FIFO_PAUSE
snd_als300_gcr_write(chip->port, reg, tmp | FIFO_PAUSE);
snd_als300_gcr_write(chip->port, reg, tmp & ~FIFO_PAUSE);
case FIFO_PAUSE:
case FIFO_PAUSE:
dma->fifo_status = FIFO_PAUSE;
case FIFO_PAUSE:
case FIFO_PAUSE:
dma->fifo_status = FIFO_PAUSE;