[PATCH 4.1 004/123] Revert "Input: synaptics - allocate 3 slots to keep stability in image sensors"

From: Greg Kroah-Hartman
Date: Sat Aug 08 2015 - 18:41:25 EST


4.1-stable review patch. If anyone has any objections, please let me know.

------------------

From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

commit dbf3c370862d73fcd2c74ca55e254bb02143238d upstream.

This reverts commit 63c4fda3c0bb841b1aad1298fc7fe94058fc79f8 as it
causes issues with detecting 3-finger taps.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=100481
Acked-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

---
drivers/input/mouse/synaptics.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1199,7 +1199,7 @@ static void set_input_params(struct psmo
ABS_MT_POSITION_Y);
/* Image sensors can report per-contact pressure */
input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
- input_mt_init_slots(dev, 3, INPUT_MT_POINTER | INPUT_MT_TRACK);
+ input_mt_init_slots(dev, 2, INPUT_MT_POINTER | INPUT_MT_TRACK);

/* Image sensors can signal 4 and 5 finger clicks */
__set_bit(BTN_TOOL_QUADTAP, dev->keybit);


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