.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later .. c:namespace:: RC .. _lirc_get_min_timeout: .. _lirc_get_max_timeout: **************************************************** ioctls LIRC_GET_MIN_TIMEOUT and LIRC_GET_MAX_TIMEOUT **************************************************** Name ==== LIRC_GET_MIN_TIMEOUT / LIRC_GET_MAX_TIMEOUT - Obtain the possible timeout range for IR receive. Synopsis ======== .. c:macro:: LIRC_GET_MIN_TIMEOUT ``int ioctl(int fd, LIRC_GET_MIN_TIMEOUT, __u32 *timeout)`` .. c:macro:: LIRC_GET_MAX_TIMEOUT ``int ioctl(int fd, LIRC_GET_MAX_TIMEOUT, __u32 *timeout)`` Arguments ========= ``fd`` File descriptor returned by open(). ``timeout`` Timeout, in microseconds. Description =========== Some devices have internal timers that can be used to detect when there's no IR activity for a long time. This can help lircd in detecting that a IR signal is finished and can speed up the decoding process. Returns an integer value with the minimum/maximum timeout that can be set. .. note:: Some devices have a fixed timeout, in that case both ioctls will return the same value even though the timeout cannot be changed via :ref:`LIRC_SET_REC_TIMEOUT`. 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.