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Man Pages


Manual Reference Pages  -  ACPI_SONY (4)

NAME

acpi_sony - ACPI notebook controller driver for Sony laptops

CONTENTS

Synopsis
Description
Sysctls
See Also
History
Authors

SYNOPSIS

To compile this driver into the kernel, place the following line in your kernel configuration file:


.Cd device acpi_sony

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

acpi_sony_load="YES"

DESCRIPTION

The acpi_sony driver provides support for the notebook controller in Sony laptops. Note that not all features will work on all laptop models.

SYSCTLS

The following sysctl nodes are currently implemented:
dev.acpi_sony.0.brightness
  Current brightness level of the display.
dev.acpi_sony.0.brightness_default
  Default brightness level of the display (survives reboot).
dev.acpi_sony.0.contrast
  Current contrast level of the display.
dev.acpi_sony.0.bass_gain
  Enable or disable the Bass Gain feature.
dev.acpi_sony.0.cdp
  Turns the CD power on or off.
dev.acpi_sony.0.azp
  Turns the audio power on or off.
dev.acpi_sony.0.lnp
  Turns the wired network interface power on or off.

SEE ALSO

acpi(4), sysctl(8)

HISTORY

The acpi_sony driver first appeared in
.Fx 6.0 .

AUTHORS

The acpi_sony driver was written by
.An Takanori Watanabe Aq takawata@FreeBSD.org .
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