Re: [RFC] gpiolib-acpi: make sure we trigger edge events at least once on boot

[Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>]

On Fri, Jul 06, 2018 at 12:30:47PM +0200, Hans de Goede wrote:
> > I see. Is this the ACPI control method lid device (PNP0C0D)? Maybe we
> > can read its initial state using _LID method?
> 
> No the problem is the _LID method reads an APCI variable which gets set
> by the _AEI handler. So if the _AEI handler has not run that variable will
> just be 0, which may or may not reflect the actual LID state.
> 
> The 2nd case described in the commit message is the _AIE handler driving
> a GPIO and that GPIO / the mux controlled by that GPIO not reflecting the
> cable-type plugged into the micro-usb until the handler runs (this is the
> one I still need to verify it is actually fixed by this patch).

OK, thanks for the explanation.
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