From 2f4eb3e1eea425d415b47e2f7054a2e21652588c Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sat, 26 Sep 2026 01:28:40 +0100
Subject: [PATCH] [audio_adc] Use register_apply_action for
 audio_adc.set_mic_gain (#19679)

---
 esphome/components/audio_adc/__init__.py  | 25 ++++-------------------
 esphome/components/audio_adc/automation.h | 21 -------------------
 2 files changed, 4 insertions(+), 42 deletions(-)
 delete mode 100644 esphome/components/audio_adc/automation.h

diff --git a/esphome/components/audio_adc/__init__.py b/esphome/components/audio_adc/__init__.py
index c2bdfb6cb0..7d4b51db04 100644
--- a/esphome/components/audio_adc/__init__.py
+++ b/esphome/components/audio_adc/__init__.py
@@ -1,9 +1,8 @@
 from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, CONF_MIC_GAIN
-from esphome.core import ID, CoroPriority, coroutine_with_priority
-from esphome.cpp_generator import MockObj, TemplateArgsType
+from esphome.const import CONF_MIC_GAIN
+from esphome.core import CoroPriority, coroutine_with_priority
 from esphome.types import ConfigType
 
 CODEOWNERS = ["@kbx81"]
@@ -12,8 +11,6 @@ IS_PLATFORM_COMPONENT = True
 audio_adc_ns = cg.esphome_ns.namespace("audio_adc")
 AudioAdc = audio_adc_ns.class_("AudioAdc")
 
-SetMicGainAction = audio_adc_ns.class_("SetMicGainAction", automation.Action)
-
 
 SET_MIC_GAIN_ACTION_SCHEMA = cv.maybe_simple_value(
     {
@@ -24,25 +21,11 @@ SET_MIC_GAIN_ACTION_SCHEMA = cv.maybe_simple_value(
 )
 
 
-@automation.register_action(
+automation.register_apply_action(
     "audio_adc.set_mic_gain",
-    SetMicGainAction,
     SET_MIC_GAIN_ACTION_SCHEMA,
-    synchronous=True,
+    automation.ApplyField(CONF_MIC_GAIN, "set_mic_gain", cg.float_),
 )
-async def audio_adc_set_mic_gain_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
-    paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-
-    template_ = await cg.templatable(config.get(CONF_MIC_GAIN), args, cg.float_)
-    cg.add(var.set_mic_gain(template_))
-
-    return var
 
 
 @coroutine_with_priority(CoroPriority.CORE)
diff --git a/esphome/components/audio_adc/automation.h b/esphome/components/audio_adc/automation.h
deleted file mode 100644
index fc7af25622..0000000000
--- a/esphome/components/audio_adc/automation.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#pragma once
-
-#include "esphome/core/automation.h"
-#include "esphome/core/component.h"
-#include "audio_adc.h"
-
-namespace esphome::audio_adc {
-
-template<typename... Ts> class SetMicGainAction final : public Action<Ts...> {
- public:
-  explicit SetMicGainAction(AudioAdc *audio_adc) : audio_adc_(audio_adc) {}
-
-  TEMPLATABLE_VALUE(float, mic_gain)
-
-  void play(const Ts &...x) override { this->audio_adc_->set_mic_gain(this->mic_gain_.value(x...)); }
-
- protected:
-  AudioAdc *audio_adc_;
-};
-
-}  // namespace esphome::audio_adc