The vts value should be set before being checked, as otherwise a
warning will arise:
drivers/staging/media/atomisp/i2c/atomisp-ov2680.c: In function 'ov2680_set_fmt':
drivers/staging/media/atomisp/i2c/atomisp-ov2680.c:873:33: warning: 'vts' may be used uninitialized
[-Wmaybe-uninitialized]
873 | if (dev->exposure > vts - OV2680_INTEGRATION_TIME_MARGIN)
Reported-by: Hans Verkuil <hverkuil@xxxxxxxxx>
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
Fixes: 62b984359b6f ("media: atomisp-ov2680: Fix ov2680_set_fmt() messing up high exposure settings")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
drivers/staging/media/atomisp/i2c/atomisp-ov2680.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
index 497884d332e1..d24f8830fd94 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
@@ -869,11 +869,11 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd,
dev_err(&client->dev,
"ov2680 write resolution register err: %d\n", ret);
+ vts = dev->res->lines_per_frame;
+
/* If necessary increase the VTS to match exposure + MARGIN */
if (dev->exposure > vts - OV2680_INTEGRATION_TIME_MARGIN)
vts = dev->exposure + OV2680_INTEGRATION_TIME_MARGIN;
- else
- vts = dev->res->lines_per_frame;
ret = ov2680_write_reg(client, 2, OV2680_TIMING_VTS_H, vts);
if (ret)
--
2.33.1
