2 files changed, 3 insertions, 1 deletions

diff --git a/sys/dev/evdev/evdev.c b/sys/dev/evdev/evdev.c
index 87cdaeb91e49..e71f4f389d5c 100644
--- a/sys/dev/evdev/evdev.c
+++ b/sys/dev/evdev/evdev.c
@@ -82,7 +82,7 @@ SYSCTL_INT(_kern_evdev, OID_AUTO, rcpt_mask, CTLFLAG_RWTUN, &evdev_rcpt_mask, 0,
     "Who is receiving events: bit0 - sysmouse, bit1 - kbdmux, "
     "bit2 - mouse hardware, bit3 - keyboard hardware");
 SYSCTL_INT(_kern_evdev, OID_AUTO, sysmouse_t_axis, CTLFLAG_RWTUN,
-    &evdev_sysmouse_t_axis, 0, "Extract T-axis from 0-none, 1-ums, 2-psm");
+    &evdev_sysmouse_t_axis, 0, "Extract T-axis from 0-none, 1-ums, 2-psm, 3-wsp");
 #endif
 SYSCTL_NODE(_kern_evdev, OID_AUTO, input, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
     "Evdev input devices");
diff --git a/sys/dev/evdev/evdev.h b/sys/dev/evdev/evdev.h
index 2f00d49c485d..2ee374f184cc 100644
--- a/sys/dev/evdev/evdev.h
+++ b/sys/dev/evdev/evdev.h
@@ -62,12 +62,14 @@ extern int evdev_rcpt_mask;
  * 0 - do not extract horizontal wheel movement (default).
  * 1 - ums(4) horizontal wheel encoding. T-axis is mapped to buttons 6 and 7
  * 2 - psm(4) wheels encoding: z = 1,-1 - vert. wheel, z = 2,-2 - horiz. wheel
+ * 3 - wsp(4) horizontal and vertical encoding. T-axis is mapped to button 5.
  */
 enum
 {
 	EVDEV_SYSMOUSE_T_AXIS_NONE = 0,
 	EVDEV_SYSMOUSE_T_AXIS_UMS = 1,
 	EVDEV_SYSMOUSE_T_AXIS_PSM = 2,
+	EVDEV_SYSMOUSE_T_AXIS_WSP = 3,
 };
 extern int evdev_sysmouse_t_axis;