diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c
index a870ba5..dceadd0 100644
--- a/drivers/hid/hid-input-quirks.c
+++ b/drivers/hid/hid-input-quirks.c
@@ -352,7 +352,7 @@
 	return 0;
 }
 
-void hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
+int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
 {
 	struct input_dev *input;
 
@@ -362,34 +362,34 @@
 		|| ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
 		if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
 		else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
-		return;
+		return 1;
 	}
 
 	if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
 			(usage->type == EV_REL) &&
 			(usage->code == REL_WHEEL)) {
 		hid->delayed_value = value;
-		return;
+		return 1;
 	}
 
 	if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
 			(usage->hid == 0x000100b8)) {
 		input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, hid->delayed_value);
-		return;
+		return 1;
 	}
 
 	if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
 		input_event(input, usage->type, usage->code, -value);
-		return;
+		return 1;
 	}
 
 	if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
 		input_event(input, usage->type, REL_HWHEEL, value);
-		return;
+		return 1;
 	}
 
 	if ((hid->quirks & HID_QUIRK_APPLE_HAS_FN) && hidinput_apple_event(hid, input, usage, value))
-		return;
+		return 1;
 
 	/* Handling MS keyboards special buttons */
 	if (hid->quirks & HID_QUIRK_MICROSOFT_KEYS && 
@@ -416,8 +416,9 @@
 	if (hid->quirks & HID_QUIRK_HWHEEL_WHEEL_INVERT &&
 			usage->type == EV_REL && usage->code == REL_HWHEEL) {
 		input_event(input, usage->type, REL_WHEEL, -value);
-		return;
+		return 1;
 	}
+	return 0;
 }
 
 
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 5325d98..5a38fb2 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -97,6 +97,7 @@
 #define APPLE_FLAG_FKEY 0x01
 
 static struct hidinput_key_translation apple_fn_keys[] = {
+	{ KEY_BACKSPACE, KEY_DELETE },
 	{ KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
 	{ KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
 	{ KEY_F3,       KEY_CYCLEWINDOWS,       APPLE_FLAG_FKEY }, /* Exposé */
@@ -109,6 +110,10 @@
 	{ KEY_F10,      KEY_MUTE,               APPLE_FLAG_FKEY },
 	{ KEY_F11,      KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
 	{ KEY_F12,      KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
+	{ KEY_UP,       KEY_PAGEUP },
+	{ KEY_DOWN,     KEY_PAGEDOWN },
+	{ KEY_LEFT,     KEY_HOME },
+	{ KEY_RIGHT,    KEY_END },
 	{ }
 };
 
@@ -854,7 +859,8 @@
 		return;
 
 	/* handle input events for quirky devices */
-	hidinput_event_quirks(hid, field, usage, value);
+	if (hidinput_event_quirks(hid, field, usage, value))
+		return;
 
 	if (usage->hat_min < usage->hat_max || usage->hat_dir) {
 		int hat_dir = usage->hat_dir;
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index b77b61e..e6d05f6 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -66,6 +66,12 @@
 #define USB_DEVICE_ID_APPLE_ALU_ANSI	0x0220
 #define USB_DEVICE_ID_APPLE_ALU_ISO	0x0221
 #define USB_DEVICE_ID_APPLE_ALU_JIS	0x0222
+#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI    0x0229
+#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO     0x022a
+#define USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS     0x022b
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI  0x022c
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO   0x022d
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS   0x022e
 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY	0x030a
 #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY	0x030b
 #define USB_DEVICE_ID_APPLE_IRCONTROL4	0x8242
@@ -193,6 +199,17 @@
 #define USB_DEVICE_ID_GTCO_502		0x0502
 #define USB_DEVICE_ID_GTCO_503		0x0503
 #define USB_DEVICE_ID_GTCO_504		0x0504
+#define USB_DEVICE_ID_GTCO_600		0x0600
+#define USB_DEVICE_ID_GTCO_601		0x0601
+#define USB_DEVICE_ID_GTCO_602		0x0602
+#define USB_DEVICE_ID_GTCO_603		0x0603
+#define USB_DEVICE_ID_GTCO_604		0x0604
+#define USB_DEVICE_ID_GTCO_605		0x0605
+#define USB_DEVICE_ID_GTCO_606		0x0606
+#define USB_DEVICE_ID_GTCO_607		0x0607
+#define USB_DEVICE_ID_GTCO_608		0x0608
+#define USB_DEVICE_ID_GTCO_609		0x0609
+#define USB_DEVICE_ID_GTCO_609		0x0609
 #define USB_DEVICE_ID_GTCO_1000		0x1000
 #define USB_DEVICE_ID_GTCO_1001		0x1001
 #define USB_DEVICE_ID_GTCO_1002		0x1002
@@ -200,7 +217,7 @@
 #define USB_DEVICE_ID_GTCO_1004		0x1004
 #define USB_DEVICE_ID_GTCO_1005		0x1005
 #define USB_DEVICE_ID_GTCO_1006		0x1006
-
+#define USB_DEVICE_ID_GTCO_1007		0x1007
 #define USB_VENDOR_ID_HAPP		0x078b
 #define USB_DEVICE_ID_UGCI_DRIVING	0x0010
 #define USB_DEVICE_ID_UGCI_FLYING	0x0020
@@ -368,6 +385,7 @@
 #define USB_DEVICE_ID_VERNIER_GOTEMP	0x0002
 #define USB_DEVICE_ID_VERNIER_SKIP	0x0003
 #define USB_DEVICE_ID_VERNIER_CYCLOPS	0x0004
+#define USB_DEVICE_ID_VERNIER_LCSPEC	0x0006
 
 #define USB_VENDOR_ID_WACOM		0x056a
 
@@ -496,6 +514,16 @@
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_600, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_601, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_602, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_603, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_604, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_605, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_606, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_607, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_608, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_609, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
@@ -503,6 +531,7 @@
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
@@ -541,6 +570,7 @@
 	{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
@@ -593,6 +623,12 @@
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI, HID_QUIRK_APPLE_HAS_FN },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS, HID_QUIRK_APPLE_HAS_FN },
+	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
+	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_APPLE_ISO_KEYBOARD },
+	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
+	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI, HID_QUIRK_APPLE_HAS_FN },
+	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD },
+	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS, HID_QUIRK_APPLE_HAS_FN },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
 
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 3902690..74ff575 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -528,7 +528,7 @@
 int hid_input_report(struct hid_device *, int type, u8 *, int, int);
 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
 int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long **, int *);
-void hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
+int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
 int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32);
 void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt);
 void hid_output_report(struct hid_report *report, __u8 *data);