synaptics_scale
dx = synaptics_scale(dx, synaptics_scale_x,
dy = synaptics_scale(dy, synaptics_scale_y,
dz = synaptics_scale(dz, synaptics_scale_z,
sdx = synaptics_scale(sdx, synaptics_scale_x,
sdy = synaptics_scale(sdy, synaptics_scale_y,
sdz = synaptics_scale(sdz, synaptics_scale_z,