Bug#536340: [Linux-2.6.30-1-amd64] No sound out of the front jack

[Takashi Iwai <tiwai@suse.de>]

At Fri, 19 Feb 2010 12:31:49 +0100,
Marco Mattiolo wrote:
> 
> In data giovedì 18 febbraio 2010 17:38:58, maximilian attems ha scritto:
> : > On Thu, Feb 18, 2010 at 05:35:34PM +0100, Takashi Iwai wrote:
> > > Thanks.  Do you really need model=dell-bios option even with the very
> > > latest alsa-driver (e.g. 2.6.33-rc8)?
> > >
> > > If the latest alsa-driver still doesn't work without model option,
> > > please give alsa-info.sh outputs both with and without model=dell-bios
> > > option to compare.  This is needed to understand what is really
> > > missing on your device.
> > 
> > here you'll find a prebuild 2.6.33-rc8 image deb:
> > http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.33-rc8-amd64_2.6.33~
> > rc8-1~experimental.1_amd64.deb
> >  http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.33-rc8-amd64_2.6.33
> > ~rc8-1~experimental.1_amd64.deb.sha1sum.asc
> > 
> > thanks for your feedback.
> > 
> OK, I've got the test. First, thank you max for the debs.
> 
> I've made the test in console-mode, due to lack of kernel headers (and nVidia 
> drivers), so I used alsamixer in place of kmix and moc in place of kaffeine.
> 
> The front jack works on 2.6.33 with model=dell-bios option.
> The front jack doesn't work on 2.6.33 without model specification for 
> snd_hda_intel module.

Thanks.  Just wondering whether model=3stack works better.
Other Intel mobo use this quirk instead.

> Don't know if it's important, but when changing linux to 2.6.33, I came across 
> these warning messages on boot:
> [...]
> Setting up ALSA...warning: 'alsactl restore' failed with error message 
> 'Unknown hardware: "HDA-Intel" "Sigmatel STAC9227" 
> "HDA:3847618,8086a201,00100201" "0x8086" "0xa201"
> Hardware is initialised using a guess method

This is rather a problem of alsactl.  You can ignore it.


thanks,

Takashi