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Commit | Line | Data |
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a59ec1e7 MH |
1 | What: /sys/class/backlight/<backlight>/<ambient light zone>_max |
2 | What: /sys/class/backlight/<backlight>/l1_daylight_max | |
3 | What: /sys/class/backlight/<backlight>/l2_bright_max | |
4 | What: /sys/class/backlight/<backlight>/l3_office_max | |
5 | What: /sys/class/backlight/<backlight>/l4_indoor_max | |
6 | What: /sys/class/backlight/<backlight>/l5_dark_max | |
e117d10d JJ |
7 | Date: May 2011 |
8 | KernelVersion: 3.0 | |
a59ec1e7 MH |
9 | Contact: device-drivers-devel@blackfin.uclinux.org |
10 | Description: | |
11 | Control the maximum brightness for <ambient light zone> | |
12 | on this <backlight>. Values are between 0 and 127. This file | |
13 | will also show the brightness level stored for this | |
14 | <ambient light zone>. | |
15 | ||
16 | What: /sys/class/backlight/<backlight>/<ambient light zone>_dim | |
17 | What: /sys/class/backlight/<backlight>/l2_bright_dim | |
18 | What: /sys/class/backlight/<backlight>/l3_office_dim | |
19 | What: /sys/class/backlight/<backlight>/l4_indoor_dim | |
20 | What: /sys/class/backlight/<backlight>/l5_dark_dim | |
e117d10d JJ |
21 | Date: May 2011 |
22 | KernelVersion: 3.0 | |
a59ec1e7 MH |
23 | Contact: device-drivers-devel@blackfin.uclinux.org |
24 | Description: | |
25 | Control the dim brightness for <ambient light zone> | |
26 | on this <backlight>. Values are between 0 and 127, typically | |
27 | set to 0. Full off when the backlight is disabled. | |
28 | This file will also show the dim brightness level stored for | |
29 | this <ambient light zone>. | |
30 | ||
31 | What: /sys/class/backlight/<backlight>/ambient_light_level | |
e117d10d JJ |
32 | Date: May 2011 |
33 | KernelVersion: 3.0 | |
a59ec1e7 MH |
34 | Contact: device-drivers-devel@blackfin.uclinux.org |
35 | Description: | |
36 | Get conversion value of the light sensor. | |
37 | This value is updated every 80 ms (when the light sensor | |
38 | is enabled). Returns integer between 0 (dark) and | |
39 | 8000 (max ambient brightness) | |
40 | ||
41 | What: /sys/class/backlight/<backlight>/ambient_light_zone | |
e117d10d JJ |
42 | Date: May 2011 |
43 | KernelVersion: 3.0 | |
a59ec1e7 MH |
44 | Contact: device-drivers-devel@blackfin.uclinux.org |
45 | Description: | |
46 | Get/Set current ambient light zone. Reading returns | |
47 | integer between 1..5 (1 = daylight, 2 = bright, ..., 5 = dark). | |
48 | Writing a value between 1..5 forces the backlight controller | |
49 | to enter the corresponding ambient light zone. | |
50 | Writing 0 returns to normal/automatic ambient light level | |
51 | operation. The ambient light sensing feature on these devices | |
52 | is an extension to the API documented in | |
53 | Documentation/ABI/stable/sysfs-class-backlight. | |
54 | It can be enabled by writing the value stored in | |
55 | /sys/class/backlight/<backlight>/max_brightness to | |
f9028317 | 56 | /sys/class/backlight/<backlight>/brightness. |