1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com> 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _CAN_LED_H 7*4882a593Smuzhiyun #define _CAN_LED_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/if.h> 10*4882a593Smuzhiyun #include <linux/leds.h> 11*4882a593Smuzhiyun #include <linux/netdevice.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun enum can_led_event { 14*4882a593Smuzhiyun CAN_LED_EVENT_OPEN, 15*4882a593Smuzhiyun CAN_LED_EVENT_STOP, 16*4882a593Smuzhiyun CAN_LED_EVENT_TX, 17*4882a593Smuzhiyun CAN_LED_EVENT_RX, 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #ifdef CONFIG_CAN_LEDS 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* keep space for interface name + "-tx"/"-rx"/"-rxtx" 23*4882a593Smuzhiyun * suffix and null terminator 24*4882a593Smuzhiyun */ 25*4882a593Smuzhiyun #define CAN_LED_NAME_SZ (IFNAMSIZ + 6) 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun void can_led_event(struct net_device *netdev, enum can_led_event event); 28*4882a593Smuzhiyun void devm_can_led_init(struct net_device *netdev); 29*4882a593Smuzhiyun int __init can_led_notifier_init(void); 30*4882a593Smuzhiyun void __exit can_led_notifier_exit(void); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #else 33*4882a593Smuzhiyun can_led_event(struct net_device * netdev,enum can_led_event event)34*4882a593Smuzhiyunstatic inline void can_led_event(struct net_device *netdev, 35*4882a593Smuzhiyun enum can_led_event event) 36*4882a593Smuzhiyun { 37*4882a593Smuzhiyun } devm_can_led_init(struct net_device * netdev)38*4882a593Smuzhiyunstatic inline void devm_can_led_init(struct net_device *netdev) 39*4882a593Smuzhiyun { 40*4882a593Smuzhiyun } can_led_notifier_init(void)41*4882a593Smuzhiyunstatic inline int can_led_notifier_init(void) 42*4882a593Smuzhiyun { 43*4882a593Smuzhiyun return 0; 44*4882a593Smuzhiyun } can_led_notifier_exit(void)45*4882a593Smuzhiyunstatic inline void can_led_notifier_exit(void) 46*4882a593Smuzhiyun { 47*4882a593Smuzhiyun } 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun #endif 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #endif /* !_CAN_LED_H */ 52