1.. SPDX-License-Identifier: GPL-2.0
  2
  3==================================
  4Kernel driver for Crane EL15203000
  5==================================
  6
  7/sys/class/leds/<led>/hw_pattern
  8--------------------------------
  9
 10Specify a hardware pattern for the EL15203000 LED.
 11
 12The LEDs board supports only predefined patterns by firmware
 13for specific LEDs.
 14
 15Breathing mode for Screen frame light tube::
 16
 17    "0 4000 1 4000"
 18
 19	^
 20	|
 21    Max-|     ---
 22	|    /   \
 23	|   /     \
 24	|  /       \     /
 25	| /         \   /
 26    Min-|-           ---
 27	|
 28	0------4------8--> time (sec)
 29
 30Cascade mode for Pipe LED::
 31
 32    "1 800 2 800 4 800 8 800 16 800"
 33
 34	^
 35	|
 36  0 On -|----+                   +----+                   +---
 37	|    |                   |    |                   |
 38    Off-|    +-------------------+    +-------------------+
 39	|
 40  1 On -|    +----+                   +----+
 41	|    |    |                   |    |
 42    Off |----+    +-------------------+    +------------------
 43	|
 44  2 On -|         +----+                   +----+
 45	|         |    |                   |    |
 46    Off-|---------+    +-------------------+    +-------------
 47	|
 48  3 On -|              +----+                   +----+
 49	|              |    |                   |    |
 50    Off-|--------------+    +-------------------+    +--------
 51	|
 52  4 On -|                   +----+                   +----+
 53	|                   |    |                   |    |
 54    Off-|-------------------+    +-------------------+    +---
 55	|
 56	0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
 57
 58Inverted cascade mode for Pipe LED::
 59
 60    "30 800 29 800 27 800 23 800 15 800"
 61
 62	^
 63	|
 64  0 On -|    +-------------------+    +-------------------+
 65	|    |                   |    |                   |
 66    Off-|----+                   +----+                   +---
 67	|
 68  1 On -|----+    +-------------------+    +------------------
 69	|    |    |                   |    |
 70    Off |    +----+                   +----+
 71	|
 72  2 On -|---------+    +-------------------+    +-------------
 73	|         |    |                   |    |
 74    Off-|         +----+                   +----+
 75	|
 76  3 On -|--------------+    +-------------------+    +--------
 77	|              |    |                   |    |
 78    Off-|              +----+                   +----+
 79	|
 80  4 On -|-------------------+    +-------------------+    +---
 81	|                   |    |                   |    |
 82    Off-|                   +----+                   +----+
 83	|
 84	0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
 85
 86Bounce mode for Pipe LED::
 87
 88    "1 800 2 800 4 800 8 800 16 800 16 800 8 800 4 800 2 800 1 800"
 89
 90	^
 91	|
 92  0 On -|----+                                       +--------
 93	|    |                                       |
 94    Off-|    +---------------------------------------+
 95	|
 96  1 On -|    +----+                             +----+
 97	|    |    |                             |    |
 98    Off |----+    +-----------------------------+    +--------
 99	|
100  2 On -|         +----+                   +----+
101	|         |    |                   |    |
102    Off-|---------+    +-------------------+    +-------------
103	|
104  3 On -|              +----+         +----+
105	|              |    |         |    |
106    Off-|--------------+    +---------+    +------------------
107	|
108  4 On -|                   +---------+
109	|                   |         |
110    Off-|-------------------+         +-----------------------
111	|
112	0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
113
114Inverted bounce mode for Pipe LED::
115
116    "30 800 29 800 27 800 23 800 15 800 15 800 23 800 27 800 29 800 30 800"
117
118	^
119	|
120  0 On -|    +---------------------------------------+
121	|    |                                       |
122    Off-|----+                                       +--------
123	|
124  1 On -|----+    +-----------------------------+    +--------
125	|    |    |                             |    |
126    Off |    +----+                             +----+
127	|
128  2 On -|---------+    +-------------------+    +-------------
129	|         |    |                   |    |
130    Off-|         +----+                   +----+
131	|
132  3 On -|--------------+    +---------+    +------------------
133	|              |    |         |    |
134    Off-|              +----+         +----+
135	|
136  4 On -|-------------------+         +-----------------------
137	|                   |         |
138    Off-|                   +---------+
139	|
140	0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)