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HID: n-trig: remove unnecessary tool switching 

With the pen and touch split apart, we no longer need to inject
additional tool switching events.

Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Rafi Rubin 2010-02-11 22:14:06 -05:00 committed by Jiri Kosina
parent 943ed464f3
commit b0549cf1a3
1 changed files with 1 additions and 40 deletions
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41
drivers/hid/hid-ntrig.c
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@ -27,9 +27,6 @@
struct ntrig_data {
__s32 x, y, id, w, h;
bool reading_a_point, found_contact_id;
bool pen_active;
bool finger_active;
bool inverted;
};
/*
@ -47,7 +44,6 @@ static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi,
return 0;
switch (usage->hid & HID_USAGE_PAGE) {
case HID_UP_GENDESK:
switch (usage->hid) {
case HID_GD_X:
@ -111,6 +107,7 @@ static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi,
/* No special mappings needed for the pen */
if (field->application == HID_DG_PEN)
return 0;
if (usage->type == EV_KEY || usage->type == EV_REL
|| usage->type == EV_ABS)
clear_bit(usage->code, *bit);
@ -136,18 +133,6 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
if (hid->claimed & HID_CLAIMED_INPUT) {
switch (usage->hid) {
case HID_DG_INRANGE:
if (field->application & 0x3)
nd->pen_active = (value != 0);
else
nd->finger_active = (value != 0);
return 0;
case HID_DG_INVERT:
nd->inverted = value;
return 0;
case HID_GD_X:
nd->x = value;
nd->reading_a_point = 1;
@ -171,34 +156,10 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
* to emit a normal (X, Y) position
*/
if (!nd->found_contact_id) {
if (nd->pen_active && nd->finger_active) {
input_report_key(input, BTN_TOOL_DOUBLETAP, 0);
input_report_key(input, BTN_TOOL_DOUBLETAP, 1);
}
input_event(input, EV_ABS, ABS_X, nd->x);
input_event(input, EV_ABS, ABS_Y, nd->y);
}
break;
case HID_DG_TIPPRESSURE:
/*
* when in single touch mode, this is the last
* report received in a pen event. We want
* to emit a normal (X, Y) position
*/
if (! nd->found_contact_id) {
if (nd->pen_active && nd->finger_active) {
input_report_key(input,
nd->inverted ? BTN_TOOL_RUBBER : BTN_TOOL_PEN
, 0);
input_report_key(input,
nd->inverted ? BTN_TOOL_RUBBER : BTN_TOOL_PEN
, 1);
}
input_event(input, EV_ABS, ABS_X, nd->x);
input_event(input, EV_ABS, ABS_Y, nd->y);
input_event(input, EV_ABS, ABS_PRESSURE, value);
}
break;
case 0xff000002:
/*
* we receive this when the device is in multitouch