SUN8I_SPDIF_TXFIFO 439 sound/soc/sunxi/sun4i-spdif.c .reg_dac_txdata = SUN8I_SPDIF_TXFIFO, SUN8I_SPDIF_TXFIFO 445 sound/soc/sunxi/sun4i-spdif.c .reg_dac_txdata = SUN8I_SPDIF_TXFIFO,