Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer driver

modulename: mcp4131.ko

configname: CONFIG_MCP4131

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Digital potentiometers
└─>SPI support
└─>Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say yes here to build support for the Microchip
MCP4131, MCP4132,
MCP4141, MCP4142,
MCP4151, MCP4152,
MCP4161, MCP4162,
MCP4231, MCP4232,
MCP4241, MCP4242,
MCP4251, MCP4252,
MCP4261, MCP4262,
digital potentiometer chips.

To compile this driver as a module, choose M here: the
module will be called mcp4131.

source code: