From: Pavel Machek <pavel@ucw.cz>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>,
linux-leds@vger.kernel.org,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rob Herring <robh@kernel.org>,
Baolin Wang <baolin.wang@linaro.org>,
Daniel Mack <daniel@zonque.org>,
dmurphy@ti.com, Linus Walleij <linus.walleij@linaro.org>,
oleg@kaa.org.ua, Sakari Ailus <sakari.ailus@linux.intel.com>,
simon@lineageos.org, xiaotong.lu@spreadtrum.com
Subject: Re: [PATCH 02/24] leds: core: Add support for composing LED class device names
Date: Tue, 13 Nov 2018 22:50:40 +0100 [thread overview]
Message-ID: <20181113215040.GA2235@amd> (raw)
In-Reply-To: <CAMuHMdVAYpXPZie8DTrmMz+KXiVP=WNyFNtfTZPYHYkFOa9wqg@mail.gmail.com>
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On Tue 2018-11-13 22:38:49, Geert Uytterhoeven wrote:
> Hi Pavel,
>
> On Mon, Nov 12, 2018 at 11:07 PM Pavel Machek <pavel@ucw.cz> wrote:
> > Not really, I'm afraid. Hard drives have no red LEDs on them (and the
> > LED would not be visible, anyway) so the "device" symlink in such case
> > would point to some kind of i2c LED controller.
>
> I've seen hard drives with LEDs on the PCB.
Me too.
> External USB enclosures with hard drives typically have LEDs, too.
Yes, but typically neither are OS controlled.
I'm thinking home NAS system; it may have per-disk LEDs and they'll
probably be on some kind of dedicated LED controller.
Anyway, my point is that "device that controls this LED" is often
different from "device this LED is about".
Regards,
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:[~2018-11-13 21:50 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-06 22:07 [PATCH 00/24] Add generic support for composing LED class device name Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 01/24] leds: class: Improve LED and LED flash class registration API Jacek Anaszewski
2018-11-07 6:55 ` Baolin Wang
2018-11-07 20:51 ` Jacek Anaszewski
2018-11-08 17:50 ` Dan Murphy
2018-11-08 20:47 ` Jacek Anaszewski
2018-11-11 11:31 ` Pavel Machek
2018-11-06 22:07 ` [PATCH 02/24] leds: core: Add support for composing LED class device names Jacek Anaszewski
2018-11-07 7:20 ` Baolin Wang
2018-11-08 20:47 ` Jacek Anaszewski
2018-11-09 2:35 ` Baolin Wang
2018-11-08 18:06 ` Dan Murphy
2018-11-08 20:48 ` Jacek Anaszewski
2018-11-11 12:02 ` Pavel Machek
2018-11-11 20:02 ` Jacek Anaszewski
2018-11-11 20:16 ` Pavel Machek
2018-11-11 21:14 ` Jacek Anaszewski
2018-11-12 0:01 ` Vesa Jääskeläinen
2018-11-12 15:59 ` Jacek Anaszewski
2018-11-12 21:25 ` Linus Walleij
2018-11-12 22:11 ` LEDs on USB keyboards was " Pavel Machek
2018-11-12 10:35 ` Pavel Machek
2018-11-12 16:01 ` Jacek Anaszewski
2018-11-12 19:05 ` Pavel Machek
2018-11-12 20:11 ` Jacek Anaszewski
2018-11-12 22:06 ` Pavel Machek
2018-11-13 20:57 ` Jacek Anaszewski
2018-11-13 21:38 ` Geert Uytterhoeven
2018-11-13 21:50 ` Pavel Machek [this message]
2018-11-12 21:23 ` Linus Walleij
2018-11-13 19:55 ` Jacek Anaszewski
2018-11-15 9:10 ` Linus Walleij
2018-11-06 22:07 ` [PATCH 03/24] leds: dt-bindings: Add LED_FUNCTION definitions Jacek Anaszewski
2018-11-07 8:36 ` Vokáč Michal
2018-11-07 19:28 ` Jacek Anaszewski
2018-11-08 15:13 ` Rob Herring
2018-11-08 21:03 ` Jacek Anaszewski
2018-11-11 11:31 ` Pavel Machek
2018-11-11 20:02 ` Jacek Anaszewski
2018-11-11 20:20 ` Pavel Machek
2018-11-11 21:16 ` Jacek Anaszewski
2018-11-12 0:25 ` Vesa Jääskeläinen
2018-11-12 16:01 ` Jacek Anaszewski
2018-11-15 9:16 ` Linus Walleij
2018-11-06 22:07 ` [PATCH 04/24] dt-bindings: leds: Add function and color properties Jacek Anaszewski
