Captured image looks purple using ar0231-rccb

Our DPX PDK version is driveworks-0.3 and camera revision is LI-AR0231-R6 RCCB. When we record video using camera-type=ar0231-rccb, the recorded video looks purple, and when using camera-type=ar0231 the recorded video has correct color. But when we set cross-csi-sync=1 we can only use camera-type=ar0231. Does anyone know how to solve this problem? Thank you!

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