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Input: wacom - do not send 2FGT Tablet PC events in TAP format 

2FGT Tablet PC touch events were processed in _TAP_ format. Remove
them so we can change to _MT_ format.

Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Ping Cheng 2011-03-12 20:33:33 -08:00 committed by Dmitry Torokhov
parent 0d3c07378b
commit 4fc193814b
2 changed files with 10 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

84
drivers/input/tablet/wacom_wac.c
View File

@ -675,40 +675,6 @@ static int wacom_intuos_irq(struct wacom_wac *wacom)
return 1;
}
static void wacom_tpc_finger_in(struct wacom_wac *wacom, char *data, int idx)
{
struct input_dev *input = wacom->input;
int finger = idx + 1;
int x = le16_to_cpup((__le16 *)&data[finger * 2]) & 0x7fff;
int y = le16_to_cpup((__le16 *)&data[4 + finger * 2]) & 0x7fff;
/*
* Work around input core suppressing "duplicate" events since
* we are abusing ABS_X/ABS_Y to transmit multi-finger data.
* This should go away once we switch to true multitouch
* protocol.
*/
if (wacom->last_finger != finger) {
if (x == input_abs_get_val(input, ABS_X))
x++;
if (y == input_abs_get_val(input, ABS_Y))
y++;
}
input_report_abs(input, ABS_X, x);
input_report_abs(input, ABS_Y, y);
input_report_abs(input, ABS_MISC, wacom->id[0]);
input_report_key(input, wacom->tool[finger], 1);
if (!idx)
input_report_key(input, BTN_TOUCH, 1);
input_event(input, EV_MSC, MSC_SERIAL, finger);
input_sync(input);
wacom->last_finger = finger;
}
static void wacom_tpc_touch_out(struct wacom_wac *wacom, int idx)
{
struct input_dev *input = wacom->input;
@ -731,7 +697,6 @@ static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len)
wacom->tool[1] = BTN_TOOL_DOUBLETAP;
wacom->id[0] = TOUCH_DEVICE_ID;
wacom->tool[2] = BTN_TOOL_TRIPLETAP;
if (len != WACOM_PKGLEN_TPC1FG) {
@ -746,18 +711,6 @@ static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len)
input_report_key(input, wacom->tool[1], 1);
input_sync(input);
break;
case WACOM_REPORT_TPC2FG:
if (data[1] & 0x01)
wacom_tpc_finger_in(wacom, data, 0);
else if (wacom->id[1] & 0x01)
wacom_tpc_touch_out(wacom, 0);
if (data[1] & 0x02)
wacom_tpc_finger_in(wacom, data, 1);
else if (wacom->id[1] & 0x02)
wacom_tpc_touch_out(wacom, 1);
break;
}
} else {
input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
@ -779,47 +732,26 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
dbg("wacom_tpc_irq: received report #%d", data[0]);
if (len == WACOM_PKGLEN_TPC1FG || /* single touch */
data[0] == WACOM_REPORT_TPC1FG || /* single touch */
data[0] == WACOM_REPORT_TPC2FG) { /* 2FG touch */
if (len == WACOM_PKGLEN_TPC1FG ||
data[0] == WACOM_REPORT_TPC1FG) { /* single touch */
if (wacom->shared->stylus_in_proximity) {
if (wacom->id[1] & 0x01)
wacom_tpc_touch_out(wacom, 0);
if (wacom->id[1] & 0x02)
wacom_tpc_touch_out(wacom, 1);
wacom->id[1] = 0;
return 0;
}
if (len == WACOM_PKGLEN_TPC1FG) { /* with touch */
if (len == WACOM_PKGLEN_TPC1FG)
prox = data[0] & 0x01;
} else { /* with capacity */
if (data[0] == WACOM_REPORT_TPC1FG)
/* single touch */
prox = data[1] & 0x01;
else
/* 2FG touch data */
prox = data[1] & 0x03;
}
else /* with capacity */
prox = data[1] & 0x01;
if (prox) {
if (!wacom->id[1])
wacom->last_finger = 1;
if (prox)
wacom_tpc_touch_in(wacom, len);
} else {
if (data[0] == WACOM_REPORT_TPC2FG) {
/* 2FGT out-prox */
if (wacom->id[1] & 0x01)
wacom_tpc_touch_out(wacom, 0);
if (wacom->id[1] & 0x02)
wacom_tpc_touch_out(wacom, 1);
} else
/* one finger touch */
wacom_tpc_touch_out(wacom, 0);
else {
wacom_tpc_touch_out(wacom, 0);
wacom->id[0] = 0;
}

5
drivers/input/tablet/wacom_wac.h
View File

@ -93,10 +93,9 @@ struct wacom_shared {
struct wacom_wac {
char name[64];
unsigned char *data;
int tool[3];
int id[3];
int tool[2];
int id[2];
__u32 serial[2];
int last_finger;
struct wacom_features features;
struct wacom_shared *shared;
struct input_dev *input;