Measurement Computing CIO-DAC IIO driver

modulename: cio-dac.ko

configname: CONFIG_CIO_DAC

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Digital to analog converters
└─>Measurement Computing CIO-DAC IIO driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to build support for the Measurement Computing CIO-DAC
analog output device family (CIO-DAC16, CIO-DAC08, PC104-DAC06). The
base port addresses for the devices may be configured via the base
array module parameter.

source code: