From 3964f9794b613c8943f2927eaa6c3d661b92c2a2 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 19 Aug 2025 21:35:09 -0500
Subject: [PATCH] [binary_sensor] Convert LOG_BINARY_SENSOR macro to function
 to reduce flash usage (#10294)

---
 esphome/components/binary_sensor/binary_sensor.cpp | 13 +++++++++++++
 esphome/components/binary_sensor/binary_sensor.h   | 11 ++++-------
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/esphome/components/binary_sensor/binary_sensor.cpp b/esphome/components/binary_sensor/binary_sensor.cpp
index 02b83af552..e652d302b6 100644
--- a/esphome/components/binary_sensor/binary_sensor.cpp
+++ b/esphome/components/binary_sensor/binary_sensor.cpp
@@ -7,6 +7,19 @@ namespace binary_sensor {
 
 static const char *const TAG = "binary_sensor";
 
+// Function implementation of LOG_BINARY_SENSOR macro to reduce code size
+void log_binary_sensor(const char *tag, const char *prefix, const char *type, BinarySensor *obj) {
+  if (obj == nullptr) {
+    return;
+  }
+
+  ESP_LOGCONFIG(tag, "%s%s '%s'", prefix, type, obj->get_name().c_str());
+
+  if (!obj->get_device_class().empty()) {
+    ESP_LOGCONFIG(tag, "%s  Device Class: '%s'", prefix, obj->get_device_class().c_str());
+  }
+}
+
 void BinarySensor::publish_state(bool new_state) {
   if (this->filter_list_ == nullptr) {
     this->send_state_internal(new_state);
diff --git a/esphome/components/binary_sensor/binary_sensor.h b/esphome/components/binary_sensor/binary_sensor.h
index d61be7a49b..2bd17d97c9 100644
--- a/esphome/components/binary_sensor/binary_sensor.h
+++ b/esphome/components/binary_sensor/binary_sensor.h
@@ -10,13 +10,10 @@ namespace esphome {
 
 namespace binary_sensor {
 
-#define LOG_BINARY_SENSOR(prefix, type, obj) \
-  if ((obj) != nullptr) { \
-    ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_device_class().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Device Class: '%s'", prefix, (obj)->get_device_class().c_str()); \
-    } \
-  }
+class BinarySensor;
+void log_binary_sensor(const char *tag, const char *prefix, const char *type, BinarySensor *obj);
+
+#define LOG_BINARY_SENSOR(prefix, type, obj) log_binary_sensor(TAG, prefix, LOG_STR_LITERAL(type), obj)
 
 #define SUB_BINARY_SENSOR(name) \
  protected: \