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diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
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+++ b/include/linux/power_supply.h
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+/*
+ *  Universal power supply monitor class
+ *
+ *  Copyright © 2007  Anton Vorontsov <cbou@mail.ru>
+ *  Copyright © 2004  Szabolcs Gyurko
+ *  Copyright © 2003  Ian Molton <spyro@f2s.com>
+ *
+ *  Modified: 2004, Oct     Szabolcs Gyurko
+ *
+ *  You may use this code as per GPL version 2
+ */
+
+#ifndef __LINUX_POWER_SUPPLY_H__
+#define __LINUX_POWER_SUPPLY_H__
+
+#include <linux/workqueue.h>
+#include <linux/leds.h>
+#include <linux/types.h>
+
+struct device;
+
+/*
+ * All voltages, currents, charges, energies, time and temperatures in uV,
+ * µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise
+ * stated. It's driver's job to convert its raw values to units in which
+ * this class operates.
+ */
+
+/*
+ * For systems where the charger determines the maximum battery capacity
+ * the min and max fields should be used to present these values to user
+ * space. Unused/unknown fields will not appear in sysfs.
+ */
+
+enum {
+	POWER_SUPPLY_STATUS_UNKNOWN = 0,
+	POWER_SUPPLY_STATUS_CHARGING,
+	POWER_SUPPLY_STATUS_DISCHARGING,
+	POWER_SUPPLY_STATUS_NOT_CHARGING,
+	POWER_SUPPLY_STATUS_FULL,
+	POWER_SUPPLY_STATUS_CMD_DISCHARGING,
+};
+
+enum {
+	POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
+	POWER_SUPPLY_CHARGE_TYPE_NONE,
+	POWER_SUPPLY_CHARGE_TYPE_TRICKLE,
+	POWER_SUPPLY_CHARGE_TYPE_FAST,
+};
+
+enum {
+	POWER_SUPPLY_HEALTH_UNKNOWN = 0,
+	POWER_SUPPLY_HEALTH_GOOD,
+	POWER_SUPPLY_HEALTH_OVERHEAT,
+	POWER_SUPPLY_HEALTH_DEAD,
+	POWER_SUPPLY_HEALTH_OVERVOLTAGE,
+	POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
+	POWER_SUPPLY_HEALTH_COLD,
+	POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
+	POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
+};
+
+enum {
+	POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
+	POWER_SUPPLY_TECHNOLOGY_NiMH,
+	POWER_SUPPLY_TECHNOLOGY_LION,
+	POWER_SUPPLY_TECHNOLOGY_LIPO,
+	POWER_SUPPLY_TECHNOLOGY_LiFe,
+	POWER_SUPPLY_TECHNOLOGY_NiCd,
+	POWER_SUPPLY_TECHNOLOGY_LiMn,
+};
+
+enum {
+	POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
+	POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
+	POWER_SUPPLY_CAPACITY_LEVEL_LOW,
+	POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
+	POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
+	POWER_SUPPLY_CAPACITY_LEVEL_FULL,
+};
+
+enum {
+	POWER_SUPPLY_SCOPE_UNKNOWN = 0,
+	POWER_SUPPLY_SCOPE_SYSTEM,
+	POWER_SUPPLY_SCOPE_DEVICE,
+};
+
+enum power_supply_property {
+	/* Properties of type `int' */
+	POWER_SUPPLY_PROP_STATUS = 0,
+	POWER_SUPPLY_PROP_CHARGE_TYPE,
+	POWER_SUPPLY_PROP_HEALTH,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_ONLINE,
+	POWER_SUPPLY_PROP_AUTHENTIC,
+	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CYCLE_COUNT,
+	POWER_SUPPLY_PROP_VOLTAGE_MAX,
+	POWER_SUPPLY_PROP_VOLTAGE_MIN,
+	POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
+	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_VOLTAGE_AVG,
+	POWER_SUPPLY_PROP_VOLTAGE_OCV,
+	POWER_SUPPLY_PROP_CURRENT_MAX,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
+	POWER_SUPPLY_PROP_CURRENT_AVG,
+	POWER_SUPPLY_PROP_POWER_NOW,
+	POWER_SUPPLY_PROP_POWER_AVG,
+	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
+	POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
+	POWER_SUPPLY_PROP_CHARGE_FULL,
+	POWER_SUPPLY_PROP_CHARGE_EMPTY,
