dw_csi2_host_write
dw_csi2_host_write(dphy, DPHY_PHY_RSTZ, 0);
dw_csi2_host_write(dphy, DPHY_PHY_SHUTDOWNZ, 0);
dw_csi2_host_write(dphy, DPHY_PHY_SHUTDOWNZ, 1);
dw_csi2_host_write(dphy, DPHY_PHY_RSTZ, 1);
dw_csi2_host_write(dphy, DPHY_N_LANES, (dphy->active_lanes - 1));
dw_csi2_host_write(dphy, DPHY_RESETN, 0xffffffff);
dw_csi2_host_write(dphy, DPHY_N_LANES, 0);
dw_csi2_host_write(dphy, DPHY_RESETN, 0);
dw_csi2_host_write(dphy, DPHY_PHY_TST_CTRL0, (ctrl0 & ~1) | val);
dw_csi2_host_write(dphy, DPHY_PHY_TST_CTRL0, (ctrl0 & ~2) | (val << 1));
dw_csi2_host_write(dphy, DPHY_PHY_TST_CTRL1,
dw_csi2_host_write(dphy, DPHY_PHY_TST_CTRL1, (ctrl1 & ~0xff) | val);