<3.4V cacptity = 0

diff --git a/drivers/power/bq27541_battery.c b/drivers/power/bq27541_battery.c
old mode 100644 (file)
new mode 100755 (executable)
index 9391fdf..8e8b2f8
--- a/drivers/power/bq27541_battery.c
+++ b/drivers/power/bq27541_battery.c
@@ -74,6 +74,7 @@ struct bq27541_device_info {
        unsigned int interval;
        unsigned int dc_check_pin;
        unsigned int bat_num;
+       int power_down;
 };
   
 static struct bq27541_device_info *bq27541_di;
@@ -211,10 +212,9 @@ static int bq27541_battery_voltage(struct bq27541_device_info *di)
        
        if ((volt <= 3400000)  && (volt > 0)){
                printk("vol smaller then 3.4V, shutdown");
-               while(1){
-                       gpio_set_value(POWER_ON_PIN, GPIO_LOW);
-                       mdelay(100);
-               }
+               di->power_down = 1;
+       }else{
+               di->power_down = 0;
        }
 
 
@@ -483,7 +483,11 @@ static int bq27541_battery_get_property(struct power_supply *psy,
                val->intval = bq27541_battery_current(di);
                break;
        case POWER_SUPPLY_PROP_CAPACITY:
-               val->intval = bq27541_battery_rsoc(di);
+               if (!(di->power_down)){      // < 3.4V    power down ,capacity = 0;
+                       val->intval = bq27541_battery_rsoc(di);
+               }else{
+                       val->intval = 0;
+               }
                break;
 
        case POWER_SUPPLY_PROP_TEMP:
@@ -544,6 +548,7 @@ static void bq27541_powersupply_init(struct bq27541_device_info *di)
        di->bat.properties = bq27541_battery_props;
        di->bat.num_properties = ARRAY_SIZE(bq27541_battery_props);
        di->bat.get_property = bq27541_battery_get_property;
+       di->power_down = 0;
        
        di->ac.name = "ac";
        di->ac.type = POWER_SUPPLY_TYPE_MAINS;
@@ -619,22 +624,6 @@ static int bq27541_battery_probe(struct i2c_client *client,
        struct bq27541_platform_data *pdata;
        int val =0;
        
-//     gpio_request(BAT_LOW, NULL);
-//     gpio_direction_input(BAT_LOW);
-       gpio_request(POWER_ON_PIN, "poweronpin");
-       gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
-/*     
-       val = gpio_get_value(BAT_LOW);
-       if (val == 0){
-               printk("no battery, shutdown\n");
-               while(1){
-                       gpio_set_value(POWER_ON_PIN, GPIO_LOW);
-                       mdelay(100);
-               }
-               return 0;
-       }
-
-*/
 
        DBG("**********  bq27541_battery_probe**************  ");
        pdata = client->dev.platform_data;