diff options
| author | Éric Piel <E.A.B.Piel@tudelft.nl> | 2010-08-06 08:51:49 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-08-06 08:53:22 +0200 |
| commit | 22462d9fcf5b29184716aca486058943b2d6995f (patch) | |
| tree | 3ecb9d165826eef15fa200dea4397eac46a97204 /drivers/input | |
| parent | Input: elantech - discard the first 2 positions on some firmwares (diff) | |
| download | linux-22462d9fcf5b29184716aca486058943b2d6995f.tar.xz linux-22462d9fcf5b29184716aca486058943b2d6995f.zip | |
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.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index bd5b91da169e..48311204ba51 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); |