| /* 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, | |
| const struct bin_attribute *attr, char *buf, | |
| loff_t pos, size_t count); | |
| ssize_t led_trigger_write(struct file *filp, struct kobject *kobj, | |
| const struct bin_attribute *bin_attr, char *buf, | |
| loff_t pos, size_t count); | |
| extern struct rw_semaphore leds_list_lock; | |
| extern struct list_head leds_list; | |
| #endif /* __LEDS_H_INCLUDED */ |