From 27ea1a90e32de2e8ea30eb553700de38822e9773 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Fri, 25 Sep 2026 20:56:31 +0100
Subject: [PATCH] [hub75] Use register_apply_action for hub75.set_brightness
 (#19677)

---
 esphome/components/hub75/display.py        | 20 +++-----------------
 esphome/components/hub75/hub75_component.h |  8 --------
 2 files changed, 3 insertions(+), 25 deletions(-)

diff --git a/esphome/components/hub75/display.py b/esphome/components/hub75/display.py
index 3522acf049..08d068d0f0 100644
--- a/esphome/components/hub75/display.py
+++ b/esphome/components/hub75/display.py
@@ -18,8 +18,7 @@ from esphome.const import (
     CONF_ROTATION,
     CONF_UPDATE_INTERVAL,
 )
-from esphome.core import ID, EnumValue
-from esphome.cpp_generator import MockObj, TemplateArgsType
+from esphome.core import EnumValue
 import esphome.final_validate as fv
 from esphome.helpers import add_class_to_obj
 from esphome.types import ConfigType
@@ -167,7 +166,6 @@ ROTATIONS = {
 HUB75Display = hub75_ns.class_("HUB75Display", cg.PollingComponent, display.Display)
 Hub75Config = cg.global_ns.struct("Hub75Config")
 Hub75Pins = cg.global_ns.struct("Hub75Pins")
-SetBrightnessAction = hub75_ns.class_("SetBrightnessAction", automation.Action)
 
 
 def _merge_board_pins(config: ConfigType) -> ConfigType:
@@ -619,9 +617,8 @@ async def to_code(config: ConfigType) -> None:
         cg.add(var.set_writer(lambda_))
 
 
-@automation.register_action(
+automation.register_apply_action(
     "hub75.set_brightness",
-    SetBrightnessAction,
     cv.maybe_simple_value(
         {
             cv.GenerateID(): cv.use_id(HUB75Display),
@@ -629,16 +626,5 @@ async def to_code(config: ConfigType) -> None:
         },
         key=CONF_BRIGHTNESS,
     ),
-    synchronous=True,
+    automation.ApplyField(CONF_BRIGHTNESS, "set_brightness", cg.uint8),
 )
-async def hub75_set_brightness_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_ID])
-    template_ = await cg.templatable(config[CONF_BRIGHTNESS], args, cg.uint8)
-    cg.add(var.set_brightness(template_))
-    return var
diff --git a/esphome/components/hub75/hub75_component.h b/esphome/components/hub75/hub75_component.h
index 98bc2e52e6..dbadc56c9d 100644
--- a/esphome/components/hub75/hub75_component.h
+++ b/esphome/components/hub75/hub75_component.h
@@ -5,7 +5,6 @@
 #include <utility>
 
 #include "esphome/components/display/display_buffer.h"
-#include "esphome/core/automation.h"
 #include "esphome/core/component.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/log.h"
@@ -51,13 +50,6 @@ class HUB75Display final : public display::Display {
   bool enabled_{false};
 };
 
-template<typename... Ts> class SetBrightnessAction final : public Action<Ts...>, public Parented<HUB75Display> {
- public:
-  TEMPLATABLE_VALUE(uint8_t, brightness)
-
-  void play(const Ts &...x) override { this->parent_->set_brightness(this->brightness_.value(x...)); }
-};
-
 }  // namespace esphome::hub75
 
 #endif