[PATCH v3 4/5] input: synaptics - make image sensors and cr48 sensors report widths

From: Gabriele Mazzotta
Date: Sun Mar 22 2015 - 10:44:53 EST


The driver was not reporting widths for image sensors and cr48 sensors
despite it was calculating them.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=77161
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
---
drivers/input/mouse/synaptics.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index ff47084..4e86ba6 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -927,6 +927,7 @@ static void synaptics_report_mt_data(struct psmouse *psmouse,
input_report_abs(dev, ABS_MT_POSITION_X, pos[i].x);
input_report_abs(dev, ABS_MT_POSITION_Y, pos[i].y);
input_report_abs(dev, ABS_MT_PRESSURE, hw[i]->z);
+ input_report_abs(dev, ABS_MT_TOUCH_MAJOR, hw[i]->w);
}

input_mt_drop_unused(dev);
@@ -1192,8 +1193,9 @@ static void set_input_params(struct psmouse *psmouse,
if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) {
set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
ABS_MT_POSITION_Y);
- /* Image sensors can report per-contact pressure */
+ /* Image sensors can report per-contact pressure and width */
input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
+ input_set_abs_params(dev, ABS_MT_TOUCH_MAJOR, 4, 15, 0, 0);
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);
@@ -1202,6 +1204,7 @@ static void set_input_params(struct psmouse *psmouse,
set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
ABS_MT_POSITION_Y);
input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
+ input_set_abs_params(dev, ABS_MT_TOUCH_MAJOR, 4, 15, 0, 0);
/*
* Profile sensor in CR-48 tracks contacts reasonably well,
* other non-image sensors with AGM use semi-mt.
--
2.1.4

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