diff -ur linux-2.6.38.orig/drivers/hid/hid-ids.h linux-2.6.38/drivers/hid/hid-ids.h 
--- linux-2.6.38.orig/drivers/hid/hid-ids.h 2011-03-22 17:27:45.628320449 +0000 
+++ linux-2.6.38/drivers/hid/hid-ids.h 2011-03-22 17:29:01.844925858 +0000 
@@ -502,6 +502,7 @@ 
#define USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS 0x2cf6 

#define USB_VENDOR_ID_SAITEK 0x06a3 
+#define USB_DEVICE_ID_SAITEK_RAT7 0x0ccb 
#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17 

#define USB_VENDOR_ID_SAMSUNG 0x0419 
diff -ur linux-2.6.38.orig/drivers/hid/hid-input.c linux-2.6.38/drivers/hid/hid-input.c 
--- linux-2.6.38.orig/drivers/hid/hid-input.c 2011-03-22 17:27:45.644319741 +0000 
+++ linux-2.6.38/drivers/hid/hid-input.c 2011-03-22 20:07:20.254290914 +0000 
@@ -790,6 +790,22 @@ 

if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) 
input_event(input, usage->type, usage->code, 0); 
+ 
+ /* hack for Saitek RAT mice which report release events for their 
+ * mode button on the NEXT press event: instant release 
+ */ 
+ if ((*quirks & HID_QUIRK_RAT_BROKEN_BUTTON_RELEASE) && 
+ value && usage->type == EV_KEY && 
+ usage->code >= BTN_MOUSE + 8 && usage->code <= BTN_MOUSE + 10 && 
+ test_bit(usage->code, input->key)) { 
+ input_event(input, usage->type, usage->code, 0); 
+ /* we'll get a real release event from the mouse anyway, and 
+ * userspace should cope with the extra input-layer 
+ * button-up events anyway; just re-set the bit to stop 
+ * spurious button-down events 
+ */ 
+ set_bit(usage->code, input->key); 
+ } 
} 

void hidinput_report_event(struct hid_device *hid, struct hid_report *report) 
diff -ur linux-2.6.38.orig/drivers/hid/usbhid/hid-quirks.c linux-2.6.38/drivers/hid/usbhid/hid-quirks.c 
--- linux-2.6.38.orig/drivers/hid/usbhid/hid-quirks.c 2011-03-22 17:27:45.652319385 +0000 
+++ linux-2.6.38/drivers/hid/usbhid/hid-quirks.c 2011-03-22 17:29:01.844925858 +0000 
@@ -85,6 +85,8 @@ 

{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT }, 
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT }, 
+ 
+ { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7, HID_QUIRK_RAT_BROKEN_BUTTON_RELEASE }, 
{ 0, 0 } 
}; 

diff -ur linux-2.6.38.orig/include/linux/hid.h linux-2.6.38/include/linux/hid.h 
--- linux-2.6.38.orig/include/linux/hid.h 2011-03-22 17:27:45.692317595 +0000 
+++ linux-2.6.38/include/linux/hid.h 2011-03-22 17:29:01.884924059 +0000 
@@ -312,6 +312,7 @@ 
#define HID_QUIRK_BADPAD 0x00000020 
#define HID_QUIRK_MULTI_INPUT 0x00000040 
#define HID_QUIRK_HIDINPUT_FORCE 0x00000080 
+#define HID_QUIRK_RAT_BROKEN_BUTTON_RELEASE 0x00000100 
#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 
#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 
#define HID_QUIRK_NO_INIT_REPORTS 0x20000000