Where is json isp file for arducam IMX462

Raspberry Pi Cameras
1

  1. Where did you get the camera module(s)?
    UCTronics

  2. Model number of the product(s)?
    IMX462

  3. What hardware/platform were you working on?
    Raspberry Pi4

  4. Instructions you have followed. (link/manual/etc.)

  5. Problems you were having?
    I would like to know where is the json file for isp process stored and what name is used ?

  6. The dmesg log from your hardware?

  7. Troubleshooting attempts you’ve made?

  8. What help do you need?
    I need to edit the json file where ISP algo parameters are defined for the arducam IMX462 ?

2

I was able to define my own json tuning file and load it before initialising the Picamera2 with the load_tuning_file function.
However I have another question, if I comment some algo like x.rpi.awb it seems that some automatic settings are applied. Am I wrong ?

Thanks for your help