Merge branch 'topic/component-platform' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into HEAD

include/sound/dmaengine_pcm.h

@@ -161,4 +161,6 @@ int snd_dmaengine_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params,
 	struct dma_slave_config *slave_config);
 
+#define SND_DMAENGINE_PCM_DRV_NAME "snd_dmaengine_pcm"
+
 #endif

sound/soc/amd/acp-pcm-dma.c

@@ -23,6 +23,8 @@
 #include <drm/amd_asic_type.h>
 #include "acp.h"
 
+#define DRV_NAME "acp_audio_dma"
+
 #define PLAYBACK_MIN_NUM_PERIODS    2
 #define PLAYBACK_MAX_NUM_PERIODS    2
 #define PLAYBACK_MAX_PERIOD_SIZE    16384
@@ -702,8 +704,8 @@ static int acp_dma_open(struct snd_pcm_substream *substream)
 	int ret = 0;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
-	struct audio_drv_data *intr_data = dev_get_drvdata(prtd->platform->dev);
-
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+	struct audio_drv_data *intr_data = dev_get_drvdata(component->dev);
 	struct audio_substream_data *adata =
 		kzalloc(sizeof(struct audio_substream_data), GFP_KERNEL);
 	if (adata == NULL)
@@ -730,7 +732,7 @@ static int acp_dma_open(struct snd_pcm_substream *substream)
 	ret = snd_pcm_hw_constraint_integer(runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);
 	if (ret < 0) {
-		dev_err(prtd->platform->dev, "set integer constraint failed\n");
+		dev_err(component->dev, "set integer constraint failed\n");
 		kfree(adata);
 		return ret;
 	}
@@ -778,7 +780,8 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime;
 	struct audio_substream_data *rtd;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
-	struct audio_drv_data *adata = dev_get_drvdata(prtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+	struct audio_drv_data *adata = dev_get_drvdata(component->dev);
 
 	runtime = substream->runtime;
 	rtd = runtime->private_data;
@@ -907,6 +910,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
 	struct audio_substream_data *rtd = runtime->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
 
 	if (!rtd)
 		return -EINVAL;
@@ -924,7 +928,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
 			while (acp_reg_read(rtd->acp_mmio, mmACP_DMA_CH_STS) &
 						BIT(SYSRAM_TO_ACP_CH_NUM)) {
 				if (!loops--) {
-					dev_err(prtd->platform->dev,
+					dev_err(component->dev,
 						"acp dma start timeout\n");
 					return -ETIMEDOUT;
 				}
@@ -970,7 +974,8 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
 static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
 {
 	int ret;
-	struct audio_drv_data *adata = dev_get_drvdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct audio_drv_data *adata = dev_get_drvdata(component->dev);
 
 	switch (adata->asic_type) {
 	case CHIP_STONEY:
@@ -987,7 +992,7 @@ static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
 		break;
 	}
 	if (ret < 0)
-		dev_err(rtd->platform->dev,
+		dev_err(component->dev,
 				"buffer preallocation failer error:%d\n", ret);
 	return ret;
 }
@@ -998,7 +1003,8 @@ static int acp_dma_close(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct audio_substream_data *rtd = runtime->private_data;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
-	struct audio_drv_data *adata = dev_get_drvdata(prtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+	struct audio_drv_data *adata = dev_get_drvdata(component->dev);
 
 	kfree(rtd);
 
@@ -1044,7 +1050,8 @@ static const struct snd_pcm_ops acp_dma_ops = {
 	.prepare = acp_dma_prepare,
 };
 
-static struct snd_soc_platform_driver acp_asoc_platform = {
+static struct snd_soc_component_driver acp_asoc_platform = {
+	.name = DRV_NAME,
 	.ops = &acp_dma_ops,
 	.pcm_new = acp_dma_new,
 };
@@ -1102,7 +1109,8 @@ static int acp_audio_probe(struct platform_device *pdev)
 		return status;
 	}
 
-	status = snd_soc_register_platform(&pdev->dev, &acp_asoc_platform);
+	status = devm_snd_soc_register_component(&pdev->dev,
+						&acp_asoc_platform, NULL, 0);
 	if (status != 0) {
 		dev_err(&pdev->dev, "Fail to register ALSA platform device\n");
 		return status;
@@ -1123,7 +1131,6 @@ static int acp_audio_remove(struct platform_device *pdev)
 	status = acp_deinit(adata->acp_mmio);
 	if (status)
 		dev_err(&pdev->dev, "ACP Deinit failed status:%d\n", status);
-	snd_soc_unregister_platform(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
 	return 0;

sound/soc/atmel/atmel-classd.c

@@ -32,6 +32,7 @@ struct atmel_classd {
 	struct regmap *regmap;
 	struct clk *pclk;
 	struct clk *gclk;
+	struct device *dev;
 	int irq;
 	const struct atmel_classd_pdata *pdata;
 };
@@ -165,7 +166,7 @@ atmel_classd_platform_configure_dma(struct snd_pcm_substream *substream,
 	struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
 
 	if (params_physical_width(params) != 16) {
-		dev_err(rtd->platform->dev,
+		dev_err(dd->dev,
 			"only supports 16-bit audio data\n");
 		return -EINVAL;
 	}
@@ -587,6 +588,7 @@ static int atmel_classd_probe(struct platform_device *pdev)
 	}
 
 	dd->phy_base = res->start;
+	dd->dev = dev;
 
 	dd->regmap = devm_regmap_init_mmio(dev, io_base,
 					&atmel_classd_regmap_config);

sound/soc/atmel/atmel-pcm-pdc.c

@@ -393,7 +393,7 @@ static const struct snd_pcm_ops atmel_pcm_ops = {
 	.mmap		= atmel_pcm_mmap,
 };
 
