Takashi Iwai 0cafae90a2 ALSA: usb-audio: Don't create a mixer element with bogus volume range
[ Upstream commit e9a0ef0b5ddcbc0d56c65aefc0f18d16e6f71207 ]

Some USB-audio descriptors provide a bogus volume range (e.g. volume
min and max are identical), which confuses user-space.
This patch makes the driver skipping such a control element.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206221
Link: https://lore.kernel.org/r/20200214144928.23628-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:14:34 +02:00
..
2018-06-29 12:05:05 +01:00
2020-07-16 08:17:25 +02:00
2019-08-16 10:12:39 +02:00