linux-kernel - Re: [PATCH 1/3] Add support for more dell-wmi hotkeys

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Message-ID: <49EE1945.2080808@dell.com>
Date:	Tue, 21 Apr 2009 14:06:45 -0500
From:	Mario Limonciello <mario_limonciello@...l.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] Add support for more dell-wmi hotkeys

Hi Matthew:

Matthew Garrett wrote:
> On Tue, Apr 21, 2009 at 01:00:57PM -0500, Mario Limonciello wrote:
>   
>
> Hmm. I'll take a look over these - I was under the impression that Dell 
> volume control was already of the software controlled type? The comments 
> about the ones that will send events via both is a bit disconcerting, 
> but I'll check how we're handling these keys at the moment.
>   
Volume controls are still controlled via scan codes sent out by the EC. 
This means the behavior doesn't change at all.  The keycodes that come
via WMI are just to inform the OS (or more specifically an application
on the OS) of the volume change.

On the Windows side this WMI event is used to display a volume OSD from
a Dell utility called Quick Set.

Regards
-- 
Mario Limonciello
*Dell | Linux Engineering*
mario_limonciello@...l.com


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