Hi,
here are two trivial USB-audio patches I adapted the upstream commits for the older kernels up to 5.14.y. Feel free cherry-pick to 5.10.y and older trees as long as applicable.
thanks,
Takashi
===
Takashi Iwai (2): ALSA: usb-audio: Add Schiit Hel device to mixer map quirk table ALSA: usb-audio: Add Audient iD14 to mixer map quirk table
sound/usb/mixer_maps.c | 8 ++++++++ 1 file changed, 8 insertions(+)