Re: Broken nforce3 support in ALSA on amd64?

[Takashi Iwai <tiwai@suse.de>]

At Mon, 07 Mar 2005 21:45:16 -0800,
Ian Forde wrote:
> 
> On Mon, 2005-03-07 at 20:11 -0500, Lee Revell wrote:
> > On Mon, 2005-03-07 at 21:17 +0100, Takashi Iwai wrote:
> > > At Mon, 07 Mar 2005 15:06:05 -0500,
> > > Lee Revell wrote:
> > > IMO, the reverse-engineering is not the first thing to do.
> > > The h/w vendors don't want to open their specs -- unless the manager
> > > realizes that many users want it in the world.  So, crying out loudly
> > > to the h/w vendors would be the first.  I don't think it's been done
> > > quite enough yet in this case.  AFAIK, Nvidia guys don't know that the
> > > problem exists at all.
> > > 
> > 
> > Good point.  Although Nvidia's position on opening their drivers is well
> > known, their engineers have definitely helped open source developers
> > before.  Someone should really ask them, and post the results here.
> 
> Hmm... would the downloads at
> 
> http://www.realtek.com.tw/downloads/downloads1-3.aspx?Keyword=alc850 
> 
> help any?  The first file listed is a datasheet for the alc850.  The
> second contains a diagram...

nForce seems to route the SPDIF not through AC97 but directly to the
transmitter.  So, tuning AC97 registers will unlikely help.


Takashi


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