linux-kernel - Re: Dell-laptop is not working without wireless

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Message-ID: <20090818121049.GB22284@srcf.ucam.org>
Date:	Tue, 18 Aug 2009 13:10:49 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Dell-laptop is not working without wireless

On Mon, Aug 17, 2009 at 10:32:27PM -0700, Dmitry Torokhov wrote:

> dell-laptop module does not work on my Latitude d630 unless driver for
> my wireless card (which happens to be iwl3945) is already loaded.
> Otherwise dcsbas_smi_request() returns all zeroes which causes
> dell-laptop to not create any rfkill devices nor install backlight
> device:

That's quite bizarre. I'd had one report of the backlight setup failing, 
but hadn't connected it with wireless driver loading. Long shot, but I 
don't suppose you can figure out which bit of the wifi config is needed 
to get dell-laptop working by just bailing at various bits of the probe 
and seeing if you get sensible answers?

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