[PATCHv4 2/5] cec-ioc-dqevent.rst: document new CEC_EVENT_PIN_HPD_LOW/HIGH events

[Hans Verkuil]

From: Hans Verkuil <hans.verkuil at cisco.com>

Document these new CEC events.

Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com>
---
 Documentation/media/uapi/cec/cec-ioc-dqevent.rst | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
index db615e3405c0..32b47763f5a6 100644
--- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
@@ -160,6 +160,24 @@ it is guaranteed that the state did change in between the two events.
       - Generated if the CEC pin goes from a low voltage to a high voltage.
         Only applies to adapters that have the ``CEC_CAP_MONITOR_PIN``
 	capability set.
+    * .. _`CEC-EVENT-PIN-HPD-LOW`:
+
+      - ``CEC_EVENT_PIN_HPD_LOW``
+      - 5
+      - Generated if the HPD pin goes from a high voltage to a low voltage.
+        Only applies to adapters that have the ``CEC_CAP_MONITOR_PIN``
+	capability set. When open() is called, the HPD pin can be read and
+	the HPD is low, then an initial event will be generated for that
+	filehandle.
+    * .. _`CEC-EVENT-PIN-HPD-HIGH`:
+
+      - ``CEC_EVENT_PIN_HPD_HIGH``
+      - 6
+      - Generated if the HPD pin goes from a low voltage to a high voltage.
+        Only applies to adapters that have the ``CEC_CAP_MONITOR_PIN``
+	capability set. When open() is called, the HPD pin can be read and
+	the HPD is high, then an initial event will be generated for that
+	filehandle.
 
 
 .. tabularcolumns:: |p{6.0cm}|p{0.6cm}|p{10.9cm}|
-- 
2.14.1