From a01fea54a03e26ce265cd44780c6166d73973a28 Mon Sep 17 00:00:00 2001
From: Keith Burzinski <kbx81x@gmail.com>
Date: Sat, 24 Aug 2024 02:32:08 -0500
Subject: [PATCH] [ledc] Tweak fix in #6997 (#7336)

---
 esphome/components/ledc/ledc_output.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/esphome/components/ledc/ledc_output.cpp b/esphome/components/ledc/ledc_output.cpp
index 90e11fe4ad..7f91eb2d7a 100644
--- a/esphome/components/ledc/ledc_output.cpp
+++ b/esphome/components/ledc/ledc_output.cpp
@@ -8,6 +8,8 @@
 #endif
 #include <driver/ledc.h>
 
+#include <cinttypes>
+
 #define CLOCK_FREQUENCY 80e6f
 
 #ifdef USE_ARDUINO
@@ -120,13 +122,17 @@ void LEDCOutput::write_state(float state) {
   ledcWrite(this->channel_, duty);
 #endif
 #ifdef USE_ESP_IDF
+#if !defined(USE_ESP32_VARIANT_ESP32C3) || (ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 1, 0))
   // ensure that 100% on is not 99.975% on
+  // note: on the C3, this tweak will result in the outputs turning off at 100%, so it has been omitted
   if ((duty == max_duty) && (max_duty != 1)) {
     duty = max_duty + 1;
   }
+#endif
   auto speed_mode = get_speed_mode(channel_);
   auto chan_num = static_cast<ledc_channel_t>(channel_ % 8);
   int hpoint = ledc_angle_to_htop(this->phase_angle_, this->bit_depth_);
+  ESP_LOGV(TAG, "Setting duty: %" PRIu32 " on channel %u", duty, this->channel_);
   ledc_set_duty_with_hpoint(speed_mode, chan_num, duty, hpoint);
   ledc_update_duty(speed_mode, chan_num);
 #endif