInterval);
 
-               urb->transfer_flags  = URB_ISO_ASAP;
+        urb->transfer_flags  = URB_ISO_ASAP;
 
-               fill_isoc_descriptor(urb, skb->len,
-                               le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
+        fill_isoc_descriptor(urb, skb->len,
+                le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
 
-               hdev->stat.sco_tx++;
-               goto skip_waking;
+        hdev->stat.sco_tx++;
+        goto skip_waking;
 
-       default:
-               return -EILSEQ;
-       }
+    default:
+        return -EILSEQ;
+    }
 
-       err = inc_tx(data);
-       if (err) {
-               usb_anchor_urb(urb, &data->deferred);
-               schedule_work(&data->waker);
-               err = 0;
-               goto done;
-       }
+    err = inc_tx(data);
+    if (err) {
+        usb_anchor_urb(urb, &data->deferred);
+        schedule_work(&data->waker);
+        err = 0;
+        goto done;
+    }
 
 skip_waking:
-       usb_anchor_urb(urb, &data->tx_anchor);
+    usb_anchor_urb(urb, &data->tx_anchor);
 retry:
-       err = usb_submit_urb(urb, GFP_ATOMIC);
-       if (err < 0) {
-               RTKBT_ERR("%s: Failed to submit urb %p, pkt type %d, err %d, retries %d",
-                               __func__, urb, bt_cb(skb)->pkt_type, err, retries);
-               if ((bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) && (retries < 10)) {
-                       mdelay(1);
-
-                       if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT)
-                               print_error_command(skb);
-                       retries++;
-                       goto retry;
-               }
-               kfree(urb->setup_packet);
-               usb_unanchor_urb(urb);
-       } else
-               usb_mark_last_busy(data->udev);
-       usb_free_urb(urb);
+    err = usb_submit_urb(urb, GFP_ATOMIC);
+    if (err < 0) {
+        RTKBT_ERR("%s: Failed to submit urb %p, pkt type %d, err %d, retries %d",
+                __func__, urb, bt_cb(skb)->pkt_type, err, retries);
+        if ((bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) && (retries < 10)) {
+            mdelay(1);
+
+            if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT)
+                print_error_command(skb);
+            retries++;
+            goto retry;
+        }
+        kfree(urb->setup_packet);
+        usb_unanchor_urb(urb);
+    } else
+        usb_mark_last_busy(data->udev);
+    usb_free_urb(urb);
 
 done:
-       return err;
+    return err;
 }
 
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
 static void btusb_destruct(struct hci_dev *hdev)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct btusb_data *data = GET_DRV_DATA(hdev);
 
-       RTKBT_DBG("%s: name %s", __func__, hdev->name);
+    RTKBT_DBG("%s: name %s", __func__, hdev->name);
 
-       kfree(data);
+    kfree(data);
 }
 #endif
 
 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct btusb_data *data = GET_DRV_DATA(hdev);
 
-       RTKBT_DBG("%s: name %s, evt %d", __func__, hdev->name, evt);
+    RTKBT_DBG("%s: name %s, evt %d", __func__, hdev->name, evt);
 
-       if (SCO_NUM != data->sco_num) {
-               data->sco_num = SCO_NUM;
-               schedule_work(&data->work);
-       }
+    if (SCO_NUM != data->sco_num) {
+        data->sco_num = SCO_NUM;
+        schedule_work(&data->work);
+    }
 }
 
 static inline int set_isoc_interface(struct hci_dev *hdev, int altsetting)
 {
-       struct btusb_data *data = GET_DRV_DATA(hdev);
-       struct usb_interface *intf = data->isoc;
-       struct usb_endpoint_descriptor *ep_desc;
-       int i, err;
+    struct btusb_data *data = GET_DRV_DATA(hdev);
+    struct usb_interface *intf = data->isoc;
+    struct usb_endpoint_descriptor *ep_desc;
+    int i, err;
 
-       if (!data->isoc)
-               return -ENODEV;
+    if (!data->isoc)
+        return -ENODEV;
 
-       err = usb_set_interface(data->udev, 1, altsetting);
-       if (err < 0) {
-               RTKBT_ERR("%s: Failed to set interface, altsetting %d, err %d",
-                               __func__, altsetting, err);
-               return err;
-       }
+    err = usb_set_interface(data->udev, 1, altsetting);
+    if (err < 0) {
+        RTKBT_ERR("%s: Failed to set interface, altsetting %d, err %d",
+                __func__, altsetting, err);
+        return err;
+    }
 
-       data->isoc_altsetting = altsetting;
+    data->isoc_altsetting = altsetting;
 
-       data->isoc_tx_ep = NULL;
-       data->isoc_rx_ep = NULL;
+    data->isoc_tx_ep = NULL;
+    data->isoc_rx_ep = NULL;
 
-       for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
-               ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+    for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+        ep_desc = &intf->cur_altsetting->endpoint[i].desc;
 
-               if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
-                       data->isoc_tx_ep = ep_desc;
-                       continue;
-               }
+        if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
+            data->isoc_tx_ep = ep_desc;
+            continue;
+        }
 
-               if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
-                       data->isoc_rx_ep = ep_desc;
-                       continue;
-               }
-       }
+        if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
+            data->isoc_rx_ep = ep_desc;
+            continue;
+        }
+    }
 
-       if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
-               RTKBT_ERR("%s: Invalid SCO descriptors", __func__);
-               return -ENODEV;
-       }
+    if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
+        RTKBT_ERR("%s: Invalid SCO descriptors", __func__);
+        return -ENODEV;
+    }
 
-       return 0;
+    return 0;
 }
 
 static void btusb_work(struct work_struct *work)
 {
-       struct btusb_data *data = container_of(work, struct btusb_data, work);
-       struct hci_dev *hdev = data->hdev;
-       int err;
-       int new_alts;
-       if (data->sco_num > 0) {
-               if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
-                       err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
-                       if (err < 0) {
-                               clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-                               mdelay(URB_CANCELING_DELAY_MS);
-                               usb_kill_anchored_urbs(&data->isoc_anchor);
-                               return;
-                       }
-
-                       set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
-               }
+    struct btusb_data *data = container_of(work, struct btusb_data, work);
+    struct hci_dev *hdev = data->hdev;
+    int err;
+    int new_alts;
+    if (data->sco_num > 0) {
+        if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
+            err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
+            if (err < 0) {
+                clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+                mdelay(URB_CANCELING_DELAY_MS);
+                usb_kill_anchored_urbs(&data->isoc_anchor);
+                return;
+            }
+
+            set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
+        }
 #if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1)
-               if (hdev->voice_setting & 0x0020) {
-                       static const int alts[3] = { 2, 4, 5 };
-                       new_alts = alts[data->sco_num - 1];
-               } else{
-                       new_alts = data->sco_num;
-               }
-               if (data->isoc_altsetting != new_alts) {
+        if (hdev->voice_setting & 0x0020) {
+            static const int alts[3] = { 2, 4, 5 };
+            new_alts = alts[data->sco_num - 1];
+        } else{
+            new_alts = data->sco_num;
+        }
+        if (data->isoc_altsetting != new_alts) {
 #else
-               if (data->isoc_altsetting != 2) {
-                       new_alts = 2;
+        if (data->isoc_altsetting != 2) {
+            new_alts = 2;
 #endif
 
-                       clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-                       mdelay(URB_CANCELING_DELAY_MS);
-                       usb_kill_anchored_urbs(&data->isoc_anchor);
+            clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+            mdelay(URB_CANCELING_DELAY_MS);
+            usb_kill_anchored_urbs(&data->isoc_anchor);
 
-                       if (set_isoc_interface(hdev, new_alts) < 0)
-                               return;
-               }
+            if (set_isoc_interface(hdev, new_alts) < 0)
+                return;
+        }
 
-               if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
-                       if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
-                               clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-                       else
-                               btusb_submit_isoc_urb(hdev, GFP_KERNEL);
-               }
-       } else {
-               clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-               mdelay(URB_CANCELING_DELAY_MS);
-               usb_kill_anchored_urbs(&data->isoc_anchor);
+        if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+            if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
+                clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+            else
+                btusb_submit_isoc_urb(hdev, GFP_KERNEL);
+        }
+    } else {
+        clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+        mdelay(URB_CANCELING_DELAY_MS);
+        usb_kill_anchored_urbs(&data->isoc_anchor);
 
-               set_isoc_interface(hdev, 0);
-               if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
-                       usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
-       }
+        set_isoc_interface(hdev, 0);
+        if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
+            usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
+    }
 }
 
 static void btusb_waker(struct work_struct *work)
 {
-       struct btusb_data *data = container_of(work, struct btusb_data, waker);
-       int err;
+    struct btusb_data *data = container_of(work, struct btusb_data, waker);
+    int err;
 
-       RTKBT_DBG("%s: PM usage count %d", __func__,
-                       atomic_read(&data->intf->pm_usage_cnt));
+    RTKBT_DBG("%s: PM usage count %d", __func__,
+            atomic_read(&data->intf->pm_usage_cnt));
 
-       err = usb_autopm_get_interface(data->intf);
-       if (err < 0)
-               return;
+    err = usb_autopm_get_interface(data->intf);
+    if (err < 0)
+        return;
 
-       usb_autopm_put_interface(data->intf);
+    usb_autopm_put_interface(data->intf);
 }
 
 
@@ -2639,521 +3304,596 @@ static void btusb_waker(struct work_struct *work)
 #if 0
 static void btusb_early_suspend(struct early_suspend *h)
 {
-       struct btusb_data *data;
-       firmware_info *fw_info;
-       patch_info *patch_entry;
+    struct btusb_data *data;
+    firmware_info *fw_info;
+    patch_info *patch_entry;
 
-       RTKBT_INFO("%s", __func__);
+    RTKBT_INFO("%s", __func__);
 
