With Lunar the i2c_dev module is a stand-alone module and not statically built into the kernel anymore.
$ modprobe i2c_dev $ ls /dev/ic2* /dev/i2c-1 /dev/i2c-20 /dev/i2c-21
With Lunar the i2c_dev module is a stand-alone module and not statically built into the kernel anymore.
$ modprobe i2c_dev
$ ls /dev/ic2*
/dev/i2c-1 /dev/i2c-20 /dev/i2c-21