I'll study that doc, but I work best from cribbed examples. So, I'd like to owe you a pizza and accept your most gracious offer! Bus 002 Device 034: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter Bus 002 Device 033: ID 0409:005a NEC Corp. HighSpeed Hub Bus 002 Device 005: ID 0409:005a NEC Corp. HighSpeed Hub Bus 002 Device 004: ID 045e:0047 Microsoft Corp. IntelliMouse Explorer 3.0 Bus 002 Device 003: ID 1395:3556 Sennheiser Communications USB Headset Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04b8:0131 Seiko Epson Corp. GT-F720 [GT-S620/Perfection V30/V300 Photo] Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 002: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub 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
