diff options
Diffstat (limited to 'include/linux/power_supply.h')
| -rw-r--r-- | include/linux/power_supply.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 81a55e974feb..be203985ecdd 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -381,8 +381,14 @@ struct power_supply_battery_info { extern struct atomic_notifier_head power_supply_notifier; extern int power_supply_reg_notifier(struct notifier_block *nb); extern void power_supply_unreg_notifier(struct notifier_block *nb); +#if IS_ENABLED(CONFIG_POWER_SUPPLY) extern struct power_supply *power_supply_get_by_name(const char *name); extern void power_supply_put(struct power_supply *psy); +#else +static inline void power_supply_put(struct power_supply *psy) {} +static inline struct power_supply *power_supply_get_by_name(const char *name) +{ return NULL; } +#endif #ifdef CONFIG_OF extern struct power_supply *power_supply_get_by_phandle(struct device_node *np, const char *property); @@ -426,9 +432,16 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } extern int power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val); +#if IS_ENABLED(CONFIG_POWER_SUPPLY) extern int power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val); +#else +static inline int power_supply_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ return 0; } +#endif extern int power_supply_property_is_writeable(struct power_supply *psy, enum power_supply_property psp); extern void power_supply_external_power_changed(struct power_supply *psy); @@ -476,12 +489,12 @@ static inline bool power_supply_is_amp_property(enum power_supply_property psp) case POWER_SUPPLY_PROP_CURRENT_NOW: case POWER_SUPPLY_PROP_CURRENT_AVG: case POWER_SUPPLY_PROP_CURRENT_BOOT: - return 1; + return true; default: break; } - return 0; + return false; } static inline bool power_supply_is_watt_property(enum power_supply_property psp) @@ -504,12 +517,12 @@ static inline bool power_supply_is_watt_property(enum power_supply_property psp) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX: case POWER_SUPPLY_PROP_POWER_NOW: - return 1; + return true; default: break; } - return 0; + return false; } #ifdef CONFIG_POWER_SUPPLY_HWMON |