[alsa-devel] ECS K7VTA3: Mixer channels reversed [PATCH]

[walt]

Takashi Iwai wrote:
> At Wed, 25 Jun 2008 17:08:02 -0700,
> walt wrote:
>> Takashi Iwai wrote:
>>> At Mon, 23 Jun 2008 16:15:05 -0700,
>>> walt wrote:
>>>> Hi list,
>>>>
>>>> I just replaced a mobo with an ECS K7VTA3 and I find that the
>>>> Headphones control is now controlling the master channel and the
>>>> Master control does nothing.
>>>>
>>>> I tried 'modprobe via82xx ac97_quirk=hp_only' but that makes the
>>>> audio device unusable (although alsamixer still seems happy to set
>>>> the individual channels).
>>> You mean that you don't hear any outputs?  Which I/O (HP out,
>>> line-out, etc) are you testing?
>> Sorry, I forgot to mention that RealAudio player complains that it
>> "cannot open the audio device. Another application may be using it."
>>
>> However, I just tried mplayer, which *does* work normally and the
>> master channel also works properly again.
>>
>> So it seems that hp_only works, but only partly.  Any idea why
>> RealPlayer is complaining?
>
> Hard to believe that the error of RealPlayer comes from ac97_quirk
> option.  It's likely a coincidence.  Please double-check.

Okay, this patch seems to make everything work correctly, but lspci
still reports "unknown device" in spite of it.

diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index b585cc3..aa5c2e0 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -1746,6 +1746,12 @@ static struct ac97_quirk ac97_quirks[] = {
         },
         {
                 .subvendor = 0x1019,
+               .subdevice = 0x1841,
+               .name = "ECS K7VTA3",
+               .type = AC97_TUNE_HP_ONLY
+       },
+       {
+               .subvendor = 0x1019,
                 .subdevice = 0x0a81,
                 .name = "ECS K7VTA3",
                 .type = AC97_TUNE_HP_ONLY