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| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-09-01 01:15:05 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-09-09 15:54:21 +0300 |
| commit | 2606eee43cbceb1356ddb11a5f3cc9a89a0cec66 (patch) | |
| tree | 8e5256c32ce2c09078fcc8f508fb364d2fd370f3 /Documentation/media/uapi/cec/cec-ioc-receive.rst | |
| parent | 180965cb0826bfc90d420c627f1ff84e215fa9f1 (diff) | |
| download | linux-2606eee43cbceb1356ddb11a5f3cc9a89a0cec66.tar.xz | |
[media] docs-rst: fix cec bad cross-references
Fix some CEC cross references that are broken.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media/uapi/cec/cec-ioc-receive.rst')
| -rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-receive.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/media/uapi/cec/cec-ioc-receive.rst b/Documentation/media/uapi/cec/cec-ioc-receive.rst index f015f1259b27..18620f81b7d9 100644 --- a/Documentation/media/uapi/cec/cec-ioc-receive.rst +++ b/Documentation/media/uapi/cec/cec-ioc-receive.rst @@ -40,7 +40,8 @@ Description and is currently only available as a staging kernel module. To receive a CEC message the application has to fill in the -``timeout`` field of :c:type:`struct cec_msg` and pass it to :ref:`ioctl CEC_RECEIVE <CEC_RECEIVE>`. +``timeout`` field of struct :c:type:`cec_msg` and pass it to +:ref:`ioctl CEC_RECEIVE <CEC_RECEIVE>`. If the file descriptor is in non-blocking mode and there are no received messages pending, then it will return -1 and set errno to the ``EAGAIN`` error code. If the file descriptor is in blocking mode and ``timeout`` @@ -54,9 +55,9 @@ A received message can be: 2. the result of an earlier non-blocking transmit (the ``sequence`` field will be non-zero). -To send a CEC message the application has to fill in the -:c:type:`struct cec_msg` and pass it to -:ref:`ioctl CEC_TRANSMIT <CEC_TRANSMIT>`. The :ref:`ioctl CEC_TRANSMIT <CEC_TRANSMIT>` is only available if +To send a CEC message the application has to fill in the struct +:c:type:` cec_msg` and pass it to :ref:`ioctl CEC_TRANSMIT <CEC_TRANSMIT>`. +The :ref:`ioctl CEC_TRANSMIT <CEC_TRANSMIT>` is only available if ``CEC_CAP_TRANSMIT`` is set. If there is no more room in the transmit queue, then it will return -1 and set errno to the ``EBUSY`` error code. The transmit queue has enough room for 18 messages (about 1 second worth |