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-rw-r--r--src/udev-seat.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/udev-seat.c b/src/udev-seat.c
index f7a3df34..3d057336 100644
--- a/src/udev-seat.c
+++ b/src/udev-seat.c
@@ -93,7 +93,8 @@ device_added(struct udev_device *udev_device,
udev_device_get_property_value(udev_device,
"LIBINPUT_CALIBRATION_MATRIX");
- if (calibration_values && sscanf(calibration_values,
+ if (device->abs.absinfo_x && device->abs.absinfo_y &&
+ calibration_values && sscanf(calibration_values,
"%f %f %f %f %f %f",
&calibration[0],
&calibration[1],