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83 lines
2.7 KiB
Groff
83 lines
2.7 KiB
Groff
.\" Copyright (c) 2005 Christian Brueffer
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 8, 2010
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.Dt ACPI_SONY 4
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.Os
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.Sh NAME
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.Nm acpi_sony
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.Nd "ACPI notebook controller driver for Sony laptops"
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following line in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device acpi_sony"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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acpi_sony_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the notebook controller in Sony laptops.
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Note that not all features will work on all laptop models.
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.Sh SYSCTLS
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The following sysctl nodes are currently implemented:
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.Bl -tag -width indent
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.It Va dev.acpi_sony.0.brightness
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Current brightness level of the display.
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.It Va dev.acpi_sony.0.brightness_default
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Default brightness level of the display (survives reboot).
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.It Va dev.acpi_sony.0.contrast
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Current contrast level of the display.
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.It Va dev.acpi_sony.0.bass_gain
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Enable or disable the Bass Gain feature.
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.It Va dev.acpi_sony.0.cdp
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Turns the CD power on or off.
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.It Va dev.acpi_sony.0.azp
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Turns the audio power on or off.
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.It Va dev.acpi_sony.0.lnp
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Turns the wired network interface power on or off.
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.El
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.Sh SEE ALSO
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.Xr acpi 4 ,
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.Xr sysctl 8
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 6.0 .
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Takanori Watanabe Aq takawata@FreeBSD.org .
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