[alsa-devel] model needed for Clevo P150HM (Realtek ALC892)

[Julian Sikorski]

W dniu 01.07.2011 09:14, Takashi Iwai pisze:
> At Fri, 01 Jul 2011 09:07:47 +0200,
> Julian Sikorski wrote:
>>
>>>>>>> So it seems that the only things remaining are the SPDIF/rear channel
>>>>>>> jack and the coupled muting issue.
>>>>>>
>>>>>> It's a BIOS bug.  It doesn't tell SPDIF is available.
>>>>>> Ditto for the 4th stereo out.  No pin is exposed by BIOS.
>>>>>
>>>>> I see. I can try updating the BIOS and see if it changes anything. If it
>>>>> doesn't, is there a way to work the problem around in the driver?
>>>>
>>>> You need to figure out pins manually by yourself, then change the
>>>> driver code.  I leave it as a homework :)
>>>
>>> :) I cannot write code, so I would not count on myself doing that. I
>>> will have a look into updating the BIOS though.
>>>
>>>> thanks,
>>>>
>>>> Takashi
>>>
>>> Once again thanks for all the work you have done,
>>>
>>> Julian
>> Hmm, I googled a bit and it seems the way to find the pins is to write
>> values to user_pin_configs. So no coding knowledge seems needed, could
>> you give me some pointers on where to start?
> 
> First off, read the HD-audio specification to understand what the values
> represent.  Then, use hda-analyzer or manually via hda-verb, figure out
> which widget corresponds to which I/O jack.  Compose the corresponding
> pin-config value, and put it to the sysfs file.  A brief description
> is found in Documentation/sound/alsa/HD-Audio.txt.
> 
> 
> Takashi
I have been scratching my head for almost 2 h now without much progress.
Can I steal this values from Windows driver somehow? It seems to be
possible:

http://www.insanelymac.com/forum/index.php?s=3298551705d0d48ba8faa28b9a7d3283&showtopic=137188&st=20

Julian