linux-kernel - Re: "special" key when Lenovo Yoga 900 in tablet mode

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Date:	Sun, 20 Dec 2015 17:15:37 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Nish Aravamudan <nish.aravamudan@...il.com>
Cc:	Ike Panhc <ike.pan@...onical.com>,
	Darren Hart <dvhart@...radead.org>,
	platform-driver-x86@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: "special" key when Lenovo Yoga 900 in tablet mode

On Tue, Dec 15, 2015 at 9:27 PM, Nish Aravamudan
<nish.aravamudan@...il.com> wrote:
> So the Lenovo Yoga 900 has 4 "modes" (laptop, tent, stand and tablet).
> In tablet mode, it appears that the following is printed roughly every
> second:
>
> atkbd serio0: Unknown key pressed (translated set 2, code 0xbf on
> isa0060/serio0).
> atkbd serio0: Use 'setkeycodes e03f <keycode>' to make it known.
> ideapad_laptop: Unknown event: 1
> atkbd serio0: Unknown key released (translated set 2, code 0xbf on
> isa0060/serio0).
> atkbd serio0: Use 'setkeycodes e03f <keycode>' to make it known.
> ideapad_laptop: Unknown event: 1
>
> What I would like to do is rotate the screen when I see the unknown
> key (a la https://gist.github.com/emiller/6488449), although that's not
> super-efficient, but is fine. But I'm wondering if the ideapad event
> should actually be properly handled and how that would be done? I
> guess it could also just emit a key like the other ideapad values?

I might be able to reproduce this next week. Maybe we will come up
with the solution.

-- 
With Best Regards,
Andy Shevchenko
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