For a true multi-touch input device, the code ended up using uninitialised fields of evdev_input_device::abs.
Fix it by querying the corresponding MT ranges. Signed-off-by: Pekka Paalanen <ppaala...@gmail.com> --- src/evdev.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/src/evdev.c b/src/evdev.c index 62f1bc1..c294a3a 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -400,6 +400,14 @@ evdev_configure_device(struct evdev_input_device *device) device->caps |= EVDEV_MOTION_ABS; } if (TEST_BIT(abs_bits, ABS_MT_SLOT)) { + ioctl(device->fd, EVIOCGABS(ABS_MT_POSITION_X), + &absinfo); + device->abs.min_x = absinfo.minimum; + device->abs.max_x = absinfo.maximum; + ioctl(device->fd, EVIOCGABS(ABS_MT_POSITION_Y), + &absinfo); + device->abs.min_y = absinfo.minimum; + device->abs.max_y = absinfo.maximum; device->is_mt = 1; device->mt.slot = 0; device->caps |= EVDEV_TOUCH; -- 1.7.8.6 _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel