ASoC: spear: Setup dma data in DAI probe

This allows us to access the DAI DMA data when we create the PCM. We'll use
this when converting spear to generic DMA engine PCM driver.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/spear/spdif_in.c

@@ -49,15 +49,12 @@ static void spdif_in_configure(struct spdif_in_dev *host)
 	writel(0xF, host->io_base + SPDIF_IN_IRQ_MASK);
 }
 
-static int spdif_in_startup(struct snd_pcm_substream *substream,
-		struct snd_soc_dai *cpu_dai)
+static int spdif_in_dai_probe(struct snd_soc_dai *dai)
 {
-	struct spdif_in_dev *host = snd_soc_dai_get_drvdata(cpu_dai);
+	struct spdif_in_dev *host = snd_soc_dai_get_drvdata(dai);
 
-	if (substream->stream != SNDRV_PCM_STREAM_CAPTURE)
-		return -EINVAL;
+	dai->capture_dma_data = &host->dma_params;
 
-	snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)&host->dma_params);
 	return 0;
 }
 
@@ -70,7 +67,6 @@ static void spdif_in_shutdown(struct snd_pcm_substream *substream,
 		return;
 
 	writel(0x0, host->io_base + SPDIF_IN_IRQ_MASK);
-	snd_soc_dai_set_dma_data(dai, substream, NULL);
 }
 
 static void spdif_in_format(struct spdif_in_dev *host, u32 format)
@@ -151,13 +147,13 @@ static int spdif_in_trigger(struct snd_pcm_substream *substream, int cmd,
 }
 
 static struct snd_soc_dai_ops spdif_in_dai_ops = {
-	.startup	= spdif_in_startup,
 	.shutdown	= spdif_in_shutdown,
 	.trigger	= spdif_in_trigger,
 	.hw_params	= spdif_in_hw_params,
 };
 
 struct snd_soc_dai_driver spdif_in_dai = {
+	.probe = spdif_in_dai_probe,
 	.capture = {
 		.channels_min = 2,
 		.channels_max = 2,

sound/soc/spear/spdif_out.c

@@ -62,8 +62,6 @@ static int spdif_out_startup(struct snd_pcm_substream *substream,
 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 		return -EINVAL;
 
-	snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)&host->dma_params);
-
 	ret = clk_enable(host->clk);
 	if (ret)
 		return ret;
@@ -84,7 +82,6 @@ static void spdif_out_shutdown(struct snd_pcm_substream *substream,
 
 	clk_disable(host->clk);
 	host->running = false;
-	snd_soc_dai_set_dma_data(dai, substream, NULL);
 }
 
 static void spdif_out_clock(struct spdif_out_dev *host, u32 core_freq,
@@ -245,6 +242,10 @@ static const struct snd_kcontrol_new spdif_out_controls[] = {
 
 int spdif_soc_dai_probe(struct snd_soc_dai *dai)
 {
+	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(dai);
+
+	dai->playback_dma_data = &host->dma_params;
+
 	return snd_soc_add_dai_controls(dai, spdif_out_controls,
 				ARRAY_SIZE(spdif_out_controls));
 }