Le Thu, 18 Jan 2007 15:00:27 +0100,
Ronny Standtke <[EMAIL PROTECTED]> a écrit :

> Hi all,
> 
> I am desperately trying to use a webcam and a headset with my Linux-Desktop 
> (KDE). You can read the whole thread here: 
> http://lists.kde.org/?l=kde-linux&m=116749763322140&w=2
> At the end someone from the KDE camp suggested that I come over here...
> 
> So why does using the module option "index=0" makes my soundcard disappear?
> 
> Greetings & Thank you very much
> 
> Ronny Standtke
> 
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You must have a file somewhere in /etc/modprobe.d with the options for the sound
modules. I am not sure about debian, but I think at it
is /etc/modprobe.d/sound.

You must have something as that:

alias snd-card-0 snd-intel810
option snd-module1 index=0

alias snd-card-1 snd-usb-audio
options snd-usb-audio index=1

alias snd-card-2 snd-usb-audio
options snd-usb-audio index=2

I am not sure about intel810, you must look for the right module name at the
alsa sound cards matrix: http://www.alsa-project.org/alsa-doc/

You must run update-modules after editing this file.

With this setting, you will get the intel sound card as first sound card, and
the 2 usb as second and third sound card. If you want to fix a specific order
for the 2 usb sound cards, you must write an udev rule, but I cannot say
anything about that because it never worked as expected when trying to do so.

This kind of problem with the sound (and other modules) is really bad for linux
because multimedia is a great and fast growing part of computer experience, and
that with every OS. Linux must really fix this to be able to compete on the
desktop market. 

The center of the problem is at it is the responsibility of the distribution to
fix this, and at it is no unified way. Maybe at a Debian's user can respond to
you if this explanation is not enough. Or try in a debian forum or email list.

Another problem with alsa and most linux distributions is their almost total
lack of documentation on that subject. All they said is to run alsaconf,
but it will configure only the first sound card, and it is always a risk at it
will not work as expected because of udev loading another sound card before the
one configured with alsasound. It is really a shame when it is multimeia
everywhere, and I am very polite.

So check if it is a debian multi sound card configuration documentation. If
not, fill a polite bug report on debian bugzilla.

Another solution is to try gentoo, the docs are the best
of all the linux distribution I know.

Sorry for my English.

Ciao,
Dominique 

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