input_id: fix button detection
Due to remapping some devices might not have the first button. Check whole button range.
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0c21944e24
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22811ad065
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@ -158,6 +158,7 @@ static bool test_pointers(struct udev_device *dev,
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const unsigned long* bitmask_rel,
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const unsigned long* bitmask_props,
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bool test) {
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int button, axis;
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bool has_abs_coordinates = false;
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bool has_rel_coordinates = false;
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bool has_mt_coordinates = false;
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@ -193,7 +194,8 @@ static bool test_pointers(struct udev_device *dev,
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is_pointing_stick = test_bit(INPUT_PROP_POINTING_STICK, bitmask_props);
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stylus_or_pen = test_bit(BTN_STYLUS, bitmask_key) || test_bit(BTN_TOOL_PEN, bitmask_key);
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finger_but_no_pen = test_bit(BTN_TOOL_FINGER, bitmask_key) && !test_bit(BTN_TOOL_PEN, bitmask_key);
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has_mouse_button = test_bit(BTN_LEFT, bitmask_key);
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for (button = BTN_MOUSE; button < BTN_JOYSTICK && !has_mouse_button; button++)
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has_mouse_button = test_bit(button, bitmask_key);
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has_rel_coordinates = test_bit(EV_REL, bitmask_ev) && test_bit(REL_X, bitmask_rel) && test_bit(REL_Y, bitmask_rel);
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has_mt_coordinates = test_bit(ABS_MT_POSITION_X, bitmask_abs) && test_bit(ABS_MT_POSITION_Y, bitmask_abs);
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@ -205,18 +207,12 @@ static bool test_pointers(struct udev_device *dev,
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/* joysticks don't necessarily have buttons; e. g.
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* rudders/pedals are joystick-like, but buttonless; they have
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* other fancy axes. Others have buttons only but no axes. */
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has_joystick_axes_or_buttons = test_bit(BTN_TRIGGER, bitmask_key) ||
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test_bit(BTN_TRIGGER_HAPPY, bitmask_key) ||
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test_bit(BTN_A, bitmask_key) ||
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test_bit(BTN_1, bitmask_key) ||
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test_bit(ABS_RX, bitmask_abs) ||
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test_bit(ABS_RY, bitmask_abs) ||
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test_bit(ABS_RZ, bitmask_abs) ||
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test_bit(ABS_THROTTLE, bitmask_abs) ||
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test_bit(ABS_RUDDER, bitmask_abs) ||
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test_bit(ABS_WHEEL, bitmask_abs) ||
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test_bit(ABS_GAS, bitmask_abs) ||
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test_bit(ABS_BRAKE, bitmask_abs);
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for (button = BTN_JOYSTICK; button < BTN_DIGI && !has_joystick_axes_or_buttons; button++)
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has_joystick_axes_or_buttons = test_bit(button, bitmask_key);
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for (button = BTN_TRIGGER_HAPPY1; button <= BTN_TRIGGER_HAPPY40 && !has_joystick_axes_or_buttons; button++)
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has_joystick_axes_or_buttons = test_bit(button, bitmask_key);
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for (axis = ABS_RX; axis < ABS_PRESSURE && !has_joystick_axes_or_buttons; axis++)
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has_joystick_axes_or_buttons = test_bit(axis, bitmask_abs);
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if (has_abs_coordinates) {
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if (stylus_or_pen)
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