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ioctl FE_DISEQC_SEND_MASTER_CMD

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

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

.. _FE_DISEQC_SEND_MASTER_CMD:


ioctl FE_DISEQC_SEND_MASTER_CMD


Name

FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command

Synopsis

.. c:macro:: FE_DISEQC_SEND_MASTER_CMD

int ioctl(int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp)

Arguments

fd File descriptor returned by :c:func: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.