ASoC support multiple codecs for Rockchip RK3399 GRU boards

modulename: snd-soc-rk3399-gru-sound.ko

configname: CONFIG_SND_SOC_RK3399_GRU_SOUND

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Rockchip
└─>GPIO Support
└─>SPI support
└─>ASoC support multiple codecs for Rockchip RK3399 GRU boards
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y or M here if you want to add support multiple codecs for SoC
audio on Rockchip RK3399 GRU boards.

source code:
sound/soc//rockchip/