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(parent: bb80b96) | patch
ALSA: usb-audio: Don't create a mixer element with bogus volume range
authorTakashi Iwai <tiwai@suse.de>
Fri, 14 Feb 2020 14:49:28 +0000 (15:49 +0100)
committerTakashi Iwai <tiwai@suse.de>
Fri, 14 Feb 2020 14:51:35 +0000 (15:51 +0100)
commite9a0ef0b5ddcbc0d56c65aefc0f18d16e6f71207
tree981b6308930c35fd89be925edff71b1e984de1f0tree | snapshot
parentbb80b96422b443ddcb6dbb39261ea3e02a13661dcommit | diff
ALSA: usb-audio: Don't create a mixer element with bogus volume range

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>
sound/usb/mixer.c diff | blob | history
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