[alsa-devel] USB Audio Interface / Denon MC7000 and MC8000 controller

[Tobias]

Hello dear ALSA developers - is there any chance to get the Denon MC7000 
and MC8000 USB Audio devices supported? See previous message for details.

Thanks a lot
Tobias



Am 14.12.19 um 09:24 schrieb Tobias:
> Hello dear ALSA developers.
>
> I have purchased a MC7000 controller in order to control MIXXX on 
> Ubuntu 16.04. According to the Denon specification the controller 
> should have been class compliant but there is an issue with the Audio 
> interface to work properly giving following message ...
>
> $ dmesg
> ...
> |[   74.522831] usb 1-1.3: new high-speed USB device number 6 using 
> xhci_hcd
> [   74.623784] usb 1-1.3: New USB device found, idVendor=15e4, 
> idProduct=8004
> [   74.623789] usb 1-1.3: New USB device strings: Mfr=1, Product=2, 
> SerialNumber=3
> [   74.623793] usb 1-1.3: Product: DENON DJ MC7000
> [   74.623796] usb 1-1.3: Manufacturer: DENON DJ
> [   74.623798] usb 1-1.3: SerialNumber: 201603
> [   74.625134] usb 1-1.3: clock source 65 is not valid, cannot use
>
> "|||clock source 65 is not valid, cannot use" is repeated uncountable 
> times then
>
>
> |I found a discussion here for the MC8000 Audio interface which was 
> not working and showing the same error message:
>
> https://alsa-user.narkive.com/2tDAO87f/troubleshooting-new-usb-audio-device#post8 
>
>
> The solution was to change sound/usb/clock.c and recompile the kernel.
> This is not practical for daily use case so I would like to ask if the 
> ALSA team could possibly find a permanent fix for ordinary users.
>
> To get my outputs for
>
> aplay -l
> aplay -L
> |||aplay -D plughw:CARD=MC7000,DEV=0 Grimmaldika-MakeBelieve.wav
> |lsusb -v
> mixxx --controllerDebug||
> JackServer error message|
>
> you may have a look at the Mixxx Community Forums here(just on page, 
> you don't need to find and read on multiple pages)
>
> https://www.mixxx.org/forums/viewtopic.php?f=7&t=12962&start=10
>
> If you need any more information then please let me know.
>
> Thanks a lot for your support on this matter.
>
> Cheers!
> OsZ
> ||