TI-NSPIRE built-in keyboard

modulename: nspire-keypad.ko


Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Device Tree and Open Firmware support
└─>TI-NSPIRE built-in keyboard
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want to use the built-in keypad on TI-NSPIRE.

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

source code: