Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[karo-tx-linux.git] / Documentation / video4linux / v4l2-framework.txt

diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt
index 59e619f9bbf54558f69a97405100d036b09d20d6..75d5c18d689aaaaa14b7e365c9650d0502c95799 100644 (file)
--- a/Documentation/video4linux/v4l2-framework.txt
+++ b/Documentation/video4linux/v4l2-framework.txt
@@ -1129,6 +1129,10 @@ available event type is 'class base + 1'.
 An example on how the V4L2 events may be used can be found in the OMAP
 3 ISP driver (drivers/media/platform/omap3isp).
 
+A subdev can directly send an event to the v4l2_device notify function with
+V4L2_DEVICE_NOTIFY_EVENT. This allows the bridge to map the subdev that sends
+the event to the video node(s) associated with the subdev that need to be
+informed about such an event.
 
 V4L2 clocks
 -----------