| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 */ |