From 71f81d2f18eaef7232433c367083b0d32cfaeb94 Mon Sep 17 00:00:00 2001
From: uae007 <74835465+uae007@users.noreply.github.com>
Date: Thu, 1 May 2025 02:27:59 +0000
Subject: [PATCH] Component pca9685 - phase_begin always set to zero (#8379)

Co-authored-by: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
---
 esphome/components/pca9685/pca9685_output.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/esphome/components/pca9685/pca9685_output.cpp b/esphome/components/pca9685/pca9685_output.cpp
index d92312355a..1998f8d12f 100644
--- a/esphome/components/pca9685/pca9685_output.cpp
+++ b/esphome/components/pca9685/pca9685_output.cpp
@@ -101,8 +101,9 @@ void PCA9685Output::loop() {
     return;
 
   const uint16_t num_channels = this->max_channel_ - this->min_channel_ + 1;
+  const uint16_t phase_delta_begin = 4096 / num_channels;
   for (uint8_t channel = this->min_channel_; channel <= this->max_channel_; channel++) {
-    uint16_t phase_begin = uint16_t(channel - this->min_channel_) / num_channels * 4096;
+    uint16_t phase_begin = (channel - this->min_channel_) * phase_delta_begin;
     uint16_t phase_end;
     uint16_t amount = this->pwm_amounts_[channel];
     if (amount == 0) {