RG_CSIXA_BG_CORE_EN
mtk_phy_update_field(base + MIPI_RX_ANA00_CSIXA, RG_CSIXA_BG_CORE_EN, 1);
mtk_phy_update_field(base + CSIXB_OFFSET + MIPI_RX_ANA00_CSIXA, RG_CSIXA_BG_CORE_EN, 1);
mtk_phy_update_field(base + MIPI_RX_ANA00_CSIXA, RG_CSIXA_BG_CORE_EN, 0);
mtk_phy_update_field(base + CSIXB_OFFSET + MIPI_RX_ANA00_CSIXA, RG_CSIXA_BG_CORE_EN, 0);