hidapi: Also parse data[12] with dpad values on the xb1s controller

src/joystick/hidapi/SDL_hidapi_xbox360.c

@@ -840,7 +840,7 @@ HIDAPI_DriverXbox360_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev,
         SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[10] & 0x80) ? SDL_PRESSED : SDL_RELEASED);
     }
 
-    if (ctx->last_state[11] != data[11]) {
+    if (ctx->last_state[11] != data[11] || ctx->last_state[12] != data[12]) {
         SDL_bool dpad_up = SDL_FALSE;
         SDL_bool dpad_down = SDL_FALSE;
         SDL_bool dpad_left = SDL_FALSE;
@@ -881,6 +881,40 @@ HIDAPI_DriverXbox360_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev,
         default:
             break;
         }
+
+        switch (data[12] & 0x0F) {
+        case 1:
+            dpad_up = SDL_TRUE;
+            break;
+        case 2:
+            dpad_up = SDL_TRUE;
+            dpad_right = SDL_TRUE;
+            break;
+        case 3:
+            dpad_right = SDL_TRUE;
+            break;
+        case 4:
+            dpad_right = SDL_TRUE;
+            dpad_down = SDL_TRUE;
+            break;
+        case 5:
+            dpad_down = SDL_TRUE;
+            break;
+        case 6:
+            dpad_left = SDL_TRUE;
+            dpad_down = SDL_TRUE;
+            break;
+        case 7:
+            dpad_left = SDL_TRUE;
+            break;
+        case 8:
+            dpad_up = SDL_TRUE;
+            dpad_left = SDL_TRUE;
+            break;
+        default:
+            break;
+        }
+
         SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down);
         SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up);
         SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right);