About IDAC calibration

Hello support team,

I have a question: How can I actively invoke the IDAC calibration function at the driver level? I found that after our camera hardware is connected to Orin, the stream runs normally for a period of time and then stops, and it never recovers. Checking the kernel logs, the VI recovery mechanism is working, but it never resumes normal operation. So, I am wondering if redoing the IDAC calibration during the recovery process might help in restoring normal image output. We are certain that the camera is outputting correctly, so the issue must be elsewhere.

thank you

The IDAC calibration running for camera launch by RCE firmware.
Restart system and activate below command before running camera.

echo on > /sys/devices/platform/*rtcpu/power/control

If there is a problem with the power supply of the camera board we designed, could it lead to the following situation: after the camera has been working for a period of time, the attributes of the MIPI output signal do not match the attributes initially calibrated by the IDAC, resulting in Orin Rx being unable to correctly receive the data? Does this hypothesis hold?

It the signal problem I don’t think the IDAC calibration could help on it.

Thanks

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