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HID: wacom: set stylus_in_proximity before checking touch_down 

In wacom_bpt_pen, we checked touch_down before assigning new
stylus_in_proximity value. This would cause stylus_in_proximity not updated
properly if touch is down before pen is in proximity.

[jkosina@suse.cz: fix if-else style]
Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Ping Cheng 2015-03-20 14:58:01 -07:00 committed by Jiri Kosina
parent 7d059ed01c
commit 0149931e6d
1 changed files with 16 additions and 18 deletions
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34
drivers/hid/wacom_wac.c
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@ -1768,9 +1768,6 @@ static int wacom_bpt_pen(struct wacom_wac *wacom)
if (data[0] != WACOM_REPORT_PENABLED)
return 0;
if (wacom->shared->touch_down)
return 0;
prox = (data[1] & 0x20) == 0x20;
/*
@ -1783,17 +1780,21 @@ static int wacom_bpt_pen(struct wacom_wac *wacom)
*
* Hardware does report zero in most out-of-prox cases but not all.
*/
if (prox) {
if (!wacom->shared->stylus_in_proximity) {
if (data[1] & 0x08) {
wacom->tool[0] = BTN_TOOL_RUBBER;
wacom->id[0] = ERASER_DEVICE_ID;
} else {
wacom->tool[0] = BTN_TOOL_PEN;
wacom->id[0] = STYLUS_DEVICE_ID;
}
wacom->shared->stylus_in_proximity = true;
if (!wacom->shared->stylus_in_proximity) {
if (data[1] & 0x08) {
wacom->tool[0] = BTN_TOOL_RUBBER;
wacom->id[0] = ERASER_DEVICE_ID;
} else {
wacom->tool[0] = BTN_TOOL_PEN;
wacom->id[0] = STYLUS_DEVICE_ID;
}
}
wacom->shared->stylus_in_proximity = prox;
if (wacom->shared->touch_down)
return 0;
if (prox) {
x = le16_to_cpup((__le16 *)&data[2]);
y = le16_to_cpup((__le16 *)&data[4]);
p = le16_to_cpup((__le16 *)&data[6]);
@ -1809,6 +1810,8 @@ static int wacom_bpt_pen(struct wacom_wac *wacom)
pen = data[1] & 0x01;
btn1 = data[1] & 0x02;
btn2 = data[1] & 0x04;
} else {
wacom->id[0] = 0;
}
input_report_key(input, BTN_TOUCH, pen);
@ -1820,11 +1823,6 @@ static int wacom_bpt_pen(struct wacom_wac *wacom)
input_report_abs(input, ABS_PRESSURE, p);
input_report_abs(input, ABS_DISTANCE, d);
if (!prox) {
wacom->id[0] = 0;
wacom->shared->stylus_in_proximity = false;
}
input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */
input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */