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20f56758b0
Part of led-trigger API was in the private drivers/leds/leds.h header. Move it to the include/linux/leds.h header to unify the API location and announce it as public. It has been already exported from led-triggers.c with EXPORT_SYMBOL_GPL macro. The no-op definitions are changed from macros to inline to match the style of the surrounding code. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __LEDS_H_INCLUDED
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#define __LEDS_H_INCLUDED
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#include <linux/rwsem.h>
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#include <linux/leds.h>
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static inline void led_set_brightness_async(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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value = min(value, led_cdev->max_brightness);
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led_cdev->brightness = value;
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if (!(led_cdev->flags & LED_SUSPENDED))
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led_cdev->brightness_set(led_cdev, value);
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}
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static inline int led_set_brightness_sync(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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int ret = 0;
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led_cdev->brightness = min(value, led_cdev->max_brightness);
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if (!(led_cdev->flags & LED_SUSPENDED))
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ret = led_cdev->brightness_set_sync(led_cdev,
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led_cdev->brightness);
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return ret;
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}
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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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void led_stop_software_blink(struct led_classdev *led_cdev);
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extern struct rw_semaphore leds_list_lock;
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extern struct list_head leds_list;
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#endif /* __LEDS_H_INCLUDED */
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