From bfeb4471784983af79c076d953ed6382df870176 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 2 Feb 2026 04:43:16 +0100
Subject: [PATCH] [sx127x] Avoid heap allocation for packet trigger (#13698)

---
 esphome/components/sx127x/sx127x.cpp | 2 +-
 esphome/components/sx127x/sx127x.h   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/esphome/components/sx127x/sx127x.cpp b/esphome/components/sx127x/sx127x.cpp
index 3185574b1a..caf68b6d51 100644
--- a/esphome/components/sx127x/sx127x.cpp
+++ b/esphome/components/sx127x/sx127x.cpp
@@ -300,7 +300,7 @@ void SX127x::call_listeners_(const std::vector<uint8_t> &packet, float rssi, flo
   for (auto &listener : this->listeners_) {
     listener->on_packet(packet, rssi, snr);
   }
-  this->packet_trigger_->trigger(packet, rssi, snr);
+  this->packet_trigger_.trigger(packet, rssi, snr);
 }
 
 void SX127x::loop() {
diff --git a/esphome/components/sx127x/sx127x.h b/esphome/components/sx127x/sx127x.h
index 0600b51201..be7b6d8d9f 100644
--- a/esphome/components/sx127x/sx127x.h
+++ b/esphome/components/sx127x/sx127x.h
@@ -83,7 +83,7 @@ class SX127x : public Component,
   void configure();
   SX127xError transmit_packet(const std::vector<uint8_t> &packet);
   void register_listener(SX127xListener *listener) { this->listeners_.push_back(listener); }
-  Trigger<std::vector<uint8_t>, float, float> *get_packet_trigger() const { return this->packet_trigger_; };
+  Trigger<std::vector<uint8_t>, float, float> *get_packet_trigger() { return &this->packet_trigger_; }
 
  protected:
   void configure_fsk_ook_();
@@ -94,7 +94,7 @@ class SX127x : public Component,
   void write_register_(uint8_t reg, uint8_t value);
   void call_listeners_(const std::vector<uint8_t> &packet, float rssi, float snr);
   uint8_t read_register_(uint8_t reg);
-  Trigger<std::vector<uint8_t>, float, float> *packet_trigger_{new Trigger<std::vector<uint8_t>, float, float>()};
+  Trigger<std::vector<uint8_t>, float, float> packet_trigger_;
   std::vector<SX127xListener *> listeners_;
   std::vector<uint8_t> packet_;
   std::vector<uint8_t> sync_value_;