[alsa-devel] hda-intel channels hibernate bug

[Johannes Berg]

On Wed, 2009-04-15 at 16:12 +0200, Takashi Iwai wrote:
> At Tue, 14 Apr 2009 15:43:33 +0200,
> Johannes Berg wrote:
> > 
> > On Tue, 2009-04-14 at 15:40 +0200, Takashi Iwai wrote:
> > 
> > > >  Node 0x0d [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out
> > > >    Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
> > > > -  Amp-In vals:  [0x00 0x00] [0x00 0x00]
> > > > +  Amp-In vals:  [0x80 0x80] [0x00 0x00]
> > > >    Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
> > > >    Amp-Out vals:  [0x25 0x25]
> > > >    Connection: 2
> > > 
> > > So the widget 0x0d is muted.  Maybe the channel mode control
> > > doesn't do caching the value properly...
> > 
> > No idea :)
> > 
> > > Could you give the raw alsa-info.sh output?
> > 
> > Sure, below (before hibernating).
> 
> Thanks.  Could you try the patch below?

Will do, give me a bit.

> > Mind you -- mbp3 isn't really the correct thing for my machine, the
> > microphone also seems to be bad when using it -- but I haven't gotten
> > around to writing a proper description or trying to find it even.
> 
> Hm, could you be a bit more specific?  "seems to be bad" is relatively
> subjective expression :)

Sorry... Well, I can't seem to record at all right now for some reason,
but here are a few things that are wrong:
 1) master mute has no effect (I think that actually worked before?)
 2) the "Speaker" control has no effect (mute/unmute)
 3) need to set channel control to 6 to get sound at all
 4) speaker volume is line-out * pcm * master
 5) cannot automatically detect codec, need to load with model=mbp3

And the last time I could record sound it was all choppy and sounded
clipped.

johannes
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