[optics]

I want to disable HDMI-CEC because it keeps changing inputs on my AVR. This should be as straightforward as adding "hdmi_ignore_cec=1" to my config.txt file. But when I reboot, I get a black screen after the logo. Checking the logs, I see a number of entries like this:

18:39:26 100.309914 T:1885860928 ERROR: CecLogMessage - Open - vc_cec could not be initialised
18:39:26 100.310120 T:1885860928 ERROR: CecLogMessage - could not open a connection (try 10)
18:39:27 101.310402 T:1885860928 ERROR: CecLogMessage - could not start CEC communications
18:39:27 101.310608 T:1885860928 ERROR: OpenConnection - could not opening a connection to the CEC adapter
18:39:02 76.288147 T:1885860928 ERROR: CecLogMessage - Open - vc_cec could not be initialised
18:39:02 76.291451 T:1885860928 ERROR: CecLogMessage - could not open a connection (try 6)
18:39:03 77.292046 T:1885860928 ERROR: CecLogMessage - RegisterLogicalAddress - vc_cec_set_logical_address(E) returned invalid arg (8)