From e90ba4055385dc5f705d95e25b4836e49ddeb9b4 Mon Sep 17 00:00:00 2001
From: Andre Lengwenus <alengwenus@gmail.com>
Date: Sat, 5 Apr 2025 20:48:16 +0200
Subject: [PATCH] Add SensorDeviceClass and unit for LCN CO2 sensor. (#142320)

Add SesnorDeviceClass and unit for LCN CO2 sensor.
---
 homeassistant/components/lcn/sensor.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/homeassistant/components/lcn/sensor.py b/homeassistant/components/lcn/sensor.py
index 7783df8679a..0c78ea6637a 100644
--- a/homeassistant/components/lcn/sensor.py
+++ b/homeassistant/components/lcn/sensor.py
@@ -13,6 +13,7 @@ from homeassistant.components.sensor import (
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
+    CONCENTRATION_PARTS_PER_MILLION,
     CONF_DOMAIN,
     CONF_ENTITIES,
     CONF_SOURCE,
@@ -49,6 +50,7 @@ DEVICE_CLASS_MAPPING = {
     pypck.lcn_defs.VarUnit.METERPERSECOND: SensorDeviceClass.SPEED,
     pypck.lcn_defs.VarUnit.VOLT: SensorDeviceClass.VOLTAGE,
     pypck.lcn_defs.VarUnit.AMPERE: SensorDeviceClass.CURRENT,
+    pypck.lcn_defs.VarUnit.PPM: SensorDeviceClass.CO2,
 }
 
 UNIT_OF_MEASUREMENT_MAPPING = {
@@ -60,6 +62,7 @@ UNIT_OF_MEASUREMENT_MAPPING = {
     pypck.lcn_defs.VarUnit.METERPERSECOND: UnitOfSpeed.METERS_PER_SECOND,
     pypck.lcn_defs.VarUnit.VOLT: UnitOfElectricPotential.VOLT,
     pypck.lcn_defs.VarUnit.AMPERE: UnitOfElectricCurrent.AMPERE,
+    pypck.lcn_defs.VarUnit.PPM: CONCENTRATION_PARTS_PER_MILLION,
 }