Hi,
I finally got the 6 chanel audio to work with my cmedia 8738 chip (v55)!
I'm typing this on another machine and will try to reproduce my steps from
memory. Hopefully it will help others.
After installing rc7 (--with-oss=yes --with-isapnp=no --with-cards=cmipci)
depmod was unhappy. I had to add --with-sequencer=no to get rid of unresolved
symbols.
Then I patched cmipci.c to the latest cvs version and recompiled with the same
config.
Switching only the following on in mixer (gnome-alsamixer) it works:
use line in as bass
use mic as center/lfe (I only have 3 jacks on my mobo)
exchange dac
Note that 4 chanel is NOT selected.
Then hw:0,1 can play 6 channel sound!
To test things I have the following device defined in .asoundrc
pcm.test{
type plug
slave.pcm hw:0,1
slave.chanels 6
ttable 0.0 1
ttable 0.1 0
ttable 0.2 0
ttable 0.3 0
ttable 0.4 0
ttable 0.5 0
}
By using 0 or 1 at the end of the ttable lines I can play a mono file on any
speaker I want to (aplay -D test foo.wav). Time to get my hands on a nice
multi chanel sound file for further testing :)
Have fun!
Tobias.
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