Maxim Integrated DS1803 and similar Digital Potentiometer driver

modulename: ds1803.ko

configname: CONFIG_DS1803

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Digital potentiometers
└─>Maxim Integrated DS1803 and similar Digital Potentiometer driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to build support for the Maxim Integrated DS1803 and
DS3502 digital potentiometer chip.

To compile this driver as a module, choose M here: the
module will be called ds1803.

source code: