diff options
| author | Bernd Krumboeck <b.krumboeck@gmail.com> | 2012-12-18 18:51:04 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2013-01-26 16:59:01 +0100 |
| commit | e2d5f2c7d66224c1a401ed1f797e467c02c025b8 (patch) | |
| tree | d7063dc977fc4208d717e33961433aa5193db5b2 /drivers/net/can | |
| parent | a04282f54b52cf5a629a98f09712da1e630a1060 (diff) | |
| download | lwn-e2d5f2c7d66224c1a401ed1f797e467c02c025b8.tar.gz lwn-e2d5f2c7d66224c1a401ed1f797e467c02c025b8.zip | |
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 <krumboeck@universalnet.at>
Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/usb/usb_8dev.c | 11 |
1 files changed, 11 insertions, 0 deletions
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 <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: |