[alsa-devel] 2.6.29 regression: left audio channel broken after resume from suspend with Intel HDA

[Takashi Iwai]

At Tue, 21 Apr 2009 20:39:36 +0200,
Tino Keitel wrote:
> 
> On Tue, Apr 21, 2009 at 09:39:13 +0200, Takashi Iwai wrote:
> > At Tue, 21 Apr 2009 09:32:19 +0200,
> > Tino Keitel wrote:
> > > 
> > > On Tue, Apr 21, 2009 at 07:24:40 +0200, Takashi Iwai wrote:
> > > > The commit is fcad94a4c71c36a05f4d5c6dcb174534b4e0b136:
> > > >     ALSA: hda - Fix the cmd cache keys for amp verbs
> > > 
> > > Thanks for the reply. However, the patch doesn't work. I just got
> > > distorted sound again.
> > 
> > Then please run alsa-info.sh (with --no-upload option) before and
> > after suspend, and attach the generated files.  Also, check the latest
> > Linus tree whether the problem still appears.
> 
> My first impression with suspend seems to be wrong. It also sometimes
> happens just after a while, event without suspend.
> 
> Attached are 2 alsa-info.sh outputs. One was taken after I noticed the
> distorted sound, one after I reloaded snd-hda-intel to fix the
> distortion. The mixer seems to be quite different after module reload.

The codec communication looks a bit unstable on this device...
Does this still happen on the latest 2.6.30 version?


Takashi