69 lines
2.2 KiB
Groff
69 lines
2.2 KiB
Groff
.\" $NetBSD: acpitz.4,v 1.7 2008/04/30 13:10:53 martin Exp $
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.\"
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.\" Copyright (c) 2003, 2004 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 5, 2007
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.Dt ACPITZ 4
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.Os
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.Sh NAME
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.Nm acpitz
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.Nd ACPI Thermal Zone
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.Sh SYNOPSIS
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.Cd "acpitz* at acpi?"
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.Sh DESCRIPTION
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The
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.Nm
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driver supports ACPI Thermal Zones.
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.Pp
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The temperature can be monitored by the
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.Xr envsys 4
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API or the
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.Xr envstat 8
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command.
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.Sh EVENTS
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The
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.Nm
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driver is able to send events to powerd(8) when sensor's state has changed.
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When a Thermal Zone is critical, a
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.Em critical
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event will be sent or if the Thermal Zone is hot, a
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.Em warning-over
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event will be sent to the
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.Pa /etc/powerd/scripts/sensor_temperature
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script.
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.Sh SEE ALSO
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.Xr acpi 4 ,
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.Xr envsys 4 ,
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.Xr envstat 8 ,
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.Xr powerd 8
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.Sh HISTORY
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The
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.Nm
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driver
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appeared in
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.Nx 2.0 .
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.Sh BUGS
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Any policy control such as fan control is not implemented.
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