diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-12 13:57:04 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-12 13:57:04 +0100 |
| commit | 38e8c895d33b0642dc341f83cce0adde4cffbc82 (patch) | |
| tree | 3657c043986d5c944f971c9685ae4a68f5a5b035 /sound/soc/tegra/tegra_pcm.c | |
| parent | d66e065c5b8b64b03a9d9b8a7c5d674c7dfa2e3d (diff) | |
| parent | 69b6f19622ce0aef41df884b75e3f789c64b89c0 (diff) | |
Merge remote-tracking branch 'asoc/topic/dma' into asoc-next
Diffstat (limited to 'sound/soc/tegra/tegra_pcm.c')
| -rw-r--r-- | sound/soc/tegra/tegra_pcm.c | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c index 5e2c55c5b255..6d1c70c3d753 100644 --- a/sound/soc/tegra/tegra_pcm.c +++ b/sound/soc/tegra/tegra_pcm.c @@ -73,24 +73,15 @@ static int tegra_pcm_open(struct snd_pcm_substream *substream) return 0; } -static int tegra_pcm_close(struct snd_pcm_substream *substream) -{ - snd_dmaengine_pcm_close(substream); - return 0; -} - static int tegra_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct device *dev = rtd->platform->dev; struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); - struct tegra_pcm_dma_params *dmap; struct dma_slave_config slave_config; int ret; - dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - ret = snd_hwparams_to_dma_slave_config(substream, params, &slave_config); if (ret) { @@ -98,16 +89,9 @@ static int tegra_pcm_hw_params(struct snd_pcm_substream *substream, return ret; } - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - slave_config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - slave_config.dst_addr = dmap->addr; - slave_config.dst_maxburst = 4; - } else { - slave_config.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - slave_config.src_addr = dmap->addr; - slave_config.src_maxburst = 4; - } - slave_config.slave_id = dmap->req_sel; + snd_dmaengine_pcm_set_config_from_dai_data(substream, + snd_soc_dai_get_dma_data(rtd->cpu_dai, substream), + &slave_config); ret = dmaengine_slave_config(chan, &slave_config); if (ret < 0) { @@ -138,7 +122,7 @@ static int tegra_pcm_mmap(struct snd_pcm_substream *substream, static struct snd_pcm_ops tegra_pcm_ops = { .open = tegra_pcm_open, - .close = tegra_pcm_close, + .close = snd_dmaengine_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = tegra_pcm_hw_params, .hw_free = tegra_pcm_hw_free, |