ENGR00218070 imx6 battery: fix charger led first wrong indication status

because boot time gap between led framwork and battery driver init,when system
boots with charger attatched, charger led framwork loses the first charger
online event,add once extra power_supply_changed can fix this issure

Signed-off-by: Rong Dian <b38775@freescale.com>

diff --git a/drivers/power/sabresd_battery.c b/drivers/power/sabresd_battery.c
index fcbbbc58763e880aa179fca90b8ccff2b74720d7..d7815449a9ce6e240b9d97d69351428a2f833bbf 100755 (executable)
--- a/drivers/power/sabresd_battery.c
+++ b/drivers/power/sabresd_battery.c
@@ -29,7 +29,7 @@
 #include <linux/sort.h>
 
 
-#define        BATTERY_UPDATE_INTERVAL 120 /*seconds*/
+#define        BATTERY_UPDATE_INTERVAL 5 /*seconds*/
 #define LOW_VOLT_THRESHOLD     2800000
 #define HIGH_VOLT_THRESHOLD    4200000
 #define ADC_SAMPLE_COUNT       6
@@ -55,6 +55,7 @@ struct max8903_data {
        int percent;
        int old_percent;
        int usb_charger_online;
+       int first_delay_count;
        struct power_supply bat;
        struct power_supply     detect_usb;
        struct mutex work_lock;
@@ -291,6 +292,16 @@ static void max8903_battery_update_status(struct max8903_data *data)
                changed_flag = false;
                power_supply_changed(&data->bat);
        }
+       /*
+           because boot time gap between led framwork and charger
+           framwork,when system boots with charger attatched, charger
+           led framwork loses the first charger online event,add once extra
+           power_supply_changed can fix this issure
+       */
+       if (data->first_delay_count < 200) {
+               data->first_delay_count = data->first_delay_count + 1 ;
+               power_supply_changed(&data->bat);
+       }
 
        mutex_unlock(&data->work_lock);
 }
@@ -599,6 +610,7 @@ static __devinit int max8903_probe(struct platform_device *pdev)
                dev_err(dev, "Cannot allocate memory.\n");
                return -ENOMEM;
        }
+       data->first_delay_count = 0;
        data->pdata = pdata;
        data->dev = dev;
        platform_set_drvdata(pdev, data);