[ANN] HDMI CEC Status Update

[Clint Taylor]

On 05/29/2017 11:53 PM, Hans Verkuil wrote:
> For those who are interested in HDMI CEC support I made a little status
> document that I intend to keep up to date:
>
> https://hverkuil.home.xs4all.nl/cec-status.txt
>
> My goal is to get CEC supported for any mainlined HDMI driver where 
> the hardware
> supports CEC.
>
> If anyone is working on a CEC driver that I don't know already about, 
> just drop
> me an email so I can update the status.
>
> I also started maintaining a list of DisplayPort to HDMI adapters that 
> support
> CEC. If you have one that works and is not on the list, then please 
> let me know.
> Seeing /dev/cecX is not enough, some adapters do not connect the CEC 
> pin, so they
> won't be able to detect any other CEC devices. See the test 
> instructions in the
> cec-status.txt file on how to make sure the adapter has a working CEC 
> pin. I
> plan to do some more testing this week, so hopefully the list will 
> expand.

Would you also like a list of known USB-C->HDMI adapters that do not 
work? I have a couple that advertise support at DPCD 0x3000 but are not 
wired correctly.

-Clint


>
> Thanks!
>
>     Hans
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