| /* 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 */ |