IW_DMA_PLAYBACK
IW_WRITE_CODEC_1(CSR3I, reg & ~(io == IW_DMA_PLAYBACK ? 0x10 : 0x20));
if (io == IW_DMA_PLAYBACK) {
iw_dma_count(sc, (u_short) cc, IW_DMA_PLAYBACK);
iw_trigger_dma(sc, IW_DMA_PLAYBACK);
iw_stop_dma(sc, IW_DMA_PLAYBACK, 0);