-static struct snd_soc_platform_driver atmel_soc_platform = {
+static struct snd_soc_component_driver atmel_soc_platform = {
 	.ops		= &atmel_pcm_ops,
 	.pcm_new	= atmel_pcm_new,
 	.pcm_free	= atmel_pcm_free,
@@ -401,13 +401,13 @@ static struct snd_soc_platform_driver atmel_soc_platform = {
 
 int atmel_pcm_pdc_platform_register(struct device *dev)
 {
-	return snd_soc_register_platform(dev, &atmel_soc_platform);
+	return devm_snd_soc_register_component(dev, &atmel_soc_platform,
+					       NULL, 0);
 }
 EXPORT_SYMBOL(atmel_pcm_pdc_platform_register);
 
 void atmel_pcm_pdc_platform_unregister(struct device *dev)
 {
-	snd_soc_unregister_platform(dev);
 }
 EXPORT_SYMBOL(atmel_pcm_pdc_platform_unregister);
 

sound/soc/atmel/atmel-pdmic.c

@@ -32,6 +32,7 @@ struct atmel_pdmic {
 	struct regmap *regmap;
 	struct clk *pclk;
 	struct clk *gclk;
+	struct device *dev;
 	int irq;
 	struct snd_pcm_substream *substream;
 	const struct atmel_pdmic_pdata *pdata;
@@ -206,7 +207,7 @@ atmel_pdmic_platform_configure_dma(struct snd_pcm_substream *substream,
 	ret = snd_hwparams_to_dma_slave_config(substream, params,
 					       slave_config);
 	if (ret) {
-		dev_err(rtd->platform->dev,
+		dev_err(dd->dev,
 			"hw params to dma slave configure failed\n");
 		return ret;
 	}
@@ -596,6 +597,7 @@ static int atmel_pdmic_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	dd->pdata = pdata;
+	dd->dev = dev;
 
 	dd->irq = platform_get_irq(pdev, 0);
 	if (dd->irq < 0) {

sound/soc/au1x/dbdma2.c

@@ -32,6 +32,8 @@
 
 /*#define PCM_DEBUG*/
 
+#define DRV_NAME "dbdma2"
+
 #define MSG(x...)	printk(KERN_INFO "au1xpsc_pcm: " x)
 #ifdef PCM_DEBUG
 #define DBG		MSG
@@ -187,8 +189,8 @@ out:
 static inline struct au1xpsc_audio_dmadata *to_dmadata(struct snd_pcm_substream *ss)
 {
 	struct snd_soc_pcm_runtime *rtd = ss->private_data;
-	struct au1xpsc_audio_dmadata *pcd =
-				snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct au1xpsc_audio_dmadata *pcd = snd_soc_component_get_drvdata(component);
 	return &pcd[ss->stream];
 }
 
@@ -327,7 +329,8 @@ static int au1xpsc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 }
 
 /* au1xpsc audio platform */
-static struct snd_soc_platform_driver au1xpsc_soc_platform = {
+static struct snd_soc_component_driver au1xpsc_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &au1xpsc_pcm_ops,
 	.pcm_new	= au1xpsc_pcm_new,
 };
@@ -344,8 +347,8 @@ static int au1xpsc_pcm_drvprobe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, dmadata);
 
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &au1xpsc_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&au1xpsc_soc_component, NULL, 0);
 }
 
 static struct platform_driver au1xpsc_pcm_driver = {

sound/soc/au1x/dma.c

@@ -21,6 +21,8 @@
 
 #include "psc.h"
 
+#define DRV_NAME "au1x_dma"
+
 struct pcm_period {
 	u32 start;
 	u32 relative_end;	/* relative to start of buffer */
@@ -174,7 +176,8 @@ static const struct snd_pcm_hardware alchemy_pcm_hardware = {
 static inline struct alchemy_pcm_ctx *ss_to_ctx(struct snd_pcm_substream *ss)
 {
 	struct snd_soc_pcm_runtime *rtd = ss->private_data;
-	return snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	return snd_soc_component_get_drvdata(component);
 }
 
 static inline struct audio_stream *ss_to_as(struct snd_pcm_substream *ss)
@@ -297,7 +300,8 @@ static int alchemy_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static struct snd_soc_platform_driver alchemy_pcm_soc_platform = {
+static struct snd_soc_component_driver alchemy_pcm_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &alchemy_pcm_ops,
 	.pcm_new	= alchemy_pcm_new,
 };
@@ -312,8 +316,8 @@ static int alchemy_pcm_drvprobe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, ctx);
 
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &alchemy_pcm_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&alchemy_pcm_soc_component, NULL, 0);
 }
 
 static struct platform_driver alchemy_pcmdma_driver = {

sound/soc/bcm/cygnus-pcm.c

@@ -820,7 +820,7 @@ static int cygnus_dma_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static struct snd_soc_platform_driver cygnus_soc_platform = {
+static struct snd_soc_component_driver cygnus_soc_platform = {
 	.ops		= &cygnus_pcm_ops,
 	.pcm_new	= cygnus_dma_new,
 	.pcm_free	= cygnus_dma_free_dma_buffers,
@@ -840,7 +840,8 @@ int cygnus_soc_platform_register(struct device *dev,
 		return rc;
 	}
 
-	rc = snd_soc_register_platform(dev, &cygnus_soc_platform);
+	rc = devm_snd_soc_register_component(dev, &cygnus_soc_platform,
+					     NULL, 0);
 	if (rc) {
 		dev_err(dev, "%s failed\n", __func__);
 		return rc;
@@ -851,8 +852,6 @@ int cygnus_soc_platform_register(struct device *dev,
 
 int cygnus_soc_platform_unregister(struct device *dev)
 {
-	snd_soc_unregister_platform(dev);
-
 	return 0;
 }
 

sound/soc/blackfin/bf5xx-ac97-pcm.c

@@ -453,7 +453,7 @@ static int bf5xx_pcm_ac97_new(struct snd_soc_pcm_runtime *rtd)
 	return ret;
 }
 
-static struct snd_soc_platform_driver bf5xx_ac97_soc_platform = {
+static struct snd_soc_component_driver bf5xx_ac97_soc_component = {
 	.ops			= &bf5xx_pcm_ac97_ops,
 	.pcm_new	= bf5xx_pcm_ac97_new,
 	.pcm_free	= bf5xx_pcm_free_dma_buffers,
@@ -461,8 +461,8 @@ static struct snd_soc_platform_driver bf5xx_ac97_soc_platform = {
 
 static int bf5xx_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &bf5xx_ac97_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&bf5xx_ac97_soc_component, NULL, 0);
 }
 
 static struct platform_driver bf5xx_pcm_driver = {

sound/soc/blackfin/bf5xx-i2s-pcm.c

@@ -347,15 +347,15 @@ static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)
 				SNDRV_DMA_TYPE_DEV, card->dev, size, size);
 }
 
-static struct snd_soc_platform_driver bf5xx_i2s_soc_platform = {
+static struct snd_soc_component_driver bf5xx_i2s_soc_component = {
 	.ops		= &bf5xx_pcm_i2s_ops,
 	.pcm_new	= bf5xx_pcm_i2s_new,
 };
 
 static int bfin_i2s_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &bf5xx_i2s_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&bf5xx_i2s_soc_component, NULL, 0);
 }
 
 static struct platform_driver bfin_i2s_pcm_driver = {

sound/soc/codecs/cs47l24.c

@@ -33,6 +33,8 @@
 #include "wm_adsp.h"
 #include "cs47l24.h"
 
