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996a953d FB |
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 | ||
15 | enum 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 | ||
27 | void can_led_event(struct net_device *netdev, enum can_led_event event); | |
28 | void devm_can_led_init(struct net_device *netdev); | |
a1ef7bd9 KVD |
29 | int __init can_led_notifier_init(void); |
30 | void __exit can_led_notifier_exit(void); | |
996a953d FB |
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 | } | |
a1ef7bd9 KVD |
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 | } | |
996a953d FB |
48 | |
49 | #endif | |
50 | ||
51 | #endif |