linux/linux-5.4.31/Documentation/media/uapi/rc/lirc-get-rec-mode.rst

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.. Permission is granted to copy, distribute and/or modify this
.. document under the terms of the GNU Free Documentation License,
.. Version 1.1 or any later version published by the Free Software
.. Foundation, with no Invariant Sections, no Front-Cover Texts
.. and no Back-Cover Texts. A copy of the license is included at
.. Documentation/media/uapi/fdl-appendix.rst.
..
.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
.. _lirc_get_rec_mode:
.. _lirc_set_rec_mode:
**********************************************
ioctls LIRC_GET_REC_MODE and LIRC_SET_REC_MODE
**********************************************
Name
====
LIRC_GET_REC_MODE/LIRC_SET_REC_MODE - Get/set current receive mode.
Synopsis
========
.. c:function:: int ioctl( int fd, LIRC_GET_REC_MODE, __u32 *mode)
:name: LIRC_GET_REC_MODE
.. c:function:: int ioctl( int fd, LIRC_SET_REC_MODE, __u32 *mode)
:name: LIRC_SET_REC_MODE
Arguments
=========
``fd``
File descriptor returned by open().
``mode``
Mode used for receive.
Description
===========
Get and set the current receive mode. Only
:ref:`LIRC_MODE_MODE2 <lirc-mode-mode2>` and
:ref:`LIRC_MODE_SCANCODE <lirc-mode-scancode>` are supported.
Use :ref:`lirc_get_features` to find out which modes the driver supports.
Return Value
============
.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``ENODEV``
- Device not available.
- .. row 2
- ``ENOTTY``
- Device does not support receiving.
- .. row 3
- ``EINVAL``
- Invalid mode or invalid mode for this device.