power: supply: macsmc_power: Use BUIC instead of BRSC for charge

Signed-off-by: Hector Martin <marcan@marcan.st>

Author: marcan

drivers/power/supply/macsmc_power.c

@@ -218,8 +218,8 @@ static int macsmc_battery_get_property(struct power_supply *psy,
 		val->intval = vu16 == 0xffff ? 0 : vu16 * 60;
 		break;
 	case POWER_SUPPLY_PROP_CAPACITY:
-		ret = apple_smc_read_u16(power->smc, SMC_KEY(BRSC), &vu16);
-		val->intval = vu16;
+		ret = apple_smc_read_u8(power->smc, SMC_KEY(BUIC), &vu8);
+		val->intval = vu8;
 		break;
 	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
 		ret = apple_smc_read_u16(power->smc, SMC_KEY(B0AV), &vu16);