diff options
| author | Sumit Bhattacharya <sumitb@nvidia.com> | 2011-06-23 19:31:46 +0530 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-07-06 16:18:16 -0700 |
| commit | bc4ad6bac69e78bfa3c17d17928619e511e3c863 (patch) | |
| tree | 6aa3e3441a377aad07579fbeb4a2a68c50ff7711 /sound | |
| parent | 1a5b2d06e0d64d59932181dd6b4edf708a7ae8a8 (diff) | |
ASOC: tegra: use continuous single DMA mode
Use continuous single DMA mode instead of continuous double
to reduce the number of CPU interrupts during audio playback.
bug 840372
Change-Id: Id15dac5e2b29c612f4851b6b1d2e675b79ca047c
Reviewed-on: http://git-master/r/39855
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/tegra/tegra_pcm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c index b531841cbc7c..8ee01173d6c0 100644 --- a/sound/soc/tegra/tegra_pcm.c +++ b/sound/soc/tegra/tegra_pcm.c @@ -233,7 +233,7 @@ static int tegra_pcm_open(struct snd_pcm_substream *substream) } prtd->dma_chan = tegra_dma_allocate_channel( - TEGRA_DMA_MODE_CONTINUOUS_DOUBLE, "pcm"); + TEGRA_DMA_MODE_CONTINUOUS_SINGLE, "pcm"); if (prtd->dma_chan == NULL) { pr_err("%s: could not allocate DMA channel for PCM:\n", __func__); |