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media: imx: imx7_mipi_csis: Minimize locking in get/set format
Reduce the code sections that are run with the lock held in the get/set
format handlers:
- mipi_csis_get_format() retrieves a pointer to the format, and thus
doesn't need locking as long as the arguments passed to the function
don't require locking either.
- sdformat is a structure passed by the caller, not an internal state,
and thus doesn't require locking.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>