|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef __ACPI_BATTERY_H | 
|  | #define __ACPI_BATTERY_H | 
|  |  | 
|  | #include <linux/power_supply.h> | 
|  |  | 
|  | #define ACPI_BATTERY_CLASS "battery" | 
|  |  | 
|  | #define ACPI_BATTERY_NOTIFY_STATUS	0x80 | 
|  | #define ACPI_BATTERY_NOTIFY_INFO	0x81 | 
|  | #define ACPI_BATTERY_NOTIFY_THRESHOLD   0x82 | 
|  |  | 
|  | struct acpi_battery_hook { | 
|  | const char *name; | 
|  | int (*add_battery)(struct power_supply *battery); | 
|  | int (*remove_battery)(struct power_supply *battery); | 
|  | struct list_head list; | 
|  | }; | 
|  |  | 
|  | void battery_hook_register(struct acpi_battery_hook *hook); | 
|  | void battery_hook_unregister(struct acpi_battery_hook *hook); | 
|  |  | 
|  | #endif |