tegrakernel/kernel/kernel-4.9/Documentation/media/uapi/dvb/ca-send-msg.rst

44 lines
678 B
ReStructuredText

.. -*- coding: utf-8; mode: rst -*-
.. _CA_SEND_MSG:
===========
CA_SEND_MSG
===========
Name
----
CA_SEND_MSG
Synopsis
--------
.. c:function:: int ioctl(fd, CA_SEND_MSG, struct ca_msg *msg)
:name: CA_SEND_MSG
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
``msg``
Pointer to struct :c:type:`ca_msg`.
Description
-----------
.. note:: This ioctl is undocumented. Documentation is welcome.
Return Value
------------
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.