changing soundcards

[Janina Sajka]

This is correct. But, if you have more than USB sound device, it's a bit
arbitrary which one gets which id. And, if one is removed, your id can
shift.

I'm told, though I haven't worked out how to do it, that using udev is
the only way to lock a particular USB sound device to a particular alsa
card id.

I'd love to see some examples of how this can be done with udev, but
haven't found any.

Janina

Willem van der Walt writes:
> If you are on ubuntu, look at /etc/modprobe.d/alsa-base.conf
> You can influence the order in which things are loaded there.
> Regards, Willem
> 
> 
> On Mon, 10 Aug 2015, Jude DaShiell wrote:
> 
> >read up on amixer.  You can probably select a usb sound card, but your
> >selection will be canceled with the next reboot.
> >I had this happen while trying to use usb speakers earlier.
> >It doesn't matter what is stored in alsa configuration files like
> >asound.state the cancelation of your selection happens anyway.
> >
> >On Mon, 10 Aug 2015, Kristoffer Gustafsson wrote:
> >
> >>Date: Mon, 10 Aug 2015 15:09:10
> >>From: Kristoffer Gustafsson <kg.kristoffer at gmail.com>
> >>Reply-To: Linux for blind general discussion <blinux-list at redhat.com>
> >>To: blinux-list at redhat.com
> >>Subject: changing soundcards
> >>
> >>Hi.
> >>I've decided to try out my usb soundcard in debian.
> >>But how do I change what card it uses?
> >>I used alsaconf Before, but that doesn't exist any longer.
> >>/Kristoffer
> >>
> >>-- 
> >>Kristoffer Gustafsson
> >>Sal?ngsgatan 7a
> >>tel:033-12 60 93
> >>mobil: 0730-500934
> >>
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-- 

Janina Sajka,	Phone:	+1.443.300.2200
			sip:janina at asterisk.rednote.net
		Email:	janina at rednote.net

Linux Foundation Fellow
Executive Chair, Accessibility Workgroup:	http://a11y.org

The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
Chair,	Protocols & Formats	http://www.w3.org/wai/pf