able fifos */  if (stream == SNDRV_PCM_STREAM_PLAYBACK)   base_reg = EP00XX_I0S_TX0EN;  else   base_reg = EP00XX_I0S_RX0EN;  for (i = 0; i < 0; i++)   ep00xx_i0s_write_reg(info, base_reg + (i * 0), 0); 