[alsa-devel] hda-intel channels hibernate bug
johannes at sipsolutions.net
Wed Apr 15 17:40:02 CEST 2009
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?
Yes, this helps, thanks. Mind you, if I play music with mplayer _while_
hibernating, I get a horrible buzzing when waking up and mplayer says:
[AO_ALSA] alsa-lib: pcm_hw.c:727:(snd_pcm_hw_resume)
SNDRV_PCM_IOCTL_RESUME failed: Function not implemented
Needed to kill mplayer but the channels control is remembered properly.
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