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

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Message-ID: <20241007205315.2477060-1-heiko@sntech.de>
Date: Mon,  7 Oct 2024 22:53:15 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: lee@...nel.org
Cc: 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,
	heiko@...ech.de
Subject: [PATCH v2] dt-bindings: leds: Document "rc-feedback" trigger

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>
---
changes in v2:
- put the entry in the correct position and comment above it (Pavel)

 Documentation/devicetree/bindings/leds/common.yaml | 2 ++
 1 file changed, 2 insertions(+)

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
-- 
2.43.0