From 8eb229bcf8aa665f1b7f6aa1668aeb616b6b0843 Mon Sep 17 00:00:00 2001
From: Frieder Schrempf <frieder@fris.de>
Date: Tue, 9 Dec 2025 20:58:11 +0100
Subject: [PATCH] variants: RAK4631: Enable DC/DC regulator to reduce power
 consumption

The RAK4631/RAK4630 module are able to use the DC/DC converter. Enable
it to reduce power consumption.

Signed-off-by: Frieder Schrempf <frieder@fris.de>
---
 variants/rak4631/RAK4631Board.cpp | 2 +-
 variants/rak4631/RAK4631Board.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/variants/rak4631/RAK4631Board.cpp b/variants/rak4631/RAK4631Board.cpp
index cb7d1930..65c54711 100644
--- a/variants/rak4631/RAK4631Board.cpp
+++ b/variants/rak4631/RAK4631Board.cpp
@@ -4,7 +4,7 @@
 #include "RAK4631Board.h"
 
 void RAK4631Board::begin() {
-  NRF52Board::begin();
+  NRF52BoardDCDC::begin();
   pinMode(PIN_VBAT_READ, INPUT);
 #ifdef PIN_USER_BTN
   pinMode(PIN_USER_BTN, INPUT_PULLUP);
diff --git a/variants/rak4631/RAK4631Board.h b/variants/rak4631/RAK4631Board.h
index b329cdeb..a181256b 100644
--- a/variants/rak4631/RAK4631Board.h
+++ b/variants/rak4631/RAK4631Board.h
@@ -29,7 +29,7 @@
 #define  PIN_VBAT_READ    5
 #define  ADC_MULTIPLIER   (3 * 1.73 * 1.187 * 1000)
 
-class RAK4631Board : public NRF52BoardOTA {
+class RAK4631Board : public NRF52BoardDCDC, public NRF52BoardOTA {
 public:
   RAK4631Board() : NRF52BoardOTA("RAK4631_OTA") {}
   void begin();