power: android-battery: push uevent whenever charge source changes

Ensure userspace reads an up-to-date value for charging status whenever the
charge source is updated.  Avoid races where stale charging state may be
reflected in userspace until the next battery state poll.

Change-Id: Ia744db48584e9e9abf442710c279af9e3a25c079
Signed-off-by: Todd Poynor <toddpoynor@google.com>

diff --git a/drivers/power/android_battery.c b/drivers/power/android_battery.c
index 6e8b4054c8d72ba380d157c4d19d26a23b89919b..8d45ff0f3677c466cf143b2e1486b0dabf90af72 100644 (file)
--- a/drivers/power/android_battery.c
+++ b/drivers/power/android_battery.c
@@ -399,6 +399,7 @@ static void android_bat_charger_work(struct work_struct *work)
 
        mutex_unlock(&android_bat_state_lock);
        wake_lock_timeout(&battery->charger_wake_lock, HZ * 2);
+       power_supply_changed(&battery->psy_bat);
 }