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

Julian Sikorski belegdol at gmail.com
Sun Jul 17 14:17:22 CEST 2011

W dniu 17.07.2011 13:55, Julian Sikorski pisze:
> W dniu 05.07.2011 03:31, Raymond Yau pisze:
>> 2011/7/5 Julian Sikorski<belegdol at gmail.com>:
>>> From what I was able to decipher, 0x1e is a jack, external rear, with
>>> spdif out default output and optical connection. It is black. The same
>>> physical socket is used for the last 2 surround channels. Could you
>>> please clarify? Thanks in advance.
>> Take a look at Block Diagram of alc892 datasheet
>> http://www.realtek.com/products/productsView.aspx?Langid=1&PNid=24&PFid=28&Level=5&Conn=4&ProdID=284
>> if you can confirmed the internal mic, mic jack ,line in , line out
>> and internal speaker work as expected
>> the only pin complex which can be connected to rear [Audio Output]
>> 0x0d is 0x15
>> seem that the pin complex for 4 jack 8-ch notebook are different from
>> desktop with 6 jacks at rear panel
>> a 10 channel codec is able to provide volume control for internal
>> speaker and 4 jacks
> Thanks to Raymond's advice I was finally able to make the sound come out
> of the copper part of the spdif/side surround jack. I am pasting the
> diff created with hda-analyzer, please let me know if this gives you
> enough information to add proper 7.1 sound support for this laptop.
> Here is the alsa-info.sh with all jacks playing sound:
> http://www.alsa-project.org/db/?f=8f23e499727ec612ed925b81d3f38928e8f6aebb
> Of course, there is still no specific volume control for the side channel.
> Julian

Upon further investigation I discovered that with the volume on the 0x17 
can be controlled with center/lfe in alsamixer. I don't think it is the 
intended behaviour.



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