+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
+
+========================================
Describing and referring to LEDs in ACPI
+========================================
Individual LEDs are described by hierarchical data extension [6] nodes under the
device node, the LED driver chip. The "reg" property in the LED specific nodes
followed by the referred object name. That object shall be named "LED" followed
by the number of the LED.
-An ASL example of a camera sensor device and a LED driver device for two LEDs.
-Objects not relevant for LEDs or the references to them have been omitted.
+Example
+=======
+
+An ASL example of a camera sensor device and a LED driver device for two LEDs is
+show below. Objects not relevant for LEDs or the references to them have been
+omitted. ::
Device (LED)
{
}
where
+::
LED LED driver device
LED0 First LED
LED1 Second LED
- SEN Camera sensor device (or another device the LED is
- related to)
+ SEN Camera sensor device (or another device the LED is related to)
+
+References
+==========
[1] Device tree. <URL:http://www.devicetree.org>, referenced 2019-02-21.