Input: add HID simulation mappings

Add simulation usage page mappings to hid-input.c to support
a new crop of joysticks using them to designate Rudder and
Throttle controls.

Signed-off-by: Vojtech Pavlik <[e-mail]>
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/usb/input/hid-debug.h

···
       {0, 0x91, "D-PadDown"},
       {0, 0x92, "D-PadRight"},
       {0, 0x93, "D-PadLeft"},
+  {  2, 0, "Simulation" },
+      {0, 0xb0, "Aileron"},
+      {0, 0xb1, "AileronTrim"},
+      {0, 0xb2, "Anti-Torque"},
+      {0, 0xb3, "Autopilot"},
+      {0, 0xb4, "Chaff"},
+      {0, 0xb5, "Collective"},
+      {0, 0xb6, "DiveBrake"},
+      {0, 0xb7, "ElectronicCountermeasures"},
+      {0, 0xb8, "Elevator"},
+      {0, 0xb9, "ElevatorTrim"},
+      {0, 0xba, "Rudder"},
+      {0, 0xbb, "Throttle"},
+      {0, 0xbc, "FlightCommunications"},
+      {0, 0xbd, "FlareRelease"},
+      {0, 0xbe, "LandingGear"},
+      {0, 0xbf, "ToeBrake"},
   {  7, 0, "Keyboard" },
   {  8, 0, "LED" },
       {0, 0x01, "NumLock"},

drivers/usb/input/hid-input.c

···
 			map_key(code);
 			break;
 
+
+		case HID_UP_SIMULATION:
+
+			switch (usage->hid & 0xffff) {
+				case 0xba: map_abs(ABS_RUDDER); break;
+				case 0xbb: map_abs(ABS_THROTTLE); break;
+			}
+			break;
+
 		case HID_UP_GENDESK:
 
 			if ((usage->hid & 0xf0) == 0x80) {	/* SystemControl */

drivers/usb/input/hid.h

···
 
 #define HID_UP_UNDEFINED	0x00000000
 #define HID_UP_GENDESK		0x00010000
+#define HID_UP_SIMULATION	0x00020000
 #define HID_UP_KEYBOARD		0x00070000
 #define HID_UP_LED		0x00080000
 #define HID_UP_BUTTON		0x00090000