+#define DRV_NAME "cs47l24-codec"
+
 struct cs47l24_priv {
 	struct arizona_priv core;
 	struct arizona_fll fll[2];
@@ -1069,7 +1071,8 @@ static struct snd_soc_dai_driver cs47l24_dai[] = {
 static int cs47l24_open(struct snd_compr_stream *stream)
 {
 	struct snd_soc_pcm_runtime *rtd = stream->private_data;
-	struct cs47l24_priv *priv = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct cs47l24_priv *priv = snd_soc_component_get_drvdata(component);
 	struct arizona *arizona = priv->core.arizona;
 	int n_adsp;
 
@@ -1177,6 +1180,16 @@ static unsigned int cs47l24_digital_vu[] = {
 	ARIZONA_DAC_DIGITAL_VOLUME_4L,
 };
 
+static struct snd_compr_ops cs47l24_compr_ops = {
+	.open		= cs47l24_open,
+	.free		= wm_adsp_compr_free,
+	.set_params	= wm_adsp_compr_set_params,
+	.get_caps	= wm_adsp_compr_get_caps,
+	.trigger	= wm_adsp_compr_trigger,
+	.pointer	= wm_adsp_compr_pointer,
+	.copy		= wm_adsp_compr_copy,
+};
+
 static const struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
 	.probe = cs47l24_codec_probe,
 	.remove = cs47l24_codec_remove,
@@ -1187,6 +1200,8 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
 	.set_pll = cs47l24_set_fll,
 
 	.component_driver = {
+		.name			= DRV_NAME,
+		.compr_ops		= &cs47l24_compr_ops,
 		.controls		= cs47l24_snd_controls,
 		.num_controls		= ARRAY_SIZE(cs47l24_snd_controls),
 		.dapm_widgets		= cs47l24_dapm_widgets,
@@ -1196,20 +1211,6 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
 	},
 };
 
-static const struct snd_compr_ops cs47l24_compr_ops = {
-	.open = cs47l24_open,
-	.free = wm_adsp_compr_free,
-	.set_params = wm_adsp_compr_set_params,
-	.get_caps = wm_adsp_compr_get_caps,
-	.trigger = wm_adsp_compr_trigger,
-	.pointer = wm_adsp_compr_pointer,
-	.copy = wm_adsp_compr_copy,
-};
-
-static const struct snd_soc_platform_driver cs47l24_compr_platform = {
-	.compr_ops = &cs47l24_compr_ops,
-};
-
 static int cs47l24_probe(struct platform_device *pdev)
 {
 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -1298,23 +1299,15 @@ static int cs47l24_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_dsp_irq;
 
-	ret = snd_soc_register_platform(&pdev->dev, &cs47l24_compr_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to register platform: %d\n", ret);
-		goto err_spk_irqs;
-	}
-
 	ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_cs47l24,
 				      cs47l24_dai, ARRAY_SIZE(cs47l24_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register codec: %d\n", ret);
-		goto err_platform;
+		goto err_spk_irqs;
 	}
 
 	return ret;
 
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_spk_irqs:
 	arizona_free_spk_irqs(arizona);
 err_dsp_irq:
@@ -1328,7 +1321,6 @@ static int cs47l24_remove(struct platform_device *pdev)
 	struct cs47l24_priv *cs47l24 = platform_get_drvdata(pdev);
 	struct arizona *arizona = cs47l24->core.arizona;
 
-	snd_soc_unregister_platform(&pdev->dev);
 	snd_soc_unregister_codec(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 

sound/soc/codecs/rt5514-spi.c

@@ -35,6 +35,8 @@
 
 #include "rt5514-spi.h"
 
+#define DRV_NAME "rt5514-spi"
+
 static struct spi_device *rt5514_spi;
 
 struct rt5514_dsp {
@@ -211,8 +213,9 @@ static int rt5514_spi_hw_params(struct snd_pcm_substream *substream,
 			       struct snd_pcm_hw_params *hw_params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct rt5514_dsp *rt5514_dsp =
-			snd_soc_platform_get_drvdata(rtd->platform);
+		snd_soc_component_get_drvdata(component);
 	int ret;
 	u8 buf[8];
 
@@ -235,8 +238,9 @@ static int rt5514_spi_hw_params(struct snd_pcm_substream *substream,
 static int rt5514_spi_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct rt5514_dsp *rt5514_dsp =
-			snd_soc_platform_get_drvdata(rtd->platform);
+		snd_soc_component_get_drvdata(component);
 
 	mutex_lock(&rt5514_dsp->dma_lock);
 	rt5514_dsp->substream = NULL;
@@ -252,8 +256,9 @@ static snd_pcm_uframes_t rt5514_spi_pcm_pointer(
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct rt5514_dsp *rt5514_dsp =
-		snd_soc_platform_get_drvdata(rtd->platform);
+		snd_soc_component_get_drvdata(component);
 
 	return bytes_to_frames(runtime, rt5514_dsp->dma_offset);
 }
@@ -267,18 +272,18 @@ static const struct snd_pcm_ops rt5514_spi_pcm_ops = {
 	.page		= snd_pcm_lib_get_vmalloc_page,
 };
 
-static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform)
+static int rt5514_spi_pcm_probe(struct snd_soc_component *component)
 {
 	struct rt5514_dsp *rt5514_dsp;
 	int ret;
 
-	rt5514_dsp = devm_kzalloc(platform->dev, sizeof(*rt5514_dsp),
+	rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp),
 			GFP_KERNEL);
 
 	rt5514_dsp->dev = &rt5514_spi->dev;
 	mutex_init(&rt5514_dsp->dma_lock);
 	INIT_DELAYED_WORK(&rt5514_dsp->copy_work, rt5514_spi_copy_work);
-	snd_soc_platform_set_drvdata(platform, rt5514_dsp);
+	snd_soc_component_set_drvdata(component, rt5514_dsp);
 
 	if (rt5514_spi->irq) {
 		ret = devm_request_threaded_irq(&rt5514_spi->dev,
@@ -296,15 +301,12 @@ static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform)
 	return 0;
 }
 
-static const struct snd_soc_platform_driver rt5514_spi_platform = {
+static const struct snd_soc_component_driver rt5514_spi_component = {
+	.name  = DRV_NAME,
 	.probe = rt5514_spi_pcm_probe,
 	.ops = &rt5514_spi_pcm_ops,
 };
 
-static const struct snd_soc_component_driver rt5514_spi_dai_component = {
-	.name		= "rt5514-spi-dai",
-};
-
 /**
  * rt5514_spi_burst_read - Read data from SPI by rt5514 address.
  * @addr: Start address.
@@ -445,14 +447,8 @@ static int rt5514_spi_probe(struct spi_device *spi)
 
 	rt5514_spi = spi;
 
