According to ADV7604 HW Manual, Rev F August 2010, a Video Format Identification code can be determined by reading VIC[6:0] bits in AVI Infoframe. What is the address of the register that holds the VIC[6:0] bits?
According to CEA861E, the VIC is in data byte 4 for AVI InfoFrame Version 0x02. That's InfoFrame Map Address 0x04. AVI Version 1 does not contain a VIC
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