1 /* SPDX-License-Identifier: GPL-2.0-only */
11 #include <dt-bindings/leds/common.h>
46 	 * default <color:function> tuple, for backward compatibility
47 	 * with in-driver hard-coded LED names used as a fallback when
60 	 * only LEDs exposed by drivers of hot-pluggable devices should
106 	 * Set LED brightness level immediately - it can block the caller for
116 	 * and if both are zero then a sensible default should be chosen.
134 	const char		*default_trigger;	/* Trigger to use */
146 	/* Protects the trigger data below */
149 	struct led_trigger	*trigger;  member
152 	/* true if activated - deactivate routine uses it to do cleanup */
169  * led_classdev_register_ext - register a new object of LED class with
184  * led_classdev_register - register a new object of LED class
220  * led_blink_set - set blinking with software fallback
231  * led_cdev->brightness_set() will not stop the blinking,
237  * led_blink_set_oneshot - do a oneshot software blink
244  * delay_off time, ignoring the request if another one-shot
248  * delay_on and leave the led on after the on-off cycle.
254  * led_set_brightness - set LED brightness
265  * led_set_brightness_sync - set LED brightness synchronously
278  * led_update_brightness - update LED brightness
281  * Get an LED's current brightness and update led_cdev->brightness
289  * led_get_default_pattern - return default pattern
291  * @led_cdev: the LED to get default pattern for
295  * Return:    Allocated array of integers with default pattern from device tree
301  * led_sysfs_disable - disable LED sysfs interface
309  * led_sysfs_enable - enable LED sysfs interface
317  * led_compose_name - compose LED class device name
332  * led_sysfs_is_disabled - check if LED sysfs interface is disabled
339 	return led_cdev->flags & LED_SYSFS_DISABLE;  in led_sysfs_is_disabled()
354 	/* Trigger Properties */
359 	/* LED-private triggers have this set */
362 	/* LEDs under control by this trigger (for simple triggers) */
366 	/* Link to next registered trigger */
382 int led_trigger_register(struct led_trigger *trigger);
383 void led_trigger_unregister(struct led_trigger *trigger);
385 				     struct led_trigger *trigger);
388 				struct led_trigger **trigger);
389 void led_trigger_unregister_simple(struct led_trigger *trigger);
390 void led_trigger_event(struct led_trigger *trigger,  enum led_brightness event);
391 void led_trigger_blink(struct led_trigger *trigger, unsigned long *delay_on,
393 void led_trigger_blink_oneshot(struct led_trigger *trigger,
398 int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger);
404 	led_cdev->trigger_data = trigger_data;  in led_set_trigger_data()
409 	return led_cdev->trigger_data;  in led_get_trigger_data()
413  * led_trigger_rename_static - rename a trigger
414  * @name: the new trigger name
415  * @trig: the LED trigger to rename
417  * Change a LED trigger name by copying the string passed in
418  * name into current trigger name, which MUST be large
435 /* Trigger has no members */
438 /* Trigger inline empty functions */
440 					struct led_trigger **trigger) {}  in led_trigger_register_simple()  argument
441 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}  in led_trigger_unregister_simple()  argument
442 static inline void led_trigger_event(struct led_trigger *trigger,  in led_trigger_event()  argument
444 static inline void led_trigger_blink(struct led_trigger *trigger,  in led_trigger_blink()  argument
447 static inline void led_trigger_blink_oneshot(struct led_trigger *trigger,  in led_trigger_blink_oneshot()  argument
453 				  struct led_trigger *trigger)  in led_trigger_set()  argument
467 /* Trigger specific functions */
489  * Generic LED platform data for describing LED names and default triggers.
516 /* For the leds-gpio driver */
579  * struct led_pattern - pattern interval settings