[alsa-devel] Possible regression on Sigmatel 9205

[Takashi Iwai]

At Wed, 15 Oct 2008 11:23:24 -0300,
Manuel Naranjo wrote:
> 
> Takashi Iwai escribió:
> > At Wed, 15 Oct 2008 11:14:49 -0300,
> > Manuel Naranjo wrote:
> >   
> >> On Wed, Oct 15, 2008 at 10:50 AM, Matthew Ranostay
> >> <mranostay at embeddedalley.com> wrote:
> >>     
> >>> Manuel Naranjo wrote:
> >>>       
> >>>>>> Hello everyone,
> >>>>>>
> >>>>>> Sorry to interrupt you all, but I had been trying to get the digital mic
> >>>>>> of my Dell Inspiron 1521 for the last 5 days without any sucess.
> >>>>>>
> >>>>>> I'm running kernel 2.6.27 with included ALSA, I also tried GIT alsa, and
> >>>>>> the result is the same, the mic works, but the volume is so damn low
> >>>>>> that there's no way to hear it.
> >>>>>>
> >>>>>> I checked dell's windows drivers and my board belongs to the M4_8 line
> >>>>>> and not to the M4_2 as suggested in alsa source. I also did a diff
> >>>>>> between M4_2 and M4_8 and there are some differences, specially in GPIO.
> >>>>>>
> >>>>>> I don't know what else to do now, I had tried everything. Last working
> >>>>>> alsa was 1.15 if I'm not wrong, but I'm not able to backport 1.15 to the
> >>>>>> new kernel, for some reason it fails to compile.
> >>>>>>             
> >>>>> Do you have "Digital" volume adjusted properly (in the control name
> >>>>> "Digital Capture Volume")?
> >>>>> Usually this should be in exactly middle, which corresponds to 0dB.
> >>>>>           
> >>>> Yep I did. I guess you're tired of stupid support requests. Don't
> >>>> worry I think I know what I'm doing very well. Tried with lots of
> >>>> different model options for the module too, none worked.
> >>>>
> >>>>
> >>>>         
> >>>>> Anyway, please show the alsa-info.sh output with --no-upload option.
> >>>>> This will tell us more detailed information.
> >>>>>           
> >>>> Sure, I'm attaching 2 version. One is by not passing any argument to
> >>>> the module after a fresh boot, the other one is by using
> >>>> model=dell-m42 which should be mine according to my PID. BTW there are
> >>>> lots of bug tickets opened for this card over the net, most related to
> >>>> Ubuntu and kernel > 2.6.24
> >>>>
> >>>> Thanks,
> >>>> Manuel
> >>>>         
> >>> I only see the 'Digital Capture Volume' in the no parameters output.
> >>> You generally need to run 'arecord -f cd foo.wav' to load the digital softvol mixer.
> >>>
> >>> Thanks,
> >>>
> >>> Matt Ranostay
> >>>       
> >> Sorry, ok I did that. With pulseaudio running calling to arecord
> >> fails.
> >>     
> >
> > Maybe a bug of pulse alsa-plugin I posted today?
> >
> >
> > Takashi
> >
> >   
> I just thought it could be pulse. Where's the bug report? I would like 
> to take a look, maybe I can help.

http://mailman.alsa-project.org/pipermail/alsa-devel/2008-October/011425.html


Takashi