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power: android-battery: Fix battery alarm timer not modified at suspend

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- Alarm Timer driver is suspended before battery driver, so alarm
       timer was not changed to slow poll speed at suspend.  Use PM
       notifiers instead.
     - If charger is connected, keep 1 min alarm timer.

Signed-off-by: HongMin Son <hongmin.son@samsung.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Change-Id: Id0f3bda5d0749fd90f1964073bc30c1a73fc317f
This commit is contained in:
HongMin Son
2012-10-05 13:22:31 +09:00
committed by Arve Hjønnevåg
parent 8873f5de28
commit 148984e00a
1 changed files with 8 additions and 5 deletions
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13
drivers/power/android_battery.c
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@@ -700,21 +700,24 @@ static int android_bat_suspend(struct device *dev)
struct android_bat_data *battery = dev_get_drvdata(dev);
cancel_work_sync(&battery->monitor_work);
android_bat_monitor_set_alarm(battery, SLOW_POLL);
android_bat_monitor_set_alarm(
battery,
battery->charge_source == CHARGE_SOURCE_NONE ?
SLOW_POLL : FAST_POLL);
return 0;
}
static int android_bat_resume(struct device *dev)
static void android_bat_resume(struct device *dev)
{
struct android_bat_data *battery = dev_get_drvdata(dev);
android_bat_monitor_set_alarm(battery, FAST_POLL);
return 0;
return;
}
static const struct dev_pm_ops android_bat_pm_ops = {
.suspend = android_bat_suspend,
.resume = android_bat_resume,
.prepare = android_bat_suspend,
.complete = android_bat_resume,
};
static struct platform_driver android_bat_driver = {