SoC Audio support for Tegra boards using a RT5677 codec

modulename: snd-soc-tegra-rt5677.ko

configname: CONFIG_SND_SOC_TEGRA_RT5677

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>GPIO Support
└─>SoC Audio support for Tegra boards using a RT5677 codec
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y or M here if you want to add support for SoC audio on Tegra
boards using the RT5677 codec, such as Ryu.

source code: