Re: [PATCH] ppc64: very basic desktop g5 sound support (#2)

Benjamin Herrenschmidt
2005-04-12T22:30:07Z

On Tue, 2005-04-12 at 21:32 +0200, Andreas Schwab wrote:
> Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
>
> > This patch hacks the current PowerMac Alsa driver to add some basic
> > support of analog sound output to some desktop G5s. It has severe
> > limitations though:
> >
> > - Only 44100Khz 16 bits
> > - Only work on G5 models using a TAS3004 analog code, that is early
> > single CPU desktops and all dual CPU desktops at this date, but none
> > of the more recent ones like iMac G5.
> > - It does analog only, no digital/SPDIF support at all, no native
> > AC3 support
>
> On my PowerMac the internal speaker is now working, but unfortunately on
> the line-out I get nearly no output. I have pushed both the master and
> pcm control to the maximum and still barely hear anything.

Yes, I noticed that too on some models, not sure what's up at this
point. What about the headphone jack on the front ? That one appears to
work.

Ben.