regulator: fix enabling regulator issue on max8925

Fix regulator enabling issue that is caused by typo error in is_enabled().

Signed-off-by: Haojian Zhuang <[email protected]>
Acked-by: Mark Brown <[email protected]>
Signed-off-by: Liam Girdwood <[email protected]>
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index b6218f1..552cad8 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -109,7 +109,7 @@
 	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
 	int ret;
 
-	ret = max8925_reg_read(info->i2c, info->vol_reg);
+	ret = max8925_reg_read(info->i2c, info->enable_reg);
 	if (ret < 0)
 		return ret;