power: supply: sc27xx: Add POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN attribute

Add POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN attribute to provide the battery's
design capacity for charger manager to calculate the charging counter.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/sc27xx_fuel_gauge.c

@@ -587,6 +587,10 @@ static int sc27xx_fgu_get_property(struct power_supply *psy,
 		val->intval = value * 1000;
 		break;
 
+	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
+		val->intval = data->total_cap * 1000;
+		break;
+
 	default:
 		ret = -EINVAL;
 		break;
@@ -644,6 +648,7 @@ static enum power_supply_property sc27xx_fgu_props[] = {
 	POWER_SUPPLY_PROP_CURRENT_NOW,
 	POWER_SUPPLY_PROP_CURRENT_AVG,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
+	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
 };
 
 static const struct power_supply_desc sc27xx_fgu_desc = {