.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later .. c:namespace:: RC

.. _lirc_set_send_carrier:

---

ioctl LIRC_SET_SEND_CARRIER

---

Name

LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX.

Synopsis

.. c:macro:: LIRC_SET_SEND_CARRIER

int ioctl(int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency)

Arguments

fd File descriptor returned by open().

frequency Frequency of the carrier to be modulated, in Hz.

Description

Set send carrier used to modulate IR PWM pulses and spaces.

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.