From 6db57677f96e9f2ca0e7f43ada723adbfd030b3c Mon Sep 17 00:00:00 2001
From: Florent de Lamotte <florent@frizoncorrea.fr>
Date: Thu, 4 Dec 2025 12:01:00 +0100
Subject: [PATCH] tracker_l1: enable dc/dc converter

---
 variants/wio-tracker-l1/WioTrackerL1Board.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/variants/wio-tracker-l1/WioTrackerL1Board.cpp b/variants/wio-tracker-l1/WioTrackerL1Board.cpp
index c5c9db65..34d9a874 100644
--- a/variants/wio-tracker-l1/WioTrackerL1Board.cpp
+++ b/variants/wio-tracker-l1/WioTrackerL1Board.cpp
@@ -23,6 +23,15 @@ void WioTrackerL1Board::begin() {
   startup_reason = BD_STARTUP_NORMAL;
   btn_prev_state = HIGH;
 
+  // Enable DC/DC converter for improved power efficiency
+  uint8_t sd_enabled = 0;
+  sd_softdevice_is_enabled(&sd_enabled);
+  if (sd_enabled) {
+    sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
+  } else {
+    NRF_POWER->DCDCEN = 1;
+  }
+
   pinMode(PIN_VBAT_READ, INPUT); // VBAT ADC input
   // Set all button pins to INPUT_PULLUP
   pinMode(PIN_BUTTON1, INPUT_PULLUP);