[media] v4l2: make vidioc_s_crop const

Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_crop.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/pci/cx25821/cx25821-video.h b/drivers/media/pci/cx25821/cx25821-video.h
index 9652a5e35ba2..c265e35b37c3 100644
--- a/drivers/media/pci/cx25821/cx25821-video.h
+++ b/drivers/media/pci/cx25821/cx25821-video.h
@@ -177,7 +177,7 @@ extern int cx25821_set_control(struct cx25821_dev *dev,
 extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
                                   struct v4l2_cropcap *cropcap);
 extern int cx25821_vidioc_s_crop(struct file *file, void *priv,
-                                 struct v4l2_crop *crop);
+                                 const struct v4l2_crop *crop);
 extern int cx25821_vidioc_g_crop(struct file *file, void *priv,
                                  struct v4l2_crop *crop);