linux-kernel - Re: [PATCH 2/2] toshiba-acpi: Support TOS1900-type devices

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Date:	Wed, 1 Apr 2009 18:07:08 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Azael Avalos <coproscefalo@...il.com>
Cc:	linux-acpi@...r.kernel.org, dsilvers@...tec.co.uk,
	toshiba_acpi@...ebeam.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] toshiba-acpi: Support TOS1900-type devices

On Thu, Apr 02, 2009 at 10:03:05AM +1700, Azael Avalos wrote:
> On Thu, Apr 2, 2009 at 9:53 AM, Matthew Garrett <mjg59@...f.ucam.org> wrote:
> > Yes, you shouldn't be reading directly from TOHK at any point. It seems
> > to be a purely internal variable - I'm fairly sure that the INFO method
> > is the only one that should be called on event generation.
> 
> Well, on the patches sent to the omnibook module I was polling TOHK directly,
> it is until now that I realized that I can poll the events via INFO
> method, that is,
> if I enable TECF first via method \\_SB.PCI0.LPCB.EC0.NTFY

Mm. None of the TOS1900 DSDTs I have here have TECF or NTFY methods, so 
again that doesn't sound like the right way of driving them. Does the 
ENAB method not do this?

> >
> >> On the patches I sent to the omnibook module I'm able to get events but they
> >> seem to get repeated 3 times, or perhaps I'm polling to often.
> >
> > Hm. I don't have test hardware right now, I'm afraid. I'll look at some
> > DSDTs a bit more and see if anything springs to mind.
> 
> Well, I brought my laptop to work (I'm a sysadmin so I got plenty of time :-P)
> and I can test if that helps

I'll dig some more and let you know. Thanks!

-- 
Matthew Garrett | mjg59@...f.ucam.org
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