Broadwell Wildcatpoint

modulename: snd-soc-bdw-rt286.ko

and/or

snd-soc-sst-broadwell.ko

configname: CONFIG_SND_SOC_INTEL_BROADWELL_MACH

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Intel Machine drivers
└─>Broadwell Wildcatpoint
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This adds support for the Wilcatpoint Audio DSP on Intel(R) Broadwell
Ultrabook platforms.
Say Y or m if you have such a device. This is a recommended option.
If unsure select "N".

source code:
sound/soc//intel/boards/