1What:		/sys/class/leds/<led>/pattern
2Date:		September 2018
3KernelVersion:	4.20
4Description:
5		Specify a software pattern for the LED, that supports altering
6		the brightness for the specified duration with one software
7		timer. It can do gradual dimming and step change of brightness.
8
9		The pattern is given by a series of tuples, of brightness and
10		duration (ms).
11
12		The exact format is described in:
13		Documentation/devicetree/bindings/leds/leds-trigger-pattern.txt
14
15What:		/sys/class/leds/<led>/hw_pattern
16Date:		September 2018
17KernelVersion:	4.20
18Description:
19		Specify a hardware pattern for the LED, for LED hardware that
20		supports autonomously controlling brightness over time, according
21		to some preprogrammed hardware patterns. It deactivates any active
22		software pattern.
23
24		Since different LED hardware can have different semantics of
25		hardware patterns, each driver is expected to provide its own
26		description for the hardware patterns in their documentation
27		file at Documentation/leds/.
28
29What:		/sys/class/leds/<led>/repeat
30Date:		September 2018
31KernelVersion:	4.20
32Description:
33		Specify a pattern repeat number. -1 means repeat indefinitely,
34		other negative numbers and number 0 are invalid.
35
36		This file will always return the originally written repeat
37		number.
38
39		It should be noticed that some leds, like EL15203000 may
40		only support indefinitely patterns, so they always store -1.
41