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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-15 06:10:40 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-24 06:47:00 -0300
commit314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch)
tree871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/media/pci/cx25821
parent2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff)
downloadlinux-linaro-stable-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.gz
[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>
Diffstat (limited to 'drivers/media/pci/cx25821')
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.c6
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.h2
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index 75281c1530d8..93c7d576199b 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -1203,7 +1203,7 @@ int cx25821_vidioc_s_priority(struct file *file, void *f,
}
#ifdef TUNER_FLAG
-int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
+int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
@@ -1218,11 +1218,11 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
return err;
}
- if (dev->tvnorm == *tvnorms)
+ if (dev->tvnorm == tvnorms)
return 0;
mutex_lock(&dev->lock);
- cx25821_set_tvnorm(dev, *tvnorms);
+ cx25821_set_tvnorm(dev, tvnorms);
mutex_unlock(&dev->lock);
medusa_set_videostandard(dev);
diff --git a/drivers/media/pci/cx25821/cx25821-video.h b/drivers/media/pci/cx25821/cx25821-video.h
index f0e70ffbedd4..239f63c12f33 100644
--- a/drivers/media/pci/cx25821/cx25821-video.h
+++ b/drivers/media/pci/cx25821/cx25821-video.h
@@ -135,7 +135,7 @@ extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
extern int cx25821_vidioc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *p);
extern int cx25821_vidioc_s_std(struct file *file, void *priv,
- v4l2_std_id *tvnorms);
+ v4l2_std_id tvnorms);
extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i);