141 lines
4.0 KiB
Groff
141 lines
4.0 KiB
Groff
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.\" $NetBSD: sony.4,v 1.1 2005/12/13 18:20:56 christos Exp $
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.\"
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.\" Copyright (c) 2005 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Christos Zoulas.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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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 December 13, 2005
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.Dt SONY 4 i386
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.Os
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.Sh NAME
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.Nm sony
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.Nd Sony Miscellaneous Controller
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.Sh SYNOPSIS
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.Cd "sony* at acpi?"
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.Sh DESCRIPTION
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Some
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.Tn Sony
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notebook computers have a controller that handles various built-in devices.
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The
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.Nm
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driver provides support for accessing/modifying the settings of some of these
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devices via the
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.Xr sysctl 8
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interface.
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.Pp
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The following
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.Xr sysctl 8
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variables are available:
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.Pp
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.Bl -tag -width "hw.sony0.brt [R/W]" -compact
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.It Em hw.sony0.brt [R/W]
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Controls current LCD brightness. Range [0-8].
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.It Em hw.sony0.pbr [R/W]
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Controls power on LCD brightness. Range [0-8].
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.It Em hw.sony0.cdp [R/W]
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Controls CD power.
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.It Em hw.sony0.pid [R/O]
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Unknown
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.It Em hw.sony0.ctr [R/W]
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Unknown
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.It Em hw.sony0.pcr [R/W]
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Unknown
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.It Em hw.sony0.cmi [R/W]
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Unknown
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.It Em hw.sony0.ams [R/W]
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Audio control (mute when 0)
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.It Em hw.sony0.hke [R/O]
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Indicates a Host Key Event. Bits are set when an event occurs and cleared
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when this value is read. The following table describes the bit set for
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each button pressed:
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.Pp
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.Bl -tag -width 0x1000 -offset indent -compact
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.It Em 0x1000
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S1 button
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.It Em 0x0800
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S2 button
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.It Em 0x0200
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Fn + F10 (magnify)
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.It Em 0x0100
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Mute button
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.It Em 0x0020
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Fn + F12 (suspend to disk)
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.It Em 0x0010
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Fn + F7 (LCD/external monitor)
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.It Em 0x0008
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Fn + F6 (brighter backlight)
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.It Em 0x0004
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Fn + F5 (darker backlight)
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.It Em 0x0002
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Fn + F4 (volume up)
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.It Em 0x0001
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Fn + F3 (volume down)
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.El
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.El
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.Sh SEE ALSO
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.Xr acpi 4 ,
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.Xr spic 4
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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 4.0 .
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.Sh AUTHORS
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Sami Kantoluoto for the original driver and manual information.
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Christos Zoulas for cleaning up the driver and this manual page.
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.Sh BUGS
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.Bl -bullet
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.It
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The
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.Nm
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driver just parses integer values from the
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.Xr acpi 4
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tree.
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It could be more intelligent and parse other controls.
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.It
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The
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.Xr sysctl 8
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interface is not great.
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The names of the
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.Xr sysctl 8
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tree are not self-explanatory.
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.It
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No validity checks are performed in the user input.
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Playing with random values and/or unknown controls can harm your machine.
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.It
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The
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.Nm
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of the driver is too generic.
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.El
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