diff mbox

ASoC: OMAP: Enable DMA burst mode

Message ID 1250519389-14521-1-git-send-email-eduardo.valentin@nokia.com (mailing list archive)
State Awaiting Upstream, archived
Headers show

Commit Message

Eduardo Valentin Aug. 17, 2009, 2:29 p.m. UTC 
From: Eduardo Valentin <eduardo.valentin@nokia.com>

Improve DMA transfers by enabling Burst transaction.

Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
---
 sound/soc/omap/omap-pcm.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index eab4533..b9633d5 100644
--- 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;
 }