linux-kernel - Re: [PATCH v2] dt-bindings: leds: Document "rc-feedback" trigger

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Message-ID: <ZwWEr6E+Br597eaR@duo.ucw.cz>
Date: Tue, 8 Oct 2024 21:14:55 +0200
From: Pavel Machek <pavel@....cz>
To: Heiko Stuebner <heiko@...ech.de>
Cc: lee@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, linux-leds@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: leds: Document "rc-feedback" trigger

On Mon 2024-10-07 22:53:15, Heiko Stuebner wrote:
> Document the "rc-feedback" trigger which is used to control LEDs by
> remote control device activity. This is an existing trigger used in
> existing DTs, document it so validation of those DTs would pass.
> 
> It was originally introduced into the Linux kernel in 2013 with
> commit 153a60bb0fac ("[media] rc: add feedback led trigger for rc keypresses")
> 
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>

Acked-by: Pavel Machek <pavel@....cz>

> diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
> index bf9a101e4d42..9cd89f30fa7c 100644
> --- a/Documentation/devicetree/bindings/leds/common.yaml
> +++ b/Documentation/devicetree/bindings/leds/common.yaml
> @@ -118,6 +118,8 @@ properties:
>              # No trigger assigned to the LED. This is the default mode
>              # if trigger is absent
>            - none
> +            # LED indicates remote control feedback
> +          - rc-feedback
>              # LED indicates camera torch state
>            - torch
>              # LED indicates USB gadget activity

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