Seems like CEC adapter starts fine:
Code
2021-10-05 12:11:49.528 T:926 DEBUG <general>: GetMappingForDevice - device (0000:0000) mapped to CEC Adapter (type = cec)
2021-10-05 12:11:49.532 T:926 DEBUG <general>: InitialiseFeature - using libCEC v4.0.7
2021-10-05 12:11:49.533 T:936 DEBUG <general>: Thread CECAdapter start, auto delete: false
2021-10-05 12:11:49.533 T:926 DEBUG <general>: Initialise - initialised peripheral on 'Linux' with 2 features and 0 sub devices
2021-10-05 12:11:49.533 T:926 INFO <general>: Register - new cec device registered on cec->Linux: CEC Adapter (0000:0000)
2021-10-05 12:11:49.533 T:926 DEBUG <general>: Thread PeripBusCEC 2765079168 terminating
2021-10-05 12:11:49.534 T:936 DEBUG <general>: OpenConnection - opening a connection to the CEC adapter: Linux
2021-10-05 12:11:49.580 T:936 DEBUG <general>: OpenConnection - connection to the CEC adapter opened
2021-10-05 12:11:49.582 T:941 DEBUG <general>: Thread CECAdapterUpdate start, auto delete: false
PS: A dev with an OrangePi Plus2E will have a look at this. Stay tuned.
PPS: Maybe device (0000:0000) and Thread PeripBusCEC 2765079168 terminating is fishy???