57 lines
1.5 KiB
ReStructuredText
57 lines
1.5 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
|
|
.. c:namespace:: RC
|
|
|
|
.. _lirc_set_wideband_receiver:
|
|
|
|
********************************
|
|
ioctl LIRC_SET_WIDEBAND_RECEIVER
|
|
********************************
|
|
|
|
Name
|
|
====
|
|
|
|
LIRC_SET_WIDEBAND_RECEIVER - enable wide band receiver.
|
|
|
|
Synopsis
|
|
========
|
|
|
|
.. c:macro:: LIRC_SET_WIDEBAND_RECEIVER
|
|
|
|
``int ioctl(int fd, LIRC_SET_WIDEBAND_RECEIVER, __u32 *enable)``
|
|
|
|
Arguments
|
|
=========
|
|
|
|
``fd``
|
|
File descriptor returned by open().
|
|
|
|
``enable``
|
|
enable = 1 means enable wideband receiver, enable = 0 means disable
|
|
wideband receiver.
|
|
|
|
Description
|
|
===========
|
|
|
|
Some receivers are equipped with special wide band receiver which is
|
|
intended to be used to learn output of existing remote. This ioctl
|
|
allows enabling or disabling it.
|
|
|
|
This might be useful of receivers that have otherwise narrow band receiver
|
|
that prevents them to be used with some remotes. Wide band receiver might
|
|
also be more precise. On the other hand its disadvantage it usually
|
|
reduced range of reception.
|
|
|
|
.. note::
|
|
|
|
Wide band receiver might be implictly enabled if you enable
|
|
carrier reports. In that case it will be disabled as soon as you disable
|
|
carrier reports. Trying to disable wide band receiver while carrier
|
|
reports are active will do nothing.
|
|
|
|
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.
|