Re: How to name multiple LEDs of the same type and color

[Marek Behun <marek.behun@nic.cz>]

On Sat, 19 Sep 2020 23:21:22 +0200
"Adrian Schmutzler" <mail@adrianschmutzler.de> wrote:

> Hi,
> 
> I wonder what would be the correct way to deal with a set of LEDs with the same color/function combination, e.g.
> 
> 	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>;
> 		};
> 	};
> 
> or
> 
> 	leds {
> 		compatible = "gpio-leds";
> 
> 		lan1 {
> 			function = LED_FUNCTION_LAN;
> 			color = <LED_COLOR_ID_GREEN>;
> 			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
> 		};
> 		lan2 {
> 			function = LED_FUNCTION_LAN;
> 			color = <LED_COLOR_ID_GREEN>;
> 			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
> 		};
> 		lan3 {
> 			function = LED_FUNCTION_LAN;
> 			color = <LED_COLOR_ID_GREEN>;
> 			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
> 		};
> 	};
> 
> These nodes will automatically create names like green:lan, green:lan_1, etc.
> 
> Is there a way to force a certain numbering scheme, e.g.
> green:lan1, green:lan2, etc.
> ?
> 
> (For the RSSI leds, we currently even have stuff like ...:green:rssilow, ...:green:rssimedium, etc. in the label now)
> 
> How does this match into the color/function concept?
> 
> Thanks for some pointers ...
> 
> Best
> 
> Adrian

Please look at function-enumerator property.