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media: ov2740: change the minimal exposure value to 4
author
Bingbu Cao
<bingbu.cao@intel.com>
Fri, 25 Sep 2020 01:59:20 +0000
(
03:59
+0200)
committer
Mauro Carvalho Chehab
<mchehab+huawei@kernel.org>
Mon, 16 Nov 2020 09:31:12 +0000
(10:31 +0100)
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>
drivers/media/i2c/ov2740.c
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diff --git
a/drivers/media/i2c/ov2740.c
b/drivers/media/i2c/ov2740.c
index
0d32b0c
..
64ecb69
100644
(file)
--- a/
drivers/media/i2c/ov2740.c
+++ b/
drivers/media/i2c/ov2740.c
@@
-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