The new cs46xx driver can talk to (up to) 2 codecs on one card now .
You can see duplicate controls because your card uses 2 codecs (CS4297A and CS4294) for multichannel playback/(recording?). Therefore, e.g. one master controls your front output, one master controls your surround outputs and so on. But I don't know exactly which controls correspond to which channels.
btw: The new driver also does hardware mixing (no need for sound daemons like arts,.. any more. But that feature is available since rc2, I think), SPDIF output, (theoretically) SPDIF input...
hope that helps
fe
P.S. perhaps you should try using a newer version (cvs) because there was a bug with some versions including rc6: For some reason one channel was phase reversed (i.e. wrong sign of the sample values) which causes a wrong stereophonic impression. Furthermore sound will lack of bass when using loudspeakers because of this.
Lance A. Brown wrote:
Greetings,
I just upgraded to ALSA 0.9.0rc6 on my system at home with a Turtle
Beach Santa Cruz (Sound Fusion CS46xx, Cirrus Logic CS4297A rev 4,Cirrus
Logic CS4294 rev 5) and now have a whole LOT more controls in
alsamixer. I checked the TB site but didn't find anything useful about
learning how to handle all this.
Is there someplace in the ALSA docs that explains what all these new
controls are/do? Is there someplace else I can look?
In particular, I'm seeing duplicates of a lot of the controls. Master
Volume and Master Volume 1, for example.
Thanks,
--[Lance]
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