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authorJorge Sanjuan <jorge.sanjuan@codethink.co.uk>2018-07-11 13:37:52 +0100
committerTakashi Iwai <tiwai@suse.de>2018-07-16 16:35:09 +0200
commit4e887af31cedec0d3b24521a5c3c14c3a190422b (patch)
tree92f1287c12ba898c373ea93fd843bfcab032484b /kernel
parentc77e1ef1cdf74dba09edfa706fecc9fddd7bd084 (diff)
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ALSA: usb-audio: Processing Unit controls parsing in UAC2
Current support for UAC2 Processing Units does the parsing as one control per bit in the bitmap. However, the UAC2 spec defines the controls as bit pairs where b01 means read-only and b11 means read/write control. This patch fixes that and uses the helper functions for checking controls readability/writability when the control is defined as bit pairs (UAC2 and UAC3). Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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