[alsa-devel] ALC892 support for multiple spdif outputs

[Takashi Iwai]

At Mon, 16 Aug 2010 10:43:41 +0200,
Sander Knopper wrote:
> 
> On Monday 16 August 2010 10:30:14 you wrote:
> > At Mon, 16 Aug 2010 09:52:31 +0200,
> > 
> > Sander Knopper wrote:
> > > [1  <text/plain; iso-8859-1 (7bit)>]
> > > 
> > > On Monday 16 August 2010 08:42:07 you wrote:
> > > > At Sun, 15 Aug 2010 14:57:51 +0200,
> > > > 
> > > > Sander Knopper wrote:
> > > > > Dear developers,
> > > > > 
> > > > > I've opened a bug about this problem which can be viewed here:
> > > > > https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5101
> > > > > 
> > > > > Raymond mentions in his last comment that I should ask you to, if I
> > > > > understand correctly, do the same trick as in the commit he refers to
> > > > > also for the ALC892 chip. Which obviously is the one I have...
> > > > > 
> > > > > You can find all the relevant information in the bug entry.
> > > > 
> > > > Could you post the exact problem and attach alsa-info.sh output to ML?
> > > > It'll help much for communication on ML.
> > > > 
> > > > 
> > > > Takashi
> > > 
> > > Ok, I can do that...
> > > 
> > > The problem is that I have an Asus P7H55 M Pro motherboard which uses the
> > > ALC892 codec. I'm using this system as a HTPC and thus I'm trying to get
> > > sound from the HTPC to my receiver. The motherboard only has an optical
> > > output which shouldn't be an problem, be it that my receiver only has a
> > > coaxial input.
> > > 
> > > So I bought an spdif bracket made by Asus which has both a coaxial and
> > > optical output and connected it to the internal spdif pins on the
> > > motherboard. So far so good, but the real problem is that I can't get
> > > the bracket to work. When I unmute all the spdif related entries with
> > > alsamixer only the optical output on the motherboard itself "gives
> > > light" and the one on the bracket doesn't.
> > > 
> > > I've searched the internet a bit and I tried switching the audio output
> > > in the bios from HDMI to SPDIF and vice versa, but that doesn't make any
> > > difference.
> > > 
> > > alsa-info is attached.
> > 
> > OK.  Did you test the latest alsa-driver-snapshot?
> > 
> >  
> > ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-sn
> > apshot.tar.gz
> > 
> > The multi-SPDIF support is generic for all Realtek codecs.
> > 
> > 
> > Takashi
> 
> Should kernel 2.6.36-rc1 work too? Otherwise I'll try the snapshot...

2.6.36-rc1 should be OK, too.


Takashi