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

Eduardo Valentin eduardo.valentin at nokia.com
Mon Aug 17 16:39:56 CEST 2009


Hi Tony

On Mon, Aug 17, 2009 at 04:01:29PM +0200, ext Tony Lindgren wrote:
> * Jarkko Nikula <jhnikula at gmail.com> [090817 16:23]:
> > On Mon, 17 Aug 2009 14:51:15 +0300
> > Eduardo Valentin <eduardo.valentin at nokia.com> wrote:
> > 
> > > 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;
> > 
> > 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.
> 
> Needs also a patch description.

I've added patch description for those which were missing and sent them
in reply to your commented reply. If you prefer I can send version 5 of this series.

BR,

> 
> Tony
> 
> > 
> > 
> > -- 
> > Jarkko
> 
> > From a5eb199316c4731c11c7f5f8d02612ede4de7199 Mon Sep 17 00:00:00 2001
> > From: Eduardo Valentin <eduardo.valentin at nokia.com>
> > Date: Mon, 17 Aug 2009 14:51:15 +0300
> > Subject: [PATCH] ASoC: OMAP: Enable DMA burst mode
> > 
> > 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 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
> > 
> 
> --
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-- 
Eduardo Valentin
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