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| author |   Eduardo Valentin <eduardo.valentin@nokia.com> | 2009-08-20 16:18:21 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-08-20 20:10:28 +0100 |
| commit | 9599d485cb0b5ea093414654d723f3ab03c95038 (patch) | |
| tree | f954cf6291decf1af5334e8cec67be2ec2ca1cc3 /sound/soc | |
| parent | OMAP: McBSP: Let element DMA mode hit retention also (diff) | |
| download | linux-dev-9599d485cb0b5ea093414654d723f3ab03c95038.tar.xz linux-dev-9599d485cb0b5ea093414654d723f3ab03c95038.zip | |
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>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | 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 12e14c01068e..7cae7c418083 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; } |