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[media] v4l2: pass std by value to the write-only s_std ioctl

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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>
This commit is contained in:
Hans Verkuil
2013-03-15 06:10:40 -03:00
committed by Mauro Carvalho Chehab
parent 2f73c7c582
commit 314527acbb
56 changed files with 165 additions and 165 deletions
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drivers/media/parport/pms.c
+2 -2
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@@ -735,12 +735,12 @@ static int pms_g_std(struct file *file, void *fh, v4l2_std_id *std)
return 0;
}
static int pms_s_std(struct file *file, void *fh, v4l2_std_id *std)
static int pms_s_std(struct file *file, void *fh, v4l2_std_id std)
{
struct pms *dev = video_drvdata(file);
int ret = 0;
dev->std = *std;
dev->std = std;
if (dev->std & V4L2_STD_NTSC) {
pms_framerate(dev, 30);
pms_secamcross(dev, 0);