Add xiaomi miio airpurifier 4 led brightness (#78793)
Add xiaomi miio airpurifier 4 led brightness (#78793)

Fixed Led Brightness not available
mezz64/home-assistant,w1ll1am23/home-assistant,mezz64/home-assistant,nkgilley/home-assistant,w1ll1am23/home-assistant,nkgilley/home-assistant