2019-06-04 11:11:33 +03:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2006-03-31 14:31:04 +04:00
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/*
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* LED Core
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*
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* Copyright 2005 Openedhand Ltd.
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*
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* Author: Richard Purdie <rpurdie@openedhand.com>
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*/
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#ifndef __LEDS_H_INCLUDED
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#define __LEDS_H_INCLUDED
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2008-01-01 02:09:44 +03:00
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#include <linux/rwsem.h>
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2006-03-31 14:31:04 +04:00
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#include <linux/leds.h>
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2008-03-09 23:54:37 +03:00
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static inline int led_get_brightness(struct led_classdev *led_cdev)
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{
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return led_cdev->brightness;
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}
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2015-09-28 15:38:04 +03:00
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void led_init_core(struct led_classdev *led_cdev);
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2012-08-15 17:44:34 +04:00
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void led_stop_software_blink(struct led_classdev *led_cdev);
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2020-12-11 23:42:08 +03:00
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void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value);
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void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value);
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2019-09-29 17:18:49 +03:00
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ssize_t led_trigger_read(struct file *filp, struct kobject *kobj,
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struct bin_attribute *attr, char *buf,
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loff_t pos, size_t count);
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ssize_t led_trigger_write(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr, char *buf,
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loff_t pos, size_t count);
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2021-06-08 09:35:53 +03:00
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enum led_default_state led_init_default_state_get(struct fwnode_handle *fwnode);
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2012-08-15 17:44:34 +04:00
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2008-01-01 02:09:44 +03:00
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extern struct rw_semaphore leds_list_lock;
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2006-03-31 14:31:04 +04:00
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extern struct list_head leds_list;
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2016-04-29 01:03:38 +03:00
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extern struct list_head trigger_list;
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2019-06-09 21:19:04 +03:00
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extern const char * const led_colors[LED_COLOR_ID_MAX];
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2006-03-31 14:31:04 +04:00
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#endif /* __LEDS_H_INCLUDED */
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