-       data = container_of(h, struct btusb_data, early_suspend);
-       fw_info = data->fw_info;
-       patch_entry = fw_info->patch_entry;
+    data = container_of(h, struct btusb_data, early_suspend);
+    fw_info = data->fw_info;
+    patch_entry = fw_info->patch_entry;
 
-       patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
-       if (patch_entry->fw_len <= 0) {
-               /* We may encount failure in loading firmware, just give a warning */
-               RTKBT_WARN("%s: Failed to load firmware", __func__);
-       }
+    patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
+    if (patch_entry->fw_len <= 0) {
+        /* We may encount failure in loading firmware, just give a warning */
+        RTKBT_WARN("%s: Failed to load firmware", __func__);
+    }
 }
 
 static void btusb_late_resume(struct early_suspend *h)
 {
-       struct btusb_data *data;
-       firmware_info *fw_info;
-       patch_info *patch_entry;
+    struct btusb_data *data;
+    firmware_info *fw_info;
+    patch_info *patch_entry;
 
-       RTKBT_INFO("%s", __func__);
+    RTKBT_INFO("%s", __func__);
 
-       data = container_of(h, struct btusb_data, early_suspend);
-       fw_info = data->fw_info;
-       patch_entry = fw_info->patch_entry;
+    data = container_of(h, struct btusb_data, early_suspend);
+    fw_info = data->fw_info;
+    patch_entry = fw_info->patch_entry;
 
-       /* Reclaim fw buffer when bt usb resumed */
-       if (patch_entry->fw_len > 0) {
-               kfree(patch_entry->fw_cache);
-               patch_entry->fw_cache = NULL;
-               patch_entry->fw_len = 0;
-       }
+    /* Reclaim fw buffer when bt usb resumed */
+    if (patch_entry->fw_len > 0) {
+        kfree(patch_entry->fw_cache);
+        patch_entry->fw_cache = NULL;
+        patch_entry->fw_len = 0;
+    }
 }
 #else
 int bt_pm_notify(struct notifier_block *notifier, ulong pm_event, void *unused)
 {
-       struct btusb_data *data;
-       firmware_info *fw_info;
-       patch_info *patch_entry;
-       struct usb_device *udev;
+    struct btusb_data *data;
+    firmware_info *fw_info;
+    patch_info *patch_entry;
+    struct usb_device *udev;
 
-       RTKBT_INFO("%s: pm event %ld", __func__, pm_event);
+    RTKBT_INFO("%s: pm event %ld", __func__, pm_event);
 
-       data = container_of(notifier, struct btusb_data, pm_notifier);
-       fw_info = data->fw_info;
-       patch_entry = fw_info->patch_entry;
-       udev = fw_info->udev;
+    data = container_of(notifier, struct btusb_data, pm_notifier);
+    fw_info = data->fw_info;
+    patch_entry = fw_info->patch_entry;
+    udev = fw_info->udev;
 
-       switch (pm_event) {
-       case PM_SUSPEND_PREPARE:
-       case PM_HIBERNATION_PREPARE:
+    switch (pm_event) {
+    case PM_SUSPEND_PREPARE:
+    case PM_HIBERNATION_PREPARE:
 #if 0
-               patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
-               if (patch_entry->fw_len <= 0) {
-               /* We may encount failure in loading firmware, just give a warning */
-                       RTKBT_WARN("%s: Failed to load firmware", __func__);
-               }
-#endif 
-               if (!device_may_wakeup(&udev->dev)) {
+        patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
+        if (patch_entry->fw_len <= 0) {
+        /* We may encount failure in loading firmware, just give a warning */
+            RTKBT_WARN("%s: Failed to load firmware", __func__);
+        }
+#endif
+        if (!device_may_wakeup(&udev->dev)) {
 #if (CONFIG_RESET_RESUME || CONFIG_BLUEDROID)
-                       RTKBT_INFO("%s:remote wakeup not supported, reset resume supported", __func__);
+            RTKBT_INFO("%s:remote wakeup not supported, reset resume supported", __func__);
 #else
-/*this will force usb driver to disconnect/probe*/
-                       fw_info->intf->needs_binding = 1;
-                       RTKBT_INFO("%s:remote wakeup not supported, binding needed", __func__);
+            fw_info->intf->needs_binding = 1;
+            RTKBT_INFO("%s:remote wakeup not supported, binding needed", __func__);
 #endif
-               }
-               break;
+        }
+        break;
 
-       case PM_POST_SUSPEND:
-       case PM_POST_HIBERNATION:
-       case PM_POST_RESTORE:
+    case PM_POST_SUSPEND:
+    case PM_POST_HIBERNATION:
+    case PM_POST_RESTORE:
 #if 0
-               /* Reclaim fw buffer when bt usb resumed */
-               if (patch_entry->fw_len > 0) {
-                       kfree(patch_entry->fw_cache);
-                       patch_entry->fw_cache = NULL;
-                       patch_entry->fw_len = 0;
-               }
-#endif 
+        /* Reclaim fw buffer when bt usb resumed */
+        if (patch_entry->fw_len > 0) {
+            kfree(patch_entry->fw_cache);
+            patch_entry->fw_cache = NULL;
+            patch_entry->fw_len = 0;
+        }
+#endif
 
 #if BTUSB_RPM
-               usb_disable_autosuspend(udev);
-               usb_enable_autosuspend(udev);
-               pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
+        usb_disable_autosuspend(udev);
+        usb_enable_autosuspend(udev);
+        pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
 #endif
-               break;
+        break;
 
-       default:
-               break;
-       }
+    default:
+        break;
+    }
 
-       return NOTIFY_DONE;
+    return NOTIFY_DONE;
 }
+
+int bt_reboot_notify(struct notifier_block *notifier, ulong pm_event, void *unused)
+{
+    struct btusb_data *data;
+    firmware_info *fw_info;
+    patch_info *patch_entry;
+    struct usb_device *udev;
+
+    RTKBT_INFO("%s: pm event %ld", __func__, pm_event);
+
+    data = container_of(notifier, struct btusb_data, reboot_notifier);
+    fw_info = data->fw_info;
+    patch_entry = fw_info->patch_entry;
+    udev = fw_info->udev;
+
+    switch (pm_event) {
+    case SYS_DOWN:
+        RTKBT_DBG("%s:system down or restart", __func__);
+    break;
+
+    case SYS_HALT:
+    case SYS_POWER_OFF:
+#if SUSPNED_DW_FW
+        cancel_work_sync(&data->work);
+
+        btusb_stop_traffic(data);
+        mdelay(URB_CANCELING_DELAY_MS);
+        usb_kill_anchored_urbs(&data->tx_anchor);
+
+
+        if(fw_info_4_suspend) {
+            download_suspend_patch(fw_info_4_suspend,1);
+        }
+           else
+                   RTKBT_ERR("%s: Failed to download suspend fw", __func__);
+#endif
+
+#if SET_WAKEUP_DEVICE
+        set_wakeup_device_from_conf(fw_info_4_suspend);
+#endif
+        RTKBT_DBG("%s:system halt or power off", __func__);
+    break;
+
+    default:
+        break;
+    }
+
+    return NOTIFY_DONE;
+}
+
 #endif
 
 static int btusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
-       struct usb_device *udev = interface_to_usbdev(intf);
-       struct usb_endpoint_descriptor *ep_desc;
-       struct btusb_data *data;
-       struct hci_dev *hdev;
-       firmware_info *fw_info;
-       int i, err=0;
-
-       RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d, idVendor 0x%04x, "
-                       "idProduct 0x%04x", __func__, intf,
-                       intf->cur_altsetting->desc.bInterfaceNumber,
-                       id->idVendor, id->idProduct);
-
-       /* interface numbers are hardcoded in the spec */
-       if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
-               return -ENODEV;
-
-       RTKBT_DBG("%s: can wakeup = %x, may wakeup = %x", __func__,
-                       device_can_wakeup(&udev->dev), device_may_wakeup(&udev->dev));
-
-       data = rtk_alloc(intf);
-       if (!data)
-               return -ENOMEM;
-
-       for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
-               ep_desc = &intf->cur_altsetting->endpoint[i].desc;
-
-               if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
-                       data->intr_ep = ep_desc;
-                       continue;
-               }
-
-               if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
-                       data->bulk_tx_ep = ep_desc;
-                       continue;
-               }
-
-               if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
-                       data->bulk_rx_ep = ep_desc;
-                       continue;
-               }
-       }
-
-       if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
-               rtk_free(data);
-               return -ENODEV;
-       }
-
-       data->cmdreq_type = USB_TYPE_CLASS;
-
-       data->udev = udev;
-       data->intf = intf;
-
-       spin_lock_init(&data->lock);
-
-       INIT_WORK(&data->work, btusb_work);
-       INIT_WORK(&data->waker, btusb_waker);
-       spin_lock_init(&data->txlock);
-
-       init_usb_anchor(&data->tx_anchor);
-       init_usb_anchor(&data->intr_anchor);
-       init_usb_anchor(&data->bulk_anchor);
-       init_usb_anchor(&data->isoc_anchor);
-       init_usb_anchor(&data->deferred);
-
-       fw_info = firmware_info_init(intf);
-       if (fw_info)
-               data->fw_info = fw_info;
-       else {
-               RTKBT_WARN("%s: Failed to initialize fw info", __func__);
-               /* Skip download patch */
-               goto end;
-       }
-
-       RTKBT_INFO("%s: download begining...", __func__);
+    struct usb_device *udev = interface_to_usbdev(intf);
+    struct usb_endpoint_descriptor *ep_desc;
+    struct btusb_data *data;
+    struct hci_dev *hdev;
+    firmware_info *fw_info;
+    int i, err=0;
+
+    RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d, idVendor 0x%04x, "
+            "idProduct 0x%04x", __func__, intf,
+            intf->cur_altsetting->desc.bInterfaceNumber,
+            id->idVendor, id->idProduct);
+
+    /* interface numbers are hardcoded in the spec */
+    if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+        return -ENODEV;
+
+    RTKBT_DBG("%s: can wakeup = %x, may wakeup = %x", __func__,
+            device_can_wakeup(&udev->dev), device_may_wakeup(&udev->dev));
+
+    data = rtk_alloc(intf);
+    if (!data)
+        return -ENOMEM;
+
+    for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+        ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+        if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
+            data->intr_ep = ep_desc;
+            continue;
+        }
+
+        if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
+            data->bulk_tx_ep = ep_desc;
+            continue;
+        }
+
+        if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
+            data->bulk_rx_ep = ep_desc;
+            continue;
+        }
+    }
+
+    if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
+        rtk_free(data);
+        return -ENODEV;
+    }
+
+    data->cmdreq_type = USB_TYPE_CLASS;
+
+    data->udev = udev;
+    data->intf = intf;
+
+    dlfw_dis_state = 0;
+    spin_lock_init(&queue_lock);
+    spin_lock_init(&dlfw_lock);
+    spin_lock_init(&data->lock);
+
+    INIT_WORK(&data->work, btusb_work);
+    INIT_WORK(&data->waker, btusb_waker);
+    spin_lock_init(&data->txlock);
+
+    init_usb_anchor(&data->tx_anchor);
+    init_usb_anchor(&data->intr_anchor);
+    init_usb_anchor(&data->bulk_anchor);
+    init_usb_anchor(&data->isoc_anchor);
+    init_usb_anchor(&data->deferred);
+
+    fw_info = firmware_info_init(intf);
+    if (fw_info)
+        data->fw_info = fw_info;
+    else {
+        RTKBT_WARN("%s: Failed to initialize fw info", __func__);
+        /* Skip download patch */
+        goto end;
+    }
+
+    RTKBT_INFO("%s: download begining...", __func__);
 
