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authorKirill Marinushkin <k.marinushkin@gmail.com>2018-01-29 06:37:55 +0100
committerTakashi Iwai <tiwai@suse.de>2018-02-12 09:07:29 +0100
commit447cae58cecd69392b74a4a42cd0ab9cabd816af (patch)
tree4654851a3c4cab88496c6d7371473f9830991358 /lib/uuid.c
parentALSA: ac97: Fix copy and paste typo in documentation (diff)
downloadlinux-447cae58cecd69392b74a4a42cd0ab9cabd816af.tar.xz
linux-447cae58cecd69392b74a4a42cd0ab9cabd816af.zip
ALSA: usb-audio: Fix UAC2 get_ctl request with a RANGE attribute
The layout of the UAC2 Control request and response varies depending on the request type. With the current implementation, only the Layout 2 Parameter Block (with the 2-byte sized RANGE attribute) is handled properly. For the Control requests with the 1-byte sized RANGE attribute (Bass Control, Mid Control, Tremble Control), the response is parsed incorrectly. This commit: * fixes the wLength field value in the request * fixes parsing the range values from the response Fixes: 23caaf19b11e ("ALSA: usb-mixer: Add support for Audio Class v2.0") Signed-off-by: Kirill Marinushkin <k.marinushkin@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'lib/uuid.c')
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