Re: Naming multiple alsa sound cards (was Re: synthetic sound generator with api)

[Hugo Vanwoerkom <hvw59601@care2.com>]

CJ van den Berg wrote:
> On Thu, Aug 03, 2006 at 05:20:38PM -0500, Hugo Vanwoerkom wrote:
> > For the alsa behaved apps (like libao) you set alsa_card=1 or 0 and 
> > ao_example.c plays on either one soundcard or the other.
>
> Just a small tip. On machines with multiple sound devices the alsa card
> numbers may not be predictable because the device number depends on which
> card was detected first. On my machine it seems to be pretty random. Alsa
> allows you to refer to sound devices by *name* though too, which works much
> more predictably. So for example in libao you would use the driver option
> "dev=hw:NAME" instead of "dev=hw:NUMBER". The names of the devices on your
> machine are listed (in square brackets) in /proc/asound/cards.

I have this in /etc/modprobe.d/sound:

alias snd-card-0 snd-via82xx
options snd-via82xx index=0
alias snd-card-1 snd_ca0106
options snd_ca0106 index=1


and now the cards always seem to come up in that order.
But thanks for the tip!

H