Re: sound problem on recent PowerBook5,8 MacRISC3

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Wed, 2006-02-08 at 23:55 -0500, Lee Revell wrote:
> On Thu, 2006-02-09 at 09:29 +1100, Benjamin Herrenschmidt wrote:
> > On Wed, 2006-02-08 at 11:00 -0500, Yaroslav Halchenko wrote:
> > > Dear Kernel People,
> > > 
> > > Sound fails to work on the PowerBook laptop
> > > information on which could be found from
> > > http://www.onerussian.com/Linux/bugs/bug.sound/
> > > 
> > > On 2.6.16-rc1 and got
> > > dmasound_pmac: couldn't find a Codec we can handle
> > > ....
> > > snd: Unknown layout ID 0x52
> > > (and ALSA failed to find any device)
> > 
> > The sound chipset on these new machines isn't yet supported.
> > 
> 
> Please file a feature request in the ALSA bugzilla, so this won't get
> lost.  Please include pointers to any Darwin code or any other docs you
> think might help.
> 
> https://bugtrack.alsa-project.org/alsa-bug/login_select_proj_page.php?ref=bug_report_advanced_page.php

Well, I have started tracking down all chipset models and all ways they
are routed in the different mac models. It's a total mess but I'm slowly
getting there. I intend to rewrite a new driver that can handle properly
those new scenarios of multiple i2c busses and multiple codecs per bus,
among others.

Ben.

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