[linux-audio-user] ordering usb sound cards

[Lars Luthman]

On Mon, 2007-03-19 at 20:09 -0400, Eric Dantan Rzewnicki wrote:
> I've read some of Christoph Eckert's posts from 2005 about passing index
> options to snd-usb-audio when it gets loaded, but I haven't been able to
> get it to work. There is a builtin mic with the non-functional camera
> that is apparantly on the usb bus, the internal SiS AC'97 device and
> sometimes an edirol ua-25.
> 
> Any one of them can end up in any position. I've tried messing with
> options in modprobe.d, but haven't figured out how to make the cards
> stick to their card numbers on each boot.
> 
> Anyone here have some pointers? It'll make the LAC streaming go much
> more smoothly if I don't have to hunt down which cardnumber is the edirol 
> for the audio streams and which cardnumber is internal for monitoring.

This is the relevant part of my /etc/modprobe.d/alsa-base:

alias snd-card-0 snd-emu10k1
alias snd-card-1 snd-cmipci
alias snd-card-2 snd-via82xx
alias snd-card-3 snd-usb-audio
alias snd-card-4 snd-usb-audio
alias snd-card-5 snd-usb-audio

options snd-emu10k1 index=0
options snd-cmipci index=1
options snd-via82xx index=2
options snd-usb-audio index=3,4,5 vid=0x0c45,0x0a4d,0x17a0
pid=0x60af,0x0090,0x0001


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