Hi,

Thanks for the patch. It looks mostly good.

> +static int clock = 0x1c;
> +module_param(clock, int, 0444);

'clock' determines the bus speed?

> +	i2c->adapter.class = I2C_CLASS_DEPRECATED;

This is only needed for drivers which used to have a class and decided
to drop it. You can leave it empty.

> +	algo_data->data = (void *)i2c;

You don't need the cast, do you?

> +MODULE_LICENSE("GPL");

Your SPDX header says GPL 2.0 only.

Kind regards,

   Wolfram