diff options
Diffstat (limited to 'include/linux/power_supply.h')
| -rw-r--r-- | include/linux/power_supply.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 0d7c95f634a5..7ae60346465f 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -199,6 +199,12 @@ struct power_supply { size_t num_supplies; struct device_node *of_node; + /* + * Functions for drivers implementing power supply class. + * These shouldn't be called directly by other drivers for accessing + * this power supply. Instead use power_supply_*() functions (for + * example power_supply_get_property()). + */ int (*get_property)(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val); @@ -227,6 +233,7 @@ struct power_supply { struct work_struct changed_work; spinlock_t changed_lock; bool changed; + atomic_t use_cnt; #ifdef CONFIG_THERMAL struct thermal_zone_device *tzd; struct thermal_cooling_device *tcd; @@ -287,6 +294,15 @@ extern int power_supply_is_system_supplied(void); static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } #endif +extern int power_supply_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val); +extern int power_supply_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val); +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); extern int power_supply_register(struct device *parent, struct power_supply *psy, const struct power_supply_config *cfg); |