Re: [RFC PATCH v3 9/9] ipu3-cio2: Add functionality allowing software_node connections to sensors on platforms designed for Windows

Daniel Scally
2020-10-24T22:28:12Z

Hi Laurent

On 24/10/2020 10:37, Laurent Pinchart wrote:
>
>>> I wonder if we could avoid depending on the I2C device being created by
>>> getting the fwnode from adev, and setting ->secondary manually. adev
>>> would need to be passed to get_acpi_ssdb_sensor_data() instead of dev.
>> Let me try that; I initially wanted to do
>> set_secondary_fwnode(&adev->dev, fwnode) to avoid depending on the I2C
>> dev being created but it turns out &adev->dev isn't the same pointer. I
>> shall try it and see.

Actually, thinking on this further I think maybe we can't avoid that -
it's not actually in this patch series but during assigning GPIO
resources parsed from PMIC's ACPI node to the sensor, I'm using
dev_name() on the i2c dev to pass to .dev_id member of gpiod_lookup_table