Re: [PATCH 2/2] platform/surface: surfacepro3_button: don't load on amd variant

From: Andy Shevchenko
Date: Tue Nov 09 2021 - 04:13:25 EST


On Tue, Nov 9, 2021 at 10:11 AM Sachi King <nakato@xxxxxxxxx> wrote:
>
> The AMD variant of the Surface Laptop report 0 for their OEM platform
> revision. The Surface devices that require the surfacepro3_button
> driver do not have the _DSM that gets the OEM platform revision. If the
> method does not exist, load surfacepro3_button.

...

> * Surface Pro 4 and Surface Book 2 / Surface Pro 2017 use the same device
> * ID (MSHW0040) for the power/volume buttons. Make sure this is the right
> - * device by checking for the _DSM method and OEM Platform Revision.
> + * device by checking for the _DSM method and OEM Platform Revision DSM
> + * function.

Not sure what this change means (not a native speaker).

...

> - dev_dbg(&dev->dev, "OEM Platform Revision %llu\n", oem_platform_rev);

I think this is useful to have.

What about leaving it as is for debugging purposes and just replacing
the last test?

...

> + // make sure that OEM platform revision DSM call does not exist

Please, fix the comment style while at it.

--
With Best Regards,
Andy Shevchenko