Hi,
Actually it goes out of scope space of X.
You should ask to sound system developers, how i can set default sound card according to my environment variables with multiple sound cards on board.

Here is little outdated link:
http://perso.nnx.com/pludov/sessiond/

This tool will replace sound device files like /dev/dsp* with links to each sound card files
depending of DISPLAY variable.

Aivils

Citējot "[email protected]" <[email protected]>:

Hello,

Thanks for the replay but I'm not sure how this answers my question.
using xorg I can "seats", e.g. xorg will run a session limited to a specific combination of gpu, screen, keyboard and mouse.
I just want to add sound card to it.

 
An wise Scandinavian old man once said: "in the end, everything is going to be alright"


________________________________
 From: Giuseppe Penone <[email protected]>
To: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Sent: Monday, June 18, 2012 9:31 AM
Subject: Re: defining sound card in xorg.conf


for usb audio cards there's a good explanation here https://help.ubuntu.com/community/UbuntuStudio/UsbAudioDevices

anyway to make it simple:

1) check that your system recognized the usb audio:
cat/proc/asound/cards

2) set the desired card as default used:
sudo nano  /etc/modprobe.d/alsa-base
go to the bottom and change the index of the default card from -2 to 0

cheers.





On Sat, Jun 16, 2012 at 10:54 PM, [email protected] <[email protected]> wrote:

Hello All,


I'm about to reinstate my 3 way multiseat configuration (2 seats and one for the tv), up until now I didn't used the sound cards but now as I got a usb sound card I want to add sound support.


is there a way to define in xorg.conf what sound card will be used by what seat?


Thanks.

 
An wise Scandinavian old man once said: "in the end, everything is going to be alright"
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