ALSA: usb-mixer: parse descriptors with structs

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Introduce a number of new structs for mixer, selector, feature and
processing units and some static inline helpers to access fields which
have dynamic offsets. Use them in mixer.c to parse the descriptors. This
is necessary for the upcoming audio v2 parsers.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Daniel Mack 2010-03-11 21:13:24 +01:00 • committed by Takashi Iwai

parent f0b5e634ff

commit 99fc86450c

2 changed files with 166 additions and 50 deletions

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129

include/linux/usb/audio.h

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87

sound/usb/mixer.c

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