From e2d5f2c7d66224c1a401ed1f797e467c02c025b8 Mon Sep 17 00:00:00 2001 From: Bernd Krumboeck Date: Tue, 18 Dec 2012 18:51:04 +0100 Subject: [PATCH] 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: Bernd Krumboeck Signed-off-by: Fabio Baltieri Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/usb_8dev.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index a9e73fa4ad0f..f789e6f54a55 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -33,6 +33,7 @@ #include #include #include +#include /* 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: -- 2.30.2