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| author | Qiao Zhou <zhouqiao@marvell.com> | 2013-12-17 16:22:24 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-17 12:48:45 +0000 |
| commit | 48b752ac2f80f483a3059ae109f9de02dcc054dd (patch) | |
| tree | 9edf8624a2ee1853e4a8aa9758cd1d4739686d70 | |
| parent | 6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff) | |
| download | blackbird-obmc-linux-48b752ac2f80f483a3059ae109f9de02dcc054dd.tar.gz blackbird-obmc-linux-48b752ac2f80f483a3059ae109f9de02dcc054dd.zip | |
ASoC: mmp-pcm: config pcm slave via generic dmaengine
use snd_dmaengine_pcm_prepare_slave_config to set slave config,
and remove the max_burst_size = 4 hard code.
select SND_SOC_GENERIC_DMAENGINE_PCM for mmp-pcm.
Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | sound/soc/pxa/Kconfig | 2 | ||||
| -rw-r--r-- | sound/soc/pxa/mmp-pcm.c | 18 |
2 files changed, 4 insertions, 16 deletions
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig index 4db74a083db1..6473052b6899 100644 --- a/sound/soc/pxa/Kconfig +++ b/sound/soc/pxa/Kconfig @@ -11,7 +11,7 @@ config SND_PXA2XX_SOC config SND_MMP_SOC bool "Soc Audio for Marvell MMP chips" depends on ARCH_MMP - select SND_DMAENGINE_PCM + select SND_SOC_GENERIC_DMAENGINE_PCM select SND_ARM help Say Y if you want to add support for codecs attached to diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c index 7929e19b0ef5..682ee52942bf 100644 --- a/sound/soc/pxa/mmp-pcm.c +++ b/sound/soc/pxa/mmp-pcm.c @@ -67,27 +67,15 @@ static int mmp_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_dmaengine_dai_dma_data *dma_params; struct dma_slave_config slave_config; int ret; - dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - if (!dma_params) - return 0; - - ret = snd_hwparams_to_dma_slave_config(substream, params, &slave_config); + ret = + snd_dmaengine_pcm_prepare_slave_config(substream, params, + &slave_config); if (ret) return ret; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - slave_config.dst_addr = dma_params->addr; - slave_config.dst_maxburst = 4; - } else { - slave_config.src_addr = dma_params->addr; - slave_config.src_maxburst = 4; - } - ret = dmaengine_slave_config(chan, &slave_config); if (ret) return ret; |