-	ret = devm_snd_soc_register_platform(&spi->dev, &rt5514_spi_platform);
-	if (ret < 0) {
-		dev_err(&spi->dev, "Failed to register platform.\n");
-		return ret;
-	}
-
 	ret = devm_snd_soc_register_component(&spi->dev,
-					      &rt5514_spi_dai_component,
+					      &rt5514_spi_component,
 					      &rt5514_spi_dai, 1);
 	if (ret < 0) {
 		dev_err(&spi->dev, "Failed to register component.\n");

sound/soc/codecs/wm5102.c

@@ -34,6 +34,8 @@
 #include "wm5102.h"
 #include "wm_adsp.h"
 
+#define DRV_NAME "wm5102-codec"
+
 struct wm5102_priv {
 	struct arizona_priv core;
 	struct arizona_fll fll[2];
@@ -1910,7 +1912,8 @@ static struct snd_soc_dai_driver wm5102_dai[] = {
 static int wm5102_open(struct snd_compr_stream *stream)
 {
 	struct snd_soc_pcm_runtime *rtd = stream->private_data;
-	struct wm5102_priv *priv = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct wm5102_priv *priv = snd_soc_component_get_drvdata(component);
 
 	return wm_adsp_compr_open(&priv->core.adsp[0], stream);
 }
@@ -1992,6 +1995,16 @@ static unsigned int wm5102_digital_vu[] = {
 	ARIZONA_DAC_DIGITAL_VOLUME_5R,
 };
 
+static struct snd_compr_ops wm5102_compr_ops = {
+	.open		= wm5102_open,
+	.free		= wm_adsp_compr_free,
+	.set_params	= wm_adsp_compr_set_params,
+	.get_caps	= wm_adsp_compr_get_caps,
+	.trigger	= wm_adsp_compr_trigger,
+	.pointer	= wm_adsp_compr_pointer,
+	.copy		= wm_adsp_compr_copy,
+};
+
 static const struct snd_soc_codec_driver soc_codec_dev_wm5102 = {
 	.probe = wm5102_codec_probe,
 	.remove = wm5102_codec_remove,
@@ -2002,6 +2015,8 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5102 = {
 	.set_pll = wm5102_set_fll,
 
 	.component_driver = {
+		.name			= DRV_NAME,
+		.compr_ops		= &wm5102_compr_ops,
 		.controls		= wm5102_snd_controls,
 		.num_controls		= ARRAY_SIZE(wm5102_snd_controls),
 		.dapm_widgets		= wm5102_dapm_widgets,
@@ -2011,20 +2026,6 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5102 = {
 	},
 };
 
-static const struct snd_compr_ops wm5102_compr_ops = {
-	.open = wm5102_open,
-	.free = wm_adsp_compr_free,
-	.set_params = wm_adsp_compr_set_params,
-	.get_caps = wm_adsp_compr_get_caps,
-	.trigger = wm_adsp_compr_trigger,
-	.pointer = wm_adsp_compr_pointer,
-	.copy = wm_adsp_compr_copy,
-};
-
-static const struct snd_soc_platform_driver wm5102_compr_platform = {
-	.compr_ops = &wm5102_compr_ops,
-};
-
 static int wm5102_probe(struct platform_device *pdev)
 {
 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -2109,23 +2110,15 @@ static int wm5102_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_dsp_irq;
 
-	ret = snd_soc_register_platform(&pdev->dev, &wm5102_compr_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to register platform: %d\n", ret);
-		goto err_spk_irqs;
-	}
-
 	ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm5102,
 				      wm5102_dai, ARRAY_SIZE(wm5102_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register codec: %d\n", ret);
-		goto err_platform;
+		goto err_spk_irqs;
 	}
 
 	return ret;
 
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_spk_irqs:
 	arizona_free_spk_irqs(arizona);
 err_dsp_irq:
@@ -2139,7 +2132,6 @@ static int wm5102_remove(struct platform_device *pdev)
 	struct wm5102_priv *wm5102 = platform_get_drvdata(pdev);
 	struct arizona *arizona = wm5102->core.arizona;
 
-	snd_soc_unregister_platform(&pdev->dev);
 	snd_soc_unregister_codec(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 

sound/soc/codecs/wm5110.c

@@ -35,6 +35,8 @@
 
 #define WM5110_NUM_ADSP 4
 
+#define DRV_NAME "wm5110-codec"
+
 struct wm5110_priv {
 	struct arizona_priv core;
 	struct arizona_fll fll[2];
@@ -2229,7 +2231,8 @@ static struct snd_soc_dai_driver wm5110_dai[] = {
 static int wm5110_open(struct snd_compr_stream *stream)
 {
 	struct snd_soc_pcm_runtime *rtd = stream->private_data;
-	struct wm5110_priv *priv = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct wm5110_priv *priv = snd_soc_component_get_drvdata(component);
 	struct arizona *arizona = priv->core.arizona;
 	int n_adsp;
 
@@ -2346,6 +2349,16 @@ static unsigned int wm5110_digital_vu[] = {
 	ARIZONA_DAC_DIGITAL_VOLUME_6R,
 };
 
+static struct snd_compr_ops wm5110_compr_ops = {
+	.open		= wm5110_open,
+	.free		= wm_adsp_compr_free,
+	.set_params	= wm_adsp_compr_set_params,
+	.get_caps	= wm_adsp_compr_get_caps,
+	.trigger	= wm_adsp_compr_trigger,
+	.pointer	= wm_adsp_compr_pointer,
+	.copy		= wm_adsp_compr_copy,
+};
+
 static const struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
 	.probe = wm5110_codec_probe,
 	.remove = wm5110_codec_remove,
@@ -2356,6 +2369,8 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
 	.set_pll = wm5110_set_fll,
 
 	.component_driver = {
+		.name			= DRV_NAME,
+		.compr_ops		= &wm5110_compr_ops,
 		.controls		= wm5110_snd_controls,
 		.num_controls		= ARRAY_SIZE(wm5110_snd_controls),
 		.dapm_widgets		= wm5110_dapm_widgets,
@@ -2365,20 +2380,6 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
 	},
 };
 
-static const struct snd_compr_ops wm5110_compr_ops = {
-	.open = wm5110_open,
-	.free = wm_adsp_compr_free,
-	.set_params = wm_adsp_compr_set_params,
-	.get_caps = wm_adsp_compr_get_caps,
-	.trigger = wm_adsp_compr_trigger,
-	.pointer = wm_adsp_compr_pointer,
-	.copy = wm_adsp_compr_copy,
-};
-
-static const struct snd_soc_platform_driver wm5110_compr_platform = {
-	.compr_ops = &wm5110_compr_ops,
-};
-
 static int wm5110_probe(struct platform_device *pdev)
 {
 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -2464,23 +2465,15 @@ static int wm5110_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_dsp_irq;
 
