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1/* 2 * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9#ifndef _CAN_LED_H 10#define _CAN_LED_H 11 12#include <linux/if.h> 13#include <linux/leds.h> 14 15enum can_led_event { 16 CAN_LED_EVENT_OPEN, 17 CAN_LED_EVENT_STOP, 18 CAN_LED_EVENT_TX, 19 CAN_LED_EVENT_RX, 20}; 21 22#ifdef CONFIG_CAN_LEDS 23 24/* keep space for interface name + "-tx"/"-rx" suffix and null terminator */ 25#define CAN_LED_NAME_SZ (IFNAMSIZ + 4) 26 27void can_led_event(struct net_device *netdev, enum can_led_event event); 28void devm_can_led_init(struct net_device *netdev); 29int __init can_led_notifier_init(void); 30void __exit can_led_notifier_exit(void); 31 32#else 33 34static inline void can_led_event(struct net_device *netdev, 35 enum can_led_event event) 36{ 37} 38static inline void devm_can_led_init(struct net_device *netdev) 39{ 40} 41static inline int can_led_notifier_init(void) 42{ 43 return 0; 44} 45static inline void can_led_notifier_exit(void) 46{ 47} 48 49#endif 50 51#endif /* !_CAN_LED_H */