[alsa-devel] Realtek alc269 questions

[Takashi Iwai]

At Mon, 26 Jul 2010 13:03:41 +0200,
David Henningsson wrote:
> 
> 2010-07-26 12:29, Takashi Iwai skrev:
> > At Mon, 26 Jul 2010 12:01:50 +0200,
> > David Henningsson wrote:
> >>
> >> I'm trying to fix the sound on some Dell Optiplex machines, which are
> >> running the ALC269 chip. I can "fix" them with some hda-verb commands,
> >> but that won't get me auto-mute, so I'll have to make a model (or
> >> possibly more than one) for them.
> > 
> > What is actually a problem?
> 
> It varies between the different models, but most problems I think come
> from that pin NIDs aren't the same as the auto-parser (or any of the
> models) assume.

Then it's a BIOS bug :)
You can override the pin default values in fixup table.

> This causes playback, recording, auto-mute etc to fail.
> 
> In addition, a minor issue is that one of the models are being
> mislabeled as ALC259.

ALC259 / ALC271X identification was recently added, so the old drivers
may show a different codec name.


thanks,

Takashi