0001 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: RC
0003
0004 .. _lirc_set_measure_carrier_mode:
0005
0006 ***********************************
0007 ioctl LIRC_SET_MEASURE_CARRIER_MODE
0008 ***********************************
0009
0010 Name
0011 ====
0012
0013 LIRC_SET_MEASURE_CARRIER_MODE - enable or disable measure mode
0014
0015 Synopsis
0016 ========
0017
0018 .. c:macro:: LIRC_SET_MEASURE_CARRIER_MODE
0019
0020 ``int ioctl(int fd, LIRC_SET_MEASURE_CARRIER_MODE, __u32 *enable)``
0021
0022 Arguments
0023 =========
0024
0025 ``fd``
0026 File descriptor returned by open().
0027
0028 ``enable``
0029 enable = 1 means enable measure mode, enable = 0 means disable measure
0030 mode.
0031
0032 Description
0033 ===========
0034
0035 .. _lirc-mode2-frequency:
0036
0037 Enable or disable measure mode. If enabled, from the next key
0038 press on, the driver will send ``LIRC_MODE2_FREQUENCY`` packets. By
0039 default this should be turned off.
0040
0041 Return Value
0042 ============
0043
0044 On success 0 is returned, on error -1 and the ``errno`` variable is set
0045 appropriately. The generic error codes are described at the
0046 :ref:`Generic Error Codes <gen-errors>` chapter.
