Re: [PATCH v2] ACPI: surface3_power: MSHW0011 rev-eng implementation

Benjamin Tissoires
2017-06-30T15:24:15Z

On Jun 29 2017 or thereabouts, Rafael J. Wysocki wrote:
> On Thu, Jun 29, 2017 at 4:22 PM, Andy Shevchenko
> <andy.shevchenko@gmail.com> wrote:
> > +Cc: Hans (he might give some advice regarding to the below)
> >
> > On Thu, Jun 29, 2017 at 3:10 PM, Benjamin Tissoires
> > <benjamin.tissoires@redhat.com> wrote:
> >> MSHW0011 replaces the battery firmware by using ACPI operation regions.
> >> The values have been obtained by reverse engineering, and are subject to
> >> errors. Looks like it works on overall pretty well.
> >
> > What devices (laptops, tablets) have it?
> > Surface 3. What else?
> >
> >> I couldn't manage to get the IRQ correctly triggered, so I am using a
> >> good old polling thread to check for changes.
> >
> > It might be
> >
> >>
> >> Link: https://bugzilla.kernel.org/show_bug.cgi?id=106231
> >
> >> +config ACPI_SURFACE3_POWER_OPREGION
> >> + tristate "Surface 3 battery platform operation region support"
> >
> > depends on ACPI ?
> >
> >> + help
> >> + Select this option to enable support for ACPI operation
> >> + region of the Surface 3 battery platform driver.
> >
> >> +/*
> >> + * Supports for the power IC on the Surface 3 tablet.
> >
> > Shouldn't it go to drivers/acpi/pmic folder ?
>
> Surely not directly into drivers/acpi/ in any case.
>

Yep, drivers/acpi/pmic seems like a good candidate. I will do that in
v3.

Cheers,
Benjamin