From: Pavel Machek <pavel@ucw.cz>
To: Adrian Schmutzler <mail@adrianschmutzler.de>
Cc: linux-leds@vger.kernel.org
Subject: Re: How to name multiple LEDs of the same type and color
Date: Sun, 20 Sep 2020 13:08:10 +0200 [thread overview]
Message-ID: <20200920110810.GA15219@duo.ucw.cz> (raw)
In-Reply-To: <00ab01d68eca$d2d4fcc0$787ef640$@adrianschmutzler.de>
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Hi!
> I wonder what would be the correct way to deal with a set of LEDs with the same color/function combination, e.g.
>
(Please wrap at 72).
> leds {
> compatible = "gpio-leds";
>
> link1 {
> function = LED_FUNCTION_RSSI;
> color = <LED_COLOR_ID_GREEN>;
> gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
> };
>
> link2 {
> function = LED_FUNCTION_RSSI;
> color = <LED_COLOR_ID_GREEN>;
> gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
> };
>
> link3 {
> function = LED_FUNCTION_RSSI;
> color = <LED_COLOR_ID_GREEN>;
> gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
> };
> };
Well, this is not really three LEDs. This is more like... LED meter
composed of three LEDs. And we don't have good support for that.
But I guess we'll need it one day. There were some previous attempts:
https://lwn.net/Articles/802967/
Do you plan to control RSSI LEDs from kernel?
Best 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:[~2020-09-20 11:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-19 21:21 How to name multiple LEDs of the same type and color Adrian Schmutzler
2020-09-20 1:17 ` Marek Behun
2020-09-20 11:08 ` Pavel Machek [this message]
2020-09-20 23:31 ` Adrian Schmutzler
2020-09-21 1:00 ` Marek Behun
2020-09-21 8:31 ` Pavel Machek
2020-09-21 9:49 ` Adrian Schmutzler
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