2 files changed, 36 insertions, 0 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 8ff92aa13a0a..e54e002665b0 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -33,6 +33,15 @@ MODULE_LICENSE("GPL");
  * EV_ABS events which should not be cached are listed here.
  */
 static unsigned int input_abs_bypass_init_data[] __initdata = {
+        ABS_MT_TOUCH_MAJOR,
+        ABS_MT_TOUCH_MINOR,
+        ABS_MT_WIDTH_MAJOR,
+        ABS_MT_WIDTH_MINOR,
+        ABS_MT_ORIENTATION,
+        ABS_MT_POSITION_X,
+        ABS_MT_POSITION_Y,
+        ABS_MT_TOOL_TYPE,
+        ABS_MT_BLOB_ID,
         0
 };
 static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
@@ -169,6 +178,10 @@ static void input_handle_event(struct input_dev *dev,
                                 disposition = INPUT_PASS_TO_HANDLERS;
                         }
                         break;
+                case SYN_MT_REPORT:
+                        dev->sync = 0;
+                        disposition = INPUT_PASS_TO_HANDLERS;
+                        break;
                 }
                 break;
 
diff --git a/include/linux/input.h b/include/linux/input.h
index 32cb825939be..0e6ff5de3588 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -106,6 +106,7 @@ struct input_absinfo {
 
 #define SYN_REPORT              0
 #define SYN_CONFIG              1
+#define SYN_MT_REPORT           2
 
 /*
  * Keys and buttons
@@ -645,6 +646,17 @@ struct input_absinfo {
 #define ABS_TOOL_WIDTH          0x1c
 #define ABS_VOLUME              0x20
 #define ABS_MISC                0x28
+
+#define ABS_MT_TOUCH_MAJOR      0x30    /* Major axis of touching ellipse */
+#define ABS_MT_TOUCH_MINOR      0x31    /* Minor axis (omit if circular) */
+#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_TOOL_TYPE        0x37    /* Type of touching device */
+#define ABS_MT_BLOB_ID          0x38    /* Group a set of packets as a blob */
+
 #define ABS_MAX                 0x3f
 #define ABS_CNT                 (ABS_MAX+1)
 
@@ -744,6 +756,12 @@ struct input_absinfo {
 #define BUS_ATARI               0x1B
 
 /*
+ * MT_TOOL types
+ */
+#define MT_TOOL_FINGER          0
+#define MT_TOOL_PEN             1
+
+/*
  * Values describing the status of a force-feedback effect
  */
 #define FF_STATUS_STOPPED       0x00
@@ -1312,6 +1330,11 @@ static inline void input_sync(struct input_dev *dev)
         input_event(dev, EV_SYN, SYN_REPORT, 0);
 }
 
+static inline void input_mt_sync(struct input_dev *dev)
+{
+        input_event(dev, EV_SYN, SYN_MT_REPORT, 0);
+}
+
 void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code);
 
 static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)