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-rw-r--r--Documentation/video4linux/v4l2-framework.txt5
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
----------------------