[LAU] sound devices usb pre 2. usb 2 with 96k

Chris Caudle chris at chriscaudle.org
Fri Mar 15 22:36:05 CET 2019


On Fri, March 15, 2019 4:20 pm, olaf at klingt.org wrote:
> so i tried lsusb -t
>
> lsusb -t
> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
> /:  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


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