Re: Fwd: [Alsa-user] VIA VT8235 (ALC201) problems

[Takashi Iwai <tiwai@suse.de>]

At Wed, 16 Oct 2002 18:26:12 +0200,
Joachim Blaabjerg wrote:
> 
> On Wednesday 16 October 2002 18:12, you wrote:
> 
> > 8235 has the same pci id with 8233, so it's ok.
> >
> >
> > Takashi
> 
> As far as I know, though, the 8235 south bridge uses a different sound chip. 
> VT8233 uses ALC650, while VT8235 uses ALC201. Or am I wrong?

yes, you are confused among two things.

ALC650 and ALC201 are AC97 codecs, which corresponds to ADC/DAC and
mixer parts.  it has nothing to do with the sound engine.
the sound core of VT8235 is almost identical with 8233, thus via82xx
driver is the one you need.


> And no, I still can't get sound. :)

please elaborate the phenomenon __on the latest driver__.

* totally silent  --> check the mixer configuration?

* playback produces repeated sounds --> irq problem?

* playback rate doesn't match --> adjustment via snd_ac97_clock
  option?


Takashi


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