ALSA: usb-audio: Skip probe of UA-101 devices
authorTakashi Iwai <tiwai@suse.de>
Thu, 8 Apr 2021 07:56:56 +0000 (09:56 +0200)
committerTakashi Iwai <tiwai@suse.de>
Fri, 9 Apr 2021 07:57:30 +0000 (09:57 +0200)
commitd763145312582c08c4e9ed99d61276cde8488256
tree7922baf73f4c8fe5dc7b0799b8f805bec5a9e1fb
parent473d5ae82d73c3b21160b725af0e247fa94d7832
ALSA: usb-audio: Skip probe of UA-101 devices

UA-101 device and co are supported by another driver, snd-ua101, but
the USB audio class driver (snd-usb-audio) catches all and this
resulted in the lack of functionality like missing MIDI devices.

This patch introduces a sort of deny-listing for those devices to just
return -ENODEV at probe in snd-usb-audio driver, so that it falls back
to the probe by snd-ua101.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=212477
Link: https://lore.kernel.org/r/20210408075656.30184-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/card.c
sound/usb/quirks-table.h
sound/usb/usbaudio.h