Possible to use HDMI as input?

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Wondering if anyone knows how possible it would be to use the HDMI port to receive/display signal on the g2x? What I'd like to do, is use the phone as an external monitor while filming with the Canon t2i DSLR camera. I would think there is a pretty large market for an app that could make this work.

Anyone? Just want to know if it's possible. Would be willing to donate towards getting an app made that would display input from HDMI.

out of the box i am 99.9% certain that the phone does not have a video in feature either in terms of hardware or driver support...

cool concept though, would be sick to have a feature like this

I'm under the impression that HDMI signals can travel both ways. therefore the HDMI port wouldn't be referred to as HDMI-out, just HDMI.

I never though about this being a driver controlled thing, but you may be right. I believe the hardware is there tho.