[PATCH v3 3/5] input: synaptics - setup devices depending on their capabilities

From: Gabriele Mazzotta
Date: Sun Mar 22 2015 - 10:45:19 EST


ABS_X, ABS_Y and ABS_PRESSURE were defined for all the devices, even
if not needed. Fix this by configuring each device depending on its
capabilities.

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
---
drivers/input/mouse/synaptics.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index a7a0e73..ff47084 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1188,11 +1188,6 @@ static void set_input_params(struct psmouse *psmouse,

/* Absolute mode */
__set_bit(EV_ABS, dev->evbit);
- set_abs_position_params(dev, priv, ABS_X, ABS_Y);
- input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
-
- if (cr48_profile_sensor)
- input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);

if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) {
set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
@@ -1200,26 +1195,32 @@ static void set_input_params(struct psmouse *psmouse,
/* Image sensors can report per-contact pressure */
input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 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);
__set_bit(BTN_TOOL_QUINTTAP, dev->keybit);
- } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) {
+ } else if (cr48_profile_sensor) {
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);
/*
* Profile sensor in CR-48 tracks contacts reasonably well,
* other non-image sensors with AGM use semi-mt.
*/
+ input_mt_init_slots(dev, 2, INPUT_MT_POINTER | INPUT_MT_TRACK);
+ } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) {
+ set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
+ ABS_MT_POSITION_Y);
+ input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
+ input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
input_mt_init_slots(dev, 2,
- INPUT_MT_POINTER |
- (cr48_profile_sensor ?
- INPUT_MT_TRACK : INPUT_MT_SEMI_MT));
+ INPUT_MT_POINTER | INPUT_MT_SEMI_MT);
+ } else {
+ set_abs_position_params(dev, priv, ABS_X, ABS_Y);
+ input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
+ if (SYN_CAP_PALMDETECT(priv->capabilities))
+ input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
}

- if (SYN_CAP_PALMDETECT(priv->capabilities))
- input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
-
__set_bit(BTN_TOUCH, dev->keybit);
__set_bit(BTN_TOOL_FINGER, dev->keybit);

--
2.1.4

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