media: allegro: drop length field from message header
The length of the message will be determined when the message is encoded. Writing the size of the struct into the message in the driver won't be the actual length of the message that is send to the firmware. Therefore, drop the length field from the message. Since the header is the same for all response messages, it does not make sense to read the header in each decoding function, but we can simply decode it once before dispatching to the respective functions. Signed-off-by: NMichael Tretter <m.tretter@pengutronix.de> Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>
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