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-rw-r--r--src/udev/udev-builtin-input_id.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/udev/udev-builtin-input_id.c b/src/udev/udev-builtin-input_id.c
index ab90787f6b..e3fa4bc162 100644
--- a/src/udev/udev-builtin-input_id.c
+++ b/src/udev/udev-builtin-input_id.c
@@ -171,6 +171,10 @@ static bool test_pointers(struct udev_device *dev,
has_mouse_button = test_bit(BTN_LEFT, 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);
+
+ /* unset has_mt_coordinates if devices claims to have all abs axis */
+ if(has_mt_coordinates && test_bit(ABS_MT_SLOT, bitmask_abs) && test_bit(ABS_MT_SLOT - 1, bitmask_abs))
+ has_mt_coordinates = false;
is_direct = test_bit(INPUT_PROP_DIRECT, bitmask_props);
has_touch = test_bit(BTN_TOUCH, bitmask_key);
/* joysticks don't necessarily have buttons; e. g.