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authorPing Cheng <pingc@wacom.com>2009-12-15 00:35:25 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-15 00:36:20 -0800
commit0f5e182dff576e6f3cd9b805834f18d11f2882aa (patch)
treeb4a278799bfa6b61a4d2d3c3ea43f22e2b788341 /drivers/input
parentcad7470084686d876ebfecf55a9ce039075f9134 (diff)
downloadlinux-linaro-stable-0f5e182dff576e6f3cd9b805834f18d11f2882aa.tar.gz
Input: wacom - separate pen from express keys on Graphire
Since Graphire/Bamboo devices report pen and expresskeys in the same data packet, we need to send a input_sync event to separate pen data from expresskeys for X11 driver to process them properly. Signed-off-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/tablet/wacom_wac.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index e4e8c3636940..1056f149fe31 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -154,6 +154,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
{
unsigned char *data = wacom->data;
int x, y, rw;
+ static int penData = 0;
if (data[0] != WACOM_REPORT_PENABLED) {
dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
@@ -162,6 +163,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
if (data[1] & 0x80) {
/* in prox and not a pad data */
+ penData = 1;
switch ((data[1] >> 5) & 3) {
@@ -231,7 +233,11 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
switch (wacom->features->type) {
case WACOM_G4:
if (data[7] & 0xf8) {
- wacom_input_sync(wcombo); /* sync last event */
+ if (penData) {
+ wacom_input_sync(wcombo); /* sync last event */
+ if (!wacom->id[0])
+ penData = 0;
+ }
wacom->id[1] = PAD_DEVICE_ID;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
@@ -241,10 +247,15 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
} else if (wacom->id[1]) {
- wacom_input_sync(wcombo); /* sync last event */
+ if (penData) {
+ wacom_input_sync(wcombo); /* sync last event */
+ if (!wacom->id[0])
+ penData = 0;
+ }
wacom->id[1] = 0;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
+ wacom_report_rel(wcombo, REL_WHEEL, 0);
wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
wacom_report_abs(wcombo, ABS_MISC, 0);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
@@ -252,7 +263,11 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
break;
case WACOM_MO:
if ((data[7] & 0xf8) || (data[8] & 0xff)) {
- wacom_input_sync(wcombo); /* sync last event */
+ if (penData) {
+ wacom_input_sync(wcombo); /* sync last event */
+ if (!wacom->id[0])
+ penData = 0;
+ }
wacom->id[1] = PAD_DEVICE_ID;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
@@ -263,7 +278,11 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
} else if (wacom->id[1]) {
- wacom_input_sync(wcombo); /* sync last event */
+ if (penData) {
+ wacom_input_sync(wcombo); /* sync last event */
+ if (!wacom->id[0])
+ penData = 0;
+ }
wacom->id[1] = 0;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));