linux-kernel - Re: [PATCH v2 1/3] Input: export LEDs as class devices in sysfs

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Message-ID: <alpine.LNX.2.00.1507230741110.1141@pobox.suse.cz>
Date:	Thu, 23 Jul 2015 07:42:37 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.com>
To:	Vlastimil Babka <vbabka@...e.cz>
cc:	Pavel Machek <pavel@....cz>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Samuel Thibault <samuel.thibault@...-lyon.org>,
	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 v2 1/3] Input: export LEDs as class devices in sysfs

On Thu, 23 Jul 2015, Vlastimil Babka wrote:

> On 07/22/2015 08:55 PM, Jiri Kosina wrote:
> > On Wed, 22 Jul 2015, Vlastimil Babka wrote:
> > 
> > [ ... snip ... ]
> >> The mouse has 3 green leds and one red to indicate battery status, but I think
> >> they operate autonomously.
> > 
> > It's possible that the mouse is presenting them in the report descriptor 
> > though (and maybe it's even possible to control them from the host).
> > 
> > Could you please provide contents of
> > 
> > 	/sys/kernel/debug/hid/<device>/rdesc
> 
> For the record, below. I wonder why there's two more "LED.?" lines (7) than the
> warnings I get (5)?

Because some of them get successfully (re-)mapped to named LEDs.

-- 
Jiri Kosina
SUSE Labs
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