On Friday 14 November 2008, Timo-Pekka Launonen wrote:
> If a non-zero value is written to /sys/power/wakeup_timer_seconds,
> A timer wakeup event will wake the system and resume after the
> configured number of seconds.

/sys/class/rtc/rtc0/wakealarm should do the same thing,
except that it takes an absolute time not a relative one.

Do we really need this wakeup_timer interface?

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