On Mon, 17 Aug 2009 14:51:15 +0300 Eduardo Valentin <eduardo.valentin@xxxxxxxxx> wrote: > From: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> > > Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> > --- > 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; This seems to be based on first version of Janusz's "[RFC] [PATCH 3/3] ASoC: OMAP: Enhance OMAP1510 DMA progress software counter". I Attached a version which is based on "[PATCH 3/3 v3] ASoC: OMAP: Enhance OMAP1510 DMA progress software counter. -- Jarkko
>From a5eb199316c4731c11c7f5f8d02612ede4de7199 Mon Sep 17 00:00:00 2001 From: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> Date: Mon, 17 Aug 2009 14:51:15 +0300 Subject: [PATCH] ASoC: OMAP: Enable DMA burst mode Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> --- 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 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; } -- 1.6.3.3
