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Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
-rw-r--r--sound/soc/omap/omap-pcm.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index c28e042..a11405d 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -113,14 +113,25 @@ static int omap_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_dmaengine_dai_dma_data *dma_data;
+ int ret;
snd_soc_set_runtime_hwparams(substream, &omap_pcm_hardware);
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
- return snd_dmaengine_pcm_open_request_chan(substream,
- omap_dma_filter_fn,
- dma_data->filter_data);
+ /* DT boot: filter_data is the DMA name */
+ if (rtd->cpu_dai->dev->of_node) {
+ struct dma_chan *chan;
+
+ chan = dma_request_slave_channel(rtd->cpu_dai->dev,
+ dma_data->filter_data);
+ ret = snd_dmaengine_pcm_open(substream, chan);
+ } else {
+ ret = snd_dmaengine_pcm_open_request_chan(substream,
+ omap_dma_filter_fn,
+ dma_data->filter_data);
+ }
+ return ret;
}
static int omap_pcm_mmap(struct snd_pcm_substream *substream,