Is there a method to force the ADV7511 to generate a Hot Plug Detect (HPD) interrupt?
My intent is to cover two use cases:
- the HDMI sink is "cold-plugged", i.e. the sink device is plugged in before the 7511 is powered up; and
- the firmware needs to force "re-initialization" after an exception condition is thrown in the firmware (and unrelated to the 7511) is caught.
I've tried using the power-down register (0x41) and the EDID re-read register (0xC9), but neither register write results in an HPD interrupt.