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3 Commits

Author SHA1 Message Date
Daniel Mack
a6a3325913 ALSA: usb-audio: support partially write-protected UAC2 controls 
So far, UAC2 controls are marked read-only if any of the channels are
marked read-only in the descriptors. Change this behaviour and

 - mark them writeable unless all channels are read-only
 - store the read-only mask in usb_mixer_elem_info and
 - check the mask again in set_cur_mix_value(), and bail out for
   write-protected channels.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 2010-05-31 18:15:57 +02:00
Daniel Mack
23caaf19b1 ALSA: usb-mixer: Add support for Audio Class v2.0 
USB Audio Class v2.0 compliant devices have different descriptors and a
different way of setting/getting min/max/res/cur properties. This patch
adds support for them.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 2010-03-12 12:21:26 +01:00
Daniel Mack
f0b5e634ff ALSA: usbmixer: rename usbmixer.[ch] -> mixer.[ch] 
For clearer namespace, also rename usbmixer_maps.c -> mixer_maps.c

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 2010-03-12 12:20:49 +01:00