drivers/acpi/battery.h - linux - Git at Google

 #ifndef __ACPI_BATTERY_H
 #define __ACPI_BATTERY_H

 #define ACPI_BATTERY_CLASS "battery"

 #define ACPI_BATTERY_NOTIFY_STATUS	0x80
 #define ACPI_BATTERY_NOTIFY_INFO	0x81
 #define ACPI_BATTERY_NOTIFY_THRESHOLD   0x82

 #endif
	#ifndef __ACPI_BATTERY_H
	#define __ACPI_BATTERY_H

	#define ACPI_BATTERY_CLASS "battery"

	#define ACPI_BATTERY_NOTIFY_STATUS 0x80
	#define ACPI_BATTERY_NOTIFY_INFO 0x81
	#define ACPI_BATTERY_NOTIFY_THRESHOLD 0x82

	#endif