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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2017-07-11 03:30:40 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-07-18 12:54:33 -0300 |
| commit | fdb8c88e9213f9d87bbfe56724e20cfd9ff8ef9d (patch) | |
| tree | dcfdcaff4d1f9244905d41643b3487ae39376ef3 /Documentation/media/uapi/cec/cec-ioc-dqevent.rst | |
| parent | 6b2bbb08747a56dcf4ee33606a06025eca571260 (diff) | |
media: cec: document the new CEC pin capability, events and mode
Document CEC_CAP_MONITOR_PIN, CEC_EVENT_PIN_LOW/HIGH,
CEC_EVENT_FL_DROPPED_EVENTS and CEC_MODE_MONITOR_PIN.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media/uapi/cec/cec-ioc-dqevent.rst')
| -rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-dqevent.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst index 4d3570c2e0b3..3e2cd5fefd38 100644 --- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst +++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst @@ -146,6 +146,20 @@ it is guaranteed that the state did change in between the two events. - 2 - Generated if one or more CEC messages were lost because the application didn't dequeue CEC messages fast enough. + * .. _`CEC-EVENT-PIN-LOW`: + + - ``CEC_EVENT_PIN_LOW`` + - 3 + - Generated if the CEC pin goes from a high voltage to a low voltage. + Only applies to adapters that have the ``CEC_CAP_MONITOR_PIN`` + capability set. + * .. _`CEC-EVENT-PIN-HIGH`: + + - ``CEC_EVENT_PIN_HIGH`` + - 4 + - 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. .. tabularcolumns:: |p{6.0cm}|p{0.6cm}|p{10.9cm}| @@ -165,6 +179,12 @@ it is guaranteed that the state did change in between the two events. opened. See the table above for which events do this. This allows applications to learn the initial state of the CEC adapter at open() time. + * .. _`CEC-EVENT-FL-DROPPED-EVENTS`: + + - ``CEC_EVENT_FL_DROPPED_EVENTS`` + - 2 + - Set if one or more events of the given event type have been dropped. + This is an indication that the application cannot keep up. |