[media] v4l2: pass std by value to the write-only s_std ioctl
This ioctl is defined as IOW, so pass the argument by value instead of by
reference. I could have chosen to add const instead, but this is 1) easier
to handle in drivers and 2) consistent with the s_std subdev operation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index d869c8e..00b7f9c 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -1395,7 +1395,7 @@
* @priv: file handle
* @std_id: ptr to std id
*/
-static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
+static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id)
{
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
@@ -1424,7 +1424,7 @@
fh->initialized = 1;
/* Call encoder subdevice function to set the standard */
- ch->video.stdid = *std_id;
+ ch->video.stdid = std_id;
memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings));
/* Get the information about the standard */
@@ -1437,7 +1437,7 @@
vpif_config_format(ch);
/* set standard in the sub device */
- ret = v4l2_subdev_call(ch->sd, core, s_std, *std_id);
+ ret = v4l2_subdev_call(ch->sd, core, s_std, std_id);
if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) {
vpif_dbg(1, debug, "Failed to set standard for sub devices\n");
return ret;