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authorDavid S. Miller <davem@davemloft.net>2010-03-22 20:05:26 -0700
committerDavid S. Miller <davem@davemloft.net>2010-03-22 20:05:26 -0700
commit91c030b4d6445ebe9fbddb86d584441f300df15c (patch)
treee8a48e3ad9e0448c690268175e555fa651983546 /drivers/hid/hid-ntrig.c
parent7c3456fdb503071787f7f972de1069b9cacd16f0 (diff)
parentae6be51ed01d6c4aaf249a207b4434bc7785853b (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/hid/hid-ntrig.c')
-rw-r--r--drivers/hid/hid-ntrig.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 3234c729a895..edcc0c4247bb 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -140,6 +140,9 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
nd->reading_mt = 1;
nd->first_contact_confidence = 0;
break;
+ case HID_DG_TIPSWITCH:
+ /* Prevent emission of touch until validated */
+ return 1;
case HID_DG_CONFIDENCE:
nd->confidence = value;
break;
@@ -259,6 +262,7 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
BTN_TOOL_TRIPLETAP, 0);
input_report_key(input,
BTN_TOOL_QUADTAP, 0);
+ input_report_key(input, BTN_TOUCH, 0);
}
break;
@@ -308,13 +312,20 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
list_for_each_entry(hidinput, &hdev->inputs, list) {
+ if (hidinput->report->maxfield < 1)
+ continue;
+
input = hidinput->input;
switch (hidinput->report->field[0]->application) {
case HID_DG_PEN:
input->name = "N-Trig Pen";
break;
case HID_DG_TOUCHSCREEN:
+ /* These keys are redundant for fingers, clear them
+ * to prevent incorrect identification */
__clear_bit(BTN_TOOL_PEN, input->keybit);
+ __clear_bit(BTN_TOOL_FINGER, input->keybit);
+ __clear_bit(BTN_0, input->keybit);
/*
* A little something special to enable
* two and three finger taps.