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authorLars-Peter Clausen <lars@metafoo.de>2013-04-20 19:29:04 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-05-13 18:20:55 +0400
commit785d81e29bd237b4e76ca27c3ebcc3281e663596 (patch)
treec4a3638d768d9aaf809d36af70a3d73f1d5dd451
parent701c73aa89032f2551cdc73725cb881c0886d86f (diff)
ASoC: ep93xx: 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 ep39xx to generic DMA engine PCM driver. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--sound/soc/cirrus/ep93xx-ac97.c14
-rw-r--r--sound/soc/cirrus/ep93xx-i2s.c14
2 files changed, 8 insertions, 20 deletions
diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c
index 840c9b18201e..3f4f88877c84 100644
--- a/sound/soc/cirrus/ep93xx-ac97.c
+++ b/sound/soc/cirrus/ep93xx-ac97.c
@@ -314,22 +314,15 @@ static int ep93xx_ac97_trigger(struct snd_pcm_substream *substream,
return 0;
}
-static int ep93xx_ac97_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
+static int ep93xx_ac97_dai_probe(struct snd_soc_dai *dai)
{
- struct ep93xx_dma_data *dma_data;
+ dai->playback_dma_data = &ep93xx_ac97_pcm_out;
+ dai->capture_dma_data = &ep93xx_ac97_pcm_in;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- dma_data = &ep93xx_ac97_pcm_out;
- else
- dma_data = &ep93xx_ac97_pcm_in;
-
- snd_soc_dai_set_dma_data(dai, substream, dma_data);
return 0;
}
static const struct snd_soc_dai_ops ep93xx_ac97_dai_ops = {
- .startup = ep93xx_ac97_startup,
.trigger = ep93xx_ac97_trigger,
};
@@ -337,6 +330,7 @@ static struct snd_soc_dai_driver ep93xx_ac97_dai = {
.name = "ep93xx-ac97",
.id = 0,
.ac97_control = 1,
+ .probe = ep93xx_ac97_dai_probe,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,
diff --git a/sound/soc/cirrus/ep93xx-i2s.c b/sound/soc/cirrus/ep93xx-i2s.c
index 5c1102e9e159..ef731e687ebb 100644
--- a/sound/soc/cirrus/ep93xx-i2s.c
+++ b/sound/soc/cirrus/ep93xx-i2s.c
@@ -60,7 +60,6 @@ struct ep93xx_i2s_info {
struct clk *mclk;
struct clk *sclk;
struct clk *lrclk;
- struct ep93xx_dma_data *dma_data;
void __iomem *regs;
};
@@ -139,15 +138,11 @@ static void ep93xx_i2s_disable(struct ep93xx_i2s_info *info, int stream)
}
}
-static int ep93xx_i2s_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
+static int ep93xx_i2s_dai_probe(struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai);
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ dai->playback_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK];
+ dai->capture_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE];
- snd_soc_dai_set_dma_data(cpu_dai, substream,
- &info->dma_data[substream->stream]);
return 0;
}
@@ -338,7 +333,6 @@ static int ep93xx_i2s_resume(struct snd_soc_dai *dai)
#endif
static const struct snd_soc_dai_ops ep93xx_i2s_dai_ops = {
- .startup = ep93xx_i2s_startup,
.shutdown = ep93xx_i2s_shutdown,
.hw_params = ep93xx_i2s_hw_params,
.set_sysclk = ep93xx_i2s_set_sysclk,
@@ -349,6 +343,7 @@ static const struct snd_soc_dai_ops ep93xx_i2s_dai_ops = {
static struct snd_soc_dai_driver ep93xx_i2s_dai = {
.symmetric_rates= 1,
+ .probe = ep93xx_i2s_dai_probe,
.suspend = ep93xx_i2s_suspend,
.resume = ep93xx_i2s_resume,
.playback = {
@@ -407,7 +402,6 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
}
dev_set_drvdata(&pdev->dev, info);
- info->dma_data = ep93xx_i2s_dma_data;
err = snd_soc_register_component(&pdev->dev, &ep93xx_i2s_component,
&ep93xx_i2s_dai, 1);