[alsa-devel] Benq S32 headphones detection

Takashi Iwai tiwai at suse.de
Mon Apr 27 12:13:17 CEST 2009


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?


thanks,

Takashi


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