media: cec-ioc-dqevent.rst: document new CEC_EVENT_PIN_HPD_LOW/HIGH events
Document these new CEC events.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
index 4fe96e2..b6fd864 100644
--- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
@@ -161,6 +161,24 @@
- 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
+ if 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
+ if the HPD is high, then an initial event will be generated for that
+ filehandle.
.. tabularcolumns:: |p{6.0cm}|p{0.6cm}|p{10.9cm}|