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List:       freedesktop-pm-utils
Subject:    [Pm-utils] Restore state around suspend/resume
From:       "Dan Nicholson" <dbn.lists () gmail ! com>
Date:       2008-11-29 20:40:02
Message-ID: 91705d080811291240m506b4f7fj54f021411c5bd055 () mail ! gmail ! com
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Hi,

Currently, suspending the computer via pm-suspend (as done from HAL),
causes the ALSA state to be stored and restored via alsactl. Here's
what the hook looks like:

http://cgit.freedesktop.org/pm-utils/tree/pm/sleep.d/65alsa

Is this still necessary on recent kernels? Is there a list of drivers
which properly maintain state across suspend/resume? We're trying to
cut down on the amount of work done in userspace which slows down
suspend cycles.

Thanks.

--
Dan
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