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Manual Pages  — ACPI_SONY

NAME

acpi_sony – ACPI notebook controller driver for Sony laptops

CONTENTS

SYNOPSIS

To compile this driver into the kernel, place the following line in your kernel configuration file: 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 FreeBSD 6.0 .

AUTHORS

The acpi_sony driver was written by Takanori Watanabe <Mt takawata@FreeBSD.org>.

ACPI_SONY (4) February 8, 2010

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