 #if CONFIG_BLUEDROID
-       mutex_lock(&btchr_mutex);
+    mutex_lock(&btchr_mutex);
 #endif
 
-#if 0
-       err = download_patch(fw_info, 0);
-       /* If download failed, we just throw out a warning */
-       if (err < 0)
-               RTKBT_WARN("%s: Failed to download fw patch", __func__);
-#endif
+
 
 #if CONFIG_BLUEDROID
-       mutex_unlock(&btchr_mutex);
+    mutex_unlock(&btchr_mutex);
 #endif
 
-       RTKBT_INFO("%s: download ending...", __func__);
+    RTKBT_INFO("%s: download ending...", __func__);
 
-       hdev = hci_alloc_dev();
-       if (!hdev) {
-               rtk_free(data);
-               data = NULL;
-               return -ENOMEM;
-       }
+    hdev = hci_alloc_dev();
+    if (!hdev) {
+        rtk_free(data);
+        data = NULL;
+        return -ENOMEM;
+    }
 
-       HDEV_BUS = HCI_USB;
+    HDEV_BUS = HCI_USB;
 
-       data->hdev = hdev;
+    data->hdev = hdev;
 
-       SET_HCIDEV_DEV(hdev, &intf->dev);
+    SET_HCIDEV_DEV(hdev, &intf->dev);
 
-       hdev->open     = btusb_open;
-       hdev->close    = btusb_close;
-       hdev->flush    = btusb_flush;
-       hdev->send     = btusb_send_frame;
-       hdev->notify   = btusb_notify;
+    hdev->open     = btusb_open;
+    hdev->close    = btusb_close;
+    hdev->flush    = btusb_flush;
+    hdev->send     = btusb_send_frame;
+    hdev->notify   = btusb_notify;
 
 #if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)
-       hci_set_drvdata(hdev, data);
+    hci_set_drvdata(hdev, data);
 #else
-       hdev->driver_data = data;
-       hdev->destruct = btusb_destruct;
-       hdev->owner = THIS_MODULE;
+    hdev->driver_data = data;
+    hdev->destruct = btusb_destruct;
+    hdev->owner = THIS_MODULE;
 #endif
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1)
-       if (!reset_on_close){
-               /* set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); */
-               RTKBT_DBG("%s: Set HCI_QUIRK_RESET_ON_CLOSE", __func__);
-       }
+    if (!reset_on_close){
+        /* set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); */
+        RTKBT_DBG("%s: Set HCI_QUIRK_RESET_ON_CLOSE", __func__);
+    }
 #endif
 
-       /* Interface numbers are hardcoded in the specification */
-       data->isoc = usb_ifnum_to_if(data->udev, 1);
-       if (data->isoc) {
-               err = usb_driver_claim_interface(&btusb_driver,
-                                                       data->isoc, data);
-               if (err < 0) {
-                       hci_free_dev(hdev);
-                       hdev = NULL;
-                       rtk_free(data);
-                       data = NULL;
-                       return err;
-               }
-       }
-
-       err = hci_register_dev(hdev);
-       if (err < 0) {
-               hci_free_dev(hdev);
-               hdev = NULL;
-               rtk_free(data);
-               data = NULL;
-               return err;
-       }
-
-       usb_set_intfdata(intf, data);
+    /* Interface numbers are hardcoded in the specification */
+    data->isoc = usb_ifnum_to_if(data->udev, 1);
+    if (data->isoc) {
+        err = usb_driver_claim_interface(&btusb_driver,
+                            data->isoc, data);
+        if (err < 0) {
+            hci_free_dev(hdev);
+            hdev = NULL;
+            rtk_free(data);
+            data = NULL;
+            return err;
+        }
+    }
+
+    err = hci_register_dev(hdev);
+    if (err < 0) {
+        hci_free_dev(hdev);
+        hdev = NULL;
+        rtk_free(data);
+        data = NULL;
+        return err;
+    }
+
+    usb_set_intfdata(intf, data);
 
 //#ifdef CONFIG_HAS_EARLYSUSPEND
 #if 0
-       data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
-       data->early_suspend.suspend = btusb_early_suspend;
-       data->early_suspend.resume = btusb_late_resume;
-       register_early_suspend(&data->early_suspend);
+    data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
+    data->early_suspend.suspend = btusb_early_suspend;
+    data->early_suspend.resume = btusb_late_resume;
+    register_early_suspend(&data->early_suspend);
 #else
-       data->pm_notifier.notifier_call = bt_pm_notify;
-       register_pm_notifier(&data->pm_notifier);
+    data->pm_notifier.notifier_call = bt_pm_notify;
+    data->reboot_notifier.notifier_call = bt_reboot_notify;
+    register_pm_notifier(&data->pm_notifier);
+    register_reboot_notifier(&data->reboot_notifier);
 #endif
 
 #if CONFIG_BLUEDROID
-       RTKBT_INFO("%s: Check bt reset flag %d", __func__, bt_reset);
-       /* Report hci hardware error after everthing is ready,
-        * especially hci register is completed. Or, btchr_poll
-        * will get null hci dev when hotplug in.
-        */
-       if (bt_reset == 1) {
-               hci_hardware_error();
-               bt_reset = 0;
-       } else
-               bt_reset = 0; /* Clear and reset it anyway */
+    RTKBT_INFO("%s: Check bt reset flag %d", __func__, bt_reset);
+    /* Report hci hardware error after everthing is ready,
+     * especially hci register is completed. Or, btchr_poll
+     * will get null hci dev when hotplug in.
+     */
+    if (bt_reset == 1) {
+        hci_hardware_error();
+        bt_reset = 0;
+    } else
+        bt_reset = 0; /* Clear and reset it anyway */
 #endif
 
 end:
-       return 0;
+    return 0;
 }
 
 static void btusb_disconnect(struct usb_interface *intf)
 {
-       struct btusb_data *data = usb_get_intfdata(intf);
-       struct hci_dev *hdev = NULL;
+    struct btusb_data *data;
+    struct hci_dev *hdev = NULL;
+
+    wait_event_interruptible(bt_dlfw_wait, (check_set_dlfw_state_value(2) == 2));
+
+    RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d",
+            __func__, intf, intf->cur_altsetting->desc.bInterfaceNumber);
 
-       RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d",
-                       __func__, intf, intf->cur_altsetting->desc.bInterfaceNumber);
+    data = usb_get_intfdata(intf);
 
-       if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
-               return;
+    if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+        return;
 
-       if (data)
-               hdev = data->hdev;
-       else {
-               RTKBT_WARN("%s: Failed to get bt usb data[Null]", __func__);
-               return;
-       }
+    if (data)
+        hdev = data->hdev;
+    else {
+        RTKBT_WARN("%s: Failed to get bt usb data[Null]", __func__);
+        return;
+    }
 
 //#ifdef CONFIG_HAS_EARLYSUSPEND
 #if 0
-       unregister_early_suspend(&data->early_suspend);
+    unregister_early_suspend(&data->early_suspend);
 #else
-       unregister_pm_notifier(&data->pm_notifier);
+    unregister_pm_notifier(&data->pm_notifier);
+    unregister_reboot_notifier(&data->reboot_notifier);
 #endif
 
-       firmware_info_destroy(intf);
+    firmware_info_destroy(intf);
 
 #if CONFIG_BLUEDROID
-       if (test_bit(HCI_RUNNING, &hdev->flags)) {
-               RTKBT_INFO("%s: Set BT reset flag", __func__);
-               bt_reset = 1;
-       }
+    if (test_bit(HCI_RUNNING, &hdev->flags)) {
+        RTKBT_INFO("%s: Set BT reset flag", __func__);
+        bt_reset = 1;
+    }
 #endif
 
-       usb_set_intfdata(data->intf, NULL);
+    usb_set_intfdata(data->intf, NULL);
 
