[alsa-devel] Benq S32 headphones detection

Takashi Iwai tiwai at suse.de
Mon Apr 27 17:29:30 CEST 2009


At Mon, 27 Apr 2009 18:25:18 +0300,
Aleh wrote:
> 
> On Mon, 27 Apr 2009 13:13:17 +0300, Takashi Iwai <tiwai at suse.de> wrote:
> 
> > At Thu, 23 Apr 2009 22:50:32 +0300,
> > Aleh wrote:
> >>
> >> On Thu, 23 Apr 2009 14:04:12 +0300, Takashi Iwai <tiwai at suse.de> wrote:
> >> > At Thu, 23 Apr 2009 11:58:58 +0300
> >> > Aleh wrote:
> >> >>
> >> >> Hi,
> >> >>
> >> >> I had a problem with muting speakers when headphones are plugged-in  
> >> on
> >> >> my
> >> >> Benq S32B. So I added proper board configuration to
> >> >> sound/pci/hda/patch_realtek.c and now it works.
> >> >>
> >> >> I wonder if anyone has similar hardware (S-series Benq laptop) to  
> >> test
> >> >> the
> >> >> patch (attached) if you find it useful.
> >> >
> >> > Thanks for the patch.
> >> > The lack of headphone mute is likely because of codec SSID value.
> >> > The realtek codec is supposed to have some special SSID indicating
> >> > the assembly information, but many vendors don't follow it.
> >> >
> >> > Could you try the patch below and try model=auto?  It's found in
> >> > sound-unstable tree, too...
> >>
> >>
> >> Downloaded and installed
> >>      http://ftp.kernel.org/pub/linux/kernel/people/tiwai/alsa/alsa-driver/alsa-driver-unstable-snapshot.tar.bz2
> >> in accordance with those instructions:
> >>      http://alsa-project.org/main/index.php/Matrix:Module-hda-intel
> >>
> >> loaded it with option 'model=auto' as you suggested, launched mplayer  
> >> and
> >> plugged/unplugged headphones several times.
> >> Unfortunately, those actions weren't recognized and laudspeakers  
> >> continued
> >> playing without any interruption.
> >
> > OK, I found a problem.  The hook wasn't activated for ALC262.
> > I fixed the patch now.  Could you retry the unstable snapshot again?
> 
> Gave a try to today's snapshot - the problem still exists as headphones  
> haven't been detected.

With alsa-driver-unstable snapshot tarball?
What is the first line of alsa-driver*/alsa-kernel/HEAD file?


Takashi


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