[alsa-devel] Since kernel-2.6.32 alsactl thinks my sound card is "Unknown"

[Jaroslav Kysela]

On Tue, 7 Sep 2010, Raymond Yau wrote:

> 2010/9/2 Takashi Iwai <tiwai at suse.de>
>
>> At Wed, 01 Sep 2010 18:15:23 +0200,
>> Pacho Ramos wrote:
>>>
>>> This is an old problem I am suffering since kernel-2.6.32 and that is
>>> still unresolved even with 2.6.35 and alsa-utils-1.0.23:
>>> http://www.spinics.net/lists/alsa-devel/msg31422.html
>>>
>>> If you follow the thread, it got stalled in:
>>> http://www.spinics.net/lists/alsa-devel/msg31433.html
>>>
>>> In summary, I get the following:
>>> # alsactl -f /etc/asound.state restore /dev/snd/controlC0
>>> Unknown hardware: "VIA8237" "Realtek ALC658D" "AC97a:414c4781" "0x147b"
>>> "0x1415"
>>> Hardware is initialized using a guess method
>>> # echo $?
>>> 99
>>
>> This is no error.  It means that alsactl has no special workaround
>> for your hardware.  The return code of alsactl looks strange.
>> I thought Jaroslav has already fixed it, though...
>>
>>
>> Takashi
>>
>>>
>>> As you can see, the exit code was solved, but I don't know why my
>>> hardware is still shown as "Unknown" even if
>>> via82xx.c clearly has some lines for my device:
>>>         SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA),
>>>
>>>
>>
>
>
> why "alsactl init" does not select "Mic" as "Capture Source" for AC97 codec
> ?
>
> it seem "alsactl init" does not set "Mic Boost" too

This patch should change the initial script to set these two controls:

http://git.alsa-project.org/?p=alsa-utils.git;a=commitdiff;h=52bd2f8acedaacce32ca8e89cb1f21683658648e

 					Jaroslav

-----
Jaroslav Kysela <perex at perex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.