REG_ESAI_TSMA
regmap_write(esai_priv->regmap, REG_ESAI_TSMA, 0);
{REG_ESAI_TSMA, 0x0000ffff},
case REG_ESAI_TSMA:
case REG_ESAI_TSMA:
#define REG_ESAI_xSMA(tx) (tx ? REG_ESAI_TSMA : REG_ESAI_RSMA)