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Linux/DS90UB964-Q1: Problem accessing slave device and DS90UB913A-Q1 registers ?

Part Number: DS90UB964-Q1
Other Parts Discussed in Thread: DS90UB913A-Q1

Tool/software: Linux

Hi, we are currently using this setup  camerasensor <-> DS90UB913A-Q1 >> FPDIII link << DS90UB964-Q1 <-> imx6

<-> i2C


We have managed to set up the link and the DS913 has written its device id into the SER_ID register of the DS90UB964-Q1 using the example described in

We are however not managing to write to the DS90UB913A-Q1 registers as we would expect, do you have any example/script that we can access ?