Re: [PATCH] dell-laptop: Add hwswitch_only module parameter
From: Mario Limonciello
Date: Thu Oct 07 2010 - 16:49:16 EST
Hi Matthew:
On Thu, Oct 7, 2010 at 08:35, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote:
>
> On Thu, Oct 07, 2010 at 08:30:57AM -0500, Mario Limonciello wrote:
>
> > In this specific scenario that Ken Yu submitted this patch for, the
> > firmware will return the same return codes for the SMI's as a functional
> > machine will. Machines affected by this will fail to recover after rfkill
> > is toggled twice. The symptom will be that the soft block always appears
> > set to the same setting with continued keypresses.
> > During the prototype phase this option is quite useful to help debug the
> > problem it addresses.
>
> Is the kernel able to unblock it under those circumstances?
Manually running rfkill unblock will unblock it in this broken
firmware scenario in question.
--
Mario Limonciello
superm1@xxxxxxxxx
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