I've been using alsa for a while with my Turtle Beach Santa Cruz card
(using the cs46xx driver). Until upgrading to kernel 2.6.x, multichannel
playing worked beautifully - I could just play whatever sounds I wanted,
and they'd be mixed together automatically. I never had to do any
.asoundrc editing, or mess with dmix plugins or any of that. I assume
that it was using the hardware mixer on the card itself...

Now that I'm using 2.6 though, none of that works. If I try to play a
sound while another program is playing something, it just sits there
until the first program is done, then plays it afterwards.

Also, I've noticed that aplay -l no longer lists nearly as many devices
- it used to list about 30 (presumably for for each potential
multiplexed sound), but now only lists one output!

**** List of PLAYBACK Hardware Devices ****
card 0: CS46xx [Sound Fusion CS46xx], device 0: CS46xx [CS46xx]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

This has the extra problem that I can't use the rear output at all
(which I gather would normally be accessed with hw:0,1 or something
similar)

The only other change I see is that many of the mixer channels have
vanished - I don't know if that's related, but I imagine so.

Anyone have any idea what could have happened? Will I just have to use
the dmix plugin and give up hope on getting the rear channel working?
I sure hope not... 

Thanks!
  
-- 
Jon-o Addleman


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