-       if (data->isoc)
-               usb_set_intfdata(data->isoc, NULL);
+    if (data->isoc)
+        usb_set_intfdata(data->isoc, NULL);
 
-       hci_unregister_dev(hdev);
+    hci_unregister_dev(hdev);
 
-       if (intf == data->isoc)
-               usb_driver_release_interface(&btusb_driver, data->intf);
-       else if (data->isoc)
-               usb_driver_release_interface(&btusb_driver, data->isoc);
+    if (intf == data->isoc)
+        usb_driver_release_interface(&btusb_driver, data->intf);
+    else if (data->isoc)
+        usb_driver_release_interface(&btusb_driver, data->isoc);
 
 #if !CONFIG_BLUEDROID
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
-       __hci_dev_put(hdev);
+    __hci_dev_put(hdev);
 #endif
 #endif
 
-       hci_free_dev(hdev);
-       rtk_free(data);
-       data = NULL;
+    hci_free_dev(hdev);
+    rtk_free(data);
+    data = NULL;
+    set_dlfw_state_value(0);
 }
 
 #ifdef CONFIG_PM
 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
 {
-       struct btusb_data *data = usb_get_intfdata(intf);
-       firmware_info *fw_info = data->fw_info;
+    struct btusb_data *data = usb_get_intfdata(intf);
+    firmware_info *fw_info = data->fw_info;
 
-       RTKBT_INFO("%s: event 0x%x, suspend count %d", __func__,
-                       message.event, data->suspend_count);
+    RTKBT_INFO("%s: event 0x%x, suspend count %d", __func__,
+            message.event, data->suspend_count);
 
-       if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
-               return 0;
+    if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+        return 0;
 
-       if (!test_bit(HCI_RUNNING, &data->hdev->flags))
-               set_bt_onoff(fw_info, 1);
+    if (!test_bit(HCI_RUNNING, &data->hdev->flags))
+        set_bt_onoff(fw_info, 1);
 
-       if (data->suspend_count++)
-               return 0;
+    if (data->suspend_count++)
+        return 0;
 
-       spin_lock_irq(&data->txlock);
-       if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
-               set_bit(BTUSB_SUSPENDING, &data->flags);
-               spin_unlock_irq(&data->txlock);
-       } else {
-               spin_unlock_irq(&data->txlock);
-               data->suspend_count--;
-               RTKBT_ERR("%s: Failed to enter suspend", __func__);
-               return -EBUSY;
-       }
+    spin_lock_irq(&data->txlock);
+    if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
+        set_bit(BTUSB_SUSPENDING, &data->flags);
+        spin_unlock_irq(&data->txlock);
+    } else {
+        spin_unlock_irq(&data->txlock);
+        data->suspend_count--;
+        RTKBT_ERR("%s: Failed to enter suspend", __func__);
+        return -EBUSY;
+    }
 
-       cancel_work_sync(&data->work);
+    cancel_work_sync(&data->work);
 
-       btusb_stop_traffic(data);
-       mdelay(URB_CANCELING_DELAY_MS);
-       usb_kill_anchored_urbs(&data->tx_anchor);
+    btusb_stop_traffic(data);
+    mdelay(URB_CANCELING_DELAY_MS);
+    usb_kill_anchored_urbs(&data->tx_anchor);
+
+#if SUSPNED_DW_FW
+    if(fw_info_4_suspend) {
+        download_suspend_patch(fw_info_4_suspend,1);
+    }
+    else
+        RTKBT_ERR("%s: Failed to download suspend fw", __func__);
+#endif
 
-       return 0;
+#if SET_WAKEUP_DEVICE
+    set_wakeup_device_from_conf(fw_info_4_suspend);
+#endif
+
+    return 0;
 }
 
 static void play_deferred(struct btusb_data *data)
 {
-       struct urb *urb;
-       int err;
+    struct urb *urb;
+    int err;
 
-       while ((urb = usb_get_from_anchor(&data->deferred))) {
-               usb_anchor_urb(urb, &data->tx_anchor);
-               err = usb_submit_urb(urb, GFP_ATOMIC);
-               if (err < 0) {
-                       RTKBT_ERR("%s: Failed to submit urb %p, err %d",
-                                       __func__, urb, err);
-                       kfree(urb->setup_packet);
-                       usb_unanchor_urb(urb);
-               } else {
-                       usb_mark_last_busy(data->udev);
-               }
-               usb_free_urb(urb);
+    while ((urb = usb_get_from_anchor(&data->deferred))) {
+        usb_anchor_urb(urb, &data->tx_anchor);
+        err = usb_submit_urb(urb, GFP_ATOMIC);
+        if (err < 0) {
+            RTKBT_ERR("%s: Failed to submit urb %p, err %d",
+                    __func__, urb, err);
+            kfree(urb->setup_packet);
+            usb_unanchor_urb(urb);
+        } else {
+            usb_mark_last_busy(data->udev);
+        }
+        usb_free_urb(urb);
 
-               data->tx_in_flight++;
-       }
-       mdelay(URB_CANCELING_DELAY_MS);
-       usb_scuttle_anchored_urbs(&data->deferred);
+        data->tx_in_flight++;
+    }
+    mdelay(URB_CANCELING_DELAY_MS);
+    usb_scuttle_anchored_urbs(&data->deferred);
 }
 
 static int btusb_resume(struct usb_interface *intf)
 {
-       struct btusb_data *data = usb_get_intfdata(intf);
-       struct hci_dev *hdev = data->hdev;
-       //firmware_info *fw_info = data->fw_info;
-       int err = 0;
-
-       RTKBT_INFO("%s: Suspend count %d", __func__, data->suspend_count);
-
-       if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
-               return 0;
-
-#if 0
-       if (!test_bit(HCI_RUNNING, &hdev->flags)) {
-               RTKBT_INFO("%s: Bt is off, download patch before bt is on", __func__);
-               download_patch(fw_info, 1);
-       }
-#endif 
-
-       if (--data->suspend_count)
-               return 0;
-
-       if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
-               err = btusb_submit_intr_urb(hdev, GFP_NOIO);
-               if (err < 0) {
-                       clear_bit(BTUSB_INTR_RUNNING, &data->flags);
-                       goto failed;
-               }
-       }
-
-       if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
-               err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
-               if (err < 0) {
-                       clear_bit(BTUSB_BULK_RUNNING, &data->flags);
-                       goto failed;
-               }
-
-               btusb_submit_bulk_urb(hdev, GFP_NOIO);
-       }
-
-       if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
-               if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
-                       clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
-               else
-                       btusb_submit_isoc_urb(hdev, GFP_NOIO);
-       }
-
-       spin_lock_irq(&data->txlock);
-       play_deferred(data);
-       clear_bit(BTUSB_SUSPENDING, &data->flags);
-       spin_unlock_irq(&data->txlock);
-       schedule_work(&data->work);
-
-       return 0;
+    struct btusb_data *data = usb_get_intfdata(intf);
+    struct hci_dev *hdev = data->hdev;
+    firmware_info *fw_info = data->fw_info;
+    int err = 0;
+
+    RTKBT_INFO("%s: Suspend count %d", __func__, data->suspend_count);
+
+    if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+        return 0;
+
+    if (--data->suspend_count)
+        return 0;
+
+    /*check_fw_version to check the status of the BT Controller after USB Resume*/
+    err = check_fw_version(fw_info);
+    if (err !=0)
+    {
+        RTKBT_INFO("%s: BT Controller Power OFF And Return hci_hardware_error:%d", __func__, err);
+        hci_hardware_error();
+    }
+
+
+    if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
+        err = btusb_submit_intr_urb(hdev, GFP_NOIO);
+        if (err < 0) {
+            clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+            goto failed;
+        }
+    }
+
+    if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+        err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
+        if (err < 0) {
+            clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+            goto failed;
+        }
+
+        btusb_submit_bulk_urb(hdev, GFP_NOIO);
+    }
+
+    if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+        if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
+            clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+        else
+            btusb_submit_isoc_urb(hdev, GFP_NOIO);
+    }
+
+    spin_lock_irq(&data->txlock);
+    play_deferred(data);
+    clear_bit(BTUSB_SUSPENDING, &data->flags);
+    spin_unlock_irq(&data->txlock);
+    schedule_work(&data->work);
+
+    return 0;
 
 failed:
-       mdelay(URB_CANCELING_DELAY_MS);
-       usb_scuttle_anchored_urbs(&data->deferred);
-       spin_lock_irq(&data->txlock);
-       clear_bit(BTUSB_SUSPENDING, &data->flags);
-       spin_unlock_irq(&data->txlock);
+    mdelay(URB_CANCELING_DELAY_MS);
+    usb_scuttle_anchored_urbs(&data->deferred);
+    spin_lock_irq(&data->txlock);
+    clear_bit(BTUSB_SUSPENDING, &data->flags);
+    spin_unlock_irq(&data->txlock);
 
-       return err;
+    return err;
 }
 #endif
 
 static struct usb_driver btusb_driver = {
-       .name           = "rtk_btusb",
-       .probe          = btusb_probe,
-       .disconnect     = btusb_disconnect,
+    .name        = "rtk_btusb",
+    .probe        = btusb_probe,
+    .disconnect    = btusb_disconnect,
 #ifdef CONFIG_PM
-       .suspend        = btusb_suspend,
-       .resume         = btusb_resume,
+    .suspend    = btusb_suspend,
+    .resume        = btusb_resume,
 #endif
 #if CONFIG_RESET_RESUME
-       .reset_resume   = btusb_resume,
+    .reset_resume    = btusb_resume,
 #endif
-       .id_table       = btusb_table,
-       .supports_autosuspend = 1,
+    .id_table    = btusb_table,
+    .supports_autosuspend = 1,
 #if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1)
-       .disable_hub_initiated_lpm = 1,
+    .disable_hub_initiated_lpm = 1,
 #endif
 };
 
 static int __init btusb_init(void)
 {
-       int err;
+    int err;
 
