Sven, Saladino,
1. Was your model detected as a snapper before your fix? You can also
check the "compatible" file in the open firmware 'sound' directory.
2. Can you send a listing of the open firmware 'sound' directory? It would
be interesting to see if there are any new files here.
Output of 'od -x sample-rates' would also be usefull. Maybe others as well,
not sure now.
3. To get this into the kernel please post the fix to
alsa-devel@lists.sourceforge.net
with a signed-off line and explanation what model chip this is, or at
least the /proc/cpuinfo output. Read Documentation/SubmittingPatches for
more info. I can forward it as well, if you get the info and sign it off.
Best regards,
--
Martin
---------------------------------------------------------------------------
30 years from now GNU/Linux will be as redundant a term as UNIX/MERT is
today. - Martin Habets
---------------------------------------------------------------------------
On Thu, Sep 15, 2005 at 08:13:47PM +0200, Sven Henkel wrote:
> Hi!
>
> > Misteriously ive found that when i use mpg321 it works with the
> > headphones!!! But none of the controls in alsamixer worked with this
> > sound.
> > ...
>
> I had the same problems on my brand new 12" iBook, i.e.:
> - modprobing dmasound_pmac fails with "No such device"
> - snd_powermac results in sound on headphones, no sound in speakers and an
> ineffective mixer
>
> Those results were seen on a vanilla 2.6.13 kernel, so my scenario looks
> pretty similar to yours. ;)
>
> Reading through latest kernel-changes, I got inspired by:
>
> http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=821690cdc82e4090ef6f91947f76a231fad5cbb1
>
> Unfortunately that patch didn't help, but I modified it to exactly match my
> soundcard-model. So, here it is:
>
> --- linux-2.6.13/sound/ppc/pmac.c 2005-08-29 14:11:45.000000000 +0200
> +++ linux-2.6.13.patched/sound/ppc/pmac.c 2005-09-15 19:57:16.000000000
> +0200
> @@ -988,6 +988,7 @@ static int __init snd_pmac_detect(pmac_t
> case 0x33:
> case 0x29:
> case 0x24:
> + case 0x50:
> chip->num_freqs = ARRAY_SIZE(tumbler_freqs);
> chip->model = PMAC_SNAPPER;
> chip->can_byte_swap = 0; /* FIXME: check this */
>
> This patch gives me sound on speakers and headphones and a lot of working
> mixer-controls, so it looks good...
>
> I hope it helps,
>
> cheers,
> Sven
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