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Code Issues Releases Wiki Activity

media: atomisp: ov2722: Don't take the input_lock for try_fmt calls.

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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.

Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Hans de Goede 2022-12-03 20:44:00 +01:00 committed by Mauro Carvalho Chehab
parent aec221279a
commit 4272fd7ae6
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
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@ -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;