Lines Matching refs:trigger

4 The leds timer trigger does not currently have an interface to activate
9 should stay in off state. The on and off cycle repeats until the trigger
14 Without one shot timer interface, user space can still use timer trigger to
25 Transient trigger addresses the need for one shot timer activation. The
26 transient trigger can be enabled and disabled just like the other leds
30 triggers it supports and a default trigger. During registration, activation
31 routine for the default trigger gets called. During registration of an led
35 trigger will be called, and LED state is changed to LED_OFF.
39 suspend and resume actions and the currently enabled trigger. LED state
47 echo 0 > brightness, it will result in deactivating the current trigger.
49 Transient trigger uses standard register and unregister interfaces. During
50 trigger registration, for each led class device that specifies this trigger
51 as its default trigger, trigger activation routine will get called. During
52 registration, the LED state does not change, unless there is another trigger
55 During trigger unregistration, LED state gets changed to LED_OFF.
57 Transient trigger activation routine doesn't change the LED state. It
58 creates its properties and does its initialization. Transient trigger
64 Transient trigger can be enabled and disabled from user space on led class
65 devices, that support this trigger as shown below:
67 echo transient > trigger
68 echo none > trigger
70 NOTE: Add a new property trigger state to control the state.
72 This trigger exports three properties, activate, state, and duration. When
73 transient trigger is activated these properties are set to default values.
78   duration to be set after trigger activation.
84 		default value is zero when transient trigger is enabled,
94 		get changed by the trigger unless user does a set via
138 	echo transient > trigger
144 	echo none > trigger
146 This trigger is intended to be used for for the following example use cases: