dai_srt_set_et
dai->hw->dai_srt_set_et(dai->ctrl_blk, enb);
hw->dai_srt_set_et(dai->ctrl_blk, 0); /* default to disabling SRT */
int (*dai_srt_set_et)(void *blk, unsigned int et);
.dai_srt_set_et = dai_srt_set_et,
.dai_srt_set_et = dai_srt_set_et,