Re: [PATCH v2 1/3] dt-bindings: leds: common: Drop enumeration for linux,default-triggers

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Hi Chen-Yu,

> From: Chen-Yu Tsai <wens@xxxxxxxx>
> 
> The bindings currently list a very small subset of valid triggers for
> LEDs. Since many drivers or subsystems in Linux register custom
> triggers, the list would become very hard to maintain.
> 
> Instead, just drop the list and allow free form strings.
> 
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
>  .../devicetree/bindings/leds/common.yaml      | 21 +------------------
>  1 file changed, 1 insertion(+), 20 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
> index 4c270fde4567..3b3cdab3fc15 100644
> --- a/Documentation/devicetree/bindings/leds/common.yaml
> +++ b/Documentation/devicetree/bindings/leds/common.yaml
> @@ -79,26 +79,7 @@ properties:
>      description:
>        This parameter, if present, is a string defining the trigger assigned to
>        the LED.
> -    allOf:
> -      - $ref: /schemas/types.yaml#definitions/string
> -    enum:
> -        # LED will act as a back-light, controlled by the framebuffer system
> -      - backlight
> -        # LED will turn on (but for leds-gpio see "default-state" property in
> -        # Documentation/devicetree/bindings/leds/leds-gpio.yaml)
> -      - default-on
> -        # LED "double" flashes at a load average based rate
> -      - heartbeat
> -        # LED indicates disk activity
> -      - disk-activity
> -        # LED indicates IDE disk activity (deprecated), in new implementations
> -        # use "disk-activity"
> -      - ide-disk
> -        # LED flashes at a fixed, configurable rate
> -      - timer
> -        # LED alters the brightness for the specified duration with one software
> -        # timer (requires "led-pattern" property)
> -      - pattern
> +    $ref: /schemas/types.yaml#definitions/string

This makes it free form, but deletes the documentation of options that
are standard available for people without custom driver.
Where should that info go?

>  
>    led-pattern:
>      description: |
> -- 
> 2.26.0




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