-	ret = snd_soc_register_platform(&pdev->dev, &wm5110_compr_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to register platform: %d\n", ret);
-		goto err_spk_irqs;
-	}
-
 	ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm5110,
 				      wm5110_dai, ARRAY_SIZE(wm5110_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register codec: %d\n", ret);
-		goto err_platform;
+		goto err_spk_irqs;
 	}
 
 	return ret;
 
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_spk_irqs:
 	arizona_free_spk_irqs(arizona);
 err_dsp_irq:
@@ -2495,7 +2488,6 @@ static int wm5110_remove(struct platform_device *pdev)
 	struct arizona *arizona = wm5110->core.arizona;
 	int i;
 
-	snd_soc_unregister_platform(&pdev->dev);
 	snd_soc_unregister_codec(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 

sound/soc/davinci/davinci-i2s.c

@@ -34,6 +34,7 @@
 #include "edma-pcm.h"
 #include "davinci-i2s.h"
 
+#define DRV_NAME "davinci-i2s"
 
 /*
  * NOTE:  terminology here is confusing.
@@ -190,7 +191,7 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
 		struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
 	u32 spcr;
 	u32 mask = playback ? DAVINCI_MCBSP_SPCR_XRST : DAVINCI_MCBSP_SPCR_RRST;
@@ -211,8 +212,8 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
 	if (playback) {
 		/* Stop the DMA to avoid data loss */
 		/* while the transmitter is out of reset to handle XSYNCERR */
-		if (platform->driver->ops->trigger) {
-			int ret = platform->driver->ops->trigger(substream,
+		if (component->driver->ops->trigger) {
+			int ret = component->driver->ops->trigger(substream,
 				SNDRV_PCM_TRIGGER_STOP);
 			if (ret < 0)
 				printk(KERN_DEBUG "Playback DMA stop failed\n");
@@ -233,8 +234,8 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
 		toggle_clock(dev, playback);
 
 		/* Restart the DMA */
-		if (platform->driver->ops->trigger) {
-			int ret = platform->driver->ops->trigger(substream,
+		if (component->driver->ops->trigger) {
+			int ret = component->driver->ops->trigger(substream,
 				SNDRV_PCM_TRIGGER_START);
 			if (ret < 0)
 				printk(KERN_DEBUG "Playback DMA start failed\n");
@@ -651,7 +652,7 @@ static struct snd_soc_dai_driver davinci_i2s_dai = {
 };
 
 static const struct snd_soc_component_driver davinci_i2s_component = {
-	.name		= "davinci-i2s",
+	.name		= DRV_NAME,
 };
 
 static int davinci_i2s_probe(struct platform_device *pdev)

sound/soc/dwc/dwc-pcm.c

@@ -269,7 +269,7 @@ static const struct snd_pcm_ops dw_pcm_ops = {
 	.pointer = dw_pcm_pointer,
 };
 
-static const struct snd_soc_platform_driver dw_pcm_platform = {
+static const struct snd_soc_component_driver dw_pcm_component = {
 	.pcm_new = dw_pcm_new,
 	.pcm_free = dw_pcm_free,
 	.ops = &dw_pcm_ops,
@@ -277,5 +277,6 @@ static const struct snd_soc_platform_driver dw_pcm_platform = {
 
 int dw_pcm_register(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &dw_pcm_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &dw_pcm_component,
+					       NULL, 0);
 }

sound/soc/fsl/fsl_asrc.c

@@ -582,10 +582,6 @@ static struct snd_soc_dai_driver fsl_asrc_dai = {
 	.ops = &fsl_asrc_dai_ops,
 };
 
-static const struct snd_soc_component_driver fsl_asrc_component = {
-	.name = "fsl-asrc-dai",
-};
-
 static bool fsl_asrc_readable_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
@@ -927,12 +923,6 @@ static int fsl_asrc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = devm_snd_soc_register_platform(&pdev->dev, &fsl_asrc_platform);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to register ASoC platform\n");
-		return ret;
-	}
-
 	return 0;
 }
 

sound/soc/fsl/fsl_asrc.h

@@ -462,6 +462,7 @@ struct fsl_asrc {
 	u32 regcache_cfg;
 };
 
-extern struct snd_soc_platform_driver fsl_asrc_platform;
+#define DRV_NAME "fsl-asrc-dai"
+extern struct snd_soc_component_driver fsl_asrc_component;
 struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir);
 #endif /* _FSL_ASRC_H */

sound/soc/fsl/fsl_asrc_dma.c

@@ -64,7 +64,8 @@ static int fsl_asrc_dma_prepare_and_submit(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_asrc_pair *pair = runtime->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	unsigned long flags = DMA_CTRL_ACK;
 
 	/* Prepare and submit Front-End DMA channel */
@@ -137,12 +138,13 @@ static int fsl_asrc_dma_hw_params(struct snd_pcm_substream *substream,
 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
 	struct snd_dmaengine_dai_dma_data *dma_params_fe = NULL;
 	struct snd_dmaengine_dai_dma_data *dma_params_be = NULL;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_asrc_pair *pair = runtime->private_data;
 	struct fsl_asrc *asrc_priv = pair->asrc_priv;
 	struct dma_slave_config config_fe, config_be;
 	enum asrc_pair_index index = pair->index;
-	struct device *dev = rtd->platform->dev;
+	struct device *dev = component->dev;
 	int stream = substream->stream;
 	struct imx_dma_data *tmp_data;
 	struct snd_soc_dpcm *dpcm;
@@ -274,7 +276,8 @@ static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct fsl_asrc *asrc_priv = dev_get_drvdata(dev);
 	struct fsl_asrc_pair *pair;
 
@@ -381,9 +384,10 @@ static void fsl_asrc_dma_pcm_free(struct snd_pcm *pcm)
 	}
 }
 
-struct snd_soc_platform_driver fsl_asrc_platform = {
+struct snd_soc_component_driver fsl_asrc_component = {
+	.name		= DRV_NAME,
 	.ops		= &fsl_asrc_dma_pcm_ops,
 	.pcm_new	= fsl_asrc_dma_pcm_new,
 	.pcm_free	= fsl_asrc_dma_pcm_free,
 };
-EXPORT_SYMBOL_GPL(fsl_asrc_platform);
+EXPORT_SYMBOL_GPL(fsl_asrc_component);

sound/soc/fsl/fsl_dma.c

@@ -37,6 +37,8 @@
 #include "fsl_dma.h"
 #include "fsl_ssi.h"	/* For the offset of stx0 and srx0 */
 
