root/include/linux/can/led.h

INCLUDED FROM

DEFINITIONS

1. can_led_event
2. devm_can_led_init
3. can_led_notifier_init
4. can_led_notifier_exit

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com>
   4  */
   5 
   6 #ifndef _CAN_LED_H
   7 #define _CAN_LED_H
   8 
   9 #include <linux/if.h>
  10 #include <linux/leds.h>
  11 #include <linux/netdevice.h>
  12 
  13 enum can_led_event {
  14         CAN_LED_EVENT_OPEN,
  15         CAN_LED_EVENT_STOP,
  16         CAN_LED_EVENT_TX,
  17         CAN_LED_EVENT_RX,
  18 };
  19 
  20 #ifdef CONFIG_CAN_LEDS
  21 
  22 /* keep space for interface name + "-tx"/"-rx"/"-rxtx"
  23  * suffix and null terminator
  24  */
  25 #define CAN_LED_NAME_SZ (IFNAMSIZ + 6)
  26 
  27 void can_led_event(struct net_device *netdev, enum can_led_event event);
  28 void devm_can_led_init(struct net_device *netdev);
  29 int __init can_led_notifier_init(void);
  30 void __exit can_led_notifier_exit(void);
  31 
  32 #else
  33 
  34 static inline void can_led_event(struct net_device *netdev,
  35                                  enum can_led_event event)
  36 {
  37 }
  38 static inline void devm_can_led_init(struct net_device *netdev)
  39 {
  40 }
  41 static inline int can_led_notifier_init(void)
  42 {
  43         return 0;
  44 }
  45 static inline void can_led_notifier_exit(void)
  46 {
  47 }
  48 
  49 #endif
  50 
  51 #endif /* !_CAN_LED_H */