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 --- sound/soc/cirrus/ep93xx-ac97.c | 14 ++++---------- sound/soc/cirrus/ep93xx-i2s.c | 14 ++++---------- 2 files changed, 8 insertions(+), 20 deletions(-)
diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c index 7798fbd..ef65432 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 5c1102e..453a89c 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->capute_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);