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authorHans Verkuil <hans.verkuil@cisco.com>2017-08-30 18:05:55 +0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-09-23 13:49:27 +0200
commit00f7adff0c3a1d793ffa213c28d82c47dfd8ab04 (patch)
tree541bb5172578b40424960458a7192ffdb70b2906 /Documentation/media/uapi/cec
parentmedia: cec: add CEC_EVENT_PIN_HPD_LOW/HIGH events (diff)
downloadlinux-00f7adff0c3a1d793ffa213c28d82c47dfd8ab04.tar.xz
linux-00f7adff0c3a1d793ffa213c28d82c47dfd8ab04.zip
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>
Diffstat (limited to 'Documentation/media/uapi/cec')
-rw-r--r--Documentation/media/uapi/cec/cec-ioc-dqevent.rst18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
index 4fe96e2adf4c..b6fd86424fbb 100644
--- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst
@@ -161,6 +161,24 @@ 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
+ 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}|