rk312x adc battery: save capacity increment from uboot

[firefly-linux-kernel-4.4.55.git] / drivers / power / rk30_factory_adc_battery.c

diff --git a/drivers/power/rk30_factory_adc_battery.c b/drivers/power/rk30_factory_adc_battery.c
index 9f31c0d704e45ce605258f83a819c2d4bb34d2b7..f435bd0fc3d7b9bab9600af0a082b73b677cbe42 100755 (executable)
--- a/drivers/power/rk30_factory_adc_battery.c
+++ b/drivers/power/rk30_factory_adc_battery.c
@@ -104,6 +104,7 @@ int    gDoubleVoltageCnt = 6800;
 unsigned long gSecondsCnt = 0;
 char gDischargeFlag[4] = {"on "};
 static int    g_old_cap = -1;
+static int g_uboot_incre = 0;
 
 #if 1
 #define BATT_MAX_VOL_VALUE     4250/*Full  charge volatge*/
@@ -343,6 +344,17 @@ static ssize_t rkbatt_restore_flag_attrs(struct device *dev,
        return size;
 }
 
+static int __init adc_bootloader_setup(char *str)
+{
+
+       if(str) {
+               printk("adc.incre is %s\n", str);
+               sscanf(str, "%d", &g_uboot_incre);
+       }
+       return 0;
+}
+early_param("adc.incre", adc_bootloader_setup);
+
 static ssize_t rkbatt_show_oldcap_attrs(struct device *dev, struct device_attribute *attr, char *buf) 
 {                               
        return sprintf(buf, "%d\n", g_old_cap);
@@ -1377,13 +1389,16 @@ static void rk30_adc_battery_poweron_capacity_check(struct rk30_adc_battery_data
        new_capacity = bat ->bat_capacity;
                
        while( cnt -- ){
+               g_old_cap = g_old_cap + g_uboot_incre;
+               if(g_old_cap > 100)
+                       g_old_cap = 100;
            old_capacity = g_old_cap;   // rk30_adc_battery_load_capacity();
            if( old_capacity != -1 ){
                break ;
            }
            msleep(100);
        }
-        printk("func:%s; line:%d; old_capacity = %d; new_capacity = %d\n", __func__, __LINE__, old_capacity, new_capacity);
+        printk("func:%s; line:%d; old_capacity = %d; new_capacity = %d; g_uboot_incre = %d\n", __func__, __LINE__, old_capacity, new_capacity,g_uboot_incre);
 
        if ((old_capacity < 0) || (old_capacity > 100)){
                old_capacity = new_capacity;