1 files changed, 6 insertions, 3 deletions

diff --git a/include/linux/input.h b/include/linux/input.h
index a81671453575..725dcd0f63a4 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -116,6 +116,7 @@ struct input_keymap_entry {
 
 /**
  * EVIOCGMTSLOTS(len) - get MT slot values
+ * @len: size of the data buffer in bytes
  *
  * The ioctl buffer argument should be binary equivalent to
  *
@@ -806,18 +807,20 @@ struct input_keymap_entry {
 #define ABS_MT_WIDTH_MAJOR      0x32    /* Major axis of approaching ellipse */
 #define ABS_MT_WIDTH_MINOR      0x33    /* Minor axis (omit if circular) */
 #define ABS_MT_ORIENTATION      0x34    /* Ellipse orientation */
-#define ABS_MT_POSITION_X       0x35    /* Center X ellipse position */
-#define ABS_MT_POSITION_Y       0x36    /* Center Y ellipse position */
+#define ABS_MT_POSITION_X       0x35    /* Center X touch position */
+#define ABS_MT_POSITION_Y       0x36    /* Center Y touch position */
 #define ABS_MT_TOOL_TYPE        0x37    /* Type of touching device */
 #define ABS_MT_BLOB_ID          0x38    /* Group a set of packets as a blob */
 #define ABS_MT_TRACKING_ID      0x39    /* Unique ID of initiated contact */
 #define ABS_MT_PRESSURE         0x3a    /* Pressure on contact area */
 #define ABS_MT_DISTANCE         0x3b    /* Contact hover distance */
+#define ABS_MT_TOOL_X           0x3c    /* Center X tool position */
+#define ABS_MT_TOOL_Y           0x3d    /* Center Y tool position */
 
 #ifdef __KERNEL__
 /* Implementation details, userspace should not care about these */
 #define ABS_MT_FIRST            ABS_MT_TOUCH_MAJOR
-#define ABS_MT_LAST             ABS_MT_DISTANCE
+#define ABS_MT_LAST             ABS_MT_TOOL_Y
 #endif
 
 #define ABS_MAX                 0x3f