1 What: /sys/.../events/in_illuminance 1 What: /sys/.../events/in_illuminance0_thresh_either_en
2 Date: April 2012 2 Date: April 2012
3 KernelVersion: 3.5 3 KernelVersion: 3.5
4 Contact: Johan Hovold <jhovold@gmail.com 4 Contact: Johan Hovold <jhovold@gmail.com>
5 Description: 5 Description:
6 Event generated when channel p 6 Event generated when channel passes one of the four thresholds
7 in each direction (rising|fall 7 in each direction (rising|falling) and a zone change occurs.
8 The corresponding light zone c 8 The corresponding light zone can be read from
9 in_illuminance0_zone. 9 in_illuminance0_zone.
10 10
11 What: /sys/.../events/in_illuminance 11 What: /sys/.../events/in_illuminance0_threshY_hysteresis
12 Date: May 2012 12 Date: May 2012
13 KernelVersion: 3.5 13 KernelVersion: 3.5
14 Contact: Johan Hovold <jhovold@gmail.com 14 Contact: Johan Hovold <jhovold@gmail.com>
15 Description: 15 Description:
16 Get the hysteresis for thresho 16 Get the hysteresis for thresholds Y, that is,
17 threshY_hysteresis = threshY_r 17 threshY_hysteresis = threshY_raising - threshY_falling
18 18
19 What: /sys/.../events/illuminance_th 19 What: /sys/.../events/illuminance_threshY_falling_value
20 What: /sys/.../events/illuminance_th 20 What: /sys/.../events/illuminance_threshY_raising_value
21 Date: April 2012 21 Date: April 2012
22 KernelVersion: 3.5 22 KernelVersion: 3.5
23 Contact: Johan Hovold <jhovold@gmail.com 23 Contact: Johan Hovold <jhovold@gmail.com>
24 Description: 24 Description:
25 Specifies the value of thresho 25 Specifies the value of threshold that the device is comparing
26 against for the events enabled 26 against for the events enabled by
27 in_illuminance0_thresh_either_ 27 in_illuminance0_thresh_either_en (0..255), where Y in 0..3.
28 28
29 Note that threshY_falling must 29 Note that threshY_falling must be less than or equal to
30 threshY_raising. 30 threshY_raising.
31 31
32 These thresholds correspond to 32 These thresholds correspond to the eight zone-boundary
33 registers (boundaryY_{low,high 33 registers (boundaryY_{low,high}) and define the five light
34 zones. 34 zones.
35 35
36 What: /sys/bus/iio/devices/iio:devic 36 What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_zone
37 Date: April 2012 37 Date: April 2012
38 KernelVersion: 3.5 38 KernelVersion: 3.5
39 Contact: Johan Hovold <jhovold@gmail.com 39 Contact: Johan Hovold <jhovold@gmail.com>
40 Description: 40 Description:
41 Get the current light zone (0. 41 Get the current light zone (0..4) as defined by the
42 in_illuminance0_threshY_{falli 42 in_illuminance0_threshY_{falling,rising} thresholds.
43 43
44 What: /sys/bus/iio/devices/iio:devic 44 What: /sys/bus/iio/devices/iio:deviceX/out_currentY_currentZ_raw
45 Date: May 2012 45 Date: May 2012
46 KernelVersion: 3.5 46 KernelVersion: 3.5
47 Contact: Johan Hovold <jhovold@gmail.com 47 Contact: Johan Hovold <jhovold@gmail.com>
48 Description: 48 Description:
49 Set the output current for cha 49 Set the output current for channel out_currentY when in zone
50 Z (0..255), where Y in 0..2 an 50 Z (0..255), where Y in 0..2 and Z in 0..4.
51 51
52 These values correspond to the 52 These values correspond to the ALS-mapper target registers for
53 ALS-mapper Y + 1. 53 ALS-mapper Y + 1.
54 54
55 Note that out_currentY_raw pro 55 Note that out_currentY_raw provides the current for the
56 current zone. 56 current zone.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.