Documentation/userspace-api/media/dvb/fe-diseqc-send-master-cmd.rst

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.. document under the terms of the GNU Free Documentation License,
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.. Foundation, with no Invariant Sections, no Front-Cover Texts
.. and no Back-Cover Texts. A copy of the license is included at
.. Documentation/userspace-api/media/fdl-appendix.rst.
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.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections

.. _FE_DISEQC_SEND_MASTER_CMD:

*******************************
ioctl FE_DISEQC_SEND_MASTER_CMD
*******************************

Name
====

FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command


Synopsis
========

.. c:function:: int ioctl( int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp )
    :name: FE_DISEQC_SEND_MASTER_CMD


Arguments
=========

``fd``
    File descriptor returned by :ref:`open() <frontend_f_open>`.

``argp``
    pointer to struct
    :c:type:`dvb_diseqc_master_cmd`


Description
===========

Sends the DiSEqC command pointed by :c:type:`dvb_diseqc_master_cmd`
to the antenna subsystem.

Return Value
============

On success 0 is returned.

On error -1 is returned, and the ``errno`` variable is set
appropriately.

Generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.