Interfacing (DSI, CSI, I2C, etc.) • '/dev/i2c-1' Missing after apt update & upgrade

All was working fine until I decided to update & upgrade my Pi yesterday
I'm running Bookworm

After the upgrade & reboot '/dev/I2c-1' is missing but '/dev/I2c-2' is present in the '/dev' directory

If I run 'sudo raspi-config' and enable I2C , '/dev/I2c-1' re-appears

After rebooting I2c-1 is no longer there, but enabling I2C via raspi-config makes it re-appear and so is a workaround for now.

I'm guessing there's a config file error somewhere but unsure where to start looking.

Any pointers much appreciated.

Thanks

Statistics: Posted by cancunia — Thu Jul 25, 2024 9:42 am

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