[media] bt819: the ioctls in the header are internal to the kernel

Remove bt819.h from ioctl-number.txt and make a note in the header
that these ioctls are for internal use only.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 4 insertions, 2 deletions

diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
index 7edf95014e85..d6a63c7b4478 100644
--- a/Documentation/ioctl/ioctl-number.txt
+++ b/Documentation/ioctl/ioctl-number.txt
@@ -193,7 +193,6 @@ Code  Seq#(hex)	Include File		Comments
                                         <http://lrcwww.epfl.ch/>
 'b'     00-FF                           conflict! bit3 vme host bridge
                                         <mailto:natalia@nikhefk.nikhef.nl>
-'b'     00-0F   media/bt819.h           conflict!
 'c'     all     linux/cm4000_cs.h       conflict!
 'c'     00-7F   linux/comstats.h        conflict!
 'c'     00-7F   linux/coda.h            conflict!
diff --git a/include/media/bt819.h b/include/media/bt819.h
index 38f666bde77a..8025f4bc2bb6 100644
--- a/include/media/bt819.h
+++ b/include/media/bt819.h
@@ -26,7 +26,10 @@
 /* v4l2_device notifications. */
 
 /* Needed to reset the FIFO buffer when changing the input
-   or the video standard. */
+   or the video standard.
+
+   Note: these ioctls that internal to the kernel and are never called
+   from userspace. */
 #define BT819_FIFO_RESET_LOW    _IO('b', 0)
 #define BT819_FIFO_RESET_HIGH   _IO('b', 1)