PMIC (Power Management Integrated Circuit) operation region support

modulename: intel_pmic.ko

configname: CONFIG_PMIC_OPREGION

Linux Kernel Configuration
└─>Power management and ACPI options
└─>ACPI (Advanced Configuration and Power Interface) Support
└─>PMIC (Power Management Integrated Circuit) operation region support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Select this option to enable support for ACPI operation
region of the PMIC chip. The operation region can be used
to control power rails and sensor reading/writing on the
PMIC chip.

source code:
depends
CONFIG_ACPI

is selected by
CONFIG_VIDEO_ATOMISP