+#define DRV_NAME "fsl_dma"
+
 /*
  * The formats that the DMA controller supports, which is anything
  * that is 8, 16, or 32 bits.
@@ -56,7 +58,7 @@
 			    SNDRV_PCM_FMTBIT_U32_LE     | \
 			    SNDRV_PCM_FMTBIT_U32_BE)
 struct dma_object {
-	struct snd_soc_platform_driver dai;
+	struct snd_soc_component_driver dai;
 	dma_addr_t ssi_stx_phys;
 	dma_addr_t ssi_srx_phys;
 	unsigned int ssi_fifo_depth;
@@ -203,7 +205,8 @@ static irqreturn_t fsl_dma_isr(int irq, void *dev_id)
 	struct fsl_dma_private *dma_private = dev_id;
 	struct snd_pcm_substream *substream = dma_private->substream;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct ccsr_dma_channel __iomem *dma_channel = dma_private->dma_channel;
 	irqreturn_t ret = IRQ_NONE;
 	u32 sr, sr2 = 0;
@@ -385,9 +388,10 @@ static int fsl_dma_open(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct dma_object *dma =
-		container_of(rtd->platform->driver, struct dma_object, dai);
+		container_of(component->driver, struct dma_object, dai);
 	struct fsl_dma_private *dma_private;
 	struct ccsr_dma_channel __iomem *dma_channel;
 	dma_addr_t ld_buf_phys;
@@ -539,7 +543,8 @@ static int fsl_dma_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_dma_private *dma_private = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 
 	/* Number of bits per sample */
 	unsigned int sample_bits =
@@ -702,7 +707,8 @@ static snd_pcm_uframes_t fsl_dma_pointer(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_dma_private *dma_private = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct ccsr_dma_channel __iomem *dma_channel = dma_private->dma_channel;
 	dma_addr_t position;
 	snd_pcm_uframes_t frames;
@@ -799,9 +805,10 @@ static int fsl_dma_close(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_dma_private *dma_private = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct dma_object *dma =
-		container_of(rtd->platform->driver, struct dma_object, dai);
+		container_of(component->driver, struct dma_object, dai);
 
 	if (dma_private) {
 		if (dma_private->irq)
@@ -908,6 +915,7 @@ static int fsl_soc_dma_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	dma->dai.name = DRV_NAME;
 	dma->dai.ops = &fsl_dma_ops;
 	dma->dai.pcm_new = fsl_dma_new;
 	dma->dai.pcm_free = fsl_dma_free_dma_buffers;
@@ -925,7 +933,7 @@ static int fsl_soc_dma_probe(struct platform_device *pdev)
 
 	of_node_put(ssi_np);
 
-	ret = snd_soc_register_platform(&pdev->dev, &dma->dai);
+	ret = devm_snd_soc_register_component(&pdev->dev, &dma->dai, NULL, 0);
 	if (ret) {
 		dev_err(&pdev->dev, "could not register platform\n");
 		kfree(dma);
@@ -944,7 +952,6 @@ static int fsl_soc_dma_remove(struct platform_device *pdev)
 {
 	struct dma_object *dma = dev_get_drvdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
 	iounmap(dma->channel);
 	irq_dispose_mapping(dma->irq);
 	kfree(dma);

sound/soc/fsl/imx-pcm-fiq.c

@@ -341,7 +341,7 @@ static void imx_pcm_fiq_free(struct snd_pcm *pcm)
 	imx_pcm_free(pcm);
 }
 
-static const struct snd_soc_platform_driver imx_soc_platform_fiq = {
+static const struct snd_soc_component_driver imx_soc_component_fiq = {
 	.ops		= &imx_pcm_ops,
 	.pcm_new	= imx_pcm_fiq_new,
 	.pcm_free	= imx_pcm_fiq_free,
@@ -368,7 +368,8 @@ int imx_pcm_fiq_init(struct platform_device *pdev,
 	params->dma_params_tx->maxburst = 4;
 	params->dma_params_rx->maxburst = 6;
 
-	ret = snd_soc_register_platform(&pdev->dev, &imx_soc_platform_fiq);
+	ret = devm_snd_soc_register_component(&pdev->dev, &imx_soc_component_fiq,
+					      NULL, 0);
 	if (ret)
 		goto failed_register;
 
@@ -384,7 +385,6 @@ EXPORT_SYMBOL_GPL(imx_pcm_fiq_init);
 
 void imx_pcm_fiq_exit(struct platform_device *pdev)
 {
-	snd_soc_unregister_platform(&pdev->dev);
 }
 EXPORT_SYMBOL_GPL(imx_pcm_fiq_exit);
 

sound/soc/fsl/mpc5200_dma.c

@@ -22,6 +22,8 @@
 
 #include "mpc5200_dma.h"
 
+#define DRV_NAME "mpc5200_dma"
+
 /*
  * Interrupt handlers
  */
@@ -300,12 +302,13 @@ static const struct snd_pcm_ops psc_dma_ops = {
 static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_card *card = rtd->card->snd_card;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct snd_soc_dai *dai = rtd->cpu_dai;
 	struct snd_pcm *pcm = rtd->pcm;
 	size_t size = psc_dma_hardware.buffer_bytes_max;
 	int rc;
 
-	dev_dbg(rtd->platform->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n",
+	dev_dbg(component->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n",
 		card, dai, pcm);
 
 	rc = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
@@ -341,10 +344,11 @@ static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
 static void psc_dma_free(struct snd_pcm *pcm)
 {
 	struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct snd_pcm_substream *substream;
 	int stream;
 
-	dev_dbg(rtd->platform->dev, "psc_dma_free(pcm=%p)\n", pcm);
+	dev_dbg(component->dev, "psc_dma_free(pcm=%p)\n", pcm);
 
 	for (stream = 0; stream < 2; stream++) {
 		substream = pcm->streams[stream].substream;
@@ -356,7 +360,8 @@ static void psc_dma_free(struct snd_pcm *pcm)
 	}
 }
 
-static const struct snd_soc_platform_driver mpc5200_audio_dma_platform = {
+static const struct snd_soc_component_driver mpc5200_audio_dma_component = {
+	.name		= DRV_NAME,
 	.ops		= &psc_dma_ops,
 	.pcm_new	= &psc_dma_new,
 	.pcm_free	= &psc_dma_free,
@@ -468,7 +473,8 @@ int mpc5200_audio_dma_create(struct platform_device *op)
 	dev_set_drvdata(&op->dev, psc_dma);
 
