diff options
Diffstat (limited to 'drivers/power/supply/power_supply.h')
| -rw-r--r-- | drivers/power/supply/power_supply.h | 62 |
1 files changed, 57 insertions, 5 deletions
diff --git a/drivers/power/supply/power_supply.h b/drivers/power/supply/power_supply.h index cc439fd89d8d..8f6a2d44b996 100644 --- a/drivers/power/supply/power_supply.h +++ b/drivers/power/supply/power_supply.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Functions private to power supply class * @@ -6,23 +7,57 @@ * Copyright © 2003 Ian Molton <spyro@f2s.com> * * Modified: 2004, Oct Szabolcs Gyurko - * - * You may use this code as per GPL version 2 */ +#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 power_supply_init_attrs(struct device_type *dev_type); -extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env); +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(struct device_type *dev_type) {} +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 */ @@ -40,3 +75,20 @@ static inline int power_supply_create_triggers(struct power_supply *psy) 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 */ |