Samsung Exynos SoC Low Power Audio Subsystem

modulename: exynos-lpass.ko

configname: CONFIG_MFD_EXYNOS_LPASS

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Samsung Exynos SoC Low Power Audio Subsystem
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Select this option to enable support for Samsung Exynos Low Power
Audio Subsystem.

source code:
drivers/mfd//exynos-lpass.c

depends
CONFIG_HAS_IOMEM
CONFIG_ARCH_EXYNOS or CONFIG_COMPILE_TEST