1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.
2 .. c:namespace:: RC
3
4 .. _lirc_set_send_duty_cycle:
5
6 ******************************
7 ioctl LIRC_SET_SEND_DUTY_CYCLE
8 ******************************
9
10 Name
11 ====
12
13 LIRC_SET_SEND_DUTY_CYCLE - Set the duty cycle
14 IR transmit.
15
16 Synopsis
17 ========
18
19 .. c:macro:: LIRC_SET_SEND_DUTY_CYCLE
20
21 ``int ioctl(int fd, LIRC_SET_SEND_DUTY_CYCLE,
22
23 Arguments
24 =========
25
26 ``fd``
27 File descriptor returned by open().
28
29 ``duty_cycle``
30 Duty cicle, describing the pulse width in
31 the total cycle. Values 0 and 100 are rese
32
33 Description
34 ===========
35
36 Get/set the duty cycle of the carrier signal f
37
38 Currently, no special meaning is defined for 0
39 could be used to switch off carrier generation
40 these values should be reserved.
41
42 Return Value
43 ============
44
45 On success 0 is returned, on error -1 and the
46 appropriately. The generic error codes are des
47 :ref:`Generic Error Codes <gen-errors>` chapte
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.