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HID: ntrig tool separation and pen usages

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When both touch and pen are active send a tool announcement before
sending any status changes so that event users may differentiate
which tool is changing.

Restored three usage codes used by the pen.

Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Acked-by: Stephane Chatty <chatty@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Rafi Rubin 2009-06-23 14:09:26 -04:00 committed by Jiri Kosina
parent 8b424887b6
commit 837b47533a
1 changed files with 29 additions and 4 deletions
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33
drivers/hid/hid-ntrig.c
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@ -27,6 +27,9 @@
struct ntrig_data {
__s32 x, y, id, w, h;
char reading_a_point, found_contact_id;
char pen_active;
char finger_active;
char inverted;
};
/*
@ -63,10 +66,7 @@ static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi,
case HID_UP_DIGITIZER:
switch (usage->hid) {
/* we do not want to map these for now */
case HID_DG_INVERT: /* value is always 0 */
case HID_DG_ERASER: /* value is always 0 */
case HID_DG_CONTACTID: /* value is useless */
case HID_DG_BARRELSWITCH: /* doubtful */
case HID_DG_INPUTMODE:
case HID_DG_DEVICEINDEX:
case HID_DG_CONTACTCOUNT:
@ -125,6 +125,18 @@ 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;
@ -147,7 +159,11 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
* report received in a finger event. We want
* to emit a normal (X, Y) position
*/
if (! nd->found_contact_id) {
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);
}
@ -159,6 +175,14 @@ 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,
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);
@ -233,6 +257,7 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret)
kfree (nd);
return ret;
}