1 files changed, 9 insertions, 18 deletions

diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 319b0e57ee41..b74abf202e01 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -98,7 +98,6 @@ struct magicmouse_sc {
                 short scroll_x;
                 short scroll_y;
                 u8 size;
-                u8 down;
         } touches[16];
         int tracking_ids[16];
 };
@@ -226,8 +225,6 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
         if (report_touches && down) {
                 int orientation = (misc >> 10) - 32;
 
-                msc->touches[id].down = 1;
-
                 input_report_abs(input, ABS_MT_TRACKING_ID, id);
                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, tdata[3]);
                 input_report_abs(input, ABS_MT_TOUCH_MINOR, tdata[4]);
@@ -240,6 +237,9 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
 
                 input_mt_sync(input);
         }
+
+        if (down)
+                msc->ntouches++;
 }
 
 static int magicmouse_raw_event(struct hid_device *hdev,
@@ -247,7 +247,7 @@ static int magicmouse_raw_event(struct hid_device *hdev,
 {
         struct magicmouse_sc *msc = hid_get_drvdata(hdev);
         struct input_dev *input = msc->input;
-        int x, y, ts, ii, clicks, last_up;
+        int x, y, ts, ii, clicks, npoints;
 
         switch (data[0]) {
         case 0x10:
@@ -264,22 +264,13 @@ static int magicmouse_raw_event(struct hid_device *hdev,
                 ts = data[3] >> 6 | data[4] << 2 | data[5] << 10;
                 msc->delta_time = (ts - msc->last_timestamp) & 0x3ffff;
                 msc->last_timestamp = ts;
-                msc->ntouches = (size - 6) / 8;
-                for (ii = 0; ii < msc->ntouches; ii++)
+                npoints = (size - 6) / 8;
+                msc->ntouches = 0;
+                for (ii = 0; ii < npoints; ii++)
                         magicmouse_emit_touch(msc, ii, data + ii * 8 + 6);
 
-                if (report_touches) {
-                        last_up = 1;
-                        for (ii = 0; ii < ARRAY_SIZE(msc->touches); ii++) {
-                                if (msc->touches[ii].down) {
-                                        last_up = 0;
-                                        msc->touches[ii].down = 0;
-                                }
-                        }
-                        if (last_up) {
-                                input_mt_sync(input);
-                        }
-                }
+                if (report_touches && msc->ntouches == 0)
+                        input_mt_sync(input);
 
                 /* When emulating three-button mode, it is important
                  * to have the current touch information before