power: supply: axp20x_usb_power: Use scaled iio_read_channel

Change iio_read_channel_processed to iio_read_channel_processed_scale
where appropriate.

Signed-off-by: Chris Morgan <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Sebastian Reichel <[e-mail]>

drivers/power/supply/axp20x_usb_power.c

···
 		return 0;
 	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
 		if (IS_ENABLED(CONFIG_AXP20X_ADC)) {
-			ret = iio_read_channel_processed(power->vbus_v,
-							 &val->intval);
-			if (ret)
-				return ret;
-
 			/*
 			 * IIO framework gives mV but Power Supply framework
 			 * gives uV.
 			 */
-			val->intval *= 1000;
+			ret = iio_read_channel_processed_scale(power->vbus_v,
+							       &val->intval, 1000);
+			if (ret)
+				return ret;
+
 			return 0;
 		}
 
···
 		return 0;
 	case POWER_SUPPLY_PROP_CURRENT_NOW:
 		if (IS_ENABLED(CONFIG_AXP20X_ADC)) {
-			ret = iio_read_channel_processed(power->vbus_i,
-							 &val->intval);
-			if (ret)
-				return ret;
-
 			/*
 			 * IIO framework gives mA but Power Supply framework
 			 * gives uA.
 			 */
-			val->intval *= 1000;
+			ret = iio_read_channel_processed_scale(power->vbus_i,
+							       &val->intval, 1000);
+			if (ret)
+				return ret;
+
 			return 0;
 		}
 
···
 		break;
 	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
 		if (IS_ENABLED(CONFIG_AXP20X_ADC)) {
-			ret = iio_read_channel_processed(power->vbus_v,
-							 &val->intval);
-			if (ret)
-				return ret;
-
 			/*
 			 * IIO framework gives mV but Power Supply framework
 			 * gives uV.
 			 */
-			val->intval *= 1000;
+			ret = iio_read_channel_processed_scale(power->vbus_v,
+							       &val->intval, 1000);
+			if (ret)
+				return ret;
+
 			return 0;
 		}