diff options
Diffstat (limited to 'include/linux/can/led.h')
| -rw-r--r-- | include/linux/can/led.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/can/led.h b/include/linux/can/led.h new file mode 100644 index 000000000..146de4506 --- /dev/null +++ b/include/linux/can/led.h @@ -0,0 +1,53 @@ +/* + * 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"/"-rxtx" + * suffix and null terminator + */ +#define CAN_LED_NAME_SZ (IFNAMSIZ + 6) + +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 /* !_CAN_LED_H */ |