diff options
Diffstat (limited to 'Documentation/media/uapi')
| -rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst | 10 | ||||
| -rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-receive.rst | 9 |
2 files changed, 10 insertions, 9 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 bd0756ff022e..6c314c2db73e 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 @@ -30,7 +30,7 @@ Arguments File descriptor returned by :c:func:`open() <cec-open>`. ``argp`` - Pointer to struct cec_log_addrs + Pointer to struct :c:type:`cec_log_addrs`. Description =========== @@ -42,10 +42,10 @@ Description To query the current CEC logical addresses, applications call :ref:`ioctl CEC_ADAP_G_LOG_ADDRS <CEC_ADAP_G_LOG_ADDRS>` with a pointer to a -:c:type:`struct cec_log_addrs` where the driver stores the logical addresses. +struct :c:type:`cec_log_addrs` where the driver stores the logical addresses. To set new logical addresses, applications fill in -:c:type:`struct cec_log_addrs` and call :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>` +struct :c:type:`cec_log_addrs` and call :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>` with a pointer to this struct. The :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>` is only available if ``CEC_CAP_LOG_ADDRS`` is set (the ``ENOTTY`` error code is returned otherwise). The :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>` @@ -66,10 +66,10 @@ logical addresses are claimed or cleared. Attempting to call :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_ADDRS>` when logical address types are already defined will return with error ``EBUSY``. -.. tabularcolumns:: |p{1.0cm}|p{7.5cm}|p{8.0cm}| - .. c:type:: cec_log_addrs +.. tabularcolumns:: |p{1.0cm}|p{7.5cm}|p{8.0cm}| + .. cssclass:: longtable .. flat-table:: struct cec_log_addrs 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 |