 	/* Tell the ASoC OF helpers about it */
-	return snd_soc_register_platform(&op->dev, &mpc5200_audio_dma_platform);
+	return devm_snd_soc_register_component(&op->dev,
+					&mpc5200_audio_dma_component, NULL, 0);
 out_irq:
 	free_irq(psc_dma->irq, psc_dma);
 	free_irq(psc_dma->capture.irq, &psc_dma->capture);
@@ -487,8 +493,6 @@ int mpc5200_audio_dma_destroy(struct platform_device *op)
 
 	dev_dbg(&op->dev, "mpc5200_audio_dma_destroy()\n");
 
-	snd_soc_unregister_platform(&op->dev);
-
 	bcom_gen_bd_rx_release(psc_dma->capture.bcom_task);
 	bcom_gen_bd_tx_release(psc_dma->playback.bcom_task);
 

sound/soc/intel/atom/sst-atom-controls.c

@@ -1414,11 +1414,11 @@ static int sst_fill_module_list(struct snd_kcontrol *kctl,
  * name. First part of control name contains the pipe name (widget name).
  */
 static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
-	struct snd_soc_platform *platform)
+	struct snd_soc_component *component)
 {
 	struct snd_kcontrol *kctl;
 	int index, ret = 0;
-	struct snd_card *card = platform->component.card->snd_card;
+	struct snd_card *card = component->card->snd_card;
 	char *idx;
 
 	down_read(&card->controls_rwsem);
@@ -1468,13 +1468,13 @@ static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
 /**
  * sst_fill_linked_widgets - fill the parent pointer for the linked widget
  */
-static void sst_fill_linked_widgets(struct snd_soc_platform *platform,
+static void sst_fill_linked_widgets(struct snd_soc_component *component,
 						struct sst_ids *ids)
 {
 	struct snd_soc_dapm_widget *w;
 	unsigned int len = strlen(ids->parent_wname);
 
-	list_for_each_entry(w, &platform->component.card->widgets, list) {
+	list_for_each_entry(w, &component->card->widgets, list) {
 		if (!strncmp(ids->parent_wname, w->name, len)) {
 			ids->parent_w = w;
 			break;
@@ -1485,41 +1485,41 @@ static void sst_fill_linked_widgets(struct snd_soc_platform *platform,
 /**
  * sst_map_modules_to_pipe - fill algo/gains list for all pipes
  */
-static int sst_map_modules_to_pipe(struct snd_soc_platform *platform)
+static int sst_map_modules_to_pipe(struct snd_soc_component *component)
 {
 	struct snd_soc_dapm_widget *w;
 	int ret = 0;
 
-	list_for_each_entry(w, &platform->component.card->widgets, list) {
+	list_for_each_entry(w, &component->card->widgets, list) {
 		if (is_sst_dapm_widget(w) && (w->priv)) {
 			struct sst_ids *ids = w->priv;
 
-			dev_dbg(platform->dev, "widget type=%d name=%s\n",
+			dev_dbg(component->dev, "widget type=%d name=%s\n",
 					w->id, w->name);
 			INIT_LIST_HEAD(&ids->algo_list);
 			INIT_LIST_HEAD(&ids->gain_list);
-			ret = sst_fill_widget_module_info(w, platform);
+			ret = sst_fill_widget_module_info(w, component);
 
 			if (ret < 0)
 				return ret;
 
 			/* fill linked widgets */
 			if (ids->parent_wname !=  NULL)
-				sst_fill_linked_widgets(platform, ids);
+				sst_fill_linked_widgets(component, ids);
 		}
 	}
 	return 0;
 }
 
-int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform)
+int sst_dsp_init_v2_dpcm(struct snd_soc_component *component)
 {
 	int i, ret = 0;
 	struct snd_soc_dapm_context *dapm =
-			snd_soc_component_get_dapm(&platform->component);
-	struct sst_data *drv = snd_soc_platform_get_drvdata(platform);
+			snd_soc_component_get_dapm(component);
+	struct sst_data *drv = snd_soc_component_get_drvdata(component);
 	unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
 
-	drv->byte_stream = devm_kzalloc(platform->dev,
+	drv->byte_stream = devm_kzalloc(component->dev,
 					SST_MAX_BIN_BYTES, GFP_KERNEL);
 	if (!drv->byte_stream)
 		return -ENOMEM;
@@ -1537,26 +1537,26 @@ int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform)
 		sst_gains[i].ramp_duration = SST_GAIN_RAMP_DURATION_DEFAULT;
 	}
 
-	ret = snd_soc_add_platform_controls(platform, sst_gain_controls,
+	ret = snd_soc_add_component_controls(component, sst_gain_controls,
 			ARRAY_SIZE(sst_gain_controls));
 	if (ret)
 		return ret;
 
 	/* Initialize algo control params */
-	ret = sst_algo_control_init(platform->dev);
+	ret = sst_algo_control_init(component->dev);
 	if (ret)
 		return ret;
-	ret = snd_soc_add_platform_controls(platform, sst_algo_controls,
+	ret = snd_soc_add_component_controls(component, sst_algo_controls,
 			ARRAY_SIZE(sst_algo_controls));
 	if (ret)
 		return ret;
 
-	ret = snd_soc_add_platform_controls(platform, sst_slot_controls,
+	ret = snd_soc_add_component_controls(component, sst_slot_controls,
 			ARRAY_SIZE(sst_slot_controls));
 	if (ret)
 		return ret;
 
-	ret = sst_map_modules_to_pipe(platform);
+	ret = sst_map_modules_to_pipe(component);
 
 	return ret;
 }

sound/soc/intel/atom/sst-mfld-platform-compress.c

@@ -107,8 +107,8 @@ static int sst_platform_compr_set_params(struct snd_compr_stream *cstream,
 	struct snd_sst_params str_params;
 	struct sst_compress_cb cb;
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
-	struct sst_data *ctx = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_data *ctx = snd_soc_component_get_drvdata(component);
 
 	stream = cstream->runtime->private_data;
 	/* construct fw structure for this*/

sound/soc/intel/atom/sst-mfld-platform-pcm.c

@@ -697,26 +697,22 @@ static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return retval;
 }
 
-static int sst_soc_probe(struct snd_soc_platform *platform)
+static int sst_soc_probe(struct snd_soc_component *component)
 {
-	struct sst_data *drv = dev_get_drvdata(platform->dev);
+	struct sst_data *drv = dev_get_drvdata(component->dev);
 
-	drv->soc_card = platform->component.card;
-	return sst_dsp_init_v2_dpcm(platform);
+	drv->soc_card = component->card;
+	return sst_dsp_init_v2_dpcm(component);
 }
 
