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-rw-r--r--Documentation/ABI/testing/sysfs-class-led-trigger-pattern10
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diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-pattern b/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
index 8c57d2780554..22f28f2e9ac4 100644
--- a/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
+++ b/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
@@ -12,6 +12,16 @@ Description:
The exact format is described in:
Documentation/devicetree/bindings/leds/leds-trigger-pattern.txt
+What: /sys/class/leds/<led>/hr_pattern
+Date: April 2024
+Description:
+ Specify a software pattern for the LED, that supports altering
+ the brightness for the specified duration with one software
+ timer. It can do gradual dimming and step change of brightness.
+
+ Unlike the /sys/class/leds/<led>/pattern, this attribute runs
+ a pattern on high-resolution timer (hrtimer).
+
What: /sys/class/leds/<led>/hw_pattern
Date: September 2018
KernelVersion: 4.20