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DM6437 怎么设置CCDC为 FVID_FIELD_MODE



模拟视频作为信号源,设置CCDC FVID_FIELD_MODE。在vpfe_bios_drv驱动文件中是不支持FVID_FIELD_MODE,只有输入源为SENSOR时才行。我尝试修改了下驱动如下图,加入红色框中的代码,但是似乎抓取视频有问题,图像中多部分为红绿相间的彩条。

怎么设置为FVID_FIELD_MODE,或者有相关的指导资料吗?谢谢