media: i2c: imx258: Follow normal V4L2 behaviours for clipping exposure

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V4L2 sensor drivers are expected to clip the supported exposure
range based on the VBLANK configured.
IMX258 wasn't doing that as register 0x350 (FRM_LENGTH_CTL)
switches it to a mode where frame length tracks coarse exposure time.

Disable this mode and clip the range for V4L2_CID_EXPOSURE appropriately
based on V4L2_CID_VBLANK.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Luis Garcia <git@luigi311.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

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Dave Stevenson 2024-05-01 09:24:27 -06:00 • committed by Hans Verkuil

parent c699953f61

commit 8eaf1994a4

1 changed files with 23 additions and 2 deletions

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drivers/media/i2c/imx258.c

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