QUADRATURE_MODE
u8_encode_bits(NON_QUADRATURE, QUADRATURE_MODE);
switch (u8_get_bits(priv->cmr[id], QUADRATURE_MODE)) {
ret = quad8_control_register_update(priv->map, priv->cmr, id, mode_cfg, QUADRATURE_MODE);
quadrature_mode = u8_get_bits(priv->idr[channel_id], QUADRATURE_MODE);