-       RTKBT_INFO("Realtek Bluetooth USB driver module init, version %s", VERSION);
+    RTKBT_INFO("RTKBT_RELEASE_NAME: %s",RTKBT_RELEASE_NAME);
+    RTKBT_INFO("Realtek Bluetooth USB driver module init, version %s", VERSION);
 #if CONFIG_BLUEDROID
-       err = btchr_init();
-       if (err < 0) {
-               /* usb register will go on, even bt char register failed */
-               RTKBT_ERR("Failed to register usb char device interfaces");
-       } else
-               bt_char_dev_registered = 1;
+    err = btchr_init();
+    if (err < 0) {
+        /* usb register will go on, even bt char register failed */
+        RTKBT_ERR("Failed to register usb char device interfaces");
+    } else
+        bt_char_dev_registered = 1;
 #endif
-       err = usb_register(&btusb_driver);
-       if (err < 0)
-               RTKBT_ERR("Failed to register RTK bluetooth USB driver");
-       return err;
+    err = usb_register(&btusb_driver);
+    if (err < 0)
+        RTKBT_ERR("Failed to register RTK bluetooth USB driver");
+    return err;
 }
 
 static void __exit btusb_exit(void)
 {
-       RTKBT_INFO("Realtek Bluetooth USB driver module exit");
+    RTKBT_INFO("Realtek Bluetooth USB driver module exit");
 #if CONFIG_BLUEDROID
-       if (bt_char_dev_registered > 0)
-               btchr_exit();
+    if (bt_char_dev_registered > 0)
+        btchr_exit();
 #endif
-       usb_deregister(&btusb_driver);
+    usb_deregister(&btusb_driver);
 }
 
 module_init(btusb_init);
 module_exit(btusb_exit);
 
+
+module_param(mp_drv_mode, int, 0644);
+MODULE_PARM_DESC(mp_drv_mode, "0: NORMAL; 1: MP MODE");
+
+
 MODULE_AUTHOR("Realtek Corporation");
 MODULE_DESCRIPTION("Realtek Bluetooth USB driver version");
 MODULE_VERSION(VERSION);
index 4dc390f8d36db369eb08ec8038a5cd3ed71238bb..47fb3d5edbd4f3fce13f11c8623f46f2e3c06dad 100755 (executable)
@@ -35,7 +35,8 @@
 #include <linux/firmware.h>
 #include <linux/suspend.h>
 
-#define CONFIG_BLUEDROID               1 /* bleuz 0, bluedroid 1 */
+#define CONFIG_BLUEDROID        1 /* bleuz 0, bluedroid 1 */
+
 
 /* Some Android system may use standard Linux kernel, while
  * standard Linux may also implement early suspend feature.
 /* when OS suspended, module is still powered,usb is not powered,
  * this may set to 1, and must comply with special patch code.
  */
-#define CONFIG_RESET_RESUME            0
-#define PRINT_CMD_EVENT                        0
-#define PRINT_ACL_DATA                 0
-#define PRINT_SCO_DATA                 0
+#define CONFIG_RESET_RESUME     1
+#define PRINT_CMD_EVENT         0
+#define PRINT_ACL_DATA          0
+#define PRINT_SCO_DATA          0
+
+#define RTKBT_DBG_FLAG          0
+
+#if RTKBT_DBG_FLAG
+#define RTKBT_DBG(fmt, arg...) printk(KERN_INFO "rtk_btusb: " fmt "\n" , ## arg)
+#else
+#define RTKBT_DBG(fmt, arg...)
+#endif
+#define RTKBT_INFO(fmt, arg...) printk(KERN_INFO "rtk_btusb: " fmt "\n" , ## arg)
+#define RTKBT_WARN(fmt, arg...) printk(KERN_WARNING "rtk_btusb: " fmt "\n" , ## arg)
+#define RTKBT_ERR(fmt, arg...) printk(KERN_ERR "rtk_btusb: " fmt "\n" , ## arg)
+
 
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 33)
-#define HDEV_BUS               hdev->bus
-#define USB_RPM                        1
+#define HDEV_BUS        hdev->bus
+#define USB_RPM            1
 #else
-#define HDEV_BUS               hdev->type
-#define USB_RPM                        0
+#define HDEV_BUS        hdev->type
+#define USB_RPM            0
 #endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 38)
 #endif
 
 #if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)
-#define GET_DRV_DATA(x)                hci_get_drvdata(x)
+#define GET_DRV_DATA(x)        hci_get_drvdata(x)
 #else
-#define GET_DRV_DATA(x)                x->driver_data
+#define GET_DRV_DATA(x)        x->driver_data
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
 #define SCO_NUM    hdev->conn_hash.sco_num
-#else
-#define SCO_NUM     hci_conn_num(hdev, SCO_LINK)
-#endif
 
-#define BTUSB_RPM              (0 * USB_RPM) /* 1 SS enable; 0 SS disable */
-#define BTUSB_WAKEUP_HOST              0       /* 1  enable; 0  disable */
-#define BTUSB_MAX_ISOC_FRAMES  10
-#define BTUSB_INTR_RUNNING             0
-#define BTUSB_BULK_RUNNING             1
-#define BTUSB_ISOC_RUNNING             2
-#define BTUSB_SUSPENDING               3
-#define BTUSB_DID_ISO_RESUME   4
+
+#define BTUSB_RPM        (0 * USB_RPM) /* 1 SS enable; 0 SS disable */
+#define BTUSB_WAKEUP_HOST        0    /* 1  enable; 0  disable */
+#define BTUSB_MAX_ISOC_FRAMES    10
+#define BTUSB_INTR_RUNNING        0
+#define BTUSB_BULK_RUNNING        1
+#define BTUSB_ISOC_RUNNING        2
+#define BTUSB_SUSPENDING        3
+#define BTUSB_DID_ISO_RESUME    4
 
 #define HCI_CMD_READ_BD_ADDR 0x1009
 #define HCI_VENDOR_CHANGE_BDRATE 0xfc17
 #define HCI_VENDOR_READ_RTK_ROM_VERISION 0xfc6d
 #define HCI_VENDOR_READ_LMP_VERISION 0x1001
+#define HCI_VENDOR_FORCE_RESET_AND_PATCHABLE 0xfc66
+#define HCI_VENDOR_RESET                       0x0C03
+#define HCI_VENDOR_ADD_WAKE_UP_DEVICE       0xfc7b
+#define HCI_VENDOR_REMOVE_WAKE_UP_DEVICE    0xfc7c
+#define HCI_VENDOR_CLEAR_POWERON_LIST       0xfc7d
+
+#define HCI_VENDOR_USB_DISC_HARDWARE_ERROR   0xFF
+
+#define SET_WAKEUP_DEVICE_CONF      "/data/misc/bluedroid/rtkbt_wakeup_ble.conf"
+
+#define DRV_NORMAL_MODE 0
+#define DRV_MP_MODE 1
+int mp_drv_mode = 0; /* 1 Mptool Fw; 0 Normal Fw */
 
+#define ROM_LMP_NONE                0x0000
 #define ROM_LMP_8723a               0x1200
 #define ROM_LMP_8723b               0x8723
 #define ROM_LMP_8821a               0X8821
 #define ROM_LMP_8761a               0X8761
+#define ROM_LMP_8703a               0x8723
+#define ROM_LMP_8763a               0x8763
+#define ROM_LMP_8703b               0x8703
+#define ROM_LMP_8723c               0x8703
+#define ROM_LMP_8822b               0x8822
+#define ROM_LMP_8723d               0x8723
+#define ROM_LMP_8821c               0x8821
 
 /* signature: Realtek */
 const uint8_t RTK_EPATCH_SIGNATURE[8] = {0x52,0x65,0x61,0x6C,0x74,0x65,0x63,0x68};
@@ -114,37 +145,73 @@ const uint8_t RTK_EPATCH_SIGNATURE[8] = {0x52,0x65,0x61,0x6C,0x74,0x65,0x63,0x68
 const uint8_t EXTENSION_SECTION_SIGNATURE[4] = {0x51,0x04,0xFD,0x77};
 
 uint16_t project_id[] = {
-       ROM_LMP_8723a,
-       ROM_LMP_8723b,
-       ROM_LMP_8821a,
-       ROM_LMP_8761a
+    ROM_LMP_8723a,
+    ROM_LMP_8723b,
+    ROM_LMP_8821a,
+    ROM_LMP_8761a,
+    ROM_LMP_8703a,
+    ROM_LMP_8763a,
+    ROM_LMP_8703b,
+    ROM_LMP_8723c,
+    ROM_LMP_8822b,
+    ROM_LMP_8723d,
+    ROM_LMP_8821c,
+    ROM_LMP_NONE
 };
 struct rtk_eversion_evt {
-       uint8_t status;
-       uint8_t version;
+    uint8_t status;
+    uint8_t version;
+} __attribute__ ((packed));
+
+/*modified by lamparten 1020*/
+struct rtk_reset_evt {
+    uint8_t status;
+} __attribute__ ((packed));
+/*modified by lamparten 1020*/
+
+struct rtk_localversion_evt {
+    uint8_t status;
+    uint8_t hci_version;
+    uint16_t hci_revision;
+    uint8_t lmp_version;
+    uint16_t lmp_manufacture;
+    uint16_t lmp_subversion;
 } __attribute__ ((packed));
 
 struct rtk_epatch_entry {
-       uint16_t chip_id;
-       uint16_t patch_length;
-       uint32_t start_offset;
-       uint32_t coex_version;
-       uint32_t svn_version;
-       uint32_t fw_version;
+    uint16_t chip_id;
+    uint16_t patch_length;
+    uint32_t start_offset;
+    uint32_t coex_version;
+    uint32_t svn_version;
+    uint32_t fw_version;
 } __attribute__ ((packed));
 
 struct rtk_epatch {
-       uint8_t signature[8];
-       uint32_t fw_version;
-       uint16_t number_of_total_patch;
-       struct rtk_epatch_entry entry[0];
+    uint8_t signature[8];
+    uint32_t fw_version;
+    uint16_t number_of_total_patch;
+    struct rtk_epatch_entry entry[0];
 } __attribute__ ((packed));
 
 struct rtk_extension_entry {
-       uint8_t opcode;
-       uint8_t length;
-       uint8_t *data;
+    uint8_t opcode;
+    uint8_t length;
+    uint8_t *data;
 } __attribute__ ((packed));
+
+struct rtk_bt_vendor_config_entry{
+    uint16_t offset;
+    uint8_t entry_len;
+    uint8_t entry_data[0];
+} __attribute__ ((packed));
+
+struct rtk_bt_vendor_config{
+    uint32_t signature;
+    uint16_t data_len;
+    struct rtk_bt_vendor_config_entry entry[0];
+} __attribute__ ((packed));
+
 /* Realtek - For rtk_btusb driver end */
 
