Enable I2C clock stretching?

I’m trying to use an Adafruit 9DOF, which uses the Bosch BNO055 IMU chip. It’s connected by I2C. When I use this with an Arduino, it works fine. But when connected to the Jetson, I can only reliably read constant registers. Everything else reads back zero.

I have a hypothesis about what might be happening. This chip uses clock stretching, but I think support for this must not be enabled for the Jetson? How do I enable it?


please see-also Topic 81157.

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