[alsa-devel] [PATCHv4 16/20] ASoC: OMAP: Enable DMA burst mode

Eduardo Valentin eduardo.valentin at nokia.com
Mon Aug 17 13:51:15 CEST 2009


From: Eduardo Valentin <eduardo.valentin at nokia.com>

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

diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index f769a52..f037db0 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -193,6 +193,9 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
 	omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ |
 				(cpu_is_omap1510() ? OMAP_DMA_LAST_IRQ : 0));
 
+	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;
 }
 
-- 
1.6.2.GIT

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