diff options
Diffstat (limited to 'include/media/bt819.h')
| -rw-r--r-- | include/media/bt819.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/media/bt819.h b/include/media/bt819.h index 38f666b..8025f4b 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) |