V4L/DVB (5809): Use mutex instead of semaphore in Philips webcam driver

[firefly-linux-kernel-4.4.55.git] / drivers / media / video / pwc / pwc.h

diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h
index 7e9c4237d1e8ad145835c88d4a9e0625e8eb3ed5..910a04f539202a2d6a5f3b2adb879c7c551a69b1 100644 (file)
--- a/drivers/media/video/pwc/pwc.h
+++ b/drivers/media/video/pwc/pwc.h
@@ -31,7 +31,7 @@
 #include <linux/wait.h>
 #include <linux/smp_lock.h>
 #include <linux/version.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <asm/errno.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
@@ -39,17 +39,12 @@
 #include "pwc-uncompress.h"
 #include <media/pwc-ioctl.h>
 
-/* Turn some debugging options on/off */
-#ifndef CONFIG_PWC_DEBUG
-#define CONFIG_PWC_DEBUG 1
-#endif
-
 /* Version block */
 #define PWC_MAJOR      10
 #define PWC_MINOR      0
 #define PWC_EXTRAMINOR 12
 #define PWC_VERSION_CODE KERNEL_VERSION(PWC_MAJOR,PWC_MINOR,PWC_EXTRAMINOR)
-#define PWC_VERSION    "10.0.12"
+#define PWC_VERSION    "10.0.13"
 #define PWC_NAME       "pwc"
 #define PFX            PWC_NAME ": "
 
@@ -76,7 +71,7 @@
 #define PWC_DEBUG_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args)
 
 
-#if CONFIG_PWC_DEBUG
+#ifdef CONFIG_USB_PWC_DEBUG
 
 #define PWC_DEBUG_LEVEL        (PWC_DEBUG_LEVEL_MODULE)
 
@@ -90,7 +85,7 @@
 #define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args)
 #define PWC_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args)
 
-#else /* if ! CONFIG_PWC_DEBUG */
+#else /* if ! CONFIG_USB_PWC_DEBUG */
 
 #define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args)
 #define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args)
@@ -249,7 +244,7 @@ struct pwc_device
    int image_read_pos;                 /* In case we read data in pieces, keep track of were we are in the imagebuffer */
    int image_used[MAX_IMAGES];         /* For MCAPTURE and SYNC */
 
-   struct semaphore modlock;           /* to prevent races in video_open(), etc */
+   struct mutex modlock;               /* to prevent races in video_open(), etc */
    spinlock_t ptrlock;                 /* for manipulating the buffer pointers */
 
    /*** motorized pan/tilt feature */
@@ -270,7 +265,7 @@ extern "C" {
 #endif
 
 /* Global variables */
-#if CONFIG_PWC_DEBUG
+#ifdef CONFIG_USB_PWC_DEBUG
 extern int pwc_trace;
 #endif
 extern int pwc_mbufs;
@@ -292,6 +287,7 @@ void pwc_construct(struct pwc_device *pdev);
 /** Functions in pwc-ctrl.c */
 /* Request a certain video mode. Returns < 0 if not possible */
 extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot);
+extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size);
 /* Calculate the number of bytes per image (not frame) */
 extern int pwc_mpt_reset(struct pwc_device *pdev, int flags);
 extern int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt);