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authorRafi Rubin <rafi@seas.upenn.edu>2009-06-23 14:09:26 -0400
committerJiri Kosina <jkosina@suse.cz>2009-07-23 01:28:01 +0200
commit837b47533a6476ab3fb96b1f52edd3ce9f3162b8 (patch)
tree73bcac56f0e4fd0d347fe91a9a28c6bdfad6bc72 /drivers/hid/hid-ntrig.c
parent8b424887b603e953af7238fef96629424dc915cb (diff)
downloadlinux-2.6.38-lt-ux500-837b47533a6476ab3fb96b1f52edd3ce9f3162b8.tar.gz
HID: ntrig tool separation and pen usages
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>
Diffstat (limited to 'drivers/hid/hid-ntrig.c')
-rw-r--r--drivers/hid/hid-ntrig.c33
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 75ed9d2c1a3..d7b3e61fbf8 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -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;
}