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-rw-r--r--sound/soc/cirrus/ep93xx-pcm.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/soc/cirrus/ep93xx-pcm.c b/sound/soc/cirrus/ep93xx-pcm.c
index 0e9f56e0d4b2..cfe517e68009 100644
--- a/sound/soc/cirrus/ep93xx-pcm.c
+++ b/sound/soc/cirrus/ep93xx-pcm.c
@@ -57,9 +57,22 @@ static bool ep93xx_pcm_dma_filter(struct dma_chan *chan, void *filter_param)
57 return false; 57 return false;
58} 58}
59 59
60static struct dma_chan *ep93xx_compat_request_channel(
61 struct snd_soc_pcm_runtime *rtd,
62 struct snd_pcm_substream *substream)
63{
64 struct snd_dmaengine_dai_dma_data *dma_data;
65
66 dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
67
68 return snd_dmaengine_pcm_request_channel(ep93xx_pcm_dma_filter,
69 dma_data);
70}
71
60static const struct snd_dmaengine_pcm_config ep93xx_dmaengine_pcm_config = { 72static const struct snd_dmaengine_pcm_config ep93xx_dmaengine_pcm_config = {
61 .pcm_hardware = &ep93xx_pcm_hardware, 73 .pcm_hardware = &ep93xx_pcm_hardware,
62 .compat_filter_fn = ep93xx_pcm_dma_filter, 74 .compat_filter_fn = ep93xx_pcm_dma_filter,
75 .compat_request_channel = ep93xx_compat_request_channel,
63 .prealloc_buffer_size = 131072, 76 .prealloc_buffer_size = 131072,
64}; 77};
65 78