1.\" Copyright (c) 2005 Christian Brueffer 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd February 8, 2010 28.Dt ACPI_SONY 4 29.Os 30.Sh NAME 31.Nm acpi_sony 32.Nd "ACPI notebook controller driver for Sony laptops" 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following line in your 36kernel configuration file: 37.Bd -ragged -offset indent 38.Cd "device acpi_sony" 39.Ed 40.Pp 41Alternatively, to load the driver as a 42module at boot time, place the following line in 43.Xr loader.conf 5 : 44.Bd -literal -offset indent 45acpi_sony_load="YES" 46.Ed 47.Sh DESCRIPTION 48The 49.Nm 50driver provides support for the notebook controller in Sony laptops. 51Note that not all features will work on all laptop models. 52.Sh SYSCTLS 53The following sysctl nodes are currently implemented: 54.Bl -tag -width indent 55.It Va dev.acpi_sony.0.brightness 56Current brightness level of the display. 57.It Va dev.acpi_sony.0.brightness_default 58Default brightness level of the display (survives reboot). 59.It Va dev.acpi_sony.0.contrast 60Current contrast level of the display. 61.It Va dev.acpi_sony.0.bass_gain 62Enable or disable the Bass Gain feature. 63.It Va dev.acpi_sony.0.cdp 64Turns the CD power on or off. 65.It Va dev.acpi_sony.0.azp 66Turns the audio power on or off. 67.It Va dev.acpi_sony.0.lnp 68Turns the wired network interface power on or off. 69.El 70.Sh SEE ALSO 71.Xr acpi 4 , 72.Xr sysctl 8 73.Sh HISTORY 74The 75.Nm 76driver first appeared in 77.Fx 6.0 . 78.Sh AUTHORS 79The 80.Nm 81driver was written by 82.An Takanori Watanabe Aq Mt takawata@FreeBSD.org . 83