1 files changed, 5 insertions, 4 deletions

diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index 7288a7c573cc..fb78f6f500f3 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -270,10 +270,11 @@ struct input_mask {
 /*
  * MT_TOOL types
  */
-#define MT_TOOL_FINGER          0
-#define MT_TOOL_PEN             1
-#define MT_TOOL_PALM            2
-#define MT_TOOL_MAX             2
+#define MT_TOOL_FINGER          0x00
+#define MT_TOOL_PEN             0x01
+#define MT_TOOL_PALM            0x02
+#define MT_TOOL_DIAL            0x0a
+#define MT_TOOL_MAX             0x0f
 
 /*
  * Values describing the status of a force-feedback effect