ASoC: OMAP: Enable DMA burst mode

Improve DMA transfers by enabling Burst transaction. Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
git-mirror · Aug 20, 2009 · 9599d48 · 9599d48
1 parent 72cc6d7
commit 9599d48
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
@@ -195,6 +195,9 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
 	else
 		omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ);
 
+	omap_set_dma_src_burst_mode(prtd->dma_ch, OMAP_DMA_DATA_BURST_16);
+	omap_set_dma_dest_burst_mode(prtd->dma_ch, OMAP_DMA_DATA_BURST_16);
+
 	return 0;
 }