CONFIG_MCP (not configurable)

modulename: mcp-core.ko

configname: CONFIG_MCP

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Multimedia Capabilities Port drivers
└─>MCP
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
drivers/mfd//mcp-core.c