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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/usb/usbvision
parent2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff)
downloadblackbird-op-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.gz
blackbird-op-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.zip
[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/usb/usbvision')
-rw-r--r--drivers/media/usb/usbvision/usbvision-video.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index 874cfec0b8db..041f19e1b05b 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -595,11 +595,11 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int input)
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 usb_usbvision *usbvision = video_drvdata(file);
- usbvision->tvnorm_id = *id;
+ usbvision->tvnorm_id = id;
call_all(usbvision, core, s_std, usbvision->tvnorm_id);
/* propagate the change to the decoder */
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