diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index e000c9f..3e45c65 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1423,7 +1423,6 @@
 #define SONYPI_TYPE1_OFFSET	0x04
 #define SONYPI_TYPE2_OFFSET	0x12
 #define SONYPI_TYPE3_OFFSET	0x12
-#define SONYPI_TYPE4_OFFSET	0x12
 
 struct sony_pic_ioport {
 	struct acpi_resource_io	io1;
@@ -1666,14 +1665,6 @@
 	{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 	{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 	{ 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
-	{ 0 },
-};
-static struct sonypi_eventtypes type4_events[] = {
-	{ 0, 0xffffffff, sonypi_releaseev },
-	{ 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
-	{ 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
-	{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
-	{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 	{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
 	{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
 	{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
@@ -1739,11 +1730,11 @@
 /*
  * minidrivers for SPIC models
  */
-static int type4_handle_irq(const u8 data_mask, const u8 ev)
+static int type3_handle_irq(const u8 data_mask, const u8 ev)
 {
 	/*
 	 * 0x31 could mean we have to take some extra action and wait for
-	 * the next irq for some Type4 models, it will generate a new
+	 * the next irq for some Type3 models, it will generate a new
 	 * irq and we can read new data from the device:
 	 *  - 0x5c and 0x5f requires 0xA0
 	 *  - 0x61 requires 0xB3
@@ -1773,16 +1764,10 @@
 	},
 	{
 		.model = SONYPI_DEVICE_TYPE3,
-		.handle_irq = NULL,
+		.handle_irq = type3_handle_irq,
 		.evport_offset = SONYPI_TYPE3_OFFSET,
 		.event_types = type3_events,
 	},
-	{
-		.model = SONYPI_DEVICE_TYPE4,
-		.handle_irq = type4_handle_irq,
-		.evport_offset = SONYPI_TYPE4_OFFSET,
-		.event_types = type4_events,
-	},
 };
 
 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
@@ -1806,14 +1791,14 @@
 	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
 			PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
 	if (pcidev) {
-		dev->control = &spic_types[3];
+		dev->control = &spic_types[2];
 		goto out;
 	}
 
 	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
 			PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
 	if (pcidev) {
-		dev->control = &spic_types[3];
+		dev->control = &spic_types[2];
 		goto out;
 	}
 
@@ -1826,8 +1811,7 @@
 
 	printk(KERN_INFO DRV_PFX "detected Type%d model\n",
 			dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
-			dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 :
-			dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4);
+			dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
 }
 
 /* camera tests and poweron/poweroff */