ASoC: samsung: Provide helper for DMA init
In preparation for using the dmaengine helpers in ASoC rather than the
dmaengine wrappers for the Samsung API wrap the configuration of dma_data.
The dmaengine code expects different data to that used by the legacy API.
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c
index e54256f..6a5e4bf 100644
--- a/sound/soc/samsung/pcm.c
+++ b/sound/soc/samsung/pcm.c
@@ -275,7 +275,6 @@
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai);
- struct s3c_dma_params *dma_data;
void __iomem *regs = pcm->regs;
struct clk *clk;
int sclk_div, sync_div;
@@ -284,13 +283,6 @@
dev_dbg(pcm->dev, "Entered %s\n", __func__);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- dma_data = pcm->dma_playback;
- else
- dma_data = pcm->dma_capture;
-
- snd_soc_dai_set_dma_data(rtd->cpu_dai, substream, dma_data);
-
/* Strictly check for sample size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
@@ -461,10 +453,20 @@
.set_fmt = s3c_pcm_set_fmt,
};
+static int s3c_pcm_dai_probe(struct snd_soc_dai *dai)
+{
+ struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(dai);
+
+ snd_soc_dai_init_dma_data(dai, pcm->dma_playback, pcm->dma_capture);
+
+ return 0;
+}
+
#define S3C_PCM_RATES SNDRV_PCM_RATE_8000_96000
#define S3C_PCM_DAI_DECLARE \
.symmetric_rates = 1, \
+ .probe = s3c_pcm_dai_probe, \
.ops = &s3c_pcm_dai_ops, \
.playback = { \
.channels_min = 2, \