From 75ee9a718ac7dd02b445648847229bfcbffe6642 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 2 Feb 2026 04:43:30 +0100
Subject: [PATCH] [sx126x] Avoid heap allocation for packet trigger (#13699)

---
 esphome/components/sx126x/sx126x.cpp | 2 +-
 esphome/components/sx126x/sx126x.h   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/esphome/components/sx126x/sx126x.cpp b/esphome/components/sx126x/sx126x.cpp
index 707d6f1fbf..64cd24b171 100644
--- a/esphome/components/sx126x/sx126x.cpp
+++ b/esphome/components/sx126x/sx126x.cpp
@@ -343,7 +343,7 @@ void SX126x::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 SX126x::loop() {
diff --git a/esphome/components/sx126x/sx126x.h b/esphome/components/sx126x/sx126x.h
index 850d7d4c77..a758d63795 100644
--- a/esphome/components/sx126x/sx126x.h
+++ b/esphome/components/sx126x/sx126x.h
@@ -97,7 +97,7 @@ class SX126x : public Component,
   void configure();
   SX126xError transmit_packet(const std::vector<uint8_t> &packet);
   void register_listener(SX126xListener *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_();
@@ -111,7 +111,7 @@ class SX126x : public Component,
   void read_register_(uint16_t reg, uint8_t *data, uint8_t size);
   void call_listeners_(const std::vector<uint8_t> &packet, float rssi, float snr);
   void wait_busy_();
-  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<SX126xListener *> listeners_;
   std::vector<uint8_t> packet_;
   std::vector<uint8_t> sync_value_;