38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
* LED Core
|
||
|
|
*
|
||
|
|
* Copyright 2005 Openedhand Ltd.
|
||
|
|
*
|
||
|
|
* Author: Richard Purdie <rpurdie@openedhand.com>
|
||
|
|
*/
|
||
|
|
#ifndef __LEDS_H_INCLUDED
|
||
|
|
#define __LEDS_H_INCLUDED
|
||
|
|
|
||
|
|
#include <linux/rwsem.h>
|
||
|
|
#include <linux/leds.h>
|
||
|
|
|
||
|
|
static inline int led_get_brightness(struct led_classdev *led_cdev)
|
||
|
|
{
|
||
|
|
return led_cdev->brightness;
|
||
|
|
}
|
||
|
|
|
||
|
|
void led_init_core(struct led_classdev *led_cdev);
|
||
|
|
void led_stop_software_blink(struct led_classdev *led_cdev);
|
||
|
|
void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value);
|
||
|
|
void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value);
|
||
|
|
ssize_t led_trigger_read(struct file *filp, struct kobject *kobj,
|
||
|
|
struct bin_attribute *attr, char *buf,
|
||
|
|
loff_t pos, size_t count);
|
||
|
|
ssize_t led_trigger_write(struct file *filp, struct kobject *kobj,
|
||
|
|
struct bin_attribute *bin_attr, char *buf,
|
||
|
|
loff_t pos, size_t count);
|
||
|
|
enum led_default_state led_init_default_state_get(struct fwnode_handle *fwnode);
|
||
|
|
|
||
|
|
extern struct rw_semaphore leds_list_lock;
|
||
|
|
extern struct list_head leds_list;
|
||
|
|
extern struct list_head trigger_list;
|
||
|
|
extern const char * const led_colors[LED_COLOR_ID_MAX];
|
||
|
|
|
||
|
|
#endif /* __LEDS_H_INCLUDED */
|