Re: Support for realtek alc 655

[Takashi Iwai <tiwai@suse.de>]

At 01 Sep 2003 20:23:34 +0200,
Marco Canini wrote:
> 
> On Mon, 2003-09-01 at 13:37, James Courtier-Dutton wrote:
> > Marco Canini wrote:
> > > hi,
> > > 
> > > i'm moving to buy a new mother board: gigabyte 8knxp.
> > > it has integrated an audio ac97 codec chipset by realtek: alc655
> > > i searched in the sound cards matrix and i couldn't find it so i surfed
> > > the web for any kind of support for it in linux but i found nothing.
> > > from what i see in the ac97 support code the alc650 is supported but no mention to alc655.
> > > is this chipset supported by alsa?
> > > 
> > > thanks
> > We have the specs for the chip, so supporting it should not be too much 
> > of a problem. See the nice PDF files from realtek web site :-) .
> > 
> > If you get the motherboard, I could work with you to get it working.
> > It looks very similar to the alc650, which is already supported, so the 
> > work involved whould not be too much. I an fairly sure that all that 
> > would need doing is to add recognition for the chip in ac97_codec.c and 
> > then program it exactly the same as the alc650. Some of the extra 
> > functions of the alc655 might not be supported, but you will get 5.1 
> > channel sound output and be able to record. You just might not be able 
> > to select all the different combinations of sound in/out jacks.
> > 
> > Cheers
> > James
> > 
> Hi,
> 
> it would be cool. just another question before i go to buy: does the
> ac97 code support hw multiplexing aka multiple playing for the alc650
> dsp?

it has nothing to do with which ac97 codec is.
if it's a VIA 823x chipset (except for VIA8233A), then yes. 


Takashi


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