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rk312x adc,author xhc:save old capacity on android

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This commit is contained in:
zyk
2014-11-21 09:38:47 +08:00
parent 058d627c10
commit 501c4c7d9a
1 changed files with 36 additions and 6 deletions
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42
drivers/power/rk30_factory_adc_battery.c
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@@ -91,7 +91,7 @@ do {\
#define BATT_FILENAME "/data/bat_last_capacity.dat"
//#define BATT_FILENAME "/data/bat_last_capacity.dat"
#define BATTERY_APK
@@ -103,6 +103,7 @@ int gVoltageCnt = 3400;
int gDoubleVoltageCnt = 6800;
unsigned long gSecondsCnt = 0;
char gDischargeFlag[4] = {"on "};
static int g_old_cap = -1;
#if 1
#define BATT_MAX_VOL_VALUE 4250/*Full charge volatge*/
@@ -341,11 +342,36 @@ static ssize_t rkbatt_restore_flag_attrs(struct device *dev,
}
return size;
}
static ssize_t rkbatt_show_oldcap_attrs(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", g_old_cap);
}
static ssize_t rkbatt_restore_oldcap_attrs(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
int old_cap;
sscanf(buf, "%d", &old_cap);
if(old_cap >= 0 && old_cap <= 100)
{
g_old_cap = old_cap;
}
else
{
dev_err(dev, "rk29adc_restore_oldcap_attrs err\n");
}
return size;
}
static struct device_attribute rkbatt_attrs[] = {
__ATTR(state, 0664, rkbatt_show_state_attrs, rkbatt_restore_state_attrs),
__ATTR(debug, 0664, rkbatt_show_debug_attrs, rkbatt_restore_debug_attrs),
__ATTR(value, 0555, rkbatt_show_value_attrs, rkbatt_restore_value_attrs),
__ATTR(flag, 0555, rkbatt_show_flag_attrs, rkbatt_restore_flag_attrs),
__ATTR(oldcap, 0664, rkbatt_show_oldcap_attrs, rkbatt_restore_oldcap_attrs),
};
static int rk_adc_battery_iio_read(struct rk30_adc_battery_platform_data *data)
@@ -385,6 +411,7 @@ error:
#endif
#if 0
static int rk30_adc_battery_load_capacity(void)
{
char value[4];
@@ -417,6 +444,7 @@ static void rk30_adc_battery_put_capacity(int loadcapacity)
sys_write(fd, (const char __user *)value, 4);
sys_close(fd);
}
#endif
static BLOCKING_NOTIFIER_HEAD(adc_battery_chain_head);
int register_adc_battery_notifier(struct notifier_block *nb)
@@ -1349,12 +1377,13 @@ static void rk30_adc_battery_poweron_capacity_check(struct rk30_adc_battery_data
new_capacity = bat ->bat_capacity;
while( cnt -- ){
old_capacity = rk30_adc_battery_load_capacity();
if( old_capacity >= 0 ){
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);
if ((old_capacity < 0) || (old_capacity > 100)){
old_capacity = new_capacity;
@@ -1369,7 +1398,7 @@ static void rk30_adc_battery_poweron_capacity_check(struct rk30_adc_battery_data
//chargeing state
bat->bat_capacity = (old_capacity < 10) ? (old_capacity + 2) : old_capacity;
}else{
bat ->bat_capacity = old_capacity + 5;
bat ->bat_capacity = old_capacity;
if(bat->bat_capacity == 100)
bat->bat_capacity = 99;
if(bat->bat_capacity == 0)
@@ -1751,7 +1780,7 @@ static void rk30_adc_battery_timer_work(struct work_struct *work)
}
}
rk30_adc_battery_put_capacity(bat ->bat_capacity);
// rk30_adc_battery_put_capacity(bat ->bat_capacity);
power_supply_changed(&bat ->bat);
power_supply_changed(&bat ->ac);
#if defined (CONFIG_BATTERY_RK30_USB_CHARGE)
@@ -2374,7 +2403,8 @@ static int rk30_adc_battery_probe(struct platform_device *pdev)
// data->wq = create_singlethread_workqueue("adc_battd");
INIT_DELAYED_WORK(&data->delay_work, rk30_adc_battery_timer_work);
if (1 == data->pdata->save_capacity) {
//if (1 == data->pdata->save_capacity) {
if (1) {
queue_delayed_work(data->wq, &data->delay_work, msecs_to_jiffies(TIMER_MS_COUNTS*10));
data ->poweron_check = 1;
}else{