From b59518f6ab7fc44cbba5d69955f53bb5f8d435ae Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Thu, 24 Sep 2026 14:28:29 +0100
Subject: [PATCH] [remote_transmitter] Use register_apply_action for the
 digital_write action (#19550)

---
 .../components/remote_transmitter/__init__.py | 25 +++----------------
 .../remote_transmitter/automation.h           | 17 -------------
 .../remote_transmitter/common-buttons.yaml    |  3 +++
 3 files changed, 7 insertions(+), 38 deletions(-)
 delete mode 100644 esphome/components/remote_transmitter/automation.h

diff --git a/esphome/components/remote_transmitter/__init__.py b/esphome/components/remote_transmitter/__init__.py
index 58392c48ab..68eac315d5 100644
--- a/esphome/components/remote_transmitter/__init__.py
+++ b/esphome/components/remote_transmitter/__init__.py
@@ -20,8 +20,7 @@ from esphome.const import (
     CONF_VALUE,
     PlatformFramework,
 )
-from esphome.core import CORE, ID
-from esphome.cpp_generator import MockObj, TemplateArgsType
+from esphome.core import CORE
 from esphome.types import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
@@ -38,11 +37,6 @@ remote_transmitter_ns = cg.esphome_ns.namespace("remote_transmitter")
 RemoteTransmitterComponent = remote_transmitter_ns.class_(
     "RemoteTransmitterComponent", remote_base.RemoteTransmitterBase, cg.Component
 )
-DigitalWriteAction = remote_transmitter_ns.class_(
-    "DigitalWriteAction",
-    automation.Action,
-    cg.Parented.template(RemoteTransmitterComponent),
-)
 
 
 # Keep in sync with the USE_LIBRETINY_VARIANT_RTL8720C / REMOTE_TRANSMITTER_BK_PWM gates in
@@ -138,23 +132,12 @@ DIGITAL_WRITE_ACTION_SCHEMA = cv.maybe_simple_value(
 )
 
 
-@automation.register_action(
+automation.register_apply_action(
     "remote_transmitter.digital_write",
-    DigitalWriteAction,
     DIGITAL_WRITE_ACTION_SCHEMA,
-    synchronous=True,
+    automation.ApplyField(CONF_VALUE, "digital_write", cg.bool_),
+    id_key=CONF_TRANSMITTER_ID,
 )
-async def digital_write_action_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
-    var = cg.new_Pvariable(action_id, template_arg)
-    await cg.register_parented(var, config[CONF_TRANSMITTER_ID])
-    template_ = await cg.templatable(config[CONF_VALUE], args, cg.bool_)
-    cg.add(var.set_value(template_))
-    return var
 
 
 async def to_code(config: ConfigType) -> None:
diff --git a/esphome/components/remote_transmitter/automation.h b/esphome/components/remote_transmitter/automation.h
deleted file mode 100644
index a1b0926451..0000000000
--- a/esphome/components/remote_transmitter/automation.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma once
-
-#include "esphome/components/remote_transmitter/remote_transmitter.h"
-#include "esphome/core/automation.h"
-#include "esphome/core/component.h"
-#include "esphome/core/helpers.h"
-
-namespace esphome::remote_transmitter {
-
-template<typename... Ts>
-class DigitalWriteAction final : public Action<Ts...>, public Parented<RemoteTransmitterComponent> {
- public:
-  TEMPLATABLE_VALUE(bool, value)
-  void play(const Ts &...x) override { this->parent_->digital_write(this->value_.value(x...)); }
-};
-
-}  // namespace esphome::remote_transmitter
diff --git a/tests/components/remote_transmitter/common-buttons.yaml b/tests/components/remote_transmitter/common-buttons.yaml
index 981946a9a4..1f98646d93 100644
--- a/tests/components/remote_transmitter/common-buttons.yaml
+++ b/tests/components/remote_transmitter/common-buttons.yaml
@@ -275,3 +275,6 @@ button:
       - remote_transmitter.digital_write: true
       - remote_transmitter.digital_write:
           value: false
+      - remote_transmitter.digital_write:
+          transmitter_id: xmitr
+          value: !lambda return id(remote_transmitter_test_number).state > 127;