Input: xpad - enable rumble support for XBox360 Wireless Controllers

This patch implements rumble support for XBox360 Wireless Controllers.
Signed-off-by: Chris Moeller <kode54@gmail.c>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/joystick/xpad.c

@@ -549,7 +549,7 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
 	struct usb_endpoint_descriptor *ep_irq_out;
 	int error;
 
-	if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
+	if (xpad->xtype == XTYPE_UNKNOWN)
 		return 0;
 
 	xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
@@ -583,13 +583,13 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
 
 static void xpad_stop_output(struct usb_xpad *xpad)
 {
-	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX)
+	if (xpad->xtype != XTYPE_UNKNOWN)
 		usb_kill_urb(xpad->irq_out);
 }
 
 static void xpad_deinit_output(struct usb_xpad *xpad)
 {
-	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX) {
+	if (xpad->xtype != XTYPE_UNKNOWN) {
 		usb_free_urb(xpad->irq_out);
 		usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
 				xpad->odata, xpad->odata_dma);
@@ -636,6 +636,23 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect
 
 			return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
 
+		case XTYPE_XBOX360W:
+			xpad->odata[0] = 0x00;
+			xpad->odata[1] = 0x01;
+			xpad->odata[2] = 0x0F;
+			xpad->odata[3] = 0xC0;
+			xpad->odata[4] = 0x00;
+			xpad->odata[5] = strong / 256;
+			xpad->odata[6] = weak / 256;
+			xpad->odata[7] = 0x00;
+			xpad->odata[8] = 0x00;
+			xpad->odata[9] = 0x00;
+			xpad->odata[10] = 0x00;
+			xpad->odata[11] = 0x00;
+			xpad->irq_out->transfer_buffer_length = 12;
+
+			return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
+
 		default:
 			dbg("%s - rumble command sent to unsupported xpad type: %d",
 				__func__, xpad->xtype);
@@ -648,7 +665,7 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect
 
 static int xpad_init_ff(struct usb_xpad *xpad)
 {
-	if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
+	if (xpad->xtype == XTYPE_UNKNOWN)
 		return 0;
 
 	input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);