2018-11-08 18:00 ` Dan Murphy
2018-11-08 20:47 ` Jacek Anaszewski
2018-11-08 21:08 ` Dan Murphy
2018-11-09 20:00 ` Jacek Anaszewski
2018-11-09 8:32 ` Vesa Jääskeläinen
2018-11-09 20:42 ` Jacek Anaszewski
2018-11-10 17:19 ` Vesa Jääskeläinen
2018-11-12 16:02 ` Jacek Anaszewski
2018-11-13 7:10 ` Vesa Jääskeläinen
2018-11-13 19:02 ` Jacek Anaszewski
[not found] ` <5bea0eb8.1c69fb81.6b921.80e6@mx.google.com>
2018-11-13 20:57 ` Jacek Anaszewski
2018-11-27 20:37 ` Jacek Anaszewski
2018-11-30 14:38 ` Rob Herring
2018-11-30 21:08 ` Pavel Machek
2018-11-30 22:19 ` Rob Herring
2018-12-01 21:17 ` Jacek Anaszewski
2018-12-11 17:27 ` Rob Herring
2018-12-11 22:44 ` Pavel Machek
2018-12-21 10:12 ` Linus Walleij
2018-12-12 9:59 ` Pavel Machek
2018-12-12 13:56 ` Rob Herring
2018-12-12 18:32 ` Pavel Machek
2018-12-23 20:11 ` Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 05/24] dt-bindings: sc27xx-blt: " Jacek Anaszewski
2018-11-11 14:29 ` Pavel Machek
2018-11-11 20:03 ` Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 06/24] leds: sc27xx-blt: Use led_compose_name() Jacek Anaszewski
2018-11-07 7:22 ` Baolin Wang
2018-11-11 14:31 ` Pavel Machek
2018-11-06 22:07 ` [PATCH 07/24] dt-bindings: lt3593: Add function and color properties Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 08/24] leds: lt3593: Use led_compose_name() Jacek Anaszewski
2018-11-07 19:37 ` Daniel Mack
2018-11-07 19:49 ` Jacek Anaszewski
2018-11-08 8:33 ` Daniel Mack
2018-11-06 22:07 ` [PATCH 09/24] dt-bindings: lp8860: Add function and color properties Jacek Anaszewski
2018-11-08 18:01 ` Dan Murphy
2018-11-06 22:07 ` [PATCH 10/24] leds: lp8860: Use led_compose_name() Jacek Anaszewski
2018-11-08 18:16 ` Dan Murphy
2018-11-08 20:48 ` Jacek Anaszewski
2018-11-12 14:05 ` Dan Murphy
2018-11-06 22:07 ` [PATCH 11/24] dt-bindings: lm3692x: Add function and color properties Jacek Anaszewski
2018-11-08 18:12 ` Dan Murphy
2018-11-06 22:07 ` [PATCH 12/24] leds: lm3692x: Use led_compose_name() Jacek Anaszewski
2018-11-08 18:14 ` Dan Murphy
2018-11-08 20:48 ` Jacek Anaszewski
2018-11-08 21:11 ` Dan Murphy
2018-11-11 14:31 ` Pavel Machek
2018-11-06 22:07 ` [PATCH 13/24] dt-bindings: lm36010: Add function and color properties Jacek Anaszewski
2018-11-08 18:15 ` Dan Murphy
2018-11-06 22:07 ` [PATCH 14/24] leds: lm3601x: Use led_compose_name() Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 15/24] dt-bindings: cr0014114: Add function and color properties Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 16/24] leds: cr0014114: Use led_compose_name() Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 17/24] dt-bindings: aat1290: Add function and color properties Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 18/24] leds: aat1290: Use led_compose_name() Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 19/24] dt-bindings: as3645a: Add function and color properties Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 20/24] leds: as3645a: Use led_compose_name() Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 21/24] dt-bindings: leds-gpio: Add function and color properties Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 22/24] leds: gpio: Use led_compose_name() Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 23/24] dt-bindings: an30259a: Add function and color properties Jacek Anaszewski
2018-11-06 22:07 ` [PATCH 24/24] leds: an30259a: Use led_compose_name() Jacek Anaszewski
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