linux-kernel - Re: [PATCH] Route kbd LEDs through the generic LEDs layer

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Date:	Sat, 13 Jul 2013 11:35:52 +0200
From:	Samuel Thibault <samuel.thibault@...-lyon.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	akpm@...ux-foundation.org, jslaby@...e.cz, 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>,
	Matt Sealey <matt@...esi-usa.com>,
	Rob Clark <robdclark@...il.com>,
	Niels de Vos <devos@...oraproject.org>,
	linux-arm-kernel@...ts.infradead.org,
	Steev Klimaszewski <steev@...esi-usa.com>
Subject: Re: [PATCH] Route kbd LEDs through the generic LEDs layer

Pavel Machek, le Sat 13 Jul 2013 01:33:01 +0200, a écrit :
> > > > This permits to reassign keyboard LEDs to something else than keyboard "leds"
> > > > state, by adding keyboard led and modifier triggers connected to a series
> > > > of VT input LEDs, themselves connected to VT input triggers, which
> > > > per-input device LEDs use by default.  Userland can thus easily change the LED
> > > > behavior of (a priori) all input devices, or of particular input devices.
> > > 
> > > Nice! Leds now have proper /sys interface.
> > > 
> > > But... I boot up, switch from X to console, press capslock, and no
> > > reaction anywhere.
> > 
> > Is it working without the patch?  Console-setup for instance is known to
> > have broken the capslock LED, which is precisely one of the reasons for
> > this patch, which will provide console-setup with a way to bring back
> > caps lock working properly.
> 
> You are right, it was broken before.

Ok. You then may want fix your setup by configuring your caps lock led
the way console-setup will be supposed to do in the future:

echo ctrlllock > /sys/class/leds/vt::capsl/trigger

Or some other of the locks that console-setup might be using to
implement caps lock.

> > Things work fine with my USB keyboard too, is this perhaps using an odd
> > driver which would not expose LEDs in a standard way?
> 
> No, everything works as well as it did. Feel free to add:
> 
> Tested-by: Pavel Machek <pavel@....cz>

Thanks for testing,
Samuel
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