linux-kernel - Re: [PATCH v2] dt-bindings: leds: Expand LED_COLOR

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Date:   Mon, 29 Aug 2022 11:17:05 +0200
From:   Alexander Dahl <ada@...rsis.com>
To:     Olliver Schinagl <oliver@...inagl.nl>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Baolin Wang <baolin.wang@...aro.org>,
        Daniel Mack <daniel@...que.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Oleh Kravchenko <oleg@....org.ua>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Simon Shields <simon@...eageos.org>,
        Olliver Schinagl <oliver+list@...inagl.nl>,
        devicetree@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] dt-bindings: leds: Expand LED_COLOR_ID definitions

Hello Olliver,

Am Fri, Aug 12, 2022 at 04:31:55PM +0200 schrieb Olliver Schinagl:
> In commit 853a78a7d6c7 (dt-bindings: leds: Add LED_COLOR_ID definitions,
> 
> Sun Jun 9 20:19:04 2019 +0200) the most basic color definitions where
> added. However, there's a little more very common LED colors.
> 
> While the documentation states 'add what is missing', engineers tend to
> be lazy and will just use what currently exists. So this patch will take
> (a) list from online retailers [0], [1], [2] and use the common LED colors
> from
> there, this being reasonable as this is what is currently available to
> purchase.
> 
> Note, that LIME seems to be the modern take to 'Yellow-green' or
> 'Yellowish-green' from some older datasheets.
> 
> [0]: https://www.digikey.com/en/products/filter/led-lighting-color/125
> [1]: https://eu.mouser.com/c/optoelectronics/led-lighting/led-emitters/standard-leds-smd
> [2]: https://nl.farnell.com/en-NL/c/optoelectronics-displays/led-products/standard-single-colour-leds-under-75ma
> 
> Signed-off-by: Olliver Schinagl <oliver@...inagl.nl>
> ---
> 
> Changes since v1: Unbreak existing definitions.
> 
>  include/dt-bindings/leds/common.h | 28 ++++++++++++++++------------
>  1 file changed, 16 insertions(+), 12 deletions(-)
> 
> diff --git a/include/dt-bindings/leds/common.h
> b/include/dt-bindings/leds/common.h
> index 3be89a7c20a9..04bf94523ea3 100644
> --- a/include/dt-bindings/leds/common.h
> +++ b/include/dt-bindings/leds/common.h
> @@ -22,18 +22,22 @@
>  #define LEDS_BOOST_FIXED    2
> 
>  /* Standard LED colors */
> -#define LED_COLOR_ID_WHITE    0
> -#define LED_COLOR_ID_RED    1
> -#define LED_COLOR_ID_GREEN    2
> -#define LED_COLOR_ID_BLUE    3
> -#define LED_COLOR_ID_AMBER    4
> -#define LED_COLOR_ID_VIOLET    5
> -#define LED_COLOR_ID_YELLOW    6
> -#define LED_COLOR_ID_IR        7
> -#define LED_COLOR_ID_MULTI    8    /* For multicolor LEDs */
> -#define LED_COLOR_ID_RGB    9    /* For multicolor LEDs that can do
> arbitrary color,
> -                       so this would include RGBW and similar */
> -#define LED_COLOR_ID_MAX    10
> +#define LED_COLOR_ID_WHITE      0
> +#define LED_COLOR_ID_RED        1
> +#define LED_COLOR_ID_GREEN      2
> +#define LED_COLOR_ID_BLUE       3
> +#define LED_COLOR_ID_AMBER      4
> +#define LED_COLOR_ID_VIOLET     5
> +#define LED_COLOR_ID_YELLOW     6
> +#define LED_COLOR_ID_IR         7
> +#define LED_COLOR_ID_MULTI      8 /* For multicolor LEDs */
> +#define LED_COLOR_ID_RGB        9 /* For multicolor LEDs that can do
> arbitrary color, including RGBW etc. */
> +#define LED_COLOR_ID_PUPRPLE   10

Typo? Should be LED_COLOR_ID_PURPLE, right?

Greets
Alex

> +#define LED_COLOR_ID_ORANGE    11
> +#define LED_COLOR_ID_PINK      12
> +#define LED_COLOR_ID_CYAN      13
> +#define LED_COLOR_ID_LIME      14
> +#define LED_COLOR_ID_MAX       15
> 
>  /* Standard LED functions */
>  /* Keyboard LEDs, usually it would be input4::capslock etc. */
> -- 
> 2.37.1
>