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1.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later2.. c:namespace:: RC3 4.. _lirc_get_min_timeout:5.. _lirc_get_max_timeout:6 7****************************************************8ioctls LIRC_GET_MIN_TIMEOUT and LIRC_GET_MAX_TIMEOUT9****************************************************10 11Name12====13 14LIRC_GET_MIN_TIMEOUT / LIRC_GET_MAX_TIMEOUT - Obtain the possible timeout15range for IR receive.16 17Synopsis18========19 20.. c:macro:: LIRC_GET_MIN_TIMEOUT21 22``int ioctl(int fd, LIRC_GET_MIN_TIMEOUT, __u32 *timeout)``23 24.. c:macro:: LIRC_GET_MAX_TIMEOUT25 26``int ioctl(int fd, LIRC_GET_MAX_TIMEOUT, __u32 *timeout)``27 28Arguments29=========30 31``fd``32 File descriptor returned by open().33 34``timeout``35 Timeout, in microseconds.36 37Description38===========39 40Some devices have internal timers that can be used to detect when41there's no IR activity for a long time. This can help lircd in42detecting that a IR signal is finished and can speed up the decoding43process. Returns an integer value with the minimum/maximum timeout44that can be set.45 46.. note::47 48 Some devices have a fixed timeout, in that case49 both ioctls will return the same value even though the timeout50 cannot be changed via :ref:`LIRC_SET_REC_TIMEOUT`.51 52Return Value53============54 55On success 0 is returned, on error -1 and the ``errno`` variable is set56appropriately. The generic error codes are described at the57:ref:`Generic Error Codes <gen-errors>` chapter.58