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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 1ea1d6a847d2b1d17fefd9196664b95f052a0775 / . / Documentation / leds / leds-el15203000.rst
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Mauro Carvalho Chehab26a07552020-10-30 08:40:57 +0100[diff] [blame]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)