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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2017-08-30 12:05:55 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-09-23 07:49:27 -0400 |
| commit | 00f7adff0c3a1d793ffa213c28d82c47dfd8ab04 (patch) | |
| tree | 541bb5172578b40424960458a7192ffdb70b2906 /Documentation/media/uapi/cec/cec-ioc-dqevent.rst | |
| parent | 333ef6bd10c3ffdaf6da94e34dc6cae675ed27fc (diff) | |
| download | linux-00f7adff0c3a1d793ffa213c28d82c47dfd8ab04.tar.bz2 | |
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/cec-ioc-dqevent.rst')
| -rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-dqevent.rst | 18 |
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}| |