C++ (Cpp) power_supply_create_triggers示例

示例#1

文件： power_supply_core.c 项目： Tigrouzen/k1099

int power_supply_register(struct device *parent, struct power_supply *psy)
{
	int rc = 0;

	psy->dev = device_create(power_supply_class, parent, 0,
				 "%s", psy->name);
	if (IS_ERR(psy->dev)) {
		rc = PTR_ERR(psy->dev);
		goto dev_create_failed;
	}

	dev_set_drvdata(psy->dev, psy);

	INIT_WORK(&psy->changed_work, power_supply_changed_work);

	rc = power_supply_create_attrs(psy);
	if (rc)
		goto create_attrs_failed;

	rc = power_supply_create_triggers(psy);
	if (rc)
		goto create_triggers_failed;

	power_supply_changed(psy);

	goto success;

create_triggers_failed:
	power_supply_remove_attrs(psy);
create_attrs_failed:
	device_unregister(psy->dev);
dev_create_failed:
success:
	return rc;
}

示例#2

int power_supply_register(struct device *parent, struct power_supply *psy)
{
	int rc = 0;

	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;
	}

	INIT_WORK(&psy->changed_work, power_supply_changed_work);
	spin_lock_init(&psy->changed_lock);
	wake_lock_init(&psy->work_wake_lock, WAKE_LOCK_SUSPEND, "power-supply");

	rc = power_supply_create_attrs(psy);
	if (rc)
		goto create_attrs_failed;

	rc = power_supply_create_triggers(psy);
	if (rc)
		goto create_triggers_failed;

	power_supply_changed(psy);

	goto success;

create_triggers_failed:
	power_supply_remove_attrs(psy);
create_attrs_failed:
	wake_lock_destroy(&psy->work_wake_lock);
	device_unregister(psy->dev);
dev_create_failed:
success:
	return rc;
}