linux-kernel - Re: [PATCH 0/3] Switch input leds over to standard LED class devices

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Date:	Tue, 09 Jun 2015 00:58:11 +0200
From:	Bastien Nocera <hadess@...ess.net>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Samuel Thibault <samuel.thibault@...-lyon.org>,
	Pavel Machek <pavel@....cz>,
	Pali Rohár <pali.rohar@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	rpurdie@...ys.net, Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 0/3] Switch input leds over to standard LED class devices

On Mon, 2015-06-08 at 14:43 -0700, Dmitry Torokhov wrote:
> Hi,
> 
> I finally was able to spend some time looking over Samuel's patch set
> switching input LEDs from custom implementation over to standard LED 
> class
> devices and I think this is the shape I am reasonably happy with. The
> changes:
> 
<snip>
> 2. There are no per-input device triggers. Input devices only carry 
> LEDs
> and those LEDs use one of the system-wide triggers. Which ones is to 
> user
> to decide. The default triggers are the one defines by keyboard 
> handler for
> it's standard LED states.
> 
<snip>
> Please take a look and see if you see any holes.

What would the quirk for a keyboard not having LEDs look like?

In GNOME, we want to pop up a on-screen display when pressing, say, the
Caps Lock key on a keyboard that doesn't have any such keys (such as my
Lenovo X1 Carbon and the Logitech K750 that's plugged into it in my
case).

Cheers
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