[alsa-devel] [ALSA] HDA: no sound in headphone-out caused by commit f889fa91ad47e (2.6.25-rc1 regression)

Matej Laitl strohel at gmail.com
Wed Feb 13 13:05:48 CET 2008

On Wednesday 13 of February 2008 11:59:58 Takashi Iwai wrote:
> > Now I just found that the new "Speaker" switch forgets it's value from
> > time to time, ie. it's muted, you go and have lunch, and when you get
> > back and start the music, it's unmuted. It is probably related to
> > aggressive hda-codec powersaving, which I have enabled and set to 20
> > secs.
> Hm, does the patch below have any influence?
> If the problem still persists, please take alsa-info.sh snapshots
> before and after power-saving.

This patch did not have any effect. (i haven't tested suspend-to-ram)

alsa-info before powersaving (speaker silent, mixer says: Speaker=MM):

alsa-info after powersaving (speaker loud, mixer says: Speaker=MM):

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