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Message-ID: <20101007215028.GB2292@srcf.ucam.org>
Date:	Thu, 7 Oct 2010 22:50:28 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Mario Limonciello <superm1@...ntu.com>,
	Keng-Yu Lin <keng-yu.lin@...onical.com>, len.brown@...el.com,
	alan-jenkins@...fmail.co.uk, platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dell-laptop: Add hwswitch_only module parameter

On Thu, Oct 07, 2010 at 02:46:28PM -0700, Dmitry Torokhov wrote:
> On Thu, Oct 07, 2010 at 10:37:54PM +0100, Matthew Garrett wrote:
> > Dell laptop driver is reasonable. All we need is a list of hardware, and 
> > I'd really hope that Dell know which BIOS versions contain this code!
> > 
> 
> Unfortunately this kind of crap tends to flow from one BIOS version to
> another.. How many DMI entries do we know about so far? Did Dell issue
> firmware updates correcting the issue so new boxes will not exhibit the
> problem?

Pushing this out to userspace doesn't help. If it's sufficiently 
prevelant that it's impossible to have a comprehensive list, then a 
module option makes it too easy for people to just post the fix on a 
forum somewhere and never actually get it upstream.

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