threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
47 lines
952 B
ReStructuredText
47 lines
952 B
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
|
|
|
|
.. _lirc_set_rec_carrier:
|
|
|
|
**************************
|
|
ioctl LIRC_SET_REC_CARRIER
|
|
**************************
|
|
|
|
Name
|
|
====
|
|
|
|
LIRC_SET_REC_CARRIER - Set carrier used to modulate IR receive.
|
|
|
|
|
|
Synopsis
|
|
========
|
|
|
|
.. c:function:: int ioctl( int fd, LIRC_SET_REC_CARRIER, __u32 *frequency )
|
|
:name: LIRC_SET_REC_CARRIER
|
|
|
|
Arguments
|
|
=========
|
|
|
|
``fd``
|
|
File descriptor returned by open().
|
|
|
|
``frequency``
|
|
Frequency of the carrier that modulates PWM data, in Hz.
|
|
|
|
Description
|
|
===========
|
|
|
|
Set receive carrier used to modulate IR PWM pulses and spaces.
|
|
|
|
.. note::
|
|
|
|
If called together with :ref:`LIRC_SET_REC_CARRIER_RANGE`, this ioctl
|
|
sets the upper bound frequency that will be recognized by the device.
|
|
|
|
|
|
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.
|