15 Mar
2019
15 Mar
'19
11:36 p.m.
On Fri, March 15, 2019 4:20 pm, olaf(a)klingt.org wrote:
so i tried lsusb -t
lsusb -t
/:Â Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
/:Â Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
   |__ Port 1: Dev 6, If 3, Class=Human Interface Device,
Driver=usbhid, 480M
   |__ Port 1: Dev 6, If 1, Class=Audio, Driver=snd-usb-audio, 480M
   |__ Port 1: Dev 6, If 2, Class=Audio, Driver=snd-usb-audio, 480M
   |__ Port 1: Dev 6, If 0, Class=Audio, Driver=snd-usb-audio, 480M
   |__ Port 6: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
   |__ Port 6: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
   |__ Port 7: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M
   |__ Port 7: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M
   |__ Port 8: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 12M
Bus 1 Dev 6 has three audio endpoints.
Try lsusb -v -s 1:6 to show verbose output from just device 6 on bus 1.
And then hopefully Clemens or someone similarly familiar with
snd-usb-audio driver can help interpret.
--
Chris Caudle