Lines Matching refs:LED
2 LED handling under Linux
5 In its simplest form, the LED class just allows control of LEDs from
7 LED is defined in max_brightness file. The brightness file will set the brightness
8 of the LED (taking a value 0-max_brightness). Most LEDs don't have hardware
11 The class also introduces the optional concept of an LED trigger. A trigger
18 Complex triggers whilst available to all LEDs have LED specific
19 parameters and work on a per LED basis. The timer trigger is an example.
20 The timer trigger will periodically change the LED brightness between
23 You can change the brightness value of a LED independently of the timer
41 LED Device Naming
48 There have been calls for LED properties such as colour to be exported as
59 support this feature, a LED driver can optionally implement the
60 blink_set() function (see <linux/leds.h>). To set an LED to blinking,
65 as that will not just set the LED brightness but also stop any software
74 should completely turn off the LED and cancel the previously programmed
81 The LED Trigger core cannot be a module as the simple trigger functions
84 rest of the LED subsystem can be modular.
90 At the moment, a trigger can't be created specifically for a single LED.
92 particular LED (ACPI?). The addition of triggers provided by the LED driver