linux/Documentation/userspace-api/media/dvb/fe-diseqc-recv-slave-reply.rst

.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe

.. _FE_DISEQC_RECV_SLAVE_REPLY:

********************************
ioctl FE_DISEQC_RECV_SLAVE_REPLY
********************************

Name
====

FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command

Synopsis
========

.. c:macro:: FE_DISEQC_RECV_SLAVE_REPLY

``int ioctl(int fd, FE_DISEQC_RECV_SLAVE_REPLY, struct dvb_diseqc_slave_reply *argp)``

Arguments
=========

``fd``
    File descriptor returned by :c:func:`open()`.

``argp``
    pointer to struct :c:type:`dvb_diseqc_slave_reply`.

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

Receives reply from a DiSEqC 2.0 command.

The received message is stored at the buffer pointed by ``argp``.

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.