Describe Sonos feature switches (#18897)

Co-authored-by: Franck Nijhof <git@frenck.dev>

source/_integrations/sonos.markdown

@@ -25,6 +25,19 @@ The `sonos` integration allows you to control your [Sonos](https://www.sonos.com
 
 {% include integrations/config_flow.md %}
 
+## Feature controls
+
+Speaker-level features are exposed as `switch` entities which allow direct control and indicate if the features are currently enabled.
+
+- **All devices**: Crossfade, Status Light, Touch Controls
+- **Home theater devices**: Night Sound & Speech Enhancement
+
+<div class='note info'>
+  
+The Crossfade, Status Light, and Touch Controls entities are disabled by default, but can be enabled via the Sonos device page.
+  
+</div>
+
 ## Battery support
 
 Battery sensors are fully supported for the `Sonos Roam` and `Sonos Move` devices on S2 firmware. `Sonos Move` speakers still on S1 firmware are supported but may update infrequently.
@@ -181,21 +194,6 @@ Update an existing Sonos alarm.
 | `enabled` | yes | Boolean for whether or not to enable this alarm.
 | `include_linked_zones` | yes | Boolean that defines if the alarm also plays on grouped players.
 
-### Service `sonos.set_option`
-
-Set Sonos speaker options.
-
-Night Sound and Speech Enhancement modes are only supported when playing from the TV source of products like Sonos Playbar and Sonos Beam. Other speaker types will ignore these options.
-
-| Service data attribute | Optional | Description |
-| ---------------------- | -------- | ----------- |
-| `entity_id` | yes | String or list of `entity_id`s that will have their options set.
-| `buttons_enabled` | yes | Boolean to control the functioning of hardware buttons on the device.
-| `crossfade` | yes | Boolean to control crossfading between songs.
-| `night_sound` | yes | Boolean to control Night Sound mode.
-| `speech_enhance` | yes | Boolean to control Speech Enhancement mode.
-| `status_light` | yes | Boolean to control the Status (LED) Light.
-
 ### Service `sonos.play_queue`
 
 Starts playing the Sonos queue.