The CEC device is running at Kodi:
Code
2024-11-23 21:03:58.170 T:140629015250688 WARNING: CPlayerCoreFactory::GetPlayer(VIERA WT50 Series): no such player: VIERA WT50 Series
2024-11-23 21:03:58.170 T:140629015250688 DEBUG: CPlayerCoreConfig::<ctor>: created player VIERA WT50 Series
2024-11-23 21:03:58.584 T:140630441322240 DEBUG: Process - CEC adapter processor thread ended
2024-11-23 21:03:58.584 T:140630441322240 DEBUG: Thread CECAdapter 140630441322240 terminating
2024-11-23 21:03:58.657 T:140628998465280 DEBUG: InitialiseFeature - using libCEC v4.0.4
2024-11-23 21:03:58.657 T:140630441322240 DEBUG: Thread CECAdapter start, auto delete: false
2024-11-23 21:03:58.657 T:140630441322240 DEBUG: OpenConnection - opening a connection to the CEC adapter: /dev/ttyACM0
Maybe you have to reactivate VIERA Link in your TV settings. That's the CEC variant from Panasonic.