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ALSA: usb-audio: Fix parameter block size for UAC2 control requests
[ Upstream commit bc18e31 ] USB Audio Class version 2.0 supports three different parameter block sizes for CUR requests, which are 1 byte (5.2.3.1 Layout 1 Parameter Block), 2 bytes (5.2.3.2 Layout 2 Parameter Block) and 4 bytes (5.2.3.3 Layout 3 Parameter Block). Use the correct size according to the specific control as it was already done for UACv1. The allocated block size for control requests is increased to support the 4 byte worst case. Signed-off-by: Julian Scheel <[email protected]> Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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