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dm8168通过vip口检测分辨率



问题描述:
之前dm8168检测分辨率,是通过i2c或者spi获取前端芯片sii9233a或者gv7601的寄存器值,计算出来宽/高/帧率,组成分辨率。
目前新板无法通过前端芯片获取寄存器值,能否通过dm8168芯片vip口获取寄存器值,计算出来宽/高/帧率,组成分辨率。
请问读取哪些寄存器获取宽,高,帧率?