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 <krumboeck@xxxxxxxxxxxxxxx>
---
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 660b4f87..adec0d2 100644
--- a/drivers/net/can/usb/usb_8dev.c
+++ b/drivers/net/can/usb/usb_8dev.c
@@ -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 10
@@ -504,6 +505,8 @@ 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);
@@ -606,6 +609,8 @@ 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;
@@ -830,6 +835,8 @@ 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) {
@@ -882,6 +889,8 @@ static int usb_8dev_close(struct net_device *netdev)
close_candev(netdev);
+ can_led_event(netdev, CAN_LED_EVENT_STOP);
+
return err;
}
@@ -990,6 +999,8 @@ 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:
--
1.7.10.4
--
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