current ov5675 driver did a wrong calculation for the maximum exposure
value, it will cause the auto-exposure can not work as expected, this
patch correct it.
Signed-off-by: Bingbu Cao <bingbu.cao@xxxxxxxxx>
---
drivers/media/i2c/ov5675.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/ov5675.c b/drivers/media/i2c/ov5675.c
index 8537cc4ca108..7592cd50807a 100644
--- a/drivers/media/i2c/ov5675.c
+++ b/drivers/media/i2c/ov5675.c
@@ -666,8 +666,8 @@ static int ov5675_set_ctrl(struct v4l2_ctrl *ctrl)
/* Propagate change of current control to all related controls */
if (ctrl->id == V4L2_CID_VBLANK) {
/* Update max exposure while meeting expected vblanking */
- exposure_max = (ov5675->cur_mode->height + ctrl->val -
- OV5675_EXPOSURE_MAX_MARGIN) / 2;
+ exposure_max = ov5675->cur_mode->height + ctrl->val -
+ OV5675_EXPOSURE_MAX_MARGIN;
__v4l2_ctrl_modify_range(ov5675->exposure,
ov5675->exposure->minimum,
exposure_max, ov5675->exposure->step,
--
2.7.4
