From 2388eb91ae6168ecf25c086abd6d856bfee2c8b3 Mon Sep 17 00:00:00 2001
From: todd-herbert <herbert.todd@gmail.com>
Date: Tue, 14 May 2024 23:46:03 +1200
Subject: [PATCH] Fix immediate wake from deepsleep for some devices (#3884)

Affects ESP32 boards without an external pull-up on the defined user-button pin.
---
 src/sleep.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sleep.cpp b/src/sleep.cpp
index fe73a755c..590610e6c 100644
--- a/src/sleep.cpp
+++ b/src/sleep.cpp
@@ -264,7 +264,11 @@ void doDeepSleep(uint32_t msecToWake, bool skipPreflight = false)
 #ifdef BUTTON_PIN
     // Avoid leakage through button pin
     if (GPIO_IS_VALID_OUTPUT_GPIO(BUTTON_PIN)) {
+#ifdef BUTTON_NEED_PULLUP
+        pinMode(BUTTON_PIN, INPUT_PULLUP);
+#else
         pinMode(BUTTON_PIN, INPUT);
+#endif
         gpio_hold_en((gpio_num_t)BUTTON_PIN);
     }
 #endif