From 35bfc9f069fdabcc7d5575aed87ba960586f1b7c Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 17 Jun 2025 13:41:57 +0200
Subject: [PATCH] tweak

---
 esphome/components/gpio/binary_sensor/gpio_binary_sensor.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/esphome/components/gpio/binary_sensor/gpio_binary_sensor.h b/esphome/components/gpio/binary_sensor/gpio_binary_sensor.h
index 304ba465e9..17f7b4eb19 100644
--- a/esphome/components/gpio/binary_sensor/gpio_binary_sensor.h
+++ b/esphome/components/gpio/binary_sensor/gpio_binary_sensor.h
@@ -16,7 +16,8 @@ class GPIOBinarySensorStore {
   static void gpio_intr(GPIOBinarySensorStore *arg);
 
   bool get_state() const {
-    InterruptLock lock;
+    // No lock needed: state_ is atomically updated by ISR
+    // Volatile ensures we read the latest value
     return this->state_;
   }