1 What: /sys/class/leds/<led>/flash_br
2 Date: March 2015
3 KernelVersion: 4.0
4 Contact: Jacek Anaszewski <j.anaszewski@
5 Description: read/write
6 Set the brightness of this LED
7 microamperes. The file is crea
8 that support setting flash bri
9
10 The value is between 0 and
11 /sys/class/leds/<led>/max_flas
12
13 What: /sys/class/leds/<led>/max_flas
14 Date: March 2015
15 KernelVersion: 4.0
16 Contact: Jacek Anaszewski <j.anaszewski@
17 Description: read only
18 Maximum brightness level for t
19 in microamperes.
20
21 What: /sys/class/leds/<led>/flash_ti
22 Date: March 2015
23 KernelVersion: 4.0
24 Contact: Jacek Anaszewski <j.anaszewski@
25 Description: read/write
26 Hardware timeout for flash, in
27 is stopped after this period o
28 of the strobe. The file is cre
29 devices that support setting f
30
31 What: /sys/class/leds/<led>/max_flas
32 Date: March 2015
33 KernelVersion: 4.0
34 Contact: Jacek Anaszewski <j.anaszewski@
35 Description: read only
36 Maximum flash timeout for this
37
38 What: /sys/class/leds/<led>/flash_st
39 Date: March 2015
40 KernelVersion: 4.0
41 Contact: Jacek Anaszewski <j.anaszewski@
42 Description: read/write
43 Flash strobe state. When writt
44 and when written with 0 it tur
45
46 On read 1 means that flash is
47 that flash is off.
48
49 What: /sys/class/leds/<led>/flash_fa
50 Date: March 2015
51 KernelVersion: 4.0
52 Contact: Jacek Anaszewski <j.anaszewski@
53 Description: read only
54 Space separated list of flash
55 Flash faults are re-read after
56 flash faults:
57
58 * led-over-voltage
59 flash controller volta
60 has exceeded the limit
61 * flash-timeout-exceeded
62 the flash strobe was s
63 the timeout set by the
64 controllers may set th
65 * controller-over-temperature
66 the flash controller h
67 overheated
68 * controller-short-circuit
69 the short circuit prot
70 of the flash controlle
71 * led-power-supply-over-curren
72 current in the LED pow
73 supply has exceeded th
74 controller
75 * indicator-led-fault
76 the flash controller h
77 a short or open circui
78 * led-under-voltage
79 flash controller volta
80 LED has been below the
81 the flash
82 * controller-under-voltage
83 the input voltage of t
84 controller is below th
85 flash at full current
86 the condition persists
87 * led-over-temperature
88 the temperature of the
89 its allowed upper limi
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