Sony Laptop Extras

modulename: sony-laptop.ko

configname: CONFIG_SONY_LAPTOP

Linux Kernel Configuration
└─>Device Drivers
└─>X86 Platform Specific Device Drivers
└─>Sony Laptop Extras
In linux kernel since version 2.6.21.1 (release Date: 2007-04-27)  
This mini-driver drives the SNC and SPIC devices present in the ACPI
BIOS of the Sony Vaio laptops.

It gives access to some extra laptop functionalities like Bluetooth,
screen brightness control, Fn keys and allows powering on/off some
devices.

Read Documentation/laptops/sony-laptop.txt for more information.

source code: