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ioctl LIRC_SET_MEASURE_CARRIER_MODE

Documentation/userspace-api/media/rc/lirc-set-measure-carrier-mode.rst

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.. 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 <gen-errors> chapter.