Set volume_step in sonos media_player (#105671)

homeassistant/components/sonos/media_player.py

@@ -67,7 +67,6 @@ _LOGGER = logging.getLogger(__name__)
 
 LONG_SERVICE_TIMEOUT = 30.0
 UNJOIN_SERVICE_TIMEOUT = 0.1
-VOLUME_INCREMENT = 2
 
 REPEAT_TO_SONOS = {
     RepeatMode.OFF: False,
@@ -212,6 +211,7 @@ class SonosMediaPlayerEntity(SonosEntity, MediaPlayerEntity):
     )
     _attr_media_content_type = MediaType.MUSIC
     _attr_device_class = MediaPlayerDeviceClass.SPEAKER
+    _attr_volume_step = 2 / 100
 
     def __init__(self, speaker: SonosSpeaker) -> None:
         """Initialize the media player entity."""
@@ -373,16 +373,6 @@ class SonosMediaPlayerEntity(SonosEntity, MediaPlayerEntity):
         """Name of the current input source."""
         return self.media.source_name or None
 
-    @soco_error()
-    def volume_up(self) -> None:
-        """Volume up media player."""
-        self.soco.volume += VOLUME_INCREMENT
-
-    @soco_error()
-    def volume_down(self) -> None:
-        """Volume down media player."""
-        self.soco.volume -= VOLUME_INCREMENT
-
     @soco_error()
     def set_volume_level(self, volume: float) -> None:
         """Set volume level, range 0..1."""