linux-kernel - Re: [PATCH 0/2] wistron

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Message-ID: <d120d5000703140654y4d8cb0a3oafd49c48a045bd77@mail.gmail.com>
Date:	Wed, 14 Mar 2007 09:54:27 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Eric Piel" <Eric.Piel@...mplin-utc.net>
Cc:	mitr@...ny.cz, otauber@....de, linux-kernel@...r.kernel.org,
	linux-input <linux-input@...ey.karlin.mff.cuni.cz>,
	"Vojtech Pavlik" <vojtech@...e.cz>
Subject: Re: [PATCH 0/2] wistron_btns: More keymaps

Hi Eric,

On 3/13/07, Eric Piel <Eric.Piel@...mplin-utc.net> wrote:
> Hello,
>
> As a sequel to my patch "Wistron button support for TravelMate 610" of
> last week, here is a bigger addition of keymaps for the wistron_btns.
>
> Patch 1 adds all the database of acerhk which fits this driver (about 25
> more laptops).
> Patch 2 adds a generic map that should fit most users but has the
> disadvantage of not being automatic.
>
> Dmitry, I've tried to make them against your tree. Still, if they don't
> apply cleanly, just tell me and I'll try harder!
>

I have couple of comments/requests:

1. KEY_OPEN and KEY_CLOSE should not be used to signal state of the
lid, they correspond to Accpication Control Open and Close keys from
USB HID HUT spec:

     http://www.usb.org/developers/devclass_docs/Hut1_12.pdf

SW_LID shoudl be used to signal lid state instead.

2. I also have a concern about using KEY_SCREEN to signal toggling
display on and off. I am CCing Vojtech - he must know what the
original intent of this key code was. BTW, when user presses
corresponding button - does the display actually goes off? Maybe we
need another switch.

3. The number of keymap tables grew considerably ;) Do you think it
woudl make sense to allocate memory for keymap at device creation time
and copy selected keymap and them mark all original keymaps as
__initdata so they are discarded one module completed initialization?

Thank you.

-- 
Dmitry
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