On 01/08/2017 11:06 PM, Ralf Mardorf wrote: > [rocketmouse at archlinux tmp]$ ls -lh linux-4.10-rc2/sound/usb/s* Try .../usb/*sc* to match "mixer_scarlett.cc". it's in vanilla linux since 2014: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/sound/usb ciao, robin