DAC emulation using a DPOT

modulename: dpot-dac.ko

configname: CONFIG_DPOT_DAC

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Digital to analog converters
└─>DAC emulation using a DPOT
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to build support for DAC emulation using a digital

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

source code: