[alsa-devel] Problems with Intel HDA driver

Takashi Iwai tiwai at suse.de
Mon Sep 14 15:15:53 CEST 2009

At Mon, 14 Sep 2009 16:15:02 +0300,
Ozan Çağlayan wrote:
> Takashi Iwai wrote On 14-09-2009 15:36:
> >
> > Yeah, I think we can add EAPD handling as default for IDT92HD71xx
> > codecs.  I've never seen machines that can't live with GPIO0 bit up.
> >   
> enable_msi doesn't seem to affect the auto-muting problem. I played with
> every single node in hda-analyzer but can't get auto-mute work. I can
> manually mute the HP output and the internal speakers by
> checking/unchecking OUT checkboxes on relevant NIDs. There's a 8xn
> matrix for GPIO settings, I played with them as well to set unsol but nope.
> I want to remember that dell-m4-1 makes automute work but breaks the
> mixer channels:
> http://www.spinics.net/lists/alsa-devel/msg26714.html
> Err, I know that I didn't answer the last question in the thread as I'm
> a little bit lost in the NID pool and didn't have time to investigate
> further.

Could you check whether this still valid?

Basically the model option doesn't change the auto-mute behavior.
It just changes which pin to be detected and which pin to mute.
So, if model=dell-m4-1 makes the auto-muting working, it means
that the BIOS setup is broken.


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