linux-kernel - Re: [PATCHv5 0/2] INPUT: Route keyboard LEDs through the generic LEDs layer

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Message-ID: <20150121152112.GA24789@type.bordeaux.inria.fr>
Date:	Wed, 21 Jan 2015 16:21:12 +0100
From:	Samuel Thibault <samuel.thibault@...-lyon.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Herrmann <dh.herrmann@...il.com>, jslaby@...e.cz,
	Bryan Wu <cooloney@...il.com>, rpurdie@...ys.net,
	linux-kernel@...r.kernel.org, Evan Broder <evan@...oder.net>,
	Arnaud Patard <arnaud.patard@...-net.org>,
	Peter Korsgaard <jacmet@...site.dk>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Rob Clark <robdclark@...il.com>,
	Niels de Vos <devos@...oraproject.org>,
	linux-arm-kernel@...ts.infradead.org, blogic@...nwrt.org,
	Pali Rohár <pali.rohar@...il.com>
Subject: Re: [PATCHv5 0/2] INPUT: Route keyboard LEDs through the generic
 LEDs layer

Hello,

Pavel Machek, le Fri 02 Jan 2015 20:53:51 +0100, a écrit :
> > Here is v5 coming, with separate patches for the kbd and the input
> > parts.
> 
> After booting with this, capslock led does not seem to work on text
> console.
> 
> input4::capsl/trigger was none by default, that can't be right, right?
> 
> I tried putting kbd-capslock and input4-capsl there, but that did not
> seem to help.
> 
> It works with heartbeat trigger, but not with input4-numl
> trigger. (But numlock led works ok with that trigger, weird).
> 
> vt::capsl/brightness controls capslock led, even when
> input4-capsl/trigger is set to input4-numl.

I have just tried what you described on a thinkpad lenovo T500, without
any problem, except that the thinkpad BIOS does a couple of funky
things:

- depending on the numlock bios setting, the numlock led will be
  driven by the OS (synchronized mode) or handled internally in the BIOS
  (independent mode).
- in synchronized mode, whenever the internal numlock led is lit, the
  right part of the internal keyboard acts as the keypad keys.

Samuel
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