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Commit e2d5f2c7 authored by Bernd Krumboeck's avatar Bernd Krumboeck Committed by Marc Kleine-Budde
Browse files

can: usb_8dev: add LED trigger support 



Add support for canbus activity led indicators on usb_8dev devices by
calling appropriate can_led functions.

These are only enabled when CONFIG_CAN_LEDS is Y, becomes no-op
otherwise.

Signed-off-by: default avatarBernd Krumboeck <krumboeck@universalnet.at>
Signed-off-by: default avatarFabio Baltieri <fabio.baltieri@gmail.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent a04282f5

drivers/net/can/usb/usb_8dev.c

+11 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <linux/can.h>

#include <linux/can/dev.h>

#include <linux/can/error.h>

#include <linux/can/led.h>



/* driver constants */

#define MAX_RX_URBS			20
@@ -497,6 +498,8 @@ static void usb_8dev_rx_can_msg(struct usb_8dev_priv *priv, 


		stats->rx_packets++;

		stats->rx_bytes += cf->can_dlc;



		can_led_event(priv->netdev, CAN_LED_EVENT_RX);

	} else {

		netdev_warn(priv->netdev, "frame type %d unknown",

			 msg->type);
@@ -597,6 +600,8 @@ static void usb_8dev_write_bulk_callback(struct urb *urb) 


	can_get_echo_skb(netdev, context->echo_index);



	can_led_event(netdev, CAN_LED_EVENT_TX);



	/* Release context */

	context->echo_index = MAX_TX_URBS;
@@ -819,6 +824,8 @@ static int usb_8dev_open(struct net_device *netdev) 
	if (err)

		return err;



	can_led_event(netdev, CAN_LED_EVENT_OPEN);



	/* finally start device */

	err = usb_8dev_start(priv);

	if (err) {
@@ -871,6 +878,8 @@ static int usb_8dev_close(struct net_device *netdev) 


	close_candev(netdev);



	can_led_event(netdev, CAN_LED_EVENT_STOP);



	return err;

}
@@ -978,6 +987,8 @@ static int usb_8dev_probe(struct usb_interface *intf, 
			 (version>>8) & 0xff, version & 0xff);

	}



	devm_can_led_init(netdev);



	return 0;



cleanup_cmd_msg_buffer: