diff mbox series

[03/13] media: atomisp-ov2680: Don't take the input_lock for try_fmt calls.

Message ID 20220821215027.461344-3-hdegoede@redhat.com (mailing list archive)
State New, archived
Headers show
Series [01/13] media: atomisp_gmin_platform: Switch to use acpi_evaluate_dsm_typed() | expand

Commit Message

Hans de Goede Aug. 21, 2022, 9:50 p.m. UTC 
On ov2680_set_fmt() calls with format->which == V4L2_SUBDEV_FORMAT_TRY,
ov2680_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-ov2680.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
index ab52e35266bb..9ac469878eea 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c
@@ -841,8 +841,6 @@  static int ov2680_set_fmt(struct v4l2_subdev *sd,
 	if (!ov2680_info)
 		return -EINVAL;
 
-	mutex_lock(&dev->input_lock);
-
 	res = v4l2_find_nearest_size(ov2680_res_preview,
 				     ARRAY_SIZE(ov2680_res_preview), width,
 				     height, fmt->width, fmt->height);
@@ -855,13 +853,14 @@  static int ov2680_set_fmt(struct v4l2_subdev *sd,
 	fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10;
 	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
 		sd_state->pads->try_fmt = *fmt;
-		mutex_unlock(&dev->input_lock);
 		return 0;
 	}
 
 	dev_dbg(&client->dev, "%s: %dx%d\n",
 		__func__, fmt->width, fmt->height);
 
+	mutex_lock(&dev->input_lock);
+
 	/* s_power has not been called yet for std v4l2 clients (camorama) */
 	power_up(sd);
 	ret = ov2680_write_reg_array(client, dev->res->regs);