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authorPing Cheng <pinglinux@gmail.com>2015-03-20 14:58:01 -0700
committerJiri Kosina <jkosina@suse.cz>2015-04-02 14:15:05 +0200
commit0149931e6d2fa995fbcee590bb6cf9007a8839fc (patch)
tree60c0d5783f3ff85958edf3f3394209d55a8ed61f /drivers
parent7d059ed01ca18d20e0a94ef785ee81a45c19d78c (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hid/wacom_wac.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 59b8e27909d4..4d559c1e7779 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -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 */