On Thu, 16 Jan 2020 18:45:28 +0100, Tobias wrote: > > I applied the patch and when connecting the Denon MC7000 the attached > is what dmesg shows... > Hope you can find something useful in there. Thanks. This shows the validation error reported repeatedly at each access. Hmm. > Please let me know, if I can be of any more help. Please give lsusb -v output for the device, too, as well as alsa-info.sh output (run with --no-upload option). And, be prepared for building the more recent kernel. At least, the latest 5.4.y would be good -- otherwise there can be a chance you overlook something that was fixed already. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel