1.. Permission is granted to copy, distribute and/or modify this 2.. document under the terms of the GNU Free Documentation License, 3.. Version 1.1 or any later version published by the Free Software 4.. Foundation, with no Invariant Sections, no Front-Cover Texts 5.. and no Back-Cover Texts. A copy of the license is included at 6.. Documentation/userspace-api/media/fdl-appendix.rst. 7.. 8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 9 10.. _lirc_set_send_carrier: 11 12*************************** 13ioctl LIRC_SET_SEND_CARRIER 14*************************** 15 16Name 17==== 18 19LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX. 20 21 22Synopsis 23======== 24 25.. c:function:: int ioctl( int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency ) 26 :name: LIRC_SET_SEND_CARRIER 27 28Arguments 29========= 30 31``fd`` 32 File descriptor returned by open(). 33 34``frequency`` 35 Frequency of the carrier to be modulated, in Hz. 36 37Description 38=========== 39 40Set send carrier used to modulate IR PWM pulses and spaces. 41 42 43Return Value 44============ 45 46On success 0 is returned, on error -1 and the ``errno`` variable is set 47appropriately. The generic error codes are described at the 48:ref:`Generic Error Codes <gen-errors>` chapter. 49