47 lines · plain
1.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later2.. c:namespace:: RC3 4.. _lirc_set_measure_carrier_mode:5 6***********************************7ioctl LIRC_SET_MEASURE_CARRIER_MODE8***********************************9 10Name11====12 13LIRC_SET_MEASURE_CARRIER_MODE - enable or disable measure mode14 15Synopsis16========17 18.. c:macro:: LIRC_SET_MEASURE_CARRIER_MODE19 20``int ioctl(int fd, LIRC_SET_MEASURE_CARRIER_MODE, __u32 *enable)``21 22Arguments23=========24 25``fd``26 File descriptor returned by open().27 28``enable``29 enable = 1 means enable measure mode, enable = 0 means disable measure30 mode.31 32Description33===========34 35.. _lirc-mode2-frequency:36 37Enable or disable measure mode. If enabled, from the next key38press on, the driver will send ``LIRC_MODE2_FREQUENCY`` packets. By39default this should be turned off.40 41Return Value42============43 44On success 0 is returned, on error -1 and the ``errno`` variable is set45appropriately. The generic error codes are described at the46:ref:`Generic Error Codes <gen-errors>` chapter.47