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[ADV7611] video source connection/disconnection to ADV7611

I want to configure ADV7611 to generate interrupt when video source is connected to HDMI connector.

As TMDS clock will be locked to input clock when video source is connected, so I thought based on TMDS clock lock we can conclude video source is connected or not.

During free run mode also TMDS clock will be locked?

After going through ADV7611 register manual, TMDSPLL_LCK_A_MB1/TMDSPLL_LCK_A_MB2 are used to configure INT1/INT2 for TMDSPLL. In addition to these registers any other registers I have to configure to receive interrupt when TMDS clock locked?

These interrupts are edge triggered or level triggered?