 #if CONFIG_BLUEDROID
@@ -154,74 +221,74 @@ struct rtk_extension_entry {
 ** Realtek - Integrate from bluetooth.h **
 *****************************************/
 /* Reserv for core and drivers use */
-#define BT_SKB_RESERVE 8
+#define BT_SKB_RESERVE    8
 
 /* BD Address */
 typedef struct {
-       __u8 b[6];
+    __u8 b[6];
 } __packed bdaddr_t;
 
 /* Skb helpers */
 struct bt_skb_cb {
-       __u8 pkt_type;
-       __u8 incoming;
-       __u16 expect;
-       __u16 tx_seq;
-       __u8 retries;
-       __u8 sar;
-       __u8 force_active;
+    __u8 pkt_type;
+    __u8 incoming;
+    __u16 expect;
+    __u16 tx_seq;
+    __u8 retries;
+    __u8 sar;
+    __u8 force_active;
 };
 
 #define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
 
 static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
 {
-       struct sk_buff *skb;
+    struct sk_buff *skb;
 
-       if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
-               skb_reserve(skb, BT_SKB_RESERVE);
-               bt_cb(skb)->incoming  = 0;
-       }
-       return skb;
+    if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
+        skb_reserve(skb, BT_SKB_RESERVE);
+        bt_cb(skb)->incoming  = 0;
+    }
+    return skb;
 }
 /* Realtek - Integrate from bluetooth.h end */
 
 /***********************************
 ** Realtek - Integrate from hci.h **
 ***********************************/
-#define HCI_MAX_ACL_SIZE       1024
-#define HCI_MAX_SCO_SIZE       255
-#define HCI_MAX_EVENT_SIZE     260
-#define HCI_MAX_FRAME_SIZE     (HCI_MAX_ACL_SIZE + 4)
+#define HCI_MAX_ACL_SIZE    1024
+#define HCI_MAX_SCO_SIZE    255
+#define HCI_MAX_EVENT_SIZE    260
+#define HCI_MAX_FRAME_SIZE    (HCI_MAX_ACL_SIZE + 4)
 
 /* HCI bus types */
-#define HCI_VIRTUAL    0
-#define HCI_USB                1
-#define HCI_PCCARD     2
-#define HCI_UART       3
-#define HCI_RS232      4
-#define HCI_PCI                5
-#define HCI_SDIO       6
+#define HCI_VIRTUAL    0
+#define HCI_USB        1
+#define HCI_PCCARD    2
+#define HCI_UART    3
+#define HCI_RS232    4
+#define HCI_PCI        5
+#define HCI_SDIO    6
 
 /* HCI controller types */
-#define HCI_BREDR      0x00
-#define HCI_AMP                0x01
+#define HCI_BREDR    0x00
+#define HCI_AMP        0x01
 
 /* HCI device flags */
 enum {
-       HCI_UP,
-       HCI_INIT,
-       HCI_RUNNING,
+    HCI_UP,
+    HCI_INIT,
+    HCI_RUNNING,
 
-       HCI_PSCAN,
-       HCI_ISCAN,
-       HCI_AUTH,
-       HCI_ENCRYPT,
-       HCI_INQUIRY,
+    HCI_PSCAN,
+    HCI_ISCAN,
+    HCI_AUTH,
+    HCI_ENCRYPT,
+    HCI_INQUIRY,
 
-       HCI_RAW,
+    HCI_RAW,
 
-       HCI_RESET,
+    HCI_RESET,
 };
 
 /*
@@ -229,49 +296,49 @@ enum {
  * states from the controller.
  */
 enum {
-       HCI_SETUP,
-       HCI_AUTO_OFF,
-       HCI_MGMT,
-       HCI_PAIRABLE,
-       HCI_SERVICE_CACHE,
-       HCI_LINK_KEYS,
-       HCI_DEBUG_KEYS,
-       HCI_UNREGISTER,
-
-       HCI_LE_SCAN,
-       HCI_SSP_ENABLED,
-       HCI_HS_ENABLED,
-       HCI_LE_ENABLED,
-       HCI_CONNECTABLE,
-       HCI_DISCOVERABLE,
-       HCI_LINK_SECURITY,
-       HCI_PENDING_CLASS,
+    HCI_SETUP,
+    HCI_AUTO_OFF,
+    HCI_MGMT,
+    HCI_PAIRABLE,
+    HCI_SERVICE_CACHE,
+    HCI_LINK_KEYS,
+    HCI_DEBUG_KEYS,
+    HCI_UNREGISTER,
+
+    HCI_LE_SCAN,
+    HCI_SSP_ENABLED,
+    HCI_HS_ENABLED,
+    HCI_LE_ENABLED,
+    HCI_CONNECTABLE,
+    HCI_DISCOVERABLE,
+    HCI_LINK_SECURITY,
+    HCI_PENDING_CLASS,
 };
 
 /* HCI data types */
-#define HCI_COMMAND_PKT                0x01
-#define HCI_ACLDATA_PKT                0x02
-#define HCI_SCODATA_PKT                0x03
-#define HCI_EVENT_PKT          0x04
-#define HCI_VENDOR_PKT         0xff
+#define HCI_COMMAND_PKT        0x01
+#define HCI_ACLDATA_PKT        0x02
+#define HCI_SCODATA_PKT        0x03
+#define HCI_EVENT_PKT        0x04
+#define HCI_VENDOR_PKT        0xff
 
-#define HCI_MAX_NAME_LENGTH            248
-#define HCI_MAX_EIR_LENGTH             240
+#define HCI_MAX_NAME_LENGTH        248
+#define HCI_MAX_EIR_LENGTH        240
 
-#define HCI_OP_READ_LOCAL_VERSION      0x1001
+#define HCI_OP_READ_LOCAL_VERSION    0x1001
 struct hci_rp_read_local_version {
-       __u8     status;
-       __u8     hci_ver;
-       __le16   hci_rev;
-       __u8     lmp_ver;
-       __le16   manufacturer;
-       __le16   lmp_subver;
+    __u8     status;
+    __u8     hci_ver;
+    __le16   hci_rev;
+    __u8     lmp_ver;
+    __le16   manufacturer;
+    __le16   lmp_subver;
 } __packed;
 
-#define HCI_EV_CMD_COMPLETE            0x0e
+#define HCI_EV_CMD_COMPLETE        0x0e
 struct hci_ev_cmd_complete {
-       __u8     ncmd;
-       __le16   opcode;
+    __u8     ncmd;
+    __le16   opcode;
 } __packed;
 
 /* ---- HCI Packet structures ---- */
@@ -281,52 +348,52 @@ struct hci_ev_cmd_complete {
 #define HCI_SCO_HDR_SIZE     3
 
 struct hci_command_hdr {
-       __le16  opcode;         /* OCF & OGF */
-       __u8    plen;
+    __le16    opcode;        /* OCF & OGF */
+    __u8    plen;
 } __packed;
 
 struct hci_event_hdr {
-       __u8    evt;
-       __u8    plen;
+    __u8    evt;
+    __u8    plen;
 } __packed;
 
 struct hci_acl_hdr {
-       __le16  handle;         /* Handle & Flags(PB, BC) */
-       __le16  dlen;
+    __le16    handle;        /* Handle & Flags(PB, BC) */
+    __le16    dlen;
 } __packed;
 
 struct hci_sco_hdr {
-       __le16  handle;
-       __u8    dlen;
+    __le16    handle;
+    __u8    dlen;
 } __packed;
 
 static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)
 {
-       return (struct hci_event_hdr *) skb->data;
+    return (struct hci_event_hdr *) skb->data;
 }
 
 static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb)
 {
-       return (struct hci_acl_hdr *) skb->data;
+    return (struct hci_acl_hdr *) skb->data;
 }
 
 static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
 {
-       return (struct hci_sco_hdr *) skb->data;
+    return (struct hci_sco_hdr *) skb->data;
 }
 
 /* ---- HCI Ioctl requests structures ---- */
 struct hci_dev_stats {
-       __u32 err_rx;
-       __u32 err_tx;
-       __u32 cmd_tx;
-       __u32 evt_rx;
-       __u32 acl_tx;
-       __u32 acl_rx;
-       __u32 sco_tx;
-       __u32 sco_rx;
-       __u32 byte_rx;
-       __u32 byte_tx;
+    __u32 err_rx;
+    __u32 err_tx;
+    __u32 cmd_tx;
+    __u32 evt_rx;
+    __u32 acl_tx;
+    __u32 acl_rx;
+    __u32 sco_tx;
+    __u32 sco_rx;
+    __u32 byte_rx;
+    __u32 byte_tx;
 };
 /* Realtek - Integrate from hci.h end */
 
