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