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:

             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 <takawata@FreeBSD.org>.

Debian                                          February 8, 2010                                    ACPI_SONY(4)