Re: USB-Audio regression on behringer UMC404HD

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On Wed, 4 Jan 2023 at 02:14, Michael Ralston <michael@xxxxxxxxxxxxx> wrote:
>
> On Wed, 4 Jan 2023 at 02:13, Takashi Iwai <tiwai@xxxxxxx> wrote:
> >
> > That's weird.  Is snd_usb_audio driver bound with the device at all?
> > That is, does it appear in /proc/asound/cards?
> >
>
> Yes, it's there.
>
> 0 [V49            ]: USB-Audio - V49
>                      Alesis V49 at usb-0000:08:00.1-3, full speed
> 1 [NVidia         ]: HDA-Intel - HDA NVidia
>                      HDA NVidia at 0xfc080000 irq 154
> 2 [U192k          ]: USB-Audio - UMC404HD 192k
>                      BEHRINGER UMC404HD 192k at usb-0000:08:00.1-4, high speed
> 3 [Generic        ]: HDA-Intel - HD-Audio Generic
>                      HD-Audio Generic at 0xfca00000 irq 156

Also lsusb shows this...

    |__ Port 4: Dev 5, If 0, Class=Audio, Driver=snd-usb-audio, 480M
       ID 1397:0509 BEHRINGER International GmbH
       /sys/bus/usb/devices/1-4  /dev/bus/usb/001/005
   |__ Port 4: Dev 5, If 1, Class=Audio, Driver=snd-usb-audio, 480M
       ID 1397:0509 BEHRINGER International GmbH
       /sys/bus/usb/devices/1-4  /dev/bus/usb/001/005
   |__ Port 4: Dev 5, If 2, Class=Audio, Driver=snd-usb-audio, 480M
       ID 1397:0509 BEHRINGER International GmbH
       /sys/bus/usb/devices/1-4  /dev/bus/usb/001/005
   |__ Port 4: Dev 5, If 3, Class=Audio, Driver=snd-usb-audio, 480M
       ID 1397:0509 BEHRINGER International GmbH
       /sys/bus/usb/devices/1-4  /dev/bus/usb/001/005
   |__ Port 4: Dev 5, If 4, Class=Audio, Driver=snd-usb-audio, 480M
       ID 1397:0509 BEHRINGER International GmbH
       /sys/bus/usb/devices/1-4  /dev/bus/usb/001/005
   |__ Port 4: Dev 5, If 5, Class=Vendor Specific Class, Driver=, 480M
       ID 1397:0509 BEHRINGER International GmbH
       /sys/bus/usb/devices/1-4  /dev/bus/usb/001/005

--
Michael



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