848 	int dx = 0;  in wsp_intr_callback()  local
1042 				dx = sc->pos_x[0] - sc->pre_pos_x;  in wsp_intr_callback()
1047 					dx = dy = 0;  in wsp_intr_callback()
1051 					dx = dy = 0;  in wsp_intr_callback()
1055 					dx = dy = 0;  in wsp_intr_callback()
1060 					dx = dy = 0;  in wsp_intr_callback()
1063 					dx = sc->pos_x[sc->finger] - sc->pre_pos_x;  in wsp_intr_callback()
1072 						dx = dy = 0;  in wsp_intr_callback()
1079 						dx = dy = 0;  in wsp_intr_callback()
1086 						dx = dy = 0;  in wsp_intr_callback()
1090 					    dx, dy, sc->finger);  in wsp_intr_callback()
1100 			rdx = (dx + sc->rdx) % tun.scale_factor;  in wsp_intr_callback()
1101 			dx = (dx + sc->rdx) / tun.scale_factor;  in wsp_intr_callback()
1108 			sc->dx_sum += dx;  in wsp_intr_callback()
1119 					sc->dt_sum += dx;  in wsp_intr_callback()
1123 				dx = dy = 0;  in wsp_intr_callback()
1132 				dx = dy = dz = 0;  in wsp_intr_callback()
1134 			    abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3)  in wsp_intr_callback()
1135 				dx = dy = dz = 0;  in wsp_intr_callback()
1138 			if (dx || dy || dz)  in wsp_intr_callback()
1141 			    dx, dy, dz, sc->sc_touch, sc->sc_status.button);  in wsp_intr_callback()
1142 			sc->sc_status.dx += dx;  in wsp_intr_callback()
1146 			wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button);  in wsp_intr_callback()
1184 wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz,  in wsp_add_to_queue()  argument
1190 	dx = imin(dx, 254);  in wsp_add_to_queue()
1191 	dx = imax(dx, -256);  in wsp_add_to_queue()
1208 	buf[1] = dx >> 1;  in wsp_add_to_queue()
1210 	buf[3] = dx - (dx >> 1);  in wsp_add_to_queue()
1370 			sc->sc_status.dx = 0;  in wsp_ioctl()
1374 			if (status->dx || status->dy || status->dz)  in wsp_ioctl()