1.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later 2.. c:namespace:: RC 3 4.. _lirc_set_measure_carrier_mode: 5 6*********************************** 7ioctl LIRC_SET_MEASURE_CARRIER_MODE 8*********************************** 9 10Name 11==== 12 13LIRC_SET_MEASURE_CARRIER_MODE - enable or disable measure mode 14 15Synopsis 16======== 17 18.. c:macro:: LIRC_SET_MEASURE_CARRIER_MODE 19 20``int ioctl(int fd, LIRC_SET_MEASURE_CARRIER_MODE, __u32 *enable)`` 21 22Arguments 23========= 24 25``fd`` 26 File descriptor returned by open(). 27 28``enable`` 29 enable = 1 means enable measure mode, enable = 0 means disable measure 30 mode. 31 32Description 33=========== 34 35.. _lirc-mode2-frequency: 36 37Enable or disable measure mode. If enabled, from the next key 38press on, the driver will send ``LIRC_MODE2_FREQUENCY`` packets. By 39default this should be turned off. 40 41Return Value 42============ 43 44On success 0 is returned, on error -1 and the ``errno`` variable is set 45appropriately. The generic error codes are described at the 46:ref:`Generic Error Codes <gen-errors>` chapter. 47