Add class as first positional arg to sensor_schema (#3216)

esphome/components/max31856/sensor.py

@@ -2,7 +2,6 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import sensor, spi
 from esphome.const import (
-    CONF_ID,
     CONF_MAINS_FILTER,
     DEVICE_CLASS_TEMPERATURE,
     STATE_CLASS_MEASUREMENT,
@@ -22,6 +21,7 @@ FILTER = {
 
 CONFIG_SCHEMA = (
     sensor.sensor_schema(
+        MAX31856Sensor,
         unit_of_measurement=UNIT_CELSIUS,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_TEMPERATURE,
@@ -29,7 +29,6 @@ CONFIG_SCHEMA = (
     )
     .extend(
         {
-            cv.GenerateID(): cv.declare_id(MAX31856Sensor),
             cv.Optional(CONF_MAINS_FILTER, default="60HZ"): cv.enum(
                 FILTER, upper=True, space=""
             ),
@@ -41,8 +40,7 @@ CONFIG_SCHEMA = (
 
 
 async def to_code(config):
-    var = cg.new_Pvariable(config[CONF_ID])
+    var = await sensor.new_sensor(config)
     await cg.register_component(var, config)
     await spi.register_spi_device(var, config)
-    await sensor.register_sensor(var, config)
     cg.add(var.set_filter(config[CONF_MAINS_FILTER]))