+	POWER_SUPPLY_PROP_CHARGE_NOW,
+	POWER_SUPPLY_PROP_CHARGE_AVG,
+	POWER_SUPPLY_PROP_CHARGE_COUNTER,
+	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
+	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
+	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
+	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
+	POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
+	POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
+	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
+	POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
+	POWER_SUPPLY_PROP_ENERGY_FULL,
+	POWER_SUPPLY_PROP_ENERGY_EMPTY,
+	POWER_SUPPLY_PROP_ENERGY_NOW,
+	POWER_SUPPLY_PROP_ENERGY_AVG,
+	POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
+	POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
+	POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
+	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
+	POWER_SUPPLY_PROP_TEMP,
+	POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
+	POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
+	POWER_SUPPLY_PROP_TEMP_AMBIENT,
+	POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
+	POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
+	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
+	POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
+	POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
+	POWER_SUPPLY_PROP_SCOPE,
+	/* Local extensions */
+	POWER_SUPPLY_PROP_USB_HC,
+	POWER_SUPPLY_PROP_USB_OTG,
+	POWER_SUPPLY_PROP_CHARGE_ENABLED,
+	/* Local extensions of type int64_t */
+	POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT,
+	/* 20100723 James Lo */
+	POWER_SUPPLY_PROP_batt_vol,
+	POWER_SUPPLY_PROP_batt_temp,
+	/* 20100723 Add for EM */
+	POWER_SUPPLY_PROP_TemperatureR,
+	POWER_SUPPLY_PROP_TempBattVoltage,
+	POWER_SUPPLY_PROP_InstatVolt,
+	POWER_SUPPLY_PROP_BatteryAverageCurrent,
+	POWER_SUPPLY_PROP_BatterySenseVoltage,
+	POWER_SUPPLY_PROP_ISenseVoltage,
+	POWER_SUPPLY_PROP_ChargerVoltage,
+	/* Dual battery */
+	POWER_SUPPLY_PROP_status_smb,
+	POWER_SUPPLY_PROP_capacity_smb,
+	POWER_SUPPLY_PROP_present_smb,
+	/* ADB CMD Discharging */
+	POWER_SUPPLY_PROP_adjust_power,
+	/* Properties of type `const char *' */
+	POWER_SUPPLY_PROP_MODEL_NAME,
+	POWER_SUPPLY_PROP_MANUFACTURER,
+	POWER_SUPPLY_PROP_SERIAL_NUMBER,
+};
+
+enum power_supply_type {
+	POWER_SUPPLY_TYPE_UNKNOWN = 0,
+	POWER_SUPPLY_TYPE_BATTERY,
+	POWER_SUPPLY_TYPE_UPS,
+	POWER_SUPPLY_TYPE_MAINS,
+	POWER_SUPPLY_TYPE_USB,		/* Standard Downstream Port */
+	POWER_SUPPLY_TYPE_USB_DCP,	/* Dedicated Charging Port */
+	POWER_SUPPLY_TYPE_USB_CDP,	/* Charging Downstream Port */
+	POWER_SUPPLY_TYPE_USB_ACA,	/* Accessory Charger Adapters */
+	POWER_SUPPLY_TYPE_WIRELESS,	/* Wireless Charger */
+};
+
+union power_supply_propval {
+	int intval;
+	const char *strval;
+	int64_t int64val;
+};
+
+struct power_supply {
+	const char *name;
+	enum power_supply_type type;
+	enum power_supply_property *properties;
+	size_t num_properties;
+
+	char **supplied_to;
+	size_t num_supplicants;
+
+	char **supplied_from;
+	size_t num_supplies;
+#ifdef CONFIG_OF
+	struct device_node *of_node;
+#endif
+
+	int (*get_property)(struct power_supply *psy,
+			    enum power_supply_property psp,
+			    union power_supply_propval *val);
+	int (*set_property)(struct power_supply *psy,
+			    enum power_supply_property psp,
+			    const union power_supply_propval *val);
+	int (*property_is_writeable)(struct power_supply *psy,
+				     enum power_supply_property psp);
+	void (*external_power_changed)(struct power_supply *psy);
