[alsa-devel] Possible regression on Sigmatel 9205

[Manuel Naranjo]

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.