From 96c442349f10e7d9b4823d684c127a3ef5a41d0e Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Thu, 8 Dec 2022 20:06:02 +0100
Subject: [PATCH] Introduce unit enums for sound pressure (#83450)

* Introduce unit enums for sound pressure

* Adjust based on architecture comment

* Adjust
---
 homeassistant/components/sensor/recorder.py |  2 ++
 homeassistant/const.py                      | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/homeassistant/components/sensor/recorder.py b/homeassistant/components/sensor/recorder.py
index 605030cdf35..e35a7254d5a 100644
--- a/homeassistant/components/sensor/recorder.py
+++ b/homeassistant/components/sensor/recorder.py
@@ -27,6 +27,7 @@ from homeassistant.const import (
     ATTR_UNIT_OF_MEASUREMENT,
     REVOLUTIONS_PER_MINUTE,
     UnitOfIrradiance,
+    UnitOfSoundPressure,
     UnitOfVolume,
 )
 from homeassistant.core import HomeAssistant, State, callback, split_entity_id
@@ -55,6 +56,7 @@ DEFAULT_STATISTICS = {
 
 EQUIVALENT_UNITS = {
     "BTU/(h×ft²)": UnitOfIrradiance.BTUS_PER_HOUR_SQUARE_FOOT,
+    "dBa": UnitOfSoundPressure.WEIGHTED_DECIBEL_A,
     "RPM": REVOLUTIONS_PER_MINUTE,
     "ft3": UnitOfVolume.CUBIC_FEET,
     "m3": UnitOfVolume.CUBIC_METERS,
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 63f09186995..02b4681f3d8 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -702,9 +702,19 @@ PRESSURE_INHG: Final = "inHg"
 PRESSURE_PSI: Final = "psi"
 """Deprecated: please use UnitOfPressure.PSI"""
 
+
 # Sound pressure units
+class UnitOfSoundPressure(StrEnum):
+    """Sound pressure units."""
+
+    DECIBEL = "dB"
+    WEIGHTED_DECIBEL_A = "dBA"
+
+
 SOUND_PRESSURE_DB: Final = "dB"
+"""Deprecated: please use UnitOfSoundPressure.DECIBEL"""
 SOUND_PRESSURE_WEIGHTED_DBA: Final = "dBa"
+"""Deprecated: please use UnitOfSoundPressure.WEIGHTED_DECIBEL_A"""
 
 
 # Volume units