drivers/power/supply/power_supply.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  Functions private to power supply class
   4  *
   5  *  Copyright © 2007  Anton Vorontsov <cbou@mail.ru>
   6  *  Copyright © 2004  Szabolcs Gyurko
   7  *  Copyright © 2003  Ian Molton <spyro@f2s.com>
   8  *
   9  *  Modified: 2004, Oct     Szabolcs Gyurko
  10  */
  11
  12 struct device;
  13 struct device_type;
  14 struct power_supply;
  15
  16 extern int power_supply_property_is_writeable(struct power_supply *psy,
  17                                               enum power_supply_property psp);
  18
  19 #ifdef CONFIG_SYSFS
  20
  21 extern void __init power_supply_init_attrs(void);
  22 extern int power_supply_uevent(const struct device *dev, struct kobj_uevent_env *env);
  23 extern const struct attribute_group *power_supply_attr_groups[];
  24
  25 #else
  26
  27 static inline void power_supply_init_attrs(void) {}
  28 #define power_supply_attr_groups NULL
  29 #define power_supply_uevent NULL
  30
  31 #endif /* CONFIG_SYSFS */
  32
  33 #ifdef CONFIG_LEDS_TRIGGERS
  34
  35 extern void power_supply_update_leds(struct power_supply *psy);
  36 extern int power_supply_create_triggers(struct power_supply *psy);
  37 extern void power_supply_remove_triggers(struct power_supply *psy);
  38
  39 #else
  40
  41 static inline void power_supply_update_leds(struct power_supply *psy) {}
  42 static inline int power_supply_create_triggers(struct power_supply *psy)
  43 { return 0; }
  44 static inline void power_supply_remove_triggers(struct power_supply *psy) {}
  45
  46 #endif /* CONFIG_LEDS_TRIGGERS */
  47
  48 #ifdef CONFIG_POWER_SUPPLY_HWMON
  49
  50 int power_supply_add_hwmon_sysfs(struct power_supply *psy);
  51 void power_supply_remove_hwmon_sysfs(struct power_supply *psy);
  52
  53 #else
  54
  55 static inline int power_supply_add_hwmon_sysfs(struct power_supply *psy)
  56 {
  57         return 0;
  58 }
  59
  60 static inline
  61 void power_supply_remove_hwmon_sysfs(struct power_supply *psy) {}
  62
  63 #endif /* CONFIG_POWER_SUPPLY_HWMON */