I want to know about a function of CP Map adress 0xC9 in ADV7611.
Because the luminance of the screen became bright when I set a value of 0xC9 from 1 to 0.
I want to know this cause.
But in Hardware User Guide and Software Manual, ADV7611 EvalBoard script,
an explanation of that register is not described.
Please teach me about a function of CP Map adress 0xC9.