reg_write16
reg_write16(priv, REG_REFPIX_MSB, ref_pix);
reg_write16(priv, REG_REFLINE_MSB, ref_line);
reg_write16(priv, REG_NPIX_MSB, n_pix);
reg_write16(priv, REG_NLINE_MSB, n_line);
reg_write16(priv, REG_VS_LINE_STRT_1_MSB, vs1_line_s);
reg_write16(priv, REG_VS_PIX_STRT_1_MSB, vs1_pix_s);
reg_write16(priv, REG_VS_LINE_END_1_MSB, vs1_line_e);
reg_write16(priv, REG_VS_PIX_END_1_MSB, vs1_pix_e);
reg_write16(priv, REG_VS_LINE_STRT_2_MSB, vs2_line_s);
reg_write16(priv, REG_VS_PIX_STRT_2_MSB, vs2_pix_s);
reg_write16(priv, REG_VS_LINE_END_2_MSB, vs2_line_e);
reg_write16(priv, REG_VS_PIX_END_2_MSB, vs2_pix_e);
reg_write16(priv, REG_HS_PIX_START_MSB, hs_pix_s);
reg_write16(priv, REG_HS_PIX_STOP_MSB, hs_pix_e);
reg_write16(priv, REG_VWIN_START_1_MSB, vwin1_line_s);
reg_write16(priv, REG_VWIN_END_1_MSB, vwin1_line_e);
reg_write16(priv, REG_VWIN_START_2_MSB, vwin2_line_s);
reg_write16(priv, REG_VWIN_END_2_MSB, vwin2_line_e);
reg_write16(priv, REG_DE_START_MSB, de_pix_s);
reg_write16(priv, REG_DE_STOP_MSB, de_pix_e);