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media: ov2740: change the minimal exposure value to 4

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The minimal valid exposure value should be 4 lines instead of 8 for
ov2740 mannual exposure control.

Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Bingbu Cao 2020-09-25 03:59:20 +02:00 committed by Mauro Carvalho Chehab
parent 1c891423d7
commit 1d7b18a9ee
1 changed files with 1 additions and 1 deletions
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2
drivers/media/i2c/ov2740.c
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@ -37,7 +37,7 @@
/* Exposure controls from sensor */
#define OV2740_REG_EXPOSURE 0x3500
#define OV2740_EXPOSURE_MIN 8
#define OV2740_EXPOSURE_MIN 4
#define OV2740_EXPOSURE_MAX_MARGIN 8
#define OV2740_EXPOSURE_STEP 1