[android-developers] why sysfs interface of RTC is not working on android?

Hi,
I'm trying to set alarm on my development board with honeycomb.

root@...# ./adb shell echo "" > /sys/class/rtc/rtc0/wakealarm
root@...# ./adb shell echo "+20" > /sys/class/rtc/rtc0/wakealarm
root@...# ./adb shell echo standby > /sys/power/state

However, am not seeing any alarm getting set either in the UI or by
doing cat.

Is this a known issue?

Thanks,
Rao

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