Cirrus Logic Madera codecs

modulename: madera.ko

configname: CONFIG_MFD_MADERA

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Cirrus Logic Madera codecs
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Support for the Cirrus Logic Madera platform audio codecs

source code: