[alsa-devel] Regarding Sound on Acer Aspire 6935G

Emilio López buhitoescolar at gmail.com
Wed Jun 24 03:00:42 CEST 2009

2009/6/23 Tony Vroon <tony at linx.net>:
> On Tue, 2009-06-23 at 15:05 -0300, Emilio López wrote:
>> I had a little free time, so I decided to play a little with alsa. I
>> copied the mic verbs from the old model to this new one and it seems
>> to be working fine. Here is the patch for that
> Takashi, please feel free to apply this. Especially the PIN_IN selector
> is obviously correct, and if this fixes the 6935 it should work on the
> 6930.
> Unfortunately the 6930 (which isn't mine) will be out of the country as
> of tomorrow.
> Emilio, you may want to resubmit with a Signed-Off-By line etc. There's
> a Documentation/SubmittingPatches in the kernel source that explains all
> the little details.

I can't seem to find it on the alsa sources. Is it online somewhere?

>> Now, the only 'broken' thing is jack sensing, it just mutes front, but
>> not LFE. I guess this is an easy to fix issue.
> Now that you've got your hands dirty you might want to fix that one as
> well :)

OK :-)

> You'll want to mute/unmute node 0x17 (the "tuba") in addition to 0x14 in
> the jack sense handler. Might as well handle 0x16 now that you're at it,
> the codec graph suggests this is a speaker of some kind as well. Copy
> alc888_acer_aspire_4930g_init_hook into a new 6930g_init_hook, and look
> at 8930g to see how to do multiple speaker nodes.

I did it, but it still doesn't work. I'll play a bit more with it
tomorrow, might be a stupid error of mine.

> That's basically it. Hacking on patch_realtek.c is quite doable.
>> Emilio
> Regards,
> Tony V.

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