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

Julian Sikorski belegdol at gmail.com
Sat Jul 2 00:37:09 CEST 2011

W dniu 2011-07-02 00:09, Julian Sikorski pisze:
> 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
I managed to get the data out of Windows install, does it look useful?

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