1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/input.h b/include/linux/input.h
index 99e2a52c0509..6de145df4c1c 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -848,6 +848,7 @@ struct input_keymap_entry {
  */
 #define MT_TOOL_FINGER          0
 #define MT_TOOL_PEN             1
+#define MT_TOOL_MAX             1
 
 /*
  * Values describing the status of a force-feedback effect
@@ -1122,6 +1123,7 @@ struct ff_effect {
  *      of tracked contacts
  * @mtsize: number of MT slots the device uses
  * @slot: MT slot currently being transmitted
+ * @trkid: stores MT tracking ID for the current contact
  * @absinfo: array of &struct absinfo elements holding information
  *      about absolute axes (current value, min, max, flat, fuzz,
  *      resolution)
@@ -1206,6 +1208,7 @@ struct input_dev {
         struct input_mt_slot *mt;
         int mtsize;
         int slot;
+        int trkid;
 
         struct input_absinfo *absinfo;