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@.\"	$NetBSD: led.4,v 1.1 2026/07/25 08:30:26 jdc Exp $
.\"
.\" Copyright (c) 2020 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Julian Coleman.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd November 15, 2020
.Dt LED 4
.Os
.Sh NAME
.Nm led
.Nd Generic LED driver
.Sh DESCRIPTION
The
.Nm
framework exposes controllable LED's through a
.Xr sysctl 7
.Li hw.led
subtree.
A value of 1 means that the corresponding LED is lit, and a value of 0
means that it is unlit.
Writing a value of 1 will switch on the LED, and writing a value of 0
will switch it off.
.Sh SEE ALSO
.Xr sysctl 7 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 9.0 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Jared McNeill Aq Mt jmcneill@@NetBSD.org .
@


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@d1 1
a1 1
.\"	$NetBSD$
d41 2
a42 1
hw.led subtree.
d48 2
a49 1
.Xr sysctl 7
d59 1
a59 1
.An Jared McNeill Aq Mt jmcneill@@netbsd.org .
@