[alsa-devel] Intel HDA / AD1986A problems

[Takashi Iwai]

At Tue, 18 Sep 2007 12:56:49 -0400,
Peter Skensved wrote:
> 
> On Wed, Aug 22, 2007 at 11:52:34AM +0200, Takashi Iwai wrote:
> > At Wed, 22 Aug 2007 11:20:50 +0200,
> > I wrote:
> > > 
> > > > > > 4)  When recording from the internal microphone the level is very, very low and almost
> > > > > > drowns in static noise.
> > > > > 
> > > > > There are "Mic Boost" and "Front Mic Boost" mixer volumes.
> > > > > 
> > > > 
> > > >  Not with model=laptop-eapd  - my alas mixer only shows Master, PCM, Mic, Capture, Mix,
> > > > External Amp and Internal Amp
> > > 
> > > The Mic Boost control was added _after_ 1.0.14 release.
> > > (Correction in the above text: Front Mic Boost doesn't exist for
> > > AD1986A but for other codec.)
> > > 
> > > So, please try HG version first.  Then let's debug further.
> > 
> > Note that the auto-mute feature isn't implemented yet in HG version,
> > too.  But the mic boost should work at least.
> > 
> 
>   I downloaded the HG version, compiled against my kernel and re-loaded just
> the modules ( so as not to break too much else ). I get the two microphone boost
> controls ( one for playback and another for capture ) and they work. I can
> record from both internal and  external microphone.
> 
>  The `Internal Mic.' bar/switch appears to do nothing
> 
>  The `Microphone" bar/switch is active and behaves as expected
> 
>  I see a couple of extra modem related controls ( Caller ID and Off-hook ) -
> does that mean I can make the soft modem ( Si3054 ) work with slmodemd --alsa ???

Possibly.  There are some devices that don't work well, and some older
slmodem doesn't work, too.

>  Still no PC speaker ....

I don't care :)


> > The below is the untested patch for adding the auto-mute feature.
> > A new model laptop-automute is implemented.  Of course, it's against
> > the latest HG version.  Give it a try.
> >
> 
>   I tried applying the automute patch but I must have picked the wrong 
> version of pci/hda/patch_analog.c because most of the patch failed. At
> what stage was the patch supposed to be applied ? I did it after having
> done all the steps on the devel page. 

Then the patch was likely already merged...


Takashi