1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt
index 77d96f4e3f50..f2df31b088c6 100644
--- a/Documentation/video4linux/v4l2-framework.txt
+++ b/Documentation/video4linux/v4l2-framework.txt
@@ -405,6 +405,11 @@ VIDIOC_UNSUBSCRIBE_EVENT
         To properly support events, the poll() file operation is also
         implemented.
 
+Private ioctls
+
+        All ioctls not in the above list are passed directly to the sub-device
+        driver through the core::ioctl operation.
+
 
 I2C sub-device drivers
 ----------------------