From: Pavel Machek <pavel@ucw.cz>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: David Lechner <david@lechnology.com>,
Richard Purdie <rpurdie@rpsys.net>,
Jacek Anaszewski <j.anaszewski@samsung.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>,
Marcel Holtmann <marcel@holtmann.org>
Subject: Re: [PATCH v4 1/3] leds: Introduce userspace leds driver
Date: Sat, 24 Sep 2016 14:06:03 +0200 [thread overview]
Message-ID: <20160924120603.GC8696@amd> (raw)
In-Reply-To: <CACRpkdZH4aJxbbPOnmvCapPaw78+Wtu8pjpC=oWGJpAvmO+WVw@mail.gmail.com>
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On Thu 2016-09-22 15:43:35, Linus Walleij wrote:
> On Fri, Sep 16, 2016 at 9:16 PM, David Lechner <david@lechnology.com> wrote:
>
> > This driver creates a userspace leds driver similar to uinput.
>
> Just out of curiosity: what is this used for?
> The typical usecase evades me, so I'd really want to know.
I have RGB led connected using ESP board over ttyUSB0. I guess I'll
want to keep the driver in userspace, but I still may want "normal"
/sys/class/leds interface for it.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2016-09-24 12:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20160916191750eucas1p2437e0fa04cc99964b79cb774ef482e5a@eucas1p2.samsung.com>
2016-09-16 19:16 ` [PATCH v4 0/3] leds: Introduce userspace leds driver David Lechner
2016-09-16 19:16 ` [PATCH v4 1/3] " David Lechner
2016-09-22 13:43 ` Linus Walleij
2016-09-22 13:44 ` Linus Walleij
2016-09-22 16:45 ` David Lechner
2016-09-24 12:06 ` Pavel Machek [this message]
2016-11-08 11:26 ` Jacek Anaszewski
2016-11-08 19:08 ` David Lechner
2016-11-08 20:29 ` Jacek Anaszewski
2016-11-09 7:05 ` Pavel Machek
2016-11-09 8:44 ` Jacek Anaszewski
2016-09-16 19:16 ` [PATCH v4 2/3] leds: Use macro for max device node name size David Lechner
2016-09-16 19:16 ` [PATCH v4 3/3] tools/leds: Add uledmon program for monitoring userspace LEDs David Lechner
2016-09-20 8:56 ` [PATCH v4 0/3] leds: Introduce userspace leds driver Jacek Anaszewski
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