.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later .. c:namespace:: RC .. _lirc_set_measure_carrier_mode: *********************************** ioctl LIRC_SET_MEASURE_CARRIER_MODE *********************************** Name ==== LIRC_SET_MEASURE_CARRIER_MODE - enable or disable measure mode Synopsis ======== .. c:macro:: LIRC_SET_MEASURE_CARRIER_MODE ``int ioctl(int fd, LIRC_SET_MEASURE_CARRIER_MODE, __u32 *enable)`` Arguments ========= ``fd`` File descriptor returned by open(). ``enable`` enable = 1 means enable measure mode, enable = 0 means disable measure mode. Description =========== .. _lirc-mode2-frequency: Enable or disable measure mode. If enabled, from the next key press on, the driver will send ``LIRC_MODE2_FREQUENCY`` packets. By default this should be turned off. 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 ` chapter.