1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1. 1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: RC 2 .. c:namespace:: RC
3 3
4 .. _lirc_set_send_carrier: 4 .. _lirc_set_send_carrier:
5 5
6 *************************** 6 ***************************
7 ioctl LIRC_SET_SEND_CARRIER 7 ioctl LIRC_SET_SEND_CARRIER
8 *************************** 8 ***************************
9 9
10 Name 10 Name
11 ==== 11 ====
12 12
13 LIRC_SET_SEND_CARRIER - Set send carrier used 13 LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX.
14 14
15 Synopsis 15 Synopsis
16 ======== 16 ========
17 17
18 .. c:macro:: LIRC_SET_SEND_CARRIER 18 .. c:macro:: LIRC_SET_SEND_CARRIER
19 19
20 ``int ioctl(int fd, LIRC_SET_SEND_CARRIER, __u 20 ``int ioctl(int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency)``
21 21
22 Arguments 22 Arguments
23 ========= 23 =========
24 24
25 ``fd`` 25 ``fd``
26 File descriptor returned by open(). 26 File descriptor returned by open().
27 27
28 ``frequency`` 28 ``frequency``
29 Frequency of the carrier to be modulated, 29 Frequency of the carrier to be modulated, in Hz.
30 30
31 Description 31 Description
32 =========== 32 ===========
33 33
34 Set send carrier used to modulate IR PWM pulse 34 Set send carrier used to modulate IR PWM pulses and spaces.
35 35
36 Return Value 36 Return Value
37 ============ 37 ============
38 38
39 On success 0 is returned, on error -1 and the 39 On success 0 is returned, on error -1 and the ``errno`` variable is set
40 appropriately. The generic error codes are des 40 appropriately. The generic error codes are described at the
41 :ref:`Generic Error Codes <gen-errors>` chapte 41 :ref:`Generic Error Codes <gen-errors>` chapter.
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