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kernel/linux-imx6_3.14.28/include/linux/can/led.h 1.07 KB
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  /*
   * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef CAN_LED_H
  #define CAN_LED_H
  
  #include <linux/if.h>
  #include <linux/leds.h>
  
  enum can_led_event {
  	CAN_LED_EVENT_OPEN,
  	CAN_LED_EVENT_STOP,
  	CAN_LED_EVENT_TX,
  	CAN_LED_EVENT_RX,
  };
  
  #ifdef CONFIG_CAN_LEDS
  
  /* keep space for interface name + "-tx"/"-rx" suffix and null terminator */
  #define CAN_LED_NAME_SZ (IFNAMSIZ + 4)
  
  void can_led_event(struct net_device *netdev, enum can_led_event event);
  void devm_can_led_init(struct net_device *netdev);
  int __init can_led_notifier_init(void);
  void __exit can_led_notifier_exit(void);
  
  #else
  
  static inline void can_led_event(struct net_device *netdev,
  				 enum can_led_event event)
  {
  }
  static inline void devm_can_led_init(struct net_device *netdev)
  {
  }
  static inline int can_led_notifier_init(void)
  {
  	return 0;
  }
  static inline void can_led_notifier_exit(void)
  {
  }
  
  #endif
  
  #endif