Re: [PATCH] media: ipu3: add a module to probe sensors via ACPI

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Em Thu, 21 May 2020 11:00:19 +0300
Andy Shevchenko <andy.shevchenko@xxxxxxxxx> escreveu:

> +Cc: Heikki (swnode expert)
> 
> On Wed, May 20, 2020 at 2:19 PM Mauro Carvalho Chehab
> <mchehab+huawei@xxxxxxxxxx> wrote:
> > Em Wed, 20 May 2020 11:26:08 +0300
> > Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> escreveu:  
> 
> ...
> 
> > As I said, the problem is not probing the sensor via ACPI, but, instead,
> > to be able receive platform-specific data.  
> 
> There is no problem with swnodes, except missing parts (*).
> I have Skylake laptop with IPU3 and with half-baked ACPI tables, but
> since we have drivers in place with fwnode support, we only need to
> recreate fwnode graph in some board file to compensate the gap in
> ACPI.
> 
> *) Missing part is graph support for swnodes. With that done it will
> be feasible to achieve the rest.
> I forgot if we have anything for this already done. Heikki?

Hmm... I guess I should try this approach. I never heard about swnodes
before. Do you have already some patch with the needed swnodes setup,
and the missing parts to recreate the fwnode graph?

Thanks,
Mauro
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