Index: linux-2.6.23.17/drivers/leds/Kconfig
===================================================================
--- linux-2.6.23.17.orig/drivers/leds/Kconfig
+++ linux-2.6.23.17/drivers/leds/Kconfig
@@ -107,6 +107,12 @@ config LEDS_GPIO
 	  outputs. To be useful the particular board must have LEDs
 	  and they must be connected to the GPIO lines.
 
+config LEDS_RB500
+	tristate "LED Support for RB5xx boards"
+	depends LEDS_CLASS && MIKROTIK_RB500
+	help
+	  This option enables support for the yellow user LED on RB5xx boards.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
Index: linux-2.6.23.17/drivers/leds/Makefile
===================================================================
--- linux-2.6.23.17.orig/drivers/leds/Makefile
+++ linux-2.6.23.17/drivers/leds/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_LEDS_ALIX)			+= leds-alix.o
 obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
 obj-$(CONFIG_LEDS_COBALT)		+= leds-cobalt.o
 obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
+obj-$(CONFIG_LEDS_RB500)		+= leds-rb500.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o