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[1/2] Documentation: leds: standardise keyboard backlight led names

Message ID 6F9E1BB7-5F25-4BE0-AE82-903B9B81109B@live.com
State New
Headers show
Series [1/2] Documentation: leds: standardise keyboard backlight led names | expand

Commit Message

Aditya Garg July 1, 2024, 7:20 p.m. UTC 
From: Orlando Chamberlain <orlandoch.dev@gmail.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@gmail.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
---
 Documentation/leds/well-known-leds.txt | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

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