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power_supply: Add power_supply_get_by_phandle

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Add method to get power supply by device tree phandle.

Signed-off-by: Sebastian Reichel <sre@debian.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This commit is contained in:
Sebastian Reichel 2013-11-24 17:49:29 +01:00 • committed by Anton Vorontsov
parent 32260308b4
commit abce97708a
2 changed files with 34 additions and 0 deletions
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8
include/linux/power_supply.h
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@ -244,6 +244,14 @@ 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);
extern struct power_supply *power_supply_get_by_name(const char *name);
#ifdef CONFIG_OF
extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
const char *property);
#else /* !CONFIG_OF */
static inline struct power_supply *
power_supply_get_by_phandle(struct device_node *np, const char *property)
{ return NULL; }
#endif /* CONFIG_OF */
extern void power_supply_changed(struct power_supply *psy);
extern int power_supply_am_i_supplied(struct power_supply *psy);
extern int power_supply_set_battery_charged(struct power_supply *psy);