Basic TV/Shield state automation

config/lovelace/advanced_dashboard/09_system.yaml

@@ -79,6 +79,11 @@ cards:
                 tap_action: none
               entities:
                 - automation.tv_join_beam_to_sonos_group_when_off
+                - automation.tv_state_sync_on_tv_on
+                - automation.tv_state_sync_on_tv_off
+                - automation.tv_state_sync_on_shield_on
+                - automation.tv_state_sync_on_shield_off
+                - type: divider
                 - automation.tv_plex_setup_house_for_plex
                 - automation.tv_plex_restore_house_after_plex
                 - automation.youtube_download_latest_pds

config/lovelace/home_dashboard/main_dashboard.yaml

@@ -94,6 +94,8 @@
                   - type: custom:button-card
                     template: default
                     entity: media_player.living_room_tv
+                    tap_action:
+                      action: toggle
                   - type: custom:button-card
                     template: default
                     entity: switch.titanium_power

config/packages/modules/media/tv.yaml

@@ -76,6 +76,45 @@ automation:
         data:
           master: media_player.master_bedroom
           entity_id: media_player.living_room
+  - alias: TV · State · Sync on TV on
+    trigger:
+      platform: state
+      entity_id: media_player.living_room_tv
+      to: "on"
+    action:
+      - service: media_player.turn_on
+        entity_id: media_player.nvidia_shield
+
+  - alias: TV · State · Sync on TV off
+    trigger:
+      platform: state
+      entity_id: media_player.living_room_tv
+      to: "off"
+    action:
+      - service: media_player.turn_off
+        entity_id: media_player.nvidia_shield
+
+  - alias: TV · State · Sync on Shield on
+    trigger:
+      platform: state
+      entity_id: media_player.nvidia_shield
+      from: "off"
+    action:
+      - service: media_player.turn_on
+        entity_id: media_player.living_room_tv
+      - service: media_player.select_source
+        entity_id: media_player.living_room_tv
+        data:
+          source: "Shield"
+
+  - alias: TV · State · Sync on Shield off
+    trigger:
+      platform: state
+      entity_id: media_player.nvidia_shield
+      to: "off"
+    action:
+      - service: media_player.turn_off
+        entity_id: media_player.living_room_tv
 
 homeassistant:
   customize: