1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _lirc_set_send_carrier:
4
5***************************
6ioctl LIRC_SET_SEND_CARRIER
7***************************
8
9Name
10====
11
12LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX.
13
14
15Synopsis
16========
17
18.. c:function:: int ioctl( int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency )
19    :name: LIRC_SET_SEND_CARRIER
20
21Arguments
22=========
23
24``fd``
25    File descriptor returned by open().
26
27``frequency``
28    Frequency of the carrier to be modulated, in Hz.
29
30Description
31===========
32
33Set send carrier used to modulate IR PWM pulses and spaces.
34
35
36Return Value
37============
38
39On success 0 is returned, on error -1 and the ``errno`` variable is set
40appropriately. The generic error codes are described at the
41:ref:`Generic Error Codes <gen-errors>` chapter.
42