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Linux/DS90UB960-Q1: How to set data of ds90ub960 from csi tx port1 output? And how to copy data of csi port0 to csi port1?

Part Number: DS90UB960-Q1

Tool/software: Linux

hi ,I want to set data of one camera output csi port0 and csi port1 at the same time ,how can I set it ?

Now ,I set data output csi port0 ,the data of camera is ok, But I set Replicate from csi0 -csi1 ,csi1 can't receive data, this is my configuration of reg:

ds964_i2c_write(ds964, 0x32, 0x13);
//ds964_i2c_write(ds964, 0x21, 0x83);
ds964_i2c_write(ds964, 0x1f, 0x02);
ds964_i2c_write(ds964, 0x33, 0x01);
ds964_i2c_write(ds964, 0xbc, 0x00);


ds964_i2c_write(ds964, 0x4c, 0x01);
ds964_i2c_write(ds964, 0x58, 0x58);
ds964_i2c_write(ds964, 0x5c, 0x80); //must be 0x80 7bit :0x40

//transfer to isp/image sensor setting
ds964_i2c_write(ds964, 0x5d, 0xba);
ds964_i2c_write(ds964, 0x65, 0x60); //must be 0x60 7bit :0x30 camera0

ds964_i2c_write(ds964, 0x20, 0xe0);
ds964_i2c_write(ds964, 0x7c, 0xc0);
ds964_i2c_write(ds964, 0x6d, 0x7f);
ds964_i2c_write(ds964, 0x70, 0x1e);

This configuration can normally output from csi0 ,But csi1 has no data

My configuration of (0x83->0x21 )didn't work

Please help me see how it is configured correctly ,thank you!