Using RTC for wake up

Holger Freyther zecke at
Wed Jul 30 13:57:29 CEST 2008

On Wednesday 30 July 2008 11:22:44 Sven Klomp wrote:
> Hello,
> some time ago I heard that the realtime clock can be used to wake up the
> CPU from supend:
> However, I couldn't find an further information. How can I set PMU to wake
> up the CPU based on the clock? Is there any sysfs file?

with ASU atd is running and you can schedule execution of programs by placing 
files in a certain directory (take a look at the code), otherwise use the 
plain linux rtc ioctl interface directly.


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