[PATCH 53/57] media: atomisp: ov2722: Don't take the input_lock for try_fmt calls.

Hans de Goede
2023-01-23T12:55:40Z

On ov2722_set_fmt() calls with format->which == V4L2_SUBDEV_FORMAT_TRY,
ov2722_set_fmt() does not talk to the sensor, so there is no need to
lock the dev->input_lock mutex in this case.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/staging/media/atomisp/i2c/atomisp-ov2722.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
index 83d036b5d772..e09c80d1f9ec 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
@@ -651,7 +651,6 @@ static int ov2722_set_fmt(struct v4l2_subdev *sd,
if (!ov2722_info)
return -EINVAL;

- mutex_lock(&dev->input_lock);
res = v4l2_find_nearest_size(ov2722_res_preview,
ARRAY_SIZE(ov2722_res_preview), width,
height, fmt->width, fmt->height);
@@ -665,10 +664,10 @@ static int ov2722_set_fmt(struct v4l2_subdev *sd,
fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
sd_state->pads->try_fmt = *fmt;
- mutex_unlock(&dev->input_lock);
return 0;
}

+ mutex_lock(&dev->input_lock);

dev->pixels_per_line = dev->res->pixels_per_line;
dev->lines_per_frame = dev->res->lines_per_frame;
--
2.39.0