| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Functions private to power supply class |
| * |
| * Copyright © 2007 Anton Vorontsov <[email protected]> |
| * Copyright © 2004 Szabolcs Gyurko |
| * Copyright © 2003 Ian Molton <[email protected]> |
| * |
| * Modified: 2004, Oct Szabolcs Gyurko |
| */ |
| |
| #include <linux/lockdep.h> |
| |
| struct device; |
| struct device_type; |
| struct power_supply; |
| |
| extern int power_supply_property_is_writeable(struct power_supply *psy, |
| enum power_supply_property psp); |
| extern bool power_supply_has_property(struct power_supply *psy, |
| enum power_supply_property psp); |
| extern bool power_supply_ext_has_property(const struct power_supply_ext *ext, |
| enum power_supply_property psp); |
| |
| struct power_supply_ext_registration { |
| struct list_head list_head; |
| const struct power_supply_ext *ext; |
| struct device *dev; |
| void *data; |
| }; |
| |
| /* Make sure that the macro is a single expression */ |
| #define power_supply_for_each_extension(pos, psy) \ |
| if ( ({ lockdep_assert_held(&(psy)->extensions_sem); 0; }) ) \ |
| ; \ |
| else \ |
| list_for_each_entry(pos, &(psy)->extensions, list_head) \ |
| |
| #ifdef CONFIG_SYSFS |
| |
| extern void __init power_supply_init_attrs(void); |
| extern int power_supply_uevent(const struct device *dev, struct kobj_uevent_env *env); |
| extern const struct attribute_group *power_supply_attr_groups[]; |
| extern int power_supply_sysfs_add_extension(struct power_supply *psy, |
| const struct power_supply_ext *ext, |
| struct device *dev); |
| extern void power_supply_sysfs_remove_extension(struct power_supply *psy, |
| const struct power_supply_ext *ext); |
| |
| #else |
| |
| static inline void power_supply_init_attrs(void) {} |
| #define power_supply_attr_groups NULL |
| #define power_supply_uevent NULL |
| static inline int power_supply_sysfs_add_extension(struct power_supply *psy, |
| const struct power_supply_ext *ext, |
| struct device *dev) |
| { return 0; } |
| static inline void power_supply_sysfs_remove_extension(struct power_supply *psy, |
| const struct power_supply_ext *ext) {} |
| |
| #endif /* CONFIG_SYSFS */ |
| |
| #ifdef CONFIG_LEDS_TRIGGERS |
| |
| extern void power_supply_update_leds(struct power_supply *psy); |
| extern int power_supply_create_triggers(struct power_supply *psy); |
| extern void power_supply_remove_triggers(struct power_supply *psy); |
| |
| #else |
| |
| static inline void power_supply_update_leds(struct power_supply *psy) {} |
| static inline int power_supply_create_triggers(struct power_supply *psy) |
| { return 0; } |
| static inline void power_supply_remove_triggers(struct power_supply *psy) {} |
| |
| #endif /* CONFIG_LEDS_TRIGGERS */ |
| |
| #ifdef CONFIG_POWER_SUPPLY_HWMON |
| |
| int power_supply_add_hwmon_sysfs(struct power_supply *psy); |
| void power_supply_remove_hwmon_sysfs(struct power_supply *psy); |
| |
| #else |
| |
| static inline int power_supply_add_hwmon_sysfs(struct power_supply *psy) |
| { |
| return 0; |
| } |
| |
| static inline |
| void power_supply_remove_hwmon_sysfs(struct power_supply *psy) {} |
| |
| #endif /* CONFIG_POWER_SUPPLY_HWMON */ |
