930 	int dx = 0;  in wsp_intr_callback()  local
1149 				dx = sc->pos_x[0] - sc->pre_pos_x;  in wsp_intr_callback()
1154 					dx = dy = 0;  in wsp_intr_callback()
1158 					dx = dy = 0;  in wsp_intr_callback()
1162 					dx = dy = 0;  in wsp_intr_callback()
1167 					dx = dy = 0;  in wsp_intr_callback()
1170 					dx = sc->pos_x[sc->finger] - sc->pre_pos_x;  in wsp_intr_callback()
1179 						dx = dy = 0;  in wsp_intr_callback()
1186 						dx = dy = 0;  in wsp_intr_callback()
1193 						dx = dy = 0;  in wsp_intr_callback()
1197 					    dx, dy, sc->finger);  in wsp_intr_callback()
1207 			rdx = (dx + sc->rdx) % tun.scale_factor;  in wsp_intr_callback()
1208 			dx = (dx + sc->rdx) / tun.scale_factor;  in wsp_intr_callback()
1215 			sc->dx_sum += dx;  in wsp_intr_callback()
1226 					sc->dt_sum += dx;  in wsp_intr_callback()
1230 				dx = dy = 0;  in wsp_intr_callback()
1239 				dx = dy = dz = 0;  in wsp_intr_callback()
1241 			    abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3)  in wsp_intr_callback()
1242 				dx = dy = dz = 0;  in wsp_intr_callback()
1245 			if (dx || dy || dz)  in wsp_intr_callback()
1248 			    dx, dy, dz, sc->sc_touch, sc->sc_status.button);  in wsp_intr_callback()
1249 			sc->sc_status.dx += dx;  in wsp_intr_callback()
1253 			wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button);  in wsp_intr_callback()
1290 wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz,  in wsp_add_to_queue()  argument
1296 	dx = imin(dx, 254);  in wsp_add_to_queue()
1297 	dx = imax(dx, -256);  in wsp_add_to_queue()
1314 	buf[1] = dx >> 1;  in wsp_add_to_queue()
1316 	buf[3] = dx - (dx >> 1);  in wsp_add_to_queue()
1534 			sc->sc_status.dx = 0;  in wsp_ioctl()
1538 			if (status->dx || status->dy || status->dz)  in wsp_ioctl()