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Subject: Re: [PATCH 0/4] platform/x86: intel-vbtn: Add support for several
 more switches/buttons
From: Bastien Nocera <hadess@hadess.net>
To: Andy Shevchenko <andy.shevchenko@gmail.com>,
        Stefan =?ISO-8859-1?Q?Br=FCns?= <stefan.bruens@rwth-aachen.de>
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        Andy Shevchenko <andy@infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        AceLan Kao <acelan.kao@canonical.com>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        linux-input <linux-input@vger.kernel.org>,
        Darren Hart <dvhart@infradead.org>
Date: Mon, 06 Nov 2017 13:54:25 +0100
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On Sun, 2017-11-05 at 14:31 +0200, Andy Shevchenko wrote:
> On Fri, Nov 3, 2017 at 9:03 PM, Stefan Brüns
> <stefan.bruens@rwth-aachen.de> wrote:
> > Currently, intel-vbtn only supports the most relevant buttons,
> > although
> > there are several more events, mostly in use by convertibles.
> > 
> > This series adds support for three more events. One of these events
> > is a switch (SW_*) event, which is currently not working when using
> > sparse keymaps. The first patch fixes this combination.
> > 
> > The second patch adds support for the SW_TABLET_MODE switch, which
> > is used by current convertibles.
> > 
> > The third patch adds support for the KEY_ROTATE_DISPLAY. On the
> > Dell
> > XPS 12 (9Q33), rotation lock is implemented as a button to toggle
> > between locked and unlocked state. In locked state, the
> > accelerometer
> > should be ignored, while in unlocked the screen contents should
> > autorotate based on the tablet orientation. The same functionality
> > is likely implemented as a switch (SW_ROTATE_LOCK event) on
> > different
> > hardware.
> > 
> > The fourth patch adds support for the "Windows logo" button/key
> > found on
> > the XPS 12 display (i.e. in tablet mode, it is the only key
> > reachable).
> > The Lenovo Helix 2 has an equivalent touch button. The event
> > currently
> > uses KEY_MENU, although a distinct key code may be a better choice.
> > 
> 
> All, except first, are applied to my review and testing queue,
> thanks!
> 
> > 
> > Stefan Brüns (4):
> >   Input: sparse-keymap - send sync event for KE_SW/KW_VSW
> >   platform/x86: intel-vbtn: support SW_TABLET_MODE
> >   platform/x86: intel-vbtn: support KEY_ROTATE_DISPLAY
> >   platform/x86: intel-vbtn: support panel front button

KEY_MENU is the key for the contextual menu. You need to use
KEY_LEFTMETA. See 791738be57473fddaf393dcedcef31b577231aaa which does
this for soc_button_array.

Cheers