SGI Indy/O2 volume button interface

modulename: sgi_btns.ko

configname: CONFIG_INPUT_SGI_BTNS

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Miscellaneous devices
└─>SGI Indy/O2 volume button interface
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Say Y here if you want to support SGI Indy/O2 volume button interface.

To compile this driver as a module, choose M here: the
module will be called sgi_btns.

source code: