From: Bingbu Cao <bingbu.cao@intel.com>
Date: Fri, 25 Sep 2020 01:59:20 +0000 (+0200)
Subject: media: ov2740: change the minimal exposure value to 4
X-Git-Tag: accepted/tizen/unified/20230118.172025~8355^2~344
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d7b18a9ee5513fe45175ccb8a29ae08ad110fb2;p=platform%2Fkernel%2Flinux-rpi.git

media: ov2740: change the minimal exposure value to 4

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>
---

diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c
index 0d32b0c..64ecb691 100644
--- 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