--- linux-2.6.22.14/drivers/leds/leds-rb400.c	1970-01-01 03:00:00.000000000 +0300
+++ linux/drivers/leds/leds-rb400.c	2008-01-21 13:42:46.000000000 +0200
@@ -0,0 +1,49 @@
+#include <linux/init.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <asm/rb/rb400.h>
+
+#define REG_GPIO_OUTPUT	KSEG1ADDR(0x18040008)
+#define   GPIO_LIGHT	0x010
+
+static void rb400_led_set_user(struct led_classdev *led_cdev,
+			       enum led_brightness brightness)
+{
+	uint8_t gpo = rb400_readl(REG_GPIO_OUTPUT);
+	if (brightness)
+		gpo |= GPIO_LIGHT;
+	else
+		gpo &= ~GPIO_LIGHT;
+	rb400_writel(gpo, REG_GPIO_OUTPUT);
+}
+
+static struct led_classdev rb400_led = {
+       .name = "user-led",
+       .brightness_set = rb400_led_set_user,
+};
+
+static int rb400_led_probe(struct platform_device *pdev)
+{
+	return led_classdev_register(&pdev->dev, &rb400_led);
+}
+
+static struct platform_driver rb400_led_driver = {
+	.probe	= rb400_led_probe,
+	.driver	= {
+		.name = "rb400-led",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init rb400_led_init(void)
+{
+	return platform_driver_register(&rb400_led_driver);
+}
+
+static void __exit rb400_led_exit(void)
+{
+	platform_driver_unregister(&rb400_led_driver);
+}
+
+module_init(rb400_led_init);
+module_exit(rb400_led_exit);