[alsa-devel] Restore state around suspend/resume

Dan Nicholson dbn.lists at gmail.com
Sat Nov 29 21:40:02 CET 2008


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:


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.


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