]> git.karo-electronics.de Git - linux-beck.git/commitdiff
ASoC: ep93xx: Setup dma data in DAI probe
authorLars-Peter Clausen <lars@metafoo.de>
Sat, 20 Apr 2013 17:29:04 +0000 (19:29 +0200)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 13 May 2013 14:20:55 +0000 (18:20 +0400)
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>
sound/soc/cirrus/ep93xx-ac97.c
sound/soc/cirrus/ep93xx-i2s.c

index 840c9b18201e4ea62d3aaa31079530ccf39e5224..3f4f88877c8424eb771a0d8d84aa459dabc87ae9 100644 (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,
index 5c1102e9e1598823b8eac35bfe72b3b203dcb5f7..ef731e687ebb95355a06bef1f5f126cc453c157d 100644 (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);