+	void (*set_charged)(struct power_supply *psy);
+
+	/* For APM emulation, think legacy userspace. */
+	int use_for_apm;
+
+	/* private */
+	struct device *dev;
+	struct work_struct changed_work;
+	spinlock_t changed_lock;
+	bool changed;
+#ifdef CONFIG_THERMAL
+	struct thermal_zone_device *tzd;
+	struct thermal_cooling_device *tcd;
+#endif
+
+#ifdef CONFIG_LEDS_TRIGGERS
+	struct led_trigger *charging_full_trig;
+	char *charging_full_trig_name;
+	struct led_trigger *charging_trig;
+	char *charging_trig_name;
+	struct led_trigger *full_trig;
+	char *full_trig_name;
+	struct led_trigger *online_trig;
+	char *online_trig_name;
+	struct led_trigger *charging_blink_full_solid_trig;
+	char *charging_blink_full_solid_trig_name;
+#endif
+};
+
+/*
+ * This is recommended structure to specify static power supply parameters.
+ * Generic one, parametrizable for different power supplies. Power supply
+ * class itself does not use it, but that's what implementing most platform
+ * drivers, should try reuse for consistency.
+ */
+
+struct power_supply_info {
+	const char *name;
+	int technology;
+	int voltage_max_design;
+	int voltage_min_design;
+	int charge_full_design;
+	int charge_empty_design;
+	int energy_full_design;
+	int energy_empty_design;
+	int use_for_apm;
+};
+
+extern struct power_supply *power_supply_get_by_name(const char *name);
+extern void power_supply_changed(struct power_supply *psy);
+extern int power_supply_am_i_supplied(struct power_supply *psy);
+extern int power_supply_set_battery_charged(struct power_supply *psy);
+
+#ifdef CONFIG_POWER_SUPPLY
+extern int power_supply_is_system_supplied(void);
+#else
+static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
+#endif
+
+extern int power_supply_register(struct device *parent,
+				 struct power_supply *psy);
+extern void power_supply_unregister(struct power_supply *psy);
+extern int power_supply_powers(struct power_supply *psy, struct device *dev);
+
+/* For APM emulation, think legacy userspace. */
+extern struct class *power_supply_class;
+
+static inline bool power_supply_is_amp_property(enum power_supply_property psp)
+{
+	switch (psp) {
+	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
+	case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
+	case POWER_SUPPLY_PROP_CHARGE_FULL:
+	case POWER_SUPPLY_PROP_CHARGE_EMPTY:
+	case POWER_SUPPLY_PROP_CHARGE_NOW:
+	case POWER_SUPPLY_PROP_CHARGE_AVG:
+	case POWER_SUPPLY_PROP_CHARGE_COUNTER:
+	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
+	case POWER_SUPPLY_PROP_CURRENT_MAX:
+	case POWER_SUPPLY_PROP_CURRENT_NOW:
+	case POWER_SUPPLY_PROP_CURRENT_AVG:
+		return 1;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static inline bool power_supply_is_watt_property(enum power_supply_property psp)
+{
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
+	case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
+	case POWER_SUPPLY_PROP_ENERGY_FULL:
+	case POWER_SUPPLY_PROP_ENERGY_EMPTY:
+	case POWER_SUPPLY_PROP_ENERGY_NOW:
+	case POWER_SUPPLY_PROP_ENERGY_AVG:
+	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
+	case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+	case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
+	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+	case POWER_SUPPLY_PROP_VOLTAGE_AVG:
+	case POWER_SUPPLY_PROP_VOLTAGE_OCV:
+	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
+	case POWER_SUPPLY_PROP_POWER_NOW:
+		return 1;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+#endif /* __LINUX_POWER_SUPPLY_H__ */