[alsa-devel] Fwd: Dell Studio 14, internal mic

[Takashi Iwai]

At Wed, 16 Sep 2009 17:18:11 -0400,
Alistair Boyle wrote:
> 
> On Wed, Sep 16, 2009 at 1:34 AM, Takashi Iwai <tiwai at suse.de> wrote:
> > At Tue, 15 Sep 2009 13:54:16 -0400, Alistair Boyle wrote:
> >> On Tue, Sep 15, 2009 at 6:45 AM, Takashi Iwai <tiwai at suse.de> wrote:
> >> > At Mon, 14 Sep 2009 12:36:47 -0400, Alistair Boyle wrote:
> >> >> For the capture settings, "digital" should be the first setting since
> >> >> its the master capture control,
> >> >
> >> > You should keep this "Digital" control to 50%, corresponding to 0dB.
> ...
> >> This seems to be a bit of a regression: the recording source labels
> ...
> >
> > Are you sure that you are using the very latest one?
> > Double-check the latest alsa-driver-snapshot.tar.gz.
> >
> 
> Oh, sorry. Yup, that's much better. Auto mic switching on plugin and
> the independent headphones are working properly now, including muting
> the speakers when a headphone is plugged in.
> 
> Two issues remaining:
> 
> 1. The "pc beep" is still making a bad buzz/crackling noise when an
> xterm beep occurs. There's also a new "speaker" control but it doesn't
> affect this behavior (unrelated?).

Hm, this is basically independent from my change, and I guess this is 
a codec hardware issue.

> 2. It should be the "capture" control that Skype or some other
> application should be twiddling to adjust recording volume
> automatically? Is it this control that should come first when they are
> enumerated, or is there some property that is missing from this
> control to tell the application which control to use? (ie: is there
> anything the alsa-driver does to help the application get this right?)

The "Capture" volume is available.  Skype should choose it as default.
Isn't it just the old saved setup that screws up?


Takashi