This post may give some more details about the current and future uses of the Micro/Mini-b ID-Pin.
Key Features of MHL Technology
"...MHL technology is connector agnostic, so you can utilize existing as well as proprietary connectors.
The MHL specification defines a 5-pin interface that can be mapped to connectors currently in use..."
* Real Plug & Play
* Fast Charging; Power charging up to 10W
* Brilliant Resolution; UHD display with up to 4K video
* Immersive Audio; 8-channel sound
* Remote Control; Interoperable remote control features to navigate your apps on the big screen
see ...
http://www.mhlconsortium.org/about/FAQs.aspx"...10. Why is an additional connectivity solution needed, doesn’t a wireless solution offer the same capabilities?..."
"...11. What does it mean that manufacturers can utilize existing connectors, and what is the impact?..."
Attached, with a bit of Artistic licence, some MHL and Micro/Mini-b ID-Pin concept's
Pure "Speculation", may be, Canon will join the mhl-consortium.org and drop the HDMI connector
and just use MHL-Enabled USB in order to save costs. The USB-Cable and CdRom software is no
longer supplied with some of the new cameras.
H-H
Some more Pure "Speculation";
May be those cheap, eBay, MHL Micro-USB Dongles can be modified to do this kind of stuff.
