你好，我们参照合众达 EVMDM8168 开发板开发了我们自己的电路板，输入编码芯片采用一片TVP5158，输出采用THS7360。我们将TVP5158 的I2C 地址与开发板第一片TVP5158 设置一样，理论上来说，我们的四路视频输入应该是0、1、2、3 四个通道。但是实际测试发现，不管我们怎么设置I2C地址，我们的视频输入通道一直为12、13、14、15。并且当我们从第12通道输入数据时，通过检测，发现12通道并没有数据，相反，在第8通道却检测到了数据！
由于上面的通道混乱，CVBS视频就没有输出！！！请问这是什么原因造成的？ 该如何改正？详细输出错误如下。
CAPTURE ERROR: Could not get chip id for tvp instace 0!!!
CAPTURE ERROR: Could not get chip id for tvp instace 1!!!
CAPTURE ERROR: Could not detect video at tvp instace 2!!!
CAPTURE ERROR: Could not get chip id for tvp instace 3!!!
DEMO: 0: No video detected at CH [0,0] !!!
DEMO: 1: No video detected at CH [0,1] !!!
DEMO: 2: No video detected at CH [0,2] !!!
DEMO: 3: No video detected at CH [0,3] !!!
DEMO: 4: No video detected at CH [1,0] !!!
DEMO: 5: No video detected at CH [1,1] !!!
DEMO: 6: No video detected at CH [1,2] !!!
DEMO: 7: No video detected at CH [1,3] !!!
DEMO: 8: No video detected at CH [2,0] !!!
DEMO: 9: Detected video at CH [2,1] (720x288@50Hz, 1)!!!
DEMO: 10: No video detected at CH [2,2] !!!
DEMO: 11: No video detected at CH [2,3] !!!
DEMO: 12: No video detected at CH [3,0] !!!
DEMO: 13: No video detected at CH [3,1] !!!
DEMO: 14: No video detected at CH [3,2] !!!
DEMO: 15: No video detected at CH [3,3] !!!
Enter Choice: [m3vpss ] DMTIMER_TEST:TotElapsed:36260:NumUpdates:999
[m3vpss ] DMTIMER_TEST:TotElapsed:36260:NumUpdates:999
[TAMPER DETECTED] 150005: SCD CH <12> CAP CH = 12
[TAMPER DETECTED] 150169: SCD CH <13> CAP CH = 13
