1 files changed, 40 insertions, 2 deletions

diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c
index bc042cce115f..f4d607a72668 100644
--- a/sound/soc/ux500/ux500_msp_dai.c
+++ b/sound/soc/ux500/ux500_msp_dai.c
@@ -17,12 +17,14 @@
 #include <linux/bitops.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/of.h>
 #include <linux/regulator/consumer.h>
 #include <linux/mfd/dbx500-prcmu.h>
 #include <linux/platform_data/asoc-ux500-msp.h>
 
 #include <sound/soc.h>
 #include <sound/soc-dai.h>
+#include <sound/dmaengine_pcm.h>
 
 #include "ux500_msp_i2s.h"
 #include "ux500_msp_dai.h"
@@ -654,16 +656,52 @@ static int ux500_msp_dai_trigger(struct snd_pcm_substream *substream,
         return ret;
 }
 
+static int ux500_msp_dai_of_probe(struct snd_soc_dai *dai)
+{
+        struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
+        struct snd_dmaengine_dai_dma_data *playback_dma_data;
+        struct snd_dmaengine_dai_dma_data *capture_dma_data;
+
+        playback_dma_data = devm_kzalloc(dai->dev,
+                                         sizeof(*playback_dma_data),
+                                         GFP_KERNEL);
+        if (!playback_dma_data)
+                return -ENOMEM;
+
+        capture_dma_data = devm_kzalloc(dai->dev,
+                                        sizeof(*capture_dma_data),
+                                        GFP_KERNEL);
+        if (!capture_dma_data)
+                return -ENOMEM;
+
+        playback_dma_data->addr = drvdata->msp->playback_dma_data.tx_rx_addr;
+        capture_dma_data->addr = drvdata->msp->capture_dma_data.tx_rx_addr;
+
+        playback_dma_data->maxburst = 4;
+        capture_dma_data->maxburst = 4;
+
+        snd_soc_dai_init_dma_data(dai, playback_dma_data, capture_dma_data);
+
+        return 0;
+}
+
 static int ux500_msp_dai_probe(struct snd_soc_dai *dai)
 {
         struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
+        struct msp_i2s_platform_data *pdata = dai->dev->platform_data;
+        int ret;
 
-        dai->playback_dma_data = &drvdata->msp->playback_dma_data;
-        dai->capture_dma_data = &drvdata->msp->capture_dma_data;
+        if (!pdata) {
+                ret = ux500_msp_dai_of_probe(dai);
+                return ret;
+        }
 
         drvdata->msp->playback_dma_data.data_size = drvdata->slot_width;
         drvdata->msp->capture_dma_data.data_size = drvdata->slot_width;
 
+        snd_soc_dai_init_dma_data(dai,
+                                  &drvdata->msp->playback_dma_data,
+                                  &drvdata->msp->capture_dma_data);
         return 0;
 }