input_id: fix button detection

Due to remapping some devices might not have the first button.

Check whole button range.
This commit is contained in:
Michal Suchanek 2017-06-14 17:15:36 +02:00
parent 0c21944e24
commit 22811ad065

View file

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