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What:		/sys/class/leds/<led>/hw_pattern
Date:		September 2019
KernelVersion:	5.5
Description:
		Specify a hardware pattern for the EL15203000 LED.
		The LEDs board supports only predefined patterns by firmware
		for specific LEDs.

		Breathing mode for Screen frame light tube::

		    "0 4000 1 4000"

			^
			|
		    Max-|     ---
			|    /   \
			|   /     \
			|  /       \     /
			| /         \   /
		    Min-|-           ---
			|
			0------4------8--> time (sec)

		Cascade mode for Pipe LED::

		    "1 800 2 800 4 800 8 800 16 800"

			^
			|
		    0 On -|----+                   +----+                   +---
			|    |                   |    |                   |
		    Off-|    +-------------------+    +-------------------+
			|
		    1 On -|    +----+                   +----+
			|    |    |                   |    |
		    Off |----+    +-------------------+    +------------------
			|
		    2 On -|         +----+                   +----+
			|         |    |                   |    |
		    Off-|---------+    +-------------------+    +-------------
			|
		    3 On -|              +----+                   +----+
			|              |    |                   |    |
		    Off-|--------------+    +-------------------+    +--------
			|
		    4 On -|                   +----+                   +----+
			|                   |    |                   |    |
		    Off-|-------------------+    +-------------------+    +---
			|
			0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)

		Inverted cascade mode for Pipe LED::

		    "30 800 29 800 27 800 23 800 15 800"

			^
			|
		    0 On -|    +-------------------+    +-------------------+
			|    |                   |    |                   |
		    Off-|----+                   +----+                   +---
			|
		    1 On -|----+    +-------------------+    +------------------
			|    |    |                   |    |
		    Off |    +----+                   +----+
			|
		    2 On -|---------+    +-------------------+    +-------------
			|         |    |                   |    |
		    Off-|         +----+                   +----+
			|
		    3 On -|--------------+    +-------------------+    +--------
			|              |    |                   |    |
		    Off-|              +----+                   +----+
			|
		    4 On -|-------------------+    +-------------------+    +---
			|                   |    |                   |    |
		    Off-|                   +----+                   +----+
			|
			0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)

		Bounce mode for Pipe LED::

		    "1 800 2 800 4 800 8 800 16 800 16 800 8 800 4 800 2 800 1 800"

			^
			|
		    0 On -|----+                                       +--------
			|    |                                       |
		    Off-|    +---------------------------------------+
			|
		    1 On -|    +----+                             +----+
			|    |    |                             |    |
		    Off |----+    +-----------------------------+    +--------
			|
		    2 On -|         +----+                   +----+
			|         |    |                   |    |
		    Off-|---------+    +-------------------+    +-------------
			|
		    3 On -|              +----+         +----+
			|              |    |         |    |
		    Off-|--------------+    +---------+    +------------------
			|
		    4 On -|                   +---------+
			|                   |         |
		    Off-|-------------------+         +-----------------------
			|
			0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)

		Inverted bounce mode for Pipe LED::

		    "30 800 29 800 27 800 23 800 15 800 15 800 23 800 27 800 29 800 30 800"

			^
			|
		    0 On -|    +---------------------------------------+
			|    |                                       |
		    Off-|----+                                       +--------
			|
		    1 On -|----+    +-----------------------------+    +--------
			|    |    |                             |    |
		    Off |    +----+                             +----+
			|
		    2 On -|---------+    +-------------------+    +-------------
			|         |    |                   |    |
		    Off-|         +----+                   +----+
			|
		    3 On -|--------------+    +---------+    +------------------
			|              |    |         |    |
		    Off-|              +----+         +----+
			|
		    4 On -|-------------------+         +-----------------------
			|                   |         |
		    Off-|                   +---------+
			|
			0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)

What:		/sys/class/leds/<led>/repeat
Date:		September 2019
KernelVersion:	5.5
Description:
		EL15203000 supports only indefinitely patterns,
		so this file should always store -1.

		For more info, please see:
		Documentation/ABI/testing/sysfs-class-led-trigger-pattern