max17042_battery: Export charge termination current property

drivers/power/supply/max17042_battery.c

@@ -78,6 +78,7 @@ static enum power_supply_property max17042_battery_props[] = {
 	POWER_SUPPLY_PROP_CHARGE_FULL,
 	POWER_SUPPLY_PROP_CHARGE_NOW,
 	POWER_SUPPLY_PROP_CHARGE_COUNTER,
+	POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
 	POWER_SUPPLY_PROP_TEMP,
 	POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
 	POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
@@ -412,6 +413,18 @@ static int max17042_get_property(struct power_supply *psy,
 			return -EINVAL;
 		}
 		break;
+	case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+		if (chip->pdata->enable_current_sense) {
+			ret = regmap_read(map, MAX17042_ICHGTerm, &data);
+			if (ret < 0)
+				return ret;
+
+			data64 = data * 1562500ll;
+			val->intval = div_s64(data64, chip->pdata->r_sns);
+		} else {
+			return -EINVAL;
+		}
+		break;
 	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
 		ret = regmap_read(map, MAX17042_TTE, &data);
 		if (ret < 0)
@@ -446,6 +459,14 @@ static int max17042_set_property(struct power_supply *psy,
 		do_div(data64, 5000000ll);
 		ret = regmap_write(map, MAX17042_DesignCap, (u32)data64);
 
+	case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+		ret = regmap_read(map, MAX17042_ICHGTerm, &data);
+		if (ret < 0)
+			return ret;
+
+		data64 = (u64)val->intval * chip->pdata->r_sns;
+		do_div(data64, 1562500ll);
+		ret = regmap_write(map, MAX17042_ICHGTerm, (u32)data64);
 		break;
 	case POWER_SUPPLY_PROP_TEMP_ALERT_MIN:
 		ret = regmap_read(map, MAX17042_TALRT_Th, &data);
@@ -489,6 +510,7 @@ static int max17042_property_is_writeable(struct power_supply *psy,
 
 	switch (psp) {
 	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
+	case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
 	case POWER_SUPPLY_PROP_TEMP_ALERT_MIN:
 	case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
 		ret = 1;