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ba93cdce5b
This commit adds a new led_cdev flag LED_PANIC_INDICATOR, which allows to mark a specific LED to be switched to the "panic" trigger, on a kernel panic. This is useful to allow the user to assign a regular trigger to a given LED, and still blink that LED on a kernel panic. Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Reviewed-by: Matthias Brugger <mbrugger@suse.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
36 lines
957 B
C
36 lines
957 B
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 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_init_core(struct led_classdev *led_cdev);
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void led_stop_software_blink(struct led_classdev *led_cdev);
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void led_set_brightness_nopm(struct led_classdev *led_cdev,
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enum led_brightness value);
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void led_set_brightness_nosleep(struct led_classdev *led_cdev,
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enum led_brightness value);
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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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extern struct list_head trigger_list;
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#endif /* __LEDS_H_INCLUDED */
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