Kconfig

menuconfig POWER_SUPPLY
	tristate "Power supply class support"
	help
	  Say Y here to enable power supply class support. This allows
	  power supply (batteries, AC, USB) monitoring by userspace
	  via sysfs and uevent (if available) and/or APM kernel interface
	  (if selected below).

if POWER_SUPPLY

config POWER_SUPPLY_DEBUG
	bool "Power supply debug"
	help
	  Say Y here to enable debugging messages for power supply class
	  and drivers.

endif # POWER_SUPPLY