author | Florian Westphal <fw@strlen.de> |
Thu, 09 Apr 2009 12:07:21 +0200 | |
changeset 2 | d1f6d8b6f81c |
parent 0 | aa628870c1d3 |
permissions | -rw-r--r-- |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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/* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* Driver model for leds and led triggers |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Copyright (C) 2005 John Lenz <lenz@cs.wisc.edu> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Copyright (C) 2005 Richard Purdie <rpurdie@openedhand.com> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* This program is free software; you can redistribute it and/or modify |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* it under the terms of the GNU General Public License version 2 as |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* published by the Free Software Foundation. |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifndef __LINUX_LEDS_H_INCLUDED |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#define __LINUX_LEDS_H_INCLUDED |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <linux/list.h> |
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#include <linux/spinlock.h> |
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#include <linux/rwsem.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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struct device; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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/* |
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* LED Core |
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Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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|
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enum led_brightness { |
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LED_OFF = 0, |
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LED_HALF = 127, |
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LED_FULL = 255, |
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}; |
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|
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struct led_classdev { |
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const char *name; |
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int brightness; |
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int flags; |
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/* Lower 16 bits reflect status */ |
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#define LED_SUSPENDED (1 << 0) |
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/* Upper 16 bits reflect control information */ |
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#define LED_CORE_SUSPENDRESUME (1 << 16) |
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|
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/* Set LED brightness level */ |
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/* Must not sleep, use a workqueue if needed */ |
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void (*brightness_set)(struct led_classdev *led_cdev, |
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enum led_brightness brightness); |
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/* Get LED brightness level */ |
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enum led_brightness (*brightness_get)(struct led_classdev *led_cdev); |
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|
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/* Activate hardware accelerated blink */ |
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int (*blink_set)(struct led_classdev *led_cdev, |
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unsigned long *delay_on, |
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unsigned long *delay_off); |
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|
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struct device *dev; |
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struct list_head node; /* LED Device list */ |
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const char *default_trigger; /* Trigger to use */ |
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|
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#ifdef CONFIG_LEDS_TRIGGERS |
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/* Protects the trigger data below */ |
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struct rw_semaphore trigger_lock; |
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|
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struct led_trigger *trigger; |
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struct list_head trig_list; |
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void *trigger_data; |
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#endif |
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}; |
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extern int led_classdev_register(struct device *parent, |
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struct led_classdev *led_cdev); |
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extern void led_classdev_unregister(struct led_classdev *led_cdev); |
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extern void led_classdev_suspend(struct led_classdev *led_cdev); |
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extern void led_classdev_resume(struct led_classdev *led_cdev); |
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/* |
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* LED Triggers |
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*/ |
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#ifdef CONFIG_LEDS_TRIGGERS |
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|
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#define TRIG_NAME_MAX 50 |
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|
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struct led_trigger { |
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/* Trigger Properties */ |
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const char *name; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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void (*activate)(struct led_classdev *led_cdev); |
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void (*deactivate)(struct led_classdev *led_cdev); |
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|
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/* LEDs under control by this trigger (for simple triggers) */ |
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rwlock_t leddev_list_lock; |
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struct list_head led_cdevs; |
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|
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/* Link to next registered trigger */ |
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struct list_head next_trig; |
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}; |
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|
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/* Registration functions for complex triggers */ |
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extern int led_trigger_register(struct led_trigger *trigger); |
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extern void led_trigger_unregister(struct led_trigger *trigger); |
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|
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/* Registration functions for simple triggers */ |
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#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; |
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#define DEFINE_LED_TRIGGER_GLOBAL(x) struct led_trigger *x; |
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extern void led_trigger_register_simple(const char *name, |
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struct led_trigger **trigger); |
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extern void led_trigger_unregister_simple(struct led_trigger *trigger); |
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extern void led_trigger_event(struct led_trigger *trigger, |
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enum led_brightness event); |
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|
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#else |
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|
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/* Triggers aren't active - null macros */ |
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#define DEFINE_LED_TRIGGER(x) |
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#define DEFINE_LED_TRIGGER_GLOBAL(x) |
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#define led_trigger_register_simple(x, y) do {} while(0) |
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#define led_trigger_unregister_simple(x) do {} while(0) |
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#define led_trigger_event(x, y) do {} while(0) |
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|
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#endif |
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116 |
|
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/* Trigger specific functions */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifdef CONFIG_LEDS_TRIGGER_IDE_DISK |
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Port of Linux 2.6.28 for use with network simulation cradle.
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extern void ledtrig_ide_activity(void); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#else |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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#define ledtrig_ide_activity() do {} while(0) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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#endif |
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Port of Linux 2.6.28 for use with network simulation cradle.
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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/* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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* Generic LED platform data for describing LED names and default triggers. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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*/ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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struct led_info { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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const char *name; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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const char *default_trigger; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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int flags; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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struct led_platform_data { |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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int num_leds; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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struct led_info *leds; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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/* For the leds-gpio driver */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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struct gpio_led { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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const char *name; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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141 |
const char *default_trigger; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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unsigned gpio; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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u8 active_low; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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struct gpio_led_platform_data { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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147 |
int num_leds; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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148 |
struct gpio_led *leds; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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int (*gpio_blink_set)(unsigned gpio, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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unsigned long *delay_on, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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unsigned long *delay_off); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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Port of Linux 2.6.28 for use with network simulation cradle.
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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#endif /* __LINUX_LEDS_H_INCLUDED */ |