[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/vino.c b/drivers/media/platform/vino.c
index eb5d6f9..c6af974 100644
--- a/drivers/media/platform/vino.c
+++ b/drivers/media/platform/vino.c
@@ -3042,7 +3042,7 @@
}
static int vino_s_std(struct file *file, void *__fh,
- v4l2_std_id *std)
+ v4l2_std_id std)
{
struct vino_channel_settings *vcs = video_drvdata(file);
unsigned long flags;
@@ -3056,7 +3056,7 @@
}
/* check if the standard is valid for the current input */
- if ((*std) & vino_inputs[vcs->input].std) {
+ if (std & vino_inputs[vcs->input].std) {
dprintk("standard accepted\n");
/* change the video norm for SAA7191
@@ -3065,13 +3065,13 @@
if (vcs->input == VINO_INPUT_D1)
goto out;
- if ((*std) & V4L2_STD_PAL) {
+ if (std & V4L2_STD_PAL) {
ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL,
&flags);
- } else if ((*std) & V4L2_STD_NTSC) {
+ } else if (std & V4L2_STD_NTSC) {
ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC,
&flags);
- } else if ((*std) & V4L2_STD_SECAM) {
+ } else if (std & V4L2_STD_SECAM) {
ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM,
&flags);
} else {