From 3ba7e4861513bfe835366a3b4c67b8fc40f8dd4b Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Sat, 7 Feb 2026 14:16:08 -0600
Subject: [PATCH] [lps22] Replace set_retry with set_interval to avoid heap
 allocation

set_retry internally does a std::make_shared<RetryArgs>() heap allocation
on every invocation. Replace with set_interval + countdown counter which
avoids this entirely.
---
 esphome/components/lps22/lps22.cpp | 14 ++++++++++----
 esphome/components/lps22/lps22.h   |  5 +++--
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/esphome/components/lps22/lps22.cpp b/esphome/components/lps22/lps22.cpp
index 526286ba72..7fc5774b08 100644
--- a/esphome/components/lps22/lps22.cpp
+++ b/esphome/components/lps22/lps22.cpp
@@ -38,22 +38,29 @@ void LPS22Component::dump_config() {
   LOG_UPDATE_INTERVAL(this);
 }
 
+static constexpr uint32_t INTERVAL_READ = 0;
+
 void LPS22Component::update() {
   uint8_t value = 0x00;
   this->read_register(CTRL_REG2, &value, 1);
   value |= CTRL_REG2_ONE_SHOT_MASK;
   this->write_register(CTRL_REG2, &value, 1);
-  this->set_retry(READ_INTERVAL, READ_ATTEMPTS, [this](uint8_t _) { return this->try_read_(); });
+  this->read_attempts_remaining_ = READ_ATTEMPTS;
+  this->set_interval(INTERVAL_READ, READ_INTERVAL, [this]() { this->try_read_(); });
 }
 
-RetryResult LPS22Component::try_read_() {
+void LPS22Component::try_read_() {
   uint8_t value = 0x00;
   this->read_register(STATUS, &value, 1);
   const uint8_t expected_status_mask = STATUS_T_DA_MASK | STATUS_P_DA_MASK;
   if ((value & expected_status_mask) != expected_status_mask) {
     ESP_LOGD(TAG, "STATUS not ready: %x", value);
-    return RetryResult::RETRY;
+    if (--this->read_attempts_remaining_ == 0) {
+      this->cancel_interval(INTERVAL_READ);
+    }
+    return;
   }
+  this->cancel_interval(INTERVAL_READ);
 
   if (this->temperature_sensor_ != nullptr) {
     uint8_t t_buf[2]{0};
@@ -68,7 +75,6 @@ RetryResult LPS22Component::try_read_() {
     uint32_t p_lsb = encode_uint24(p_buf[2], p_buf[1], p_buf[0]);
     this->pressure_sensor_->publish_state(PRESSURE_SCALE * static_cast<float>(p_lsb));
   }
-  return RetryResult::DONE;
 }
 
 }  // namespace lps22
diff --git a/esphome/components/lps22/lps22.h b/esphome/components/lps22/lps22.h
index 549ea524ea..95ee4ad442 100644
--- a/esphome/components/lps22/lps22.h
+++ b/esphome/components/lps22/lps22.h
@@ -17,10 +17,11 @@ class LPS22Component : public sensor::Sensor, public PollingComponent, public i2
   void dump_config() override;
 
  protected:
+  void try_read_();
+
   sensor::Sensor *temperature_sensor_{nullptr};
   sensor::Sensor *pressure_sensor_{nullptr};
-
-  RetryResult try_read_();
+  uint8_t read_attempts_remaining_{0};
 };
 
 }  // namespace lps22