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-rw-r--r--drivers/power/power_supply_core.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 12cd6e36ff1d..cce75b40b435 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -116,6 +116,34 @@ int power_supply_is_system_supplied(void)
116} 116}
117EXPORT_SYMBOL_GPL(power_supply_is_system_supplied); 117EXPORT_SYMBOL_GPL(power_supply_is_system_supplied);
118 118
119int power_supply_set_battery_charged(struct power_supply *psy)
120{
121 if (psy->type == POWER_SUPPLY_TYPE_BATTERY && psy->set_charged) {
122 psy->set_charged(psy);
123 return 0;
124 }
125
126 return -EINVAL;
127}
128EXPORT_SYMBOL_GPL(power_supply_set_battery_charged);
129
130static int power_supply_match_device_by_name(struct device *dev, void *data)
131{
132 const char *name = data;
133 struct power_supply *psy = dev_get_drvdata(dev);
134
135 return strcmp(psy->name, name) == 0;
136}
137
138struct power_supply *power_supply_get_by_name(char *name)
139{
140 struct device *dev = class_find_device(power_supply_class, NULL, name,
141 power_supply_match_device_by_name);
142
143 return dev ? dev_get_drvdata(dev) : NULL;
144}
145EXPORT_SYMBOL_GPL(power_supply_get_by_name);
146
119int power_supply_register(struct device *parent, struct power_supply *psy) 147int power_supply_register(struct device *parent, struct power_supply *psy)
120{ 148{
121 int rc = 0; 149 int rc = 0;