Rockchip I2S Device Driver

modulename: snd-soc-i2s.ko

configname: CONFIG_SND_SOC_ROCKCHIP_I2S

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Rockchip I2S Device Driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y or M if you want to add support for I2S driver for
Rockchip I2S device. The device supports upto maximum of
8 channels each for play and record.

source code: