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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>
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1 changed files with 10 additions and 0 deletions
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@ -257,6 +257,14 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
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input_report_key(dev, BTN_TOUCH, fingers != 0);
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switch (fingers) {
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case 3:
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/*
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* Same as one finger, except report of more than 3 fingers:
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* byte 3: n4 . w1 w0 . . . .
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*/
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if (packet[3] & 0x80)
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fingers = 4;
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/* pass through... */
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case 1:
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/*
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* byte 1: . . . . . x10 x9 x8
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@ -309,6 +317,7 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
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input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
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input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
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input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
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input_report_key(dev, BTN_TOOL_QUADTAP, fingers == 4);
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input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
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input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
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@ -466,6 +475,7 @@ static void elantech_set_input_params(struct psmouse *psmouse)
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break;
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case 2:
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__set_bit(BTN_TOOL_QUADTAP, dev->keybit);
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input_set_abs_params(dev, ABS_X, ETP_XMIN_V2, ETP_XMAX_V2, 0, 0);
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input_set_abs_params(dev, ABS_Y, ETP_YMIN_V2, ETP_YMAX_V2, 0, 0);
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input_set_abs_params(dev, ABS_HAT0X, ETP_2FT_XMIN, ETP_2FT_XMAX, 0, 0);
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