@@ -334,159 +401,318 @@ struct hci_dev_stats {
 ** Realtek - Integrate from hci_core.h  **
 *****************************************/
 struct hci_conn_hash {
-       struct list_head list;
-       unsigned int     acl_num;
-       unsigned int     sco_num;
-       unsigned int     le_num;
+    struct list_head list;
+    unsigned int     acl_num;
+    unsigned int     sco_num;
+    unsigned int     le_num;
 };
 
-#define HCI_MAX_SHORT_NAME_LENGTH      10
+#define HCI_MAX_SHORT_NAME_LENGTH    10
 
 #define NUM_REASSEMBLY 4
 struct hci_dev {
-       struct mutex    lock;
+    struct mutex    lock;
 
-       char            name[8];
-       unsigned long   flags;
-       __u16           id;
-       __u8            bus;
-       __u8            dev_type;
+    char        name[8];
+    unsigned long    flags;
+    __u16        id;
+    __u8        bus;
+    __u8        dev_type;
 
-       struct sk_buff          *reassembly[NUM_REASSEMBLY];
+    struct sk_buff        *reassembly[NUM_REASSEMBLY];
 
-       struct hci_conn_hash    conn_hash;
+    struct hci_conn_hash    conn_hash;
 
-       struct hci_dev_stats    stat;
+    struct hci_dev_stats    stat;
 
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
-       atomic_t        refcnt;
-       struct module           *owner;
-       void                    *driver_data;
+    atomic_t        refcnt;
+    struct module           *owner;
+    void                    *driver_data;
 #endif
 
-       atomic_t                promisc;
+    atomic_t        promisc;
 
-    struct device              *parent;
-       struct device           dev;
+    struct device        *parent;
+    struct device        dev;
 
-       unsigned long           dev_flags;
+    unsigned long        dev_flags;
 
-       int (*open)(struct hci_dev *hdev);
-       int (*close)(struct hci_dev *hdev);
-       int (*flush)(struct hci_dev *hdev);
-       int (*send)(struct sk_buff *skb);
+    int (*open)(struct hci_dev *hdev);
+    int (*close)(struct hci_dev *hdev);
+    int (*flush)(struct hci_dev *hdev);
+    int (*send)(struct sk_buff *skb);
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
-       void (*destruct)(struct hci_dev *hdev);
+    void (*destruct)(struct hci_dev *hdev);
 #endif
 #if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1)
-       __u16               voice_setting;
+    __u16               voice_setting;
 #endif
-       void (*notify)(struct hci_dev *hdev, unsigned int evt);
-       int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
+    void (*notify)(struct hci_dev *hdev, unsigned int evt);
+    int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
 };
 
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
 {
-       atomic_inc(&d->refcnt);
-       return d;
+    atomic_inc(&d->refcnt);
+    return d;
 }
 
 static inline void __hci_dev_put(struct hci_dev *d)
 {
-       if (atomic_dec_and_test(&d->refcnt))
-               d->destruct(d);
+    if (atomic_dec_and_test(&d->refcnt))
+        d->destruct(d);
 }
 #endif
 
 static inline void *hci_get_drvdata(struct hci_dev *hdev)
 {
-       return dev_get_drvdata(&hdev->dev);
+    return dev_get_drvdata(&hdev->dev);
 }
 
-static inline int hci_set_drvdata(struct hci_dev *hdev, void *data)
+static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
 {
-       return dev_set_drvdata(&hdev->dev, data);
+    dev_set_drvdata(&hdev->dev, data);
 }
 
 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
 /* Realtek - Integrate from hci_core.h end */
 
 /* -----  HCI Commands ---- */
-#define HCI_OP_INQUIRY                 0x0401
-#define HCI_OP_INQUIRY_CANCEL          0x0402
-#define HCI_OP_EXIT_PERIODIC_INQ       0x0404
-#define HCI_OP_CREATE_CONN             0x0405
-#define HCI_OP_DISCONNECT                              0x0406
-#define HCI_OP_ADD_SCO                 0x0407
-#define HCI_OP_CREATE_CONN_CANCEL      0x0408
-#define HCI_OP_ACCEPT_CONN_REQ         0x0409
-#define HCI_OP_REJECT_CONN_REQ         0x040a
-#define HCI_OP_LINK_KEY_REPLY          0x040b
-#define HCI_OP_LINK_KEY_NEG_REPLY      0x040c
-#define HCI_OP_PIN_CODE_REPLY          0x040d
-#define HCI_OP_PIN_CODE_NEG_REPLY      0x040e
-#define HCI_OP_CHANGE_CONN_PTYPE       0x040f
-#define HCI_OP_AUTH_REQUESTED          0x0411
-#define HCI_OP_SET_CONN_ENCRYPT                0x0413
-#define HCI_OP_CHANGE_CONN_LINK_KEY    0x0415
-#define HCI_OP_REMOTE_NAME_REQ         0x0419
-#define HCI_OP_REMOTE_NAME_REQ_CANCEL  0x041a
-#define HCI_OP_READ_REMOTE_FEATURES    0x041b
-#define HCI_OP_READ_REMOTE_EXT_FEATURES        0x041c
-#define HCI_OP_READ_REMOTE_VERSION     0x041d
-#define HCI_OP_SETUP_SYNC_CONN         0x0428
-#define HCI_OP_ACCEPT_SYNC_CONN_REQ    0x0429
-#define HCI_OP_REJECT_SYNC_CONN_REQ    0x042a
-#define HCI_OP_SNIFF_MODE              0x0803
-#define HCI_OP_EXIT_SNIFF_MODE         0x0804
-#define HCI_OP_ROLE_DISCOVERY          0x0809
-#define HCI_OP_SWITCH_ROLE             0x080b
-#define HCI_OP_READ_LINK_POLICY                0x080c
-#define HCI_OP_WRITE_LINK_POLICY       0x080d
-#define HCI_OP_READ_DEF_LINK_POLICY    0x080e
-#define HCI_OP_WRITE_DEF_LINK_POLICY   0x080f
-#define HCI_OP_SNIFF_SUBRATE           0x0811
-#define HCI_OP_SET_EVENT_MASK          0x0c01
-#define HCI_OP_RESET                   0x0c03
-#define HCI_OP_SET_EVENT_FLT           0x0c05
+#define HCI_OP_INQUIRY            0x0401
+#define HCI_OP_INQUIRY_CANCEL        0x0402
+#define HCI_OP_EXIT_PERIODIC_INQ    0x0404
+#define HCI_OP_CREATE_CONN        0x0405
+#define HCI_OP_DISCONNECT                0x0406
+#define HCI_OP_ADD_SCO            0x0407
+#define HCI_OP_CREATE_CONN_CANCEL    0x0408
+#define HCI_OP_ACCEPT_CONN_REQ        0x0409
+#define HCI_OP_REJECT_CONN_REQ        0x040a
+#define HCI_OP_LINK_KEY_REPLY        0x040b
+#define HCI_OP_LINK_KEY_NEG_REPLY    0x040c
+#define HCI_OP_PIN_CODE_REPLY        0x040d
+#define HCI_OP_PIN_CODE_NEG_REPLY    0x040e
+#define HCI_OP_CHANGE_CONN_PTYPE    0x040f
+#define HCI_OP_AUTH_REQUESTED        0x0411
+#define HCI_OP_SET_CONN_ENCRYPT        0x0413
+#define HCI_OP_CHANGE_CONN_LINK_KEY    0x0415
+#define HCI_OP_REMOTE_NAME_REQ        0x0419
+#define HCI_OP_REMOTE_NAME_REQ_CANCEL    0x041a
+#define HCI_OP_READ_REMOTE_FEATURES    0x041b
+#define HCI_OP_READ_REMOTE_EXT_FEATURES    0x041c
+#define HCI_OP_READ_REMOTE_VERSION    0x041d
+#define HCI_OP_SETUP_SYNC_CONN        0x0428
+#define HCI_OP_ACCEPT_SYNC_CONN_REQ    0x0429
+#define HCI_OP_REJECT_SYNC_CONN_REQ    0x042a
+#define HCI_OP_SNIFF_MODE        0x0803
+#define HCI_OP_EXIT_SNIFF_MODE        0x0804
+#define HCI_OP_ROLE_DISCOVERY        0x0809
+#define HCI_OP_SWITCH_ROLE        0x080b
+#define HCI_OP_READ_LINK_POLICY        0x080c
+#define HCI_OP_WRITE_LINK_POLICY    0x080d
+#define HCI_OP_READ_DEF_LINK_POLICY    0x080e
+#define HCI_OP_WRITE_DEF_LINK_POLICY    0x080f
+#define HCI_OP_SNIFF_SUBRATE        0x0811
+#define HCI_OP_SET_EVENT_MASK        0x0c01
+#define HCI_OP_RESET            0x0c03
+#define HCI_OP_SET_EVENT_FLT        0x0c05
+#define HCI_OP_Write_Extended_Inquiry_Response        0x0c52
 
