[ltp] Resume from S3 if battery runs out

[Daniel Maier]

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Hi,

after playing with /proc/acpi/alarm I am setting the wakeup time at
suspend to now + 60min and on resume I check wether the current time
is now + 60min + some tolerance. This is done to avoid running out
of battery while in suspend to ram.

Actually, this is a bad hack, because I would also have to check
on suspend wether the battery can give power for s3 for 60min and a
resume and a suspend to disk. There is also a problem with resuming
manually after 60min.

So the question is, if it is possible to resume if the battery runs
out?
Also, is it possible to check the event which caused a resume
(LID/fn/alarm)?

Regards, nusse.

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