Re: How do I set the default sound card?

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Le Thu, 18 Jan 2007 15:00:27 +0100,Ronny Standtke <Ronny.Standtke@xxxxxxx> 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> > -------------------------------------------------------------------------> Take Surveys. Earn Cash. Influence the Future of IT> Join SourceForge.net's Techsay panel and you'll get the chance to share your> opinions on IT & business topics through brief surveys - and earn cash> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV> _______________________________________________> Alsa-user mailing list> Alsa-user@xxxxxxxxxxxxxxxxxxxxx> https://lists.sourceforge.net/lists/listinfo/alsa-user
You must have a file somewhere in /etc/modprobe.d with the options for the soundmodules. I am not sure about debian, but I think at itis /etc/modprobe.d/sound.
You must have something as that:
alias snd-card-0 snd-intel810option snd-module1 index=0
alias snd-card-1 snd-usb-audiooptions snd-usb-audio index=1
alias snd-card-2 snd-usb-audiooptions snd-usb-audio index=2
I am not sure about intel810, you must look for the right module name at thealsa 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, andthe 2 usb as second and third sound card. If you want to fix a specific orderfor the 2 usb sound cards, you must write an udev rule, but I cannot sayanything 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 linuxbecause multimedia is a great and fast growing part of computer experience, andthat with every OS. Linux must really fix this to be able to compete on thedesktop market. 
The center of the problem is at it is the responsibility of the distribution tofix this, and at it is no unified way. Maybe at a Debian's user can respond toyou 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 totallack 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 itwill not work as expected because of udev loading another sound card before theone configured with alsasound. It is really a shame when it is multimeiaeverywhere, and I am very polite.
So check if it is a debian multi sound card configuration documentation. Ifnot, fill a polite bug report on debian bugzilla.
Another solution is to try gentoo, the docs are the bestof all the linux distribution I know.
Sorry for my English.
Ciao,Dominique 
-------------------------------------------------------------------------Take Surveys. Earn Cash. Influence the Future of ITJoin SourceForge.net's Techsay panel and you'll get the chance to share youropinions on IT & business topics through brief surveys - and earn cashhttp://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV_______________________________________________Alsa-user mailing listAlsa-user@xxxxxxxxxxxxxxxxxxxxxxxxxx://lists.sourceforge.net/lists/listinfo/alsa-user

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