diff --git a/include/power/max8997_pmic.h b/include/power/max8997_pmic.h
index 1db7deb..03cac04 100644
--- a/include/power/max8997_pmic.h
+++ b/include/power/max8997_pmic.h
@@ -200,4 +200,6 @@
 	EN_LDO = (0x3 << 6),
 };
 
+#define MAX8997_LDO_MAX_VAL 0x3F
+unsigned char max8997_reg_ldo(int uV);
 #endif /* __MAX8997_PMIC_H_ */