 /* -----  HCI events---- */
-#define HCI_OP_DISCONNECT              0x0406
-#define HCI_EV_INQUIRY_COMPLETE                0x01
-#define HCI_EV_INQUIRY_RESULT          0x02
-#define HCI_EV_CONN_COMPLETE           0x03
-#define HCI_EV_CONN_REQUEST                    0x04
-#define HCI_EV_DISCONN_COMPLETE                0x05
-#define HCI_EV_AUTH_COMPLETE           0x06
-#define HCI_EV_REMOTE_NAME                     0x07
-#define HCI_EV_ENCRYPT_CHANGE          0x08
-#define HCI_EV_CHANGE_LINK_KEY_COMPLETE        0x09
-
-#define HCI_EV_REMOTE_FEATURES         0x0b
-#define HCI_EV_REMOTE_VERSION          0x0c
-#define HCI_EV_QOS_SETUP_COMPLETE      0x0d
-#define HCI_EV_CMD_COMPLETE                    0x0e
-#define HCI_EV_CMD_STATUS                      0x0f
-
-#define HCI_EV_ROLE_CHANGE                     0x12
-#define HCI_EV_NUM_COMP_PKTS           0x13
-#define HCI_EV_MODE_CHANGE                     0x14
-#define HCI_EV_PIN_CODE_REQ                    0x16
-#define HCI_EV_LINK_KEY_REQ                    0x17
-#define HCI_EV_LINK_KEY_NOTIFY         0x18
-#define HCI_EV_CLOCK_OFFSET                    0x1c
-#define HCI_EV_PKT_TYPE_CHANGE         0x1d
-#define HCI_EV_PSCAN_REP_MODE          0x20
-
-#define HCI_EV_INQUIRY_RESULT_WITH_RSSI        0x22
-#define HCI_EV_REMOTE_EXT_FEATURES     0x23
-#define HCI_EV_SYNC_CONN_COMPLETE      0x2c
-#define HCI_EV_SYNC_CONN_CHANGED       0x2d
-#define HCI_EV_SNIFF_SUBRATE                   0x2e
-#define HCI_EV_EXTENDED_INQUIRY_RESULT 0x2f
-#define HCI_EV_IO_CAPA_REQUEST         0x31
-#define HCI_EV_SIMPLE_PAIR_COMPLETE    0x36
-#define HCI_EV_REMOTE_HOST_FEATURES    0x3d
+#define HCI_OP_DISCONNECT        0x0406
+#define HCI_EV_INQUIRY_COMPLETE        0x01
+#define HCI_EV_INQUIRY_RESULT        0x02
+#define HCI_EV_CONN_COMPLETE        0x03
+#define HCI_EV_CONN_REQUEST            0x04
+#define HCI_EV_DISCONN_COMPLETE        0x05
+#define HCI_EV_AUTH_COMPLETE        0x06
+#define HCI_EV_REMOTE_NAME            0x07
+#define HCI_EV_ENCRYPT_CHANGE        0x08
+#define HCI_EV_CHANGE_LINK_KEY_COMPLETE    0x09
+
+#define HCI_EV_REMOTE_FEATURES        0x0b
+#define HCI_EV_REMOTE_VERSION        0x0c
+#define HCI_EV_QOS_SETUP_COMPLETE    0x0d
+#define HCI_EV_CMD_COMPLETE            0x0e
+#define HCI_EV_CMD_STATUS            0x0f
+
+#define HCI_EV_ROLE_CHANGE            0x12
+#define HCI_EV_NUM_COMP_PKTS        0x13
+#define HCI_EV_MODE_CHANGE            0x14
+#define HCI_EV_PIN_CODE_REQ            0x16
+#define HCI_EV_LINK_KEY_REQ            0x17
+#define HCI_EV_LINK_KEY_NOTIFY        0x18
+#define HCI_EV_CLOCK_OFFSET            0x1c
+#define HCI_EV_PKT_TYPE_CHANGE        0x1d
+#define HCI_EV_PSCAN_REP_MODE        0x20
+
+#define HCI_EV_INQUIRY_RESULT_WITH_RSSI    0x22
+#define HCI_EV_REMOTE_EXT_FEATURES    0x23
+#define HCI_EV_SYNC_CONN_COMPLETE    0x2c
+#define HCI_EV_SYNC_CONN_CHANGED    0x2d
+#define HCI_EV_SNIFF_SUBRATE            0x2e
+#define HCI_EV_EXTENDED_INQUIRY_RESULT    0x2f
+#define HCI_EV_IO_CAPA_REQUEST        0x31
+#define HCI_EV_SIMPLE_PAIR_COMPLETE    0x36
+#define HCI_EV_REMOTE_HOST_FEATURES    0x3d
+
+#define CONFIG_MAC_OFFSET_GEN_1_2       (0x3C)      //MAC's OFFSET in config/efuse for realtek generation 1~2 bluetooth chip
+#define CONFIG_MAC_OFFSET_GEN_3PLUS     (0x44)      //MAC's OFFSET in config/efuse for rtk generation 3+ bluetooth chip
+
+/*******************************
+**    Reasil patch code
+********************************/
+#define CMD_CMP_EVT        0x0e
+#define PKT_LEN            300
+#define MSG_TO            1000
+#define PATCH_SEG_MAX    252
+#define DATA_END        0x80
+#define DOWNLOAD_OPCODE    0xfc20
+#define BTOFF_OPCODE    0xfc28
+#define TRUE            1
+#define FALSE            0
+#define CMD_HDR_LEN        sizeof(struct hci_command_hdr)
+#define EVT_HDR_LEN        sizeof(struct hci_event_hdr)
+#define CMD_CMP_LEN        sizeof(struct hci_ev_cmd_complete)
+#define MAX_PATCH_SIZE_24K (1024*24)
+#define MAX_PATCH_SIZE_40K (1024*40)
+
+enum rtk_endpoit {
+    CTRL_EP = 0,
+    INTR_EP = 1,
+    BULK_EP = 2,
+    ISOC_EP = 3
+};
+
+typedef struct {
+    uint16_t    vid;
+    uint16_t    pid;
+    uint16_t    lmp_sub_default;
+    uint16_t    lmp_sub;
+    uint16_t    eversion;
+    char        *mp_patch_name;
+    char        *patch_name;
+    char        *config_name;
+    uint8_t     *fw_cache;
+    int         fw_len;
+    uint16_t    mac_offset;
+    uint32_t    max_patch_size;
+} patch_info;
+
+typedef struct {
+    struct usb_interface    *intf;
+    struct usb_device        *udev;
+    patch_info *patch_entry;
+    int            pipe_in, pipe_out;
+    uint8_t        *send_pkt;
+    uint8_t        *rcv_pkt;
+    struct hci_command_hdr        *cmd_hdr;
+    struct hci_event_hdr        *evt_hdr;
+    struct hci_ev_cmd_complete    *cmd_cmp;
+    uint8_t        *req_para,    *rsp_para;
+    uint8_t        *fw_data;
+    int            pkt_len;
+    int            fw_len;
+} firmware_info;
+
+typedef struct {
+    uint8_t index;
+    uint8_t data[PATCH_SEG_MAX];
+} __attribute__((packed)) download_cp;
+
+typedef struct {
+    uint8_t status;
+    uint8_t index;
+} __attribute__((packed)) download_rp;
+
+
+
+//Define ioctl cmd the same as HCIDEVUP in the kernel
+#define DOWN_FW_CFG  _IOW('H', 201, int)
+
+
+/*  for altsettings*/
+#include <linux/fs.h>
+#define BDADDR_FILE "/data/misc/bluetooth/bdaddr"
+#define FACTORY_BT_BDADDR_STORAGE_LEN 17
+
+static inline int getmacaddr(uint8_t * vnd_local_bd_addr)
+{
+    struct file  *bdaddr_file;
+    mm_segment_t oldfs;
+    char buf[FACTORY_BT_BDADDR_STORAGE_LEN];
+    int32_t i = 0;
+    memset(buf, 0, FACTORY_BT_BDADDR_STORAGE_LEN);
+    bdaddr_file = filp_open(BDADDR_FILE, O_RDONLY, 0);
+    if (IS_ERR(bdaddr_file)){
+        RTKBT_INFO("No Mac Config for BT\n");
+        return -1;
+    }
+    oldfs = get_fs(); set_fs(KERNEL_DS);
+    bdaddr_file->f_op->llseek(bdaddr_file, 0, 0);
+    bdaddr_file->f_op->read(bdaddr_file, buf, FACTORY_BT_BDADDR_STORAGE_LEN, &bdaddr_file->f_pos);
+    for (i = 0; i < 6; i++) {
+     if(buf[3*i]>'9')
+     {
+         if(buf[3*i]>'Z')
+              buf[3*i] -=('a'-'A'); //change  a to A
+         buf[3*i] -= ('A'-'9'-1);
+     }
+     if(buf[3*i+1]>'9')
+     {
+        if(buf[3*i+1]>'Z')
+              buf[3*i+1] -=('a'-'A'); //change  a to A
+         buf[3*i+1] -= ('A'-'9'-1);
+     }
+     vnd_local_bd_addr[5-i] = ((uint8_t)buf[3*i]-'0')*16 + ((uint8_t)buf[3*i+1]-'0');
+    }
+    set_fs(oldfs);
+    filp_close(bdaddr_file, NULL);
+    return 0;
+}
+
+static inline int getAltSettings(patch_info *patch_entry, unsigned short *offset, int max_group_cnt)
+{
+    int n = 0;
+    if(patch_entry)
+        offset[n++] = patch_entry->mac_offset;
+/*
+//sample code, add special settings
+
+    offset[n++] = 0x15B;
+*/
+    return n;
+}
+static inline int getAltSettingVal(patch_info *patch_entry, unsigned short offset, unsigned char * val)
+{
+    int res = 0;
+
+    switch(offset)
+    {
+/*
+//sample code, add special settings
+        case 0x15B:
+            val[0] = 0x0B;
+            val[1] = 0x0B;
+            val[2] = 0x0B;
+            val[3] = 0x0B;
+            res = 4;
+            break;
+*/
+        default:
+            res = 0;
+            break;
+    }
+
+    if((patch_entry)&&(offset == patch_entry->mac_offset)&&(res == 0))
+    {
+        if(getmacaddr(val) == 0){
+            RTKBT_INFO("MAC: %02x:%02x:%02x:%02x:%02x:%02x", val[5], val[4], val[3], val[2], val[1], val[0]);
+            res = 6;
+        }
+    }
+    return res;
+}
 
 #endif /* CONFIG_BLUEDROID */