[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/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c
index 49c842a..f548db8 100644
--- a/drivers/media/usb/cx231xx/cx231xx-417.c
+++ b/drivers/media/usb/cx231xx/cx231xx-417.c
@@ -1492,14 +1492,14 @@
return 0;
}
-static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++)
- if (*id & cx231xx_tvnorms[i].id)
+ if (id & cx231xx_tvnorms[i].id)
break;
if (i == ARRAY_SIZE(cx231xx_tvnorms))
return -EINVAL;
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index 53020a7..4cff2f4 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -987,7 +987,7 @@
return 0;
}
-static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
@@ -998,13 +998,13 @@
if (rc < 0)
return rc;
- if (dev->norm == *norm)
+ if (dev->norm == norm)
return 0;
if (videobuf_queue_is_busy(&fh->vb_vidq))
return -EBUSY;
- dev->norm = *norm;
+ dev->norm = norm;
/* Adjusts width/height, if needed */
dev->width = 720;