power: generic-adc-battery: Fix power_supply_property returned value

The POWER_SUPPLY_PROP_STATUS case in gab_get_property() wasn't providing any
value.

Signed-off-by: Nicolas Saenz Julienne <nicolassaenzj@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
diff --git a/drivers/power/generic-adc-battery.c b/drivers/power/generic-adc-battery.c
index d72733e..0a566ac 100644
--- a/drivers/power/generic-adc-battery.c
+++ b/drivers/power/generic-adc-battery.c
@@ -159,7 +159,7 @@
 
 	switch (psp) {
 	case POWER_SUPPLY_PROP_STATUS:
-		gab_get_status(adc_bat);
+		val->intval = gab_get_status(adc_bat);
 		break;
 	case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
 		val->intval = 0;