[Arm-netbook] HDMI v1.4 Audio Return and Ethernet channels

Luke Kenneth Casson Leighton lkcl at lkcl.net
Tue Aug 1 06:29:52 BST 2017

crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68

On Tue, Aug 1, 2017 at 6:21 AM, Richard Wilbur <richard.wilbur at gmail.com> wrote:

> Audio Return channel[1]
> Claims to be able to carry the signals normally routed over an S/PDIF
> cable from the video signal receiver (sink) back to the video signal
> transmitter (source).

 yes.  there exists a kernel module.  absolutely no information is
available about how it works.... except as can be read in the source

> I'd love to download the specification but they have it behind a
> signed agreement + steep pay wall.

 yyeah.. not hugely gonna worry about it.  if it works it works, if it
doesn't it doesn't.


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