NAME

acpi_sony — ACPI notebook controller driver for Sony laptops

SYNOPSIS

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

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 <takawata@FreeBSD.org>.