linux-kernel - Re: [PATCH] Sony laptop: Some Sony Vaia laptops do not enable wwan power by default.

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Message-ID: <20090422201115.GA783@srcf.ucam.org>
Date:	Wed, 22 Apr 2009 21:11:15 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Tim Gardner <timg@....com>
Cc:	malattia@...ux.it, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Sony laptop: Some Sony Vaia laptops do not enable wwan power by default.

On Wed, Apr 22, 2009 at 02:07:14PM -0600, Tim Gardner wrote:

> The laptop model that doesn't power up wwan on cold boot contains a
> "Sony Programmable IO Control Driver" ("VGN-" according to the DMI
> info). It appears that only laptops with a "Sony Notebook Control
> Driver" enjoy rfkill goodness. I don't know for sure if those models
> fail to power up wwan when rfkill is disabled.

Right. It'd need porting to the rfkill infrastructure, rather than just 
being a sysfs attribute.

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