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(parent: 28acb12) | patch
ALSA: usb-audio: add control index offset
authorEldad Zack <eldad@fogrefinery.com>
Wed, 28 Nov 2012 22:55:35 +0000 (23:55 +0100)
committerTakashi Iwai <tiwai@suse.de>
Thu, 29 Nov 2012 07:43:12 +0000 (08:43 +0100)
commit9f814105926cbeb003b1684cd5564612bccfe45c
tree3a80076a31997d21dcfa20a21a58747bf6675173tree | snapshot
parent28acb12014fb0c3e1edfdab1b1e3e266cf651550commit | diff
ALSA: usb-audio: add control index offset

Currently, channel IDs exceeding 31 (0x1f) cannot be used.
The channel ID is derived from the cmask. Extending cmask
to a 64-bit type would only allow it to go up to 63 (0x3f).
Some devices have channel IDs exceeding that as well.
To address that, add an offset to the mixer element which
is then accounted for in the UAC set/get functions.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/mixer.c diff | blob | history
sound/usb/mixer.h diff | blob | history
sound/usb/mixer_quirks.c diff | blob | history
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