Re: [PATCH 2/2] dell-wmi: Process only one event on devices with interface version 0

From: Pali RohÃr
Date: Mon Dec 28 2015 - 08:49:23 EST


On Monday 28 December 2015 14:40:56 MichaÅ KÄpieÅ wrote:
> > BIOS/ACPI on devices with WMI interface version 0 does not clear
> > buffer before filling it. So next time when BIOS/ACPI send WMI
> > event which is smaller as previous then it contains garbage in
> > buffer from previous event.
> >
> > BIOS/ACPI on devices with WMI interface version 1 clears buffer and
> > sometimes send more events in buffer at one call.
>
> Are the explanations above based on your observations or perhaps some
> documentation?

Just observation from all DSDT files which I have seen.

--
Pali RohÃr
pali.rohar@xxxxxxxxx

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