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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 15:52:04 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 15:52:04 +1100
commita02efb906d12c9d4eb2ab7c59049ba9545e5412d (patch)
treebf1f6467978ec63a22f42299ecac2ee7f7e73336 /drivers/power/power_supply_core.c
parent84dfcb4b318463cd4883b6a19937824f49aee564 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadlwn-a02efb906d12c9d4eb2ab7c59049ba9545e5412d.tar.gz
lwn-a02efb906d12c9d4eb2ab7c59049ba9545e5412d.zip
Merge commit 'origin' into master
Manual merge of: arch/powerpc/Kconfig arch/powerpc/include/asm/page.h
Diffstat (limited to 'drivers/power/power_supply_core.c')
-rw-r--r--drivers/power/power_supply_core.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index cb1ccb472921..5520040449c4 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -87,12 +87,36 @@ int power_supply_am_i_supplied(struct power_supply *psy)
return error;
}
+static int __power_supply_is_system_supplied(struct device *dev, void *data)
+{
+ union power_supply_propval ret = {0,};
+ struct power_supply *psy = dev_get_drvdata(dev);
+
+ if (psy->type != POWER_SUPPLY_TYPE_BATTERY) {
+ if (psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &ret))
+ return 0;
+ if (ret.intval)
+ return ret.intval;
+ }
+ return 0;
+}
+
+int power_supply_is_system_supplied(void)
+{
+ int error;
+
+ error = class_for_each_device(power_supply_class, NULL, NULL,
+ __power_supply_is_system_supplied);
+
+ return error;
+}
+
int power_supply_register(struct device *parent, struct power_supply *psy)
{
int rc = 0;
- psy->dev = device_create_drvdata(power_supply_class, parent, 0,
- psy, "%s", psy->name);
+ psy->dev = device_create(power_supply_class, parent, 0, psy,
+ "%s", psy->name);
if (IS_ERR(psy->dev)) {
rc = PTR_ERR(psy->dev);
goto dev_create_failed;
@@ -148,6 +172,7 @@ static void __exit power_supply_class_exit(void)
EXPORT_SYMBOL_GPL(power_supply_changed);
EXPORT_SYMBOL_GPL(power_supply_am_i_supplied);
+EXPORT_SYMBOL_GPL(power_supply_is_system_supplied);
EXPORT_SYMBOL_GPL(power_supply_register);
EXPORT_SYMBOL_GPL(power_supply_unregister);