Re: Document sysfs interface to RTC system wakeup

[Pavel Machek]

> On Wed, 26 Nov 2008 17:15:24 +0100
> Pavel Machek <pavel@xxxxxxx> wrote:
> 
> > +How to use /sys/class/rtc/rtcX/wakealarm
> > +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > +This file takes the seconds since epoch to enable a wake event at the
> > +specified time.
> 
> More documentation is cool.  In this case, though, I'm left with an
> immediate question: *why* am I interested in wakealarm?  Reading
> through, I eventually figure out that it can maybe be used to get a
> system to start up at some point in the future, maybe.  It seems like
> that should be said at the outset.

You can suspend/power down your machine, and it will power itself up
at appropriate time.

> Also; why do I want to migrate from /proc/acpi/alarm?

Because /proc/acpi/alarm is ugly hack that is going to go away :-).
									Pavel
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