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authorHans Verkuil <hverkuil@xs4all.nl>2016-07-19 12:26:13 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-19 19:33:29 +0300
commite5208ed280685947b3892888df09285676aab100 (patch)
tree8518bdbaeb22f169a1fe4afd44107149d9784e4f /Documentation/media/uapi/cec/cec-func-open.rst
parentef88f10eb877c427a61c3aacc7ed08ffed0712ab (diff)
downloadlinux-e5208ed280685947b3892888df09285676aab100.tar.xz
[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.rst8
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.