regulator: qpnp-lcdb: Disable step voltage ramp for PM8150L V3

The S/W work around to program the LCDB voltage in 500 mV steps
is required only for PM8150L version < V3. So, ignore this W/A
for the PM8150L V3 and above.

Change-Id: Iaaf15062a19c5f6ae492f949d721a991e5b46669
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>

drivers/regulator/qpnp-lcdb-regulator.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -2092,7 +2092,12 @@ static void qpnp_lcdb_pmic_config(struct qpnp_lcdb *lcdb)
 			lcdb->wa_flags |= NCP_SCP_DISABLE_WA;
 		break;
 	case PMI632_SUBTYPE:
-	case PM6150L_SUBTYPE:
+		lcdb->wa_flags |= FORCE_PD_ENABLE_WA;
+		break;
+	case PM8150L_SUBTYPE:
+		if (lcdb->pmic_rev_id->rev4 >= PM8150L_V3P0_REV4)
+			lcdb->voltage_step_ramp = false;
+
 		lcdb->wa_flags |= FORCE_PD_ENABLE_WA;
 		break;
 	default: