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| author |   Hans Verkuil <hverkuil@xs4all.nl> | 2016-07-19 06:26:13 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-19 13:33:29 -0300 |
| commit | e5208ed280685947b3892888df09285676aab100 (patch) | |
| tree | 8518bdbaeb22f169a1fe4afd44107149d9784e4f /Documentation/media/uapi/cec/cec-func-open.rst | |
| parent | [media] doc-rst: backward compatibility with older Sphinx versions (diff) | |
| download | linux-dev-e5208ed280685947b3892888df09285676aab100.tar.xz linux-dev-e5208ed280685947b3892888df09285676aab100.zip | |
[media] doc-rst: cec: update documentation
Update and expand the CEC documentation. Especially w.r.t. non-blocking
mode.
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-func-open.rst')
| -rw-r--r-- | Documentation/media/uapi/cec/cec-func-open.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/media/uapi/cec/cec-func-open.rst b/Documentation/media/uapi/cec/cec-func-open.rst index cbf1176561d2..38fd7e0cfccd 100644 --- a/Documentation/media/uapi/cec/cec-func-open.rst +++ b/Documentation/media/uapi/cec/cec-func-open.rst @@ -32,12 +32,12 @@ Arguments Open flags. Access mode must be ``O_RDWR``. When the ``O_NONBLOCK`` flag is given, the - :ref:`CEC_RECEIVE <CEC_RECEIVE>` ioctl will return the EAGAIN - error code when no message is available, and ioctls - :ref:`CEC_TRANSMIT <CEC_TRANSMIT>`, + :ref:`CEC_RECEIVE <CEC_RECEIVE>` and :ref:`CEC_DQEVENT <CEC_DQEVENT>` ioctls + will return the ``EAGAIN`` error code when no message or event is available, and + ioctls :ref:`CEC_TRANSMIT <CEC_TRANSMIT>`, :ref:`CEC_ADAP_S_PHYS_ADDR <CEC_ADAP_S_PHYS_ADDR>` and :ref:`CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>` - all act in non-blocking mode. + all return 0. Other flags have no effect. |