diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-04-20 19:29:04 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-05-13 18:20:55 +0400 |
| commit | 785d81e29bd237b4e76ca27c3ebcc3281e663596 (patch) | |
| tree | c4a3638d768d9aaf809d36af70a3d73f1d5dd451 /sound/soc/cirrus/ep93xx-i2s.c | |
| parent | 701c73aa89032f2551cdc73725cb881c0886d86f (diff) | |
| download | op-kernel-dev-785d81e29bd237b4e76ca27c3ebcc3281e663596.zip op-kernel-dev-785d81e29bd237b4e76ca27c3ebcc3281e663596.tar.gz | |
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>
Diffstat (limited to 'sound/soc/cirrus/ep93xx-i2s.c')
| -rw-r--r-- | sound/soc/cirrus/ep93xx-i2s.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/sound/soc/cirrus/ep93xx-i2s.c b/sound/soc/cirrus/ep93xx-i2s.c index 5c1102e..ef731e6 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); |
