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author | Hans Verkuil <hverkuil@xs4all.nl> | 2017-02-20 17:21:19 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-03-22 11:12:34 -0300 |
commit | 491314b8d41bb680f6ddb2632c1a36dd3959d5b3 (patch) | |
tree | 3a58b7cada36c682b8bfa155d841adfffc75d404 /Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst | |
parent | 059d1460cacb7e1ee499a02d92ac2b0b84d310fc (diff) |
[media] cec: document the error codes
Document all the various error codes returned by the CEC ioctls.
These were never documented, instead the documentation relied on a reference
to the generic error codes, but that's not sufficient.
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-adap-g-log-addrs.rst')
-rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst index 09f09bbe28d4..fcf863ab6f43 100644 --- a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst +++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst @@ -351,3 +351,16 @@ On success 0 is returned, on error -1 and the ``errno`` variable is set appropriately. The generic error codes are described at the :ref:`Generic Error Codes <gen-errors>` chapter. +The :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>` can return the following +error codes: + +ENOTTY + The ``CEC_CAP_LOG_ADDRS`` capability wasn't set, so this ioctl is not supported. + +EBUSY + The CEC adapter is currently configuring itself, or it is already configured and + ``num_log_addrs`` is non-zero, or another filehandle is in exclusive follower or + initiator mode, or the filehandle is in mode ``CEC_MODE_NO_INITIATOR``. + +EINVAL + The contents of struct :c:type:`cec_log_addrs` is invalid. |