Messages in this thread Patch in this message | | | From | Fabio Baltieri <> | Subject | [PATCH 10/10] can: usb_8dev: add LED trigger support | Date | Tue, 18 Dec 2012 18:51:04 +0100 |
| |
From: Bernd Krumboeck <b.krumboeck@gmail.com>
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@universalnet.at> Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com> --- 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..b4bb1a6 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: -- 1.7.12.1
| |