[android-kernel] Re: Using Android wake alarms

2013-10-30 Thread Anirudh Gargi
HI Guru, Also, if you can use RTC hardware to do so , infact the android alarm manager internally uses the RTC hw to wakeup from suspend. (As that is one of the area of board that is still powered , when we in suspend. ) Usually the RTC is exposed as an sys file entry with name like RTC0 or R

[android-kernel] Re: Using Android wake alarms

2013-10-04 Thread Yu Baolin
Hi Prasad, Command ANDROID_ALARM_ELAPSED_REALTIME can't wake up system. You can try ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP command, and you should confirm whether the real rtc chip on your platform supports wakeup function and the rtc driver enables it. Because the android alarm is just a virtua