[alsa-devel] No sound with Sony VAIO VPCZ1 (ALC889)

[Takashi Iwai]

At Tue, 17 Sep 2013 12:51:59 -0700,
Adam Williamson wrote:
> 
> On Wed, 2013-07-17 at 09:49 +0200, Takashi Iwai wrote:
> 
> > > echo "multi_io = no" 
> > >  >/sys/devices/pci0000:00/0000:00:1b.0/sound/card0/hwC0D0/hints
> > > echo "1" 
> > >  >/sys/devices/pci0000:00/0000:00:1b.0/sound/card0/hwC0D0/reconfigure
> > > 
> > > http://www.alsa-project.org/db/?f=8494525c7988dc528a45cc1e45134666f3793d7a
> > > 
> > >    < Master >
> > >    Headphone
> > >    Speaker
> > >    Mic
> > >    Mic Boost
> > >    Mic 1
> > >    Mic Boost 1
> > >    Beep
> > >    Auto-Mute Mode    Enabled
> > > 
> > > AT THIS POINT IT WORKED !
> > > 
> > > But not automatically though ?!
> > > I have to manually put in the hint.
> > 
> > Hm, so something clears the flag again (or prevents the flag
> > working).  Could you try to figure out when and where no_multi_io flag
> > is set and cleared, e.g. by adding printk()s in the code path?
> 
> So it looks like things stalled a bit here; if you still need info from
> someone with an affected system I can try and do it, but you might need
> to walk me through it / provide patches a bit more than the above, as
> I'm just a dumb qa monkey :) If you can make it a bit more 'tab a, slot
> b' I'll try and do the testing. Thanks!

Could you just try 3.12-rc1?


Takashi