Chris: You've put me on the trail of docs I've looked for and failed to find forever. I'm now looking at: http://alsa.opensrc.org/MultipleCards If I'm reading this correctly, I should be able to get the results I need by specifying a vendor and product id to order my two usb cards like I want them ordered. Very cool. Hope it works! Janina Chris Brannon writes: > Janina Sajka <janina@xxxxxxxxxxx> writes: > > > It was a great suggestion, Chris. Unfortunately, it seems there's yet > > another bug in how alsa handles usb devices. > > > > I have 2 usb devices. No matter how I specify things, the card that gets > > invoked is the first of those two. > > Oh interesting. So it looks like there's a name clash. > Last time I dealt with multiple USB audio devices, they had unique > human-friendly IDs by default. My Logitech USB headset was called > Headset, and my FM transmitter was called RocketFM. > Apparently I was just lucky. > > Not sure how much you know about alsa, so I'll also mention that > you can see the human friendly IDs by looking for the symlinks in > /proc/asound. They're also listed in the output of aplay -l, but it's > sort of non-intuitive what they are. > > > Now, if I were really clever, I suppose I'd know how to write udev rules > > to insure that the Sennheiser gets a lower card ID than the C-Media > > device. > > Well if you send me the output of lsusb, I can probably write some udev rules > for you. Or alternatively have a look at http://alsa.opensrc.org/Udev for a > starting point. > > -- Chris > _______________________________________________ > Speakup mailing list > Speakup@xxxxxxxxxxxxxxxxx > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup -- Janina Sajka, Phone: +1.443.300.2200 sip:janina@xxxxxxxxxxxxxxxxxxxx Email: janina@xxxxxxxxxxx Linux Foundation Fellow Executive Chair, Accessibility Workgroup: http://a11y.org The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI) Chair, Accessible Platform Architectures http://www.w3.org/wai/apa _______________________________________________ Speakup mailing list Speakup@xxxxxxxxxxxxxxxxx http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
