diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index c7b5285..fcc007c 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -28,6 +28,7 @@
 #include <linux/input.h>
 #include <linux/serio.h>
 #include <linux/libps2.h>
+#include <linux/leds.h>
 #include <linux/slab.h>
 #include "psmouse.h"
 #include "synaptics.h"
@@ -335,6 +336,79 @@ static void synaptics_pt_create(struct psmouse *psmouse)
 	serio_register_port(serio);
 }
 
+/*
+ * LED handling:
+ * Some Synaptics devices have an embeded LED at the top-left corner.
+ */
+
+struct synaptics_led {
+	enum led_brightness status;
+	struct psmouse *psmouse;
+	struct work_struct work;
+	struct led_classdev cdev;
+};
+
+static void synaptics_set_led(struct psmouse *psmouse, int on)
+{
+	unsigned char param[1];
+
+	if (psmouse_sliced_command(psmouse, on ? 0x88 : 0x10))
+		return;
+	param[0] = 0x0a;
+	ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE);
+}
+
+static void synaptics_led_work(struct work_struct *work)
+{
+	struct synaptics_led *led;
+
+	led = container_of(work, struct synaptics_data, work);
+	synaptics_set_led(led->psmouse, led->status);
+}
+
+static void synaptics_led_cdev_brightness_set(struct led_classdev *cdev,
+					      enum led_brightness value)
+{
+	struct synaptics_led *led;
+
+	led = container_of(cdev, struct synaptics_led, cdev);
+	if (value != led->status) {
+		led->status = value;
+		schedule_work(&led->work);
+	}
+}
+
+static int synaptics_init_led(struct psmouse *psmouse)
+{
+	struct synaptics_data *priv = psmouse->private;
+	struct synaptics_led *led;
+	int err;
+
+	/* FIXME: LED is supposedly detectable in cap0c[1] 0x20, but it seems
+	 * not working on real machines.
+	 * So we check the product id to be sure.
+	 */
+	if (!priv->ext_cap_0c || SYN_CAP_PRODUCT_ID(priv->ext_cap) != 0xe4)
+		return 0;
+
+	printk(KERN_INFO "synaptics: support LED control\n");
+	led = kzalloc(sizeof(struct synaptics_led), GFP_KERNEL);
+	if (!led)
+		return -ENOMEM;
+	led->psmouse = psmouse;
+	INIT_WORK(&led->work, synaptics_led_work);
+	led->cdev.name = "psmouse::synaptics";
+	led->cdev.brightness_set = synaptics_led_cdev_brightness_set;
+	led->cdev.flags = LED_CORE_SUSPENDRESUME;
+	err = led_classdev_register(NULL, &led->cdev);
+	if (err < 0) {
+		kfree(led);
+		return err;
+	}
+	priv->led = led;
+	return 0;
+}
+
 /*****************************************************************************
  *	Functions to interpret the absolute mode packets
  ****************************************************************************/
@@ -622,6 +696,14 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
 
 static void synaptics_disconnect(struct psmouse *psmouse)
 {
+	struct synaptics_data *priv = psmouse->private;
+
+	if (priv->led) {
+		cancel_work_sync(&priv->led->work);
+		synaptics_set_led(psmouse, 0);
+		led_classdev_unregister(&priv->led->cdev);
+		kfree(priv->led);
+	}
 	synaptics_reset(psmouse);
 	kfree(psmouse->private);
 	psmouse->private = NULL;
@@ -653,6 +735,9 @@ static int synaptics_reconnect(struct psmouse *psmouse)
 		return -1;
 	}
 
+	if (priv->led)
+		synaptics_set_led(psmouse, priv->led->status);
+
 	return 0;
 }
 
@@ -727,6 +812,9 @@ int synaptics_init(struct psmouse *psmouse)
 		SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity),
 		priv->model_id, priv->capabilities, priv->ext_cap, priv->ext_cap_0c);
 
+	if (synaptics_init_led(psmouse) < 0)
+		goto init_fail;
+
 	set_input_params(psmouse->dev, priv);
 
 	/*
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index ae37c5d..d5bb8f4 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -94,6 +94,8 @@ struct synaptics_hw_state {
 	signed char scroll;
 };
 
+struct synaptics_led;
+
 struct synaptics_data {
 	/* Data read from the touchpad */
 	unsigned long int model_id;		/* Model-ID */
@@ -107,6 +109,7 @@ struct synaptics_data {
 	unsigned char pkt_type;			/* packet type - old, new, etc */
 	unsigned char mode;			/* current mode byte */
 	int scroll;
+	struct synaptics_led *led;
 };
 
 void synaptics_module_init(void);
