[alsa-devel] hda-intel channels hibernate bug

Takashi Iwai tiwai at suse.de
Tue Apr 14 15:13:13 CEST 2009

At Sun, 05 Apr 2009 10:55:30 +0200,
Johannes Berg wrote:
> Hi,
> On my macbook 5,1 I need to use model=mbp3, as you may still remember. I
> also need to set channels to 6 to hear anything at all, probably due to
> the codec mismatch -- it's not really an mbp3 so that only works 80%,
> but I haven't gotten around to writing a better codec description.
> However, when I hibernate with channels set to 6, I always need to reset
> the channels to 6 again after resume to hear anything -- it seems the
> channels control isn't reset to the hardware at resume time. I suppose
> this bugs affects any users of this codec, regardless of whether it is
> actually right or wrong.

Could you run alsa-info.sh (with --no-upload option) before and after
hibernate and attach the generated files to compare?

> johannes
> PS: I wanted to file a bug on the alsa bugtracker but mantisbt decided I
> had not entered all fields correctly and didn't give me an option to
> edit, so I had to reenter, which frustrated me enough to give up on
> mantis.

I rarely have time to check alsa BTS nowadays, so it'd be helpful
to send bug reports rather to ML anyway :)



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