On Thu, 04 Nov 2021 22:37:26 +0100, Kip Warner wrote: > > On Thu, 2021-11-04 at 08:40 +0000, Dmitri Seletski wrote: > > I am just a user. > > Can't help but wonder if usb snd modules were compiled in or loaded? > > Hey Dmitri, > > CC'ing the lists. When I plug in the device, I see the following on the > bus: > > $ lsusb > ... > Bus 001 Device 003: ID 1908:2070 GEMBIRD Honk HK-5002 USB Speaker > ... > > The kernel logs the following in kern.log: > > [ 291.681086] usb 1-2.3: new full-speed USB device number 3 using xhci_hcd > [ 291.850299] usb 1-2.3: New USB device found, idVendor=1908, idProduct=2070, bcdDevice= 1.00 > [ 291.850333] usb 1-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > [ 291.850345] usb 1-2.3: Product: USB2.0 Device > [ 291.850355] usb 1-2.3: Manufacturer: Generic > [ 291.850365] usb 1-2.3: SerialNumber: 20130100ph0 > [ 292.434209] mc: Linux media interface: v0.10 > [ 292.734949] usb 1-2.3: 1:1: cannot get freq at ep 0x2 > [ 292.802612] usb 1-2.3: 2:0: bogus dB values (-12800/-12700), disabling dB reporting > [ 292.803733] usbcore: registered new interface driver snd-usb-audio > > The device still doesn't appear to be visible to ALSA: > > $ aplay -l > aplay: device_list:276: no soundcards found... Check the contents in /proc/asound/cards. Is that empty as well? If the card is recognized there, check the /sys/class/sound/*. If a PCM device is found there, it must be the lack of the corresponding device in /dev/snd/* that is usually created via udev. Takashi
