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ASoC: ep93xx: Setup dma data in DAI probe

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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>
This commit is contained in:
Lars-Peter Clausen 2013-04-20 19:29:04 +02:00 committed by Mark Brown
parent 701c73aa89
commit 785d81e29b
2 changed files with 8 additions and 20 deletions
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14
sound/soc/cirrus/ep93xx-ac97.c
View File

@ -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,

14
sound/soc/cirrus/ep93xx-i2s.c
View File

@ -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);