1 files changed, 9 insertions, 3 deletions

diff --git a/src/core/frontend/input.h b/src/core/frontend/input.h
index 88ebc6497..0c5d2b3b0 100644
--- a/src/core/frontend/input.h
+++ b/src/core/frontend/input.h
@@ -11,6 +11,7 @@
 #include <utility>
 #include "common/logging/log.h"
 #include "common/param_package.h"
+#include "common/quaternion.h"
 #include "common/vector_math.h"
 
 namespace Input {
@@ -143,9 +144,10 @@ using VibrationDevice = InputDevice<u8>;
 
 /**
  * A motion status is an object that returns a tuple of accelerometer state vector,
- * gyroscope state vector, rotation state vector and orientation state matrix.
+ * gyroscope state vector, rotation state vector, orientation state matrix and quaterion state
+ * vector.
  *
- * For both vectors:
+ * For both 3D vectors:
  *   x+ is the same direction as RIGHT on D-pad.
  *   y+ is normal to the touch screen, pointing outward.
  *   z+ is the same direction as UP on D-pad.
@@ -164,9 +166,13 @@ using VibrationDevice = InputDevice<u8>;
  *   x vector
  *   y vector
  *   z vector
+ *
+ * For quaternion state vector
+ *   xyz vector
+ *   w float
  */
 using MotionStatus = std::tuple<Common::Vec3<float>, Common::Vec3<float>, Common::Vec3<float>,
-                                std::array<Common::Vec3f, 3>>;
+                                std::array<Common::Vec3f, 3>, Common::Quaternion<f32>>;
 
 /**
  * A motion device is an input device that returns a motion status object