Bug#517241: [alsa-devel] Laptop (Samsung Q45) speakers unmute when master channel is unmuted even with headphones connected

[Sam Morris <sam@robots.org.uk>]

On Fri, 2009-06-19 at 14:53 +0200, Takashi Iwai wrote:
> At Fri, 19 Jun 2009 11:56:29 +0100,
> Sam Morris wrote:
> > 
> > On Thu, 2009-05-07 at 17:11 +0200, Takashi Iwai wrote:
> > > At Tue, 05 May 2009 11:58:39 +0100,
> > > Sam Morris wrote:
> > > > 
> > > > On Tue, 2009-05-05 at 12:47 +0200, Takashi Iwai wrote:
> > > > > At Sat, 2 May 2009 13:14:42 +0100,
> > > > > Sam Morris wrote:
> > > > > > 
> > > > > > Since Linux 2.6.28 and through to 2.6.30-rc4, the hda-intel driver has had a
> > > > > > bug on my laptop (a Samsung Q45).
> > > > > > 
> > > > > > If I connect my headphones, the laptop's internal speakers are muted--fine. But 
> > > > > > if I then mute and unmute the master mixer channel, the speakers come back to
> > > > > > life, even though the headphones are still connected.
> > > > > 
> > > > > Could you run alsa-info.sh with --no-upload option, and attach the
> > > > > generated file?
> > > > 
> > > > Here you go!
> > > 
> > > Thanks.
> > > 
> > > What if you use model=auto option?
> > 
> > This is fixed in 2.6.30, but only if I use the model=auto option. :)
> 
> What about with the later version, e.g. Linus git tree?
> Or you can use sound git tree
>     git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
> 
> I think this was already fixed there.
> 
> 
> Takashi
-- 
Sam Morris <sam@robots.org.uk>