Okay, I have a question, after all :)

> +static const struct acpi_device_id i2c_acpi_known_good_ids[] = {
> +	{ "10EC5640", 0 }, /* RealTek ALC5640 audio codec */
> +	{ "INT33F4", 0 },  /* X-Powers AXP288 PMIC */
> +	{ "INT33FD", 0 },  /* Intel Crystal Cove PMIC */
> +	{ "NPCE69A", 0 },  /* Asus Transformer keyboard dock */
> +	{}
> +};

Can't we add this table to patch 1 and check it within a
acpi_quirk_skip_i2c_client_enumeration(adev)?