media: i2c: imx258: Add support for long exposure modes
The sensor has a register CIT_LSHIFT which extends the exposure
and frame times by the specified power of 2 for longer
exposure times.
Add support for this by configuring this register via V4L2_CID_VBLANK
and extending the V4L2_CID_EXPOSURE range accordingly.
Signed-off-by:
Dave Stevenson <dave.stevenson@raspberrypi.com>
parent
ef21918d
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