diff options
Diffstat (limited to 'include/linux/power_supply.h')
| -rw-r--r-- | include/linux/power_supply.h | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 7ae60346465f..ea15eb68f609 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -13,6 +13,7 @@ #ifndef __LINUX_POWER_SUPPLY_H__ #define __LINUX_POWER_SUPPLY_H__ +#include <linux/device.h> #include <linux/workqueue.h> #include <linux/leds.h> #include <linux/spinlock.h> @@ -173,10 +174,10 @@ union power_supply_propval { const char *strval; }; -struct device; struct device_node; +struct power_supply; -/* Power supply instance specific configuration */ +/* Run-time specific power supply configuration */ struct power_supply_config { struct device_node *of_node; /* Driver private data */ @@ -186,19 +187,13 @@ struct power_supply_config { size_t num_supplicants; }; -struct power_supply { +/* Description of power supply */ +struct power_supply_desc { const char *name; enum power_supply_type type; enum power_supply_property *properties; size_t num_properties; - char **supplied_to; - size_t num_supplicants; - - char **supplied_from; - 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 @@ -224,12 +219,23 @@ struct power_supply { bool no_thermal; /* For APM emulation, think legacy userspace. */ int use_for_apm; +}; + +struct power_supply { + const struct power_supply_desc *desc; + + char **supplied_to; + size_t num_supplicants; + + char **supplied_from; + size_t num_supplies; + struct device_node *of_node; /* Driver private data */ void *drv_data; /* private */ - struct device *dev; + struct device dev; struct work_struct changed_work; spinlock_t changed_lock; bool changed; @@ -303,17 +309,22 @@ extern int power_supply_set_property(struct power_supply *psy, 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, + +extern struct power_supply *__must_check +power_supply_register(struct device *parent, + const struct power_supply_desc *desc, const struct power_supply_config *cfg); -extern int power_supply_register_no_ws(struct device *parent, - struct power_supply *psy, +extern struct power_supply *__must_check +power_supply_register_no_ws(struct device *parent, + const struct power_supply_desc *desc, const struct power_supply_config *cfg); -extern int devm_power_supply_register(struct device *parent, - struct power_supply *psy, +extern struct power_supply *__must_check +devm_power_supply_register(struct device *parent, + const struct power_supply_desc *desc, const struct power_supply_config *cfg); -extern int devm_power_supply_register_no_ws(struct device *parent, - struct power_supply *psy, +extern struct power_supply *__must_check +devm_power_supply_register_no_ws(struct device *parent, + const struct power_supply_desc *desc, const struct power_supply_config *cfg); extern void power_supply_unregister(struct power_supply *psy); extern int power_supply_powers(struct power_supply *psy, struct device *dev); |