[linux-audio-user] ordering usb sound cards

Eric Dantan Rzewnicki eric at zhevny.com
Tue Mar 20 03:22:49 EDT 2007

On Tue, Mar 20, 2007 at 08:14:41AM +0100, Lars Luthman wrote:
> 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

Yeah, I tried something similar with the appropriate vid's and pid's.
I'll try again ... maybe I had a typo.

-Eric Rz.

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