I managed to advertise HDMI-CEC from Pine and run cec-client.
Yay!
```
CEC bus information
===================
device #0: TV
address: 0.0.0.0
active source: no
vendor: Samsung
osd string: TV
CEC version: 1.3a
power status: on
language: eng
device #1: Recorder 1
address: 2.0.0.0
active source: yes
vendor: Pulse Eight
osd string: CECTester
CEC version: 1.4
power status: on
language: eng
```
Yay!
```
CEC bus information
===================
device #0: TV
address: 0.0.0.0
active source: no
vendor: Samsung
osd string: TV
CEC version: 1.3a
power status: on
language: eng
device #1: Recorder 1
address: 2.0.0.0
active source: yes
vendor: Pulse Eight
osd string: CECTester
CEC version: 1.4
power status: on
language: eng
```