| .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later |
| .. c:namespace:: RC |
| |
| .. _lirc_set_send_carrier: |
| |
| *************************** |
| ioctl LIRC_SET_SEND_CARRIER |
| *************************** |
| |
| Name |
| ==== |
| |
| LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX. |
| |
| Synopsis |
| ======== |
| |
| .. c:macro:: LIRC_SET_SEND_CARRIER |
| |
| ``int ioctl(int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency)`` |
| |
| Arguments |
| ========= |
| |
| ``fd`` |
| File descriptor returned by open(). |
| |
| ``frequency`` |
| Frequency of the carrier to be modulated, in Hz. |
| |
| Description |
| =========== |
| |
| Set send carrier used to modulate IR PWM pulses and spaces. |
| |
| Return Value |
| ============ |
| |
| On success 0 is returned, on error -1 and the ``errno`` variable is set |
| appropriately. The generic error codes are described at the |
| :ref:`Generic Error Codes <gen-errors>` chapter. |
