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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.


SYSCTLS
     The following sysctl is currently implemented:

     dev.acpi_sony.0.brightness
             Current brightness level of the display.

     dev.acpi_sony.0.cdp
             Turns the CD 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〉.