Post the output of lsusb -vvvv -d 0d8c:01af
lsusb -vvvv -d 0d8c:0170 Card hw:1 'OnurHeadset'/'Cmedia OnurHeadset at usb-0000:00:1d.0-1.5.1, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:01af' Controls : 9 Simple ctrls : 4 Card hw:3 'OnurHandset'/'Cmedia OnurHandset at usb-0000:00:1d.0-1.5.2, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:0170' Controls : 15 Simple ctrls : 6 do your usb audio devices really support digital input (IEC958) ? device.bus = "usb" device.vendor.id = "0d8c" device.vendor.name = "C-Media Electronics, Inc." device.product.id = "0170" device.product.name = "OnurHandset" device.serial = "Cmedia_OnurHandset_2.0.0.6" device.form_factor = "handset" device.string = "3" device.description = "OnurHandset" module-udev-detect.discovered = "1" device.icon_name = "phone-usb" device.intended_roles = "phone" profiles: input:analog-stereo: Analog Stereo Input (priority 60, available: unknown) input:iec958-stereo: Digital Stereo (IEC958) Input (priority 55, available: unknown) output:analog-stereo: Analog Stereo Output (priority 6000, available: unknown) output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (priority 6060, available: unknown) output:analog-stereo+input:iec958-stereo: Analog Stereo Output + Digital Stereo (IEC958) Input (priority 6055, available: unknown) output:iec958-stereo: Digital Stereo (IEC958) Output (priority 5500, available: unknown) output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958) Output + Analog Stereo Input (priority 5560, available: unknown) output:iec958-stereo+input:iec958-stereo: Digital Stereo Duplex (IEC958) (priority 5555, available: unknown) off: Off (priority 0, available: unknown) ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1317105 Title: USB sound card not detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1317105/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs