Do not let I2CDevice probe for the device #20
Merged
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The MCP960x does not seem to like zero-length writes, and can NAK when probed with such a write. On
atmel-samd
, the write was repeated once immediately if it failed, and for some reason this worked. But on other ports, the write is done just once, and it fails. If the write is repeated a little later, it still fails.So when creating the
adafruit_busdevice.I2CDevice()
, ask it not to probe.