If there is no pressure, the x/y fields seem to be invalid. Check them only if there is pressure.
If there is no pressure, the x/y fields seem to be invalid.
Check them only if there is pressure.

kevleyski/DirectFB-1,lancebaiyouview/DirectFB,kevleyski/directfb,lancebaiyouview/DirectFB,deniskropp/DirectFB,dfbdok/DirectFB1,djbclark/directfb-core-DirectFB,dfbdok/DirectFB1,djbclark/directfb-core-DirectFB,kevleyski/directfb,dfbdok/DirectFB1,DirectFB/directfb,kevleyski/DirectFB-1,sklnet/DirectFB,kaostao/directfb,mtsekm/test,djbclark/directfb-core-DirectFB,sklnet/DirectFB,kevleyski/directfb,jcdubois/DirectFB,Distrotech/DirectFB,djbclark/directfb-core-DirectFB,Distrotech/DirectFB,DirectFB/directfb,DirectFB/directfb,deniskropp/DirectFB,jcdubois/DirectFB,lancebaiyouview/DirectFB,deniskropp/DirectFB,jcdubois/DirectFB,mtsekm/test,mtsekm/test,sklnet/DirectFB,kaostao/directfb,lancebaiyouview/DirectFB,kaostao/directfb,kevleyski/DirectFB-1,kevleyski/DirectFB-1,kevleyski/directfb,Distrotech/DirectFB,deniskropp/DirectFB,sklnet/DirectFB