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authorÉric Piel <E.A.B.Piel@tudelft.nl>2010-08-05 23:51:49 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-08-05 23:53:22 -0700
commit22462d9fcf5b29184716aca486058943b2d6995f (patch)
tree3ecb9d165826eef15fa200dea4397eac46a97204 /drivers/input
parent7f29f17b57255b6395046805a98bc663ded63fb8 (diff)
downloadop-kernel-dev-22462d9fcf5b29184716aca486058943b2d6995f.zip
op-kernel-dev-22462d9fcf5b29184716aca486058943b2d6995f.tar.gz
Input: elantech - report position also with 3 fingers
The 6-byte protocol supports reporting the position when three fingers are pressed, exactly like when one finger is pressed. Report this. In addition, it is also distinguishes between 3 and 4 fingers pressed. Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/mouse/elantech.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index bd5b91d..4831120 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -257,6 +257,14 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
input_report_key(dev, BTN_TOUCH, fingers != 0);
switch (fingers) {
+ case 3:
+ /*
+ * Same as one finger, except report of more than 3 fingers:
+ * byte 3: n4 . w1 w0 . . . .
+ */
+ if (packet[3] & 0x80)
+ fingers = 4;
+ /* pass through... */
case 1:
/*
* byte 1: . . . . . x10 x9 x8
@@ -309,6 +317,7 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
+ input_report_key(dev, BTN_TOOL_QUADTAP, fingers == 4);
input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
@@ -466,6 +475,7 @@ static void elantech_set_input_params(struct psmouse *psmouse)
break;
case 2:
+ __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
input_set_abs_params(dev, ABS_X, ETP_XMIN_V2, ETP_XMAX_V2, 0, 0);
input_set_abs_params(dev, ABS_Y, ETP_YMIN_V2, ETP_YMAX_V2, 0, 0);
input_set_abs_params(dev, ABS_HAT0X, ETP_2FT_XMIN, ETP_2FT_XMAX, 0, 0);
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