Subject: Re: Asus K8V Audio
To: None <port-i386@netbsd.org>
From: TAMURA Kent <kent@NetBSD.org>
List: port-i386
Date: 12/02/2004 17:17:38
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> > It seems to play back au files ok, but I just get nasty noise trying to
> > record. Anybody got any ideas?
> 
> I noticed a similar problem with this board back around April.  
> 
> The asus k8v-se-d is somewhat unusual in that it has only 3 stereo
> jacks for 6-channels of output, 2 channels of line-in, and one channel
> of mic in.  The line-in and mic-in jacks are really bi-directional and
> the kernel needs to tell the low level hardware whether to configure
> the jack for input or output.  I'll make a bet the audio paths are
> never set up for mic-in.
> 
> I spent some time trying to dig up the programmer's docs for the VIA
> VT8237 but came up empty handed.

If it is the root cause of the problem, you should refer the
datasheet of AD1980 codec, not VT823x, and need to add some code
to ac97_ad198x_init() of sys/dev/ic/ac97.c.

-- 
TAMURA Kent <kent_2004 at hauN.org> <kent at NetBSD.org>


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