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Date: Fri, 25 Mar 2011 09:07:02 -0700
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Chris Bagwell <chris@cnpbagwell.com>
Cc: Corentin Chary <corentin.chary@gmail.com>,
        Matthew Garrett <mjg@redhat.com>, acpi4asus-user@lists.sourceforge.net,
        platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org,
        Seth Forshee <seth.forshee@canonical.com>
Subject: Re: [PATCH] eeepc-wmi: Add support for T101MT "Express Gate" key
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On Thu, Mar 24, 2011 at 09:00:14AM -0500, Chris Bagwell wrote:
> On Thu, Mar 24, 2011 at 8:40 AM, Corentin Chary
> <corentin.chary@gmail.com> wrote:
> >> I would suggest sending BTN_HOME upon button release 0xe5 (not press
> >> 0xe4 and do the autorelease because of it) and BTN_PROG2 on
> >> press-and-hold 0xea.
> >>
> >> If you press-and-hold, does it still send the 0xe5 upon release?  That
> >> could complicate things so that both button events do not get sent.
> >>
> >> I'm not sure what BTN_HOME is commonly used for.  This button does
> >> sound like a HOME button in iPad sense but not in web browser sense.
> >
> > Except the fact that I don't find BTN_HOME in inpout.h, that's seems a
> > better idea, forget what I've said earlier.
> 
> Ha... Sorry, I had buttons on my brain.  I meant KEY_HOME as you suggested.
> 
> >
> > 0xe4 -> KEY_IGNORE
> > 0xe5 -> KEY_HOME
> > 0xea -> KEY_PROG2, (or BTN_TASK to copy android/iOS ?)
> 
> From a quick google, I couldn't finding any specific meaning of
> BTN_TASK but it looks like xf86-input-evdev turns it into a button
> press so we may not want that one.
> 

It was one of additional keys on Logitech mice IIRC.

-- 
Dmitry