can: add combined rx/tx LED trigger support
Add <ifname>-rxtx trigger, that will be activated both for tx
as rx events. This trigger mimics "activity" LED for Ethernet
devices.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
diff --git a/drivers/net/can/led.c b/drivers/net/can/led.c
index ab7f1b0..c1b6676 100644
--- a/drivers/net/can/led.c
+++ b/drivers/net/can/led.c
@@ -30,20 +30,28 @@
case CAN_LED_EVENT_OPEN:
led_trigger_event(priv->tx_led_trig, LED_FULL);
led_trigger_event(priv->rx_led_trig, LED_FULL);
+ led_trigger_event(priv->rxtx_led_trig, LED_FULL);
break;
case CAN_LED_EVENT_STOP:
led_trigger_event(priv->tx_led_trig, LED_OFF);
led_trigger_event(priv->rx_led_trig, LED_OFF);
+ led_trigger_event(priv->rxtx_led_trig, LED_OFF);
break;
case CAN_LED_EVENT_TX:
- if (led_delay)
+ if (led_delay) {
led_trigger_blink_oneshot(priv->tx_led_trig,
&led_delay, &led_delay, 1);
+ led_trigger_blink_oneshot(priv->rxtx_led_trig,
+ &led_delay, &led_delay, 1);
+ }
break;
case CAN_LED_EVENT_RX:
- if (led_delay)
+ if (led_delay) {
led_trigger_blink_oneshot(priv->rx_led_trig,
&led_delay, &led_delay, 1);
+ led_trigger_blink_oneshot(priv->rxtx_led_trig,
+ &led_delay, &led_delay, 1);
+ }
break;
}
}
@@ -55,6 +63,7 @@
led_trigger_unregister_simple(priv->tx_led_trig);
led_trigger_unregister_simple(priv->rx_led_trig);
+ led_trigger_unregister_simple(priv->rxtx_led_trig);
}
/* Register CAN LED triggers for a CAN device
@@ -76,11 +85,15 @@
"%s-tx", netdev->name);
snprintf(priv->rx_led_trig_name, sizeof(priv->rx_led_trig_name),
"%s-rx", netdev->name);
+ snprintf(priv->rxtx_led_trig_name, sizeof(priv->rxtx_led_trig_name),
+ "%s-rxtx", netdev->name);
led_trigger_register_simple(priv->tx_led_trig_name,
&priv->tx_led_trig);
led_trigger_register_simple(priv->rx_led_trig_name,
&priv->rx_led_trig);
+ led_trigger_register_simple(priv->rxtx_led_trig_name,
+ &priv->rxtx_led_trig);
devres_add(&netdev->dev, res);
}
@@ -97,7 +110,7 @@
if (!priv)
return NOTIFY_DONE;
- if (!priv->tx_led_trig || !priv->rx_led_trig)
+ if (!priv->tx_led_trig || !priv->rx_led_trig || !priv->rxtx_led_trig)
return NOTIFY_DONE;
if (msg == NETDEV_CHANGENAME) {
@@ -106,6 +119,9 @@
snprintf(name, sizeof(name), "%s-rx", netdev->name);
led_trigger_rename_static(name, priv->rx_led_trig);
+
+ snprintf(name, sizeof(name), "%s-rxtx", netdev->name);
+ led_trigger_rename_static(name, priv->rxtx_led_trig);
}
return NOTIFY_DONE;