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-rw-r--r--drivers/hid/hid-magicmouse.c27
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 319b0e57ee4..b74abf202e0 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