Do not fail MQTT setup if switches configured via yaml can't be validated (#102320)

Add switch

homeassistant/components/mqtt/switch.py

@@ -2,7 +2,6 @@
 from __future__ import annotations
 
 from collections.abc import Callable
-import functools
 from typing import Any
 
 import voluptuous as vol
@@ -24,7 +23,7 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.restore_state import RestoreEntity
 from homeassistant.helpers.service_info.mqtt import ReceivePayloadType
-from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
+from homeassistant.helpers.typing import ConfigType
 
 from . import subscription
 from .config import MQTT_RW_SCHEMA
@@ -40,7 +39,7 @@ from .debug_info import log_messages
 from .mixins import (
     MQTT_ENTITY_COMMON_SCHEMA,
     MqttEntity,
-    async_setup_entry_helper,
+    async_mqtt_entry_helper,
     write_state_on_attr_change,
 )
 from .models import MqttValueTemplate, ReceiveMessage
@@ -72,21 +71,15 @@ async def async_setup_entry(
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up MQTT switch through YAML and through MQTT discovery."""
-    setup = functools.partial(
-        _async_setup_entity, hass, async_add_entities, config_entry=config_entry
+    await async_mqtt_entry_helper(
+        hass,
+        config_entry,
+        MqttSwitch,
+        switch.DOMAIN,
+        async_add_entities,
+        DISCOVERY_SCHEMA,
+        PLATFORM_SCHEMA_MODERN,
     )
-    await async_setup_entry_helper(hass, switch.DOMAIN, setup, DISCOVERY_SCHEMA)
-
-
-async def _async_setup_entity(
-    hass: HomeAssistant,
-    async_add_entities: AddEntitiesCallback,
-    config: ConfigType,
-    config_entry: ConfigEntry,
-    discovery_data: DiscoveryInfoType | None = None,
-) -> None:
-    """Set up the MQTT switch."""
-    async_add_entities([MqttSwitch(hass, config, config_entry, discovery_data)])
 
 
 class MqttSwitch(MqttEntity, SwitchEntity, RestoreEntity):