969 	int dx = 0;  in wsp_intr_callback()  local
1208 				dx = sc->pos_x[0] - sc->pre_pos_x[0];  in wsp_intr_callback()
1213 					dx = dy = 0;  in wsp_intr_callback()
1217 					dx = dy = 0;  in wsp_intr_callback()
1221 					dx = dy = 0;  in wsp_intr_callback()
1226 					dx = dy = 0;  in wsp_intr_callback()
1229 					dx = sc->pos_x[sc->finger] - sc->pre_pos_x[sc->finger];  in wsp_intr_callback()
1238 						dx = dy = 0;  in wsp_intr_callback()
1245 						dx = dy = 0;  in wsp_intr_callback()
1252 						dx = dy = 0;  in wsp_intr_callback()
1256 					    dx, dy, sc->finger);  in wsp_intr_callback()
1260 						rdz = (dx + sc->rdz) % tun.scale_factor;  in wsp_intr_callback()
1261 						sc->dz_sum -= (dx + sc->rdz) / tun.scale_factor;  in wsp_intr_callback()
1273 			rdx = (dx + sc->rdx) % tun.scale_factor;  in wsp_intr_callback()
1274 			dx = (dx + sc->rdx) / tun.scale_factor;  in wsp_intr_callback()
1281 			sc->dx_sum += dx;  in wsp_intr_callback()
1296 					dx = dy = dz = 0;  in wsp_intr_callback()
1310 						sc->dt_sum += dx * (tun.t_invert ? -1 : 1);  in wsp_intr_callback()
1314 					dx = dy = dz = 0;  in wsp_intr_callback()
1319 				dx = dy = dz = 0;  in wsp_intr_callback()
1328 			    abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3)  in wsp_intr_callback()
1329 				dx = dy = dz = 0;  in wsp_intr_callback()
1332 			if (dx || dy || dz)  in wsp_intr_callback()
1335 			    dx, dy, dz, sc->sc_touch, sc->sc_status.button);  in wsp_intr_callback()
1336 			sc->sc_status.dx += dx;  in wsp_intr_callback()
1340 			wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button);  in wsp_intr_callback()
1377 wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz,  in wsp_add_to_queue()  argument
1383 	dx = imin(dx, 254);  in wsp_add_to_queue()
1384 	dx = imax(dx, -256);  in wsp_add_to_queue()
1401 	buf[1] = dx >> 1;  in wsp_add_to_queue()
1403 	buf[3] = dx - (dx >> 1);  in wsp_add_to_queue()
1622 			sc->sc_status.dx = 0;  in wsp_ioctl()
1626 			if (status->dx || status->dy || status->dz)  in wsp_ioctl()