From e57b3e8b054821284c26b397410eea8ec0024cb7 Mon Sep 17 00:00:00 2001
From: Jason2866 <24528715+Jason2866@users.noreply.github.com>
Date: Thu, 9 Jan 2025 18:55:57 +0100
Subject: [PATCH] prepare for IDF 5.4 based Arduino (#22793)

---
 lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp b/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp
index 21bdc542e..40a55cf83 100644
--- a/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp
+++ b/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp
@@ -315,6 +315,9 @@ int32_t analogAttach(uint32_t pin, bool output_invert) {    // returns ledc chan
       (ledc_timer_t)timer,        // timer_sel
       0,            // duty
       0,            // hpoint
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 4, 0)
+      (ledc_sleep_mode_t) 2,
+#endif
       { output_invert ? 1u : 0u },// output_invert
   };
   ledc_channel_config(&ledc_channel);