[LAU] MultiCard: Userspace solution

[hollunder at gmx.at]

On Mon, 06 Jul 2009 09:20:43 +0200
Giso Grimm <gg3137 at vegri.net> wrote:

> Hi,
> 
> why not simply use "hw:IO" as a device in jack? That works perfectly
> well for me. It is just overwritten by qjackctl if I select a sound
> card from the list. Works also for all other ALSA applications (and
> you can create aliases in .asoundrc of you like, e.g.:
> 
> pcm.!default {
>   type plug
> #  slave { pcm "hw:Digi968,0" }
>   slave { pcm "hw:DSP" }
>   route_policy duplicate
> }
> 
> should work with non-plug definition as well).
> 
> -- Giso
> 
> 
> Carlo Capocasa wrote:
> > Never got it to work...
> > 
> > Ivica Ico Bukvic wrote:
> >>> Hi everyone!
> >>>
> >>> I made a quick fix solution to the alsa multicard problem that
> >>> turns up when you have more than one soundcard. In this case, the
> >>> alsa device number is volatile and you have to update your
> >>> QJackCtl config after every boot.
> >>>
> >>> The description is here:
> >>>
> >>> https://help.ubuntu.com/community/UbuntuStudio/MulticardQuickfix
> >>>
> >>> It is on the Ubuntu Wiki, because that is what I use, but the
> >>> instructions should work unchanged for any linux distribution.
> >>>
> >>> Thanks for having a look! Let me know if I can improve something.
> >>>
> >>> Carlo
> >> Doesn't the Alsa's option card numbering work any more?
> >>
> >> Ico

I second that, just look at the output of aplay -l.
in my case:
card 1: UA25 [UA-25]

the in qjackctl or the jack commandline just use hw:UA25
done, no more trouble