Lines Matching +full:disable +full:- +full:leds

5 In its simplest form, the LED class just allows control of LEDs from
6 userspace. LEDs appear in /sys/class/leds/. The maximum brightness of the
8 of the LED (taking a value 0-max_brightness). Most LEDs don't have hardware
9 brightness support so will just be turned on for non-zero brightness settings.
14 existing subsystems with minimal additional code. Examples are the disk-activity,
15 nand-disk and sharpsl-charge triggers. With led triggers disabled, the code
18 Complex triggers while available to all LEDs have LED specific
22 be specified via /sys/class/leds/<device>/delay_{on,off} in milliseconds.
25 also disable the timer trigger.
28 is chosen (via /sys/class/leds/<device>/trigger). Trigger specific
29 parameters can appear in /sys/class/leds/<device> once a given trigger is
36 The underlying design philosophy is simplicity. LEDs are simple devices
48 - devicename:
53         retrieved using get_led_device_info.sh script from tools/leds; generally
54         this section is expected mostly for LEDs that are somehow associated with
57 - color:
59         include/dt-bindings/leds/common.h.
61 - function:
63         include/dt-bindings/leds/common.h.
66 to linux-leds@vger.kernel.org.
71 name with required "-N" suffix in the driver. fwnode based drivers can use
72 function-enumerator property for that and then the concatenation will be handled
76 when LED class device is created by a driver of hot-pluggable device and
84 (see tools/leds/get_led_device_info.sh).
88   - "red:disk"
89   - "white:flash"
90   - "red:indicator"
91   - "phy1:green:wlan"
92   - "phy3::wlan"
93   - ":kbd_backlight"
94   - "input5::kbd_backlight"
95   - "input3::numlock"
96   - "input3::scrolllock"
97   - "input3::capslock"
98   - "mmc1::status"
99   - "white:status"
105 of associations between LEDs and following types of devices:
107         - input devices
108         - ieee80211 compliant USB devices
124     - led_set_brightness:
128     - led_set_brightness_sync:
129 		for use cases when immediate effect is desired -
132 		blinking, returns -EBUSY if software blink fallback is enabled.
142 free-ing the led_classdev struct.
150 Hardware accelerated blink of LEDs
153 Some LEDs can be programmed to blink without any CPU interaction. To
155 blink_set() function (see <linux/leds.h>). To set an LED to blinking,
166 delay_off parameters to the leds subsystem.