Holtek Ht16K33 LED controller with keyscan

modulename: ht16k33.ko

configname: CONFIG_HT16K33

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Auxiliary Display support
└─>Holtek Ht16K33 LED controller with keyscan
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to add support for Holtek HT16K33, RAM mapping 16*8
LED controller driver with keyscan.

source code:
drivers/auxdisplay/ht16k33.c