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authorFabio Baltieri <fabio.baltieri@gmail.com>2012-12-18 18:50:55 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2013-01-26 16:58:59 +0100
commit996a953de02ffb852c9ac736f4e892008ed68884 (patch)
treedcf301c575ee47331f34c961c36f5658ce32da32 /drivers/net/can/Makefile
parent0024d8ad1639e32d717445c69ca813fd19c2a91c (diff)
can: add tx/rx LED trigger support
This patch implements the functions to add two LED triggers, named <ifname>-tx and <ifname>-rx, to a canbus device driver. Triggers are called from specific handlers by each CAN device driver and can be disabled altogether with a Kconfig option. The implementation keeps the LED on when the interface is UP and blinks the LED on network activity at a configurable rate. This only supports can-dev based drivers, as it uses some support field in the can_priv structure. Supported drivers should call devm_can_led_init() and can_led_event() as needed. Cleanup is handled automatically by devres, so no *_exit function is needed. Supported events are: - CAN_LED_EVENT_OPEN: turn on tx/rx LEDs - CAN_LED_EVENT_STOP: turn off tx/rx LEDs - CAN_LED_EVENT_TX: trigger tx LED blink - CAN_LED_EVENT_RX: trigger tx LED blink Cc: Wolfgang Grandegger <wg@grandegger.com> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/Makefile')
-rw-r--r--drivers/net/can/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 7de59862bbe9..c7440392adbb 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -8,6 +8,8 @@ obj-$(CONFIG_CAN_SLCAN) += slcan.o
obj-$(CONFIG_CAN_DEV) += can-dev.o
can-dev-y := dev.o
+can-dev-$(CONFIG_CAN_LEDS) += led.o
+
obj-y += usb/
obj-y += softing/