[Arm-netbook] HDMI Player Stick as DRM-free Merch Alternative

Luke Kenneth Casson Leighton lkcl at lkcl.net
Wed Jul 25 07:12:58 BST 2018


On Tue, Jul 24, 2018 at 4:41 PM, Richard Wilbur
<richard.wilbur at gmail.com> wrote:

> One fly in the ointment is that, at least according to my understanding,
> power on the HDMI is part of VESA (Video Electronics Standards Association)
> DDC (Display Data Channel) support.

> As such the power is supplied by the video signal source
> which is the I2C bus master on the DDC bus.
> This applies to all of the incarnations of VESA DDC on VGA, DVI, and HDMI.

 it's also only a maximum of something like 400mA.

l.



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