From 6146fde355b4eef760102a8ce0d063c6ecf53cb8 Mon Sep 17 00:00:00 2001
From: Hugues Fruchet <hugues.fruchet@st.com>
Date: Mon, 22 Jan 2018 05:06:40 -0500
Subject: [PATCH] media: ov5640: fix spurious streamon failures

Time to time, stream on is failing with a strange positive error.
Error code is returned erroneously by ov5640_set_ctrl_exposure()
due to ov5640_get_vts() return value wrongly treated as error.
Fix this by forcing ret to 0 after ov5640_get_vts() success call,
in order that ret is set to success for rest of code sequence.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---
 drivers/media/i2c/ov5640.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index f0177421b7522..e2dd352224c78 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -2057,6 +2057,7 @@ static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp)
 		if (ret < 0)
 			return ret;
 		max_exp += ret;
+		ret = 0;
 
 		if (ctrls->exposure->val < max_exp)
 			ret = ov5640_set_exposure(sensor, ctrls->exposure->val);
-- 
2.30.2