ABS_Z
uwacom_event(usbwcmp, EVT_ABS, ABS_Z, angle);
BM_SET_BIT(sc->sc_bm[3], ABS_Z);
uwacom_init_abs(usbwcmp, ABS_Z, -900, 899, 0, 0);
BM_SET_BIT(sc->sc_bm[3], ABS_Z);
uwacom_init_abs(usbwcmp, ABS_Z, -900, 899, 0, 0);