linux-kernel - [PATCH 1/2] Documentation: leds: standardise keyboard backlight led names

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Date: Mon, 1 Jul 2024 19:20:04 +0000
From: Aditya Garg <gargaditya08@...e.com>
To: Pavel Machek <pavel@....cz>, "lee@...nel.org" <lee@...nel.org>, Jonathan
 Corbet <corbet@....net>, Jiri Kosina <jikos@...nel.org>, "bentiss@...nel.org"
	<bentiss@...nel.org>
CC: "linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>, Linux Kernel Mailing
 List <linux-kernel@...r.kernel.org>, "linux-input@...r.kernel.org"
	<linux-input@...r.kernel.org>, Orlando Chamberlain <orlandoch.dev@...il.com>,
	Kerem Karabay <kekrby@...il.com>, Andy Shevchenko
	<andy.shevchenko@...il.com>, Thomas Weißschuh
	<linux@...ssschuh.net>
Subject: [PATCH 1/2] Documentation: leds: standardise keyboard backlight led
 names

From: Orlando Chamberlain <orlandoch.dev@...il.com>

Advice use of either "input*:*:kbd_backlight" or ":*:kbd_backlight". We
don't want people using vendor or product name (e.g. "smc", "apple",
"asus") as this information is available from sysfs anyway, and it made the
folder names inconsistent.

Signed-off-by: Orlando Chamberlain <orlandoch.dev@...il.com>
Signed-off-by: Aditya Garg <gargaditya08@...e.com>
---
 Documentation/leds/well-known-leds.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/leds/well-known-leds.txt b/Documentation/leds/well-known-leds.txt
index 2160382c86be..4e5429fce4d8 100644
--- a/Documentation/leds/well-known-leds.txt
+++ b/Documentation/leds/well-known-leds.txt
@@ -44,6 +44,14 @@ Legacy: "lp5523:kb{1,2,3,4,5,6}" (Nokia N900)
 
 Frontlight/backlight of main keyboard.
 
+Good: ":*:kbd_backlight"
+Good: "input*:*:kbd_backlight"
+Legacy: "*:*:kbd_backlight"
+
+Many drivers have the vendor or product name as the first field of the led name,
+this makes names inconsistent and is redundant as that information is already in
+sysfs.
+
 Legacy: "button-backlight" (Motorola Droid 4)
 
 Some phones have touch buttons below screen; it is different from main
-- 
2.39.1