[media] v4l2: make vidioc_s_audio const
Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_audio.
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>
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 3eef4de..babbe09 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -167,7 +167,7 @@
int (*vidioc_g_audio) (struct file *file, void *fh,
struct v4l2_audio *a);
int (*vidioc_s_audio) (struct file *file, void *fh,
- struct v4l2_audio *a);
+ const struct v4l2_audio *a);
/* Audio out ioctls */
int (*vidioc_enumaudout) (struct file *file, void *fh,