-static const struct snd_soc_platform_driver sst_soc_platform_drv  = {
+static const struct snd_soc_component_driver sst_soc_platform_drv  = {
+	.name		= DRV_NAME,
 	.probe		= sst_soc_probe,
 	.ops		= &sst_platform_ops,
 	.compr_ops	= &sst_platform_compr_ops,
 	.pcm_new	= sst_pcm_new,
 };
 
-static const struct snd_soc_component_driver sst_component = {
-	.name		= "sst",
-};
-
-
 static int sst_platform_probe(struct platform_device *pdev)
 {
 	struct sst_data *drv;
@@ -740,26 +736,16 @@ static int sst_platform_probe(struct platform_device *pdev)
 	mutex_init(&drv->lock);
 	dev_set_drvdata(&pdev->dev, drv);
 
-	ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv);
-	if (ret) {
-		dev_err(&pdev->dev, "registering soc platform failed\n");
-		return ret;
-	}
-
-	ret = snd_soc_register_component(&pdev->dev, &sst_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &sst_soc_platform_drv,
 				sst_platform_dai, ARRAY_SIZE(sst_platform_dai));
-	if (ret) {
+	if (ret)
 		dev_err(&pdev->dev, "registering cpu dais failed\n");
-		snd_soc_unregister_platform(&pdev->dev);
-	}
+
 	return ret;
 }
 
 static int sst_platform_remove(struct platform_device *pdev)
 {
-
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
 	dev_dbg(&pdev->dev, "sst_platform_remove success\n");
 	return 0;
 }

sound/soc/intel/atom/sst-mfld-platform.h

@@ -27,6 +27,8 @@
 extern struct sst_device *sst;
 extern const struct snd_compr_ops sst_platform_compr_ops;
 
+#define DRV_NAME "sst"
+
 #define SST_MONO		1
 #define SST_STEREO		2
 #define SST_MAX_CAP		5
@@ -155,7 +157,7 @@ struct sst_device {
 
 struct sst_data;
 
-int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform);
+int sst_dsp_init_v2_dpcm(struct snd_soc_component *component);
 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);

sound/soc/intel/baytrail/sst-baytrail-pcm.c

@@ -23,6 +23,7 @@
 #include "../common/sst-dsp-priv.h"
 #include "../common/sst-dsp.h"
 
+#define DRV_NAME "byt-dai"
 #define BYT_PCM_COUNT		2
 
 static const struct snd_pcm_hardware sst_byt_pcm_hardware = {
@@ -69,8 +70,8 @@ static int sst_byt_pcm_hw_params(struct snd_pcm_substream *substream,
 				 struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 	u32 rate, bits;
@@ -141,8 +142,8 @@ static int sst_byt_pcm_hw_free(struct snd_pcm_substream *substream)
 static int sst_byt_pcm_restore_stream_context(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 	int ret;
@@ -174,8 +175,8 @@ static void sst_byt_pcm_work(struct work_struct *work)
 static int sst_byt_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 
@@ -216,8 +217,8 @@ static u32 byt_notify_pointer(struct sst_byt_stream *stream, void *data)
 	struct snd_pcm_substream *substream = pcm_data->substream;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt *byt = pdata->byt;
 	u32 pos, hw_pos;
 
@@ -238,8 +239,8 @@ static snd_pcm_uframes_t sst_byt_pcm_pointer(struct snd_pcm_substream *substream
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 
 	dev_dbg(rtd->dev, "PCM: DMA pointer %u bytes\n", pcm_data->hw_ptr);
@@ -250,8 +251,8 @@ static snd_pcm_uframes_t sst_byt_pcm_pointer(struct snd_pcm_substream *substream
 static int sst_byt_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 
@@ -278,8 +279,8 @@ static int sst_byt_pcm_open(struct snd_pcm_substream *substream)
 static int sst_byt_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 	int ret;
@@ -324,8 +325,8 @@ static int sst_byt_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_pcm *pcm = rtd->pcm;
 	size_t size;
-	struct snd_soc_platform *platform = rtd->platform;
-	struct sst_pdata *pdata = dev_get_platdata(platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	int ret = 0;
 
 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream ||
@@ -366,21 +367,21 @@ static struct snd_soc_dai_driver byt_dais[] = {
 	},
 };
 
-static int sst_byt_pcm_probe(struct snd_soc_platform *platform)
+static int sst_byt_pcm_probe(struct snd_soc_component *component)
 {
-	struct sst_pdata *plat_data = dev_get_platdata(platform->dev);
+	struct sst_pdata *plat_data = dev_get_platdata(component->dev);
 	struct sst_byt_priv_data *priv_data;
 	int i;
 
 	if (!plat_data)
 		return -ENODEV;
 
-	priv_data = devm_kzalloc(platform->dev, sizeof(*priv_data),
+	priv_data = devm_kzalloc(component->dev, sizeof(*priv_data),
 				 GFP_KERNEL);
 	if (!priv_data)
 		return -ENOMEM;
 	priv_data->byt = plat_data->dsp;
-	snd_soc_platform_set_drvdata(platform, priv_data);
+	snd_soc_component_set_drvdata(component, priv_data);
 
 	for (i = 0; i < BYT_PCM_COUNT; i++) {
 		mutex_init(&priv_data->pcm[i].mutex);
@@ -390,22 +391,13 @@ static int sst_byt_pcm_probe(struct snd_soc_platform *platform)
 	return 0;
 }
 
-static int sst_byt_pcm_remove(struct snd_soc_platform *platform)
-{
-	return 0;
-}
-
-static const struct snd_soc_platform_driver byt_soc_platform = {
+static const struct snd_soc_component_driver byt_dai_component = {
+	.name		= DRV_NAME,
 	.probe		= sst_byt_pcm_probe,
-	.remove		= sst_byt_pcm_remove,
 	.ops		= &sst_byt_pcm_ops,
 	.pcm_new	= sst_byt_pcm_new,
 };
 
-static const struct snd_soc_component_driver byt_dai_component = {
-	.name		= "byt-dai",
-};
-
 #ifdef CONFIG_PM
 static int sst_byt_pcm_dev_suspend_late(struct device *dev)
 {
@@ -461,19 +453,13 @@ static int sst_byt_pcm_dev_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return -ENODEV;
 
-	ret = snd_soc_register_platform(&pdev->dev, &byt_soc_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev, &byt_dai_component,
+					 byt_dais, ARRAY_SIZE(byt_dais));
 	if (ret < 0)
 		goto err_plat;
 
-	ret = snd_soc_register_component(&pdev->dev, &byt_dai_component,
-					 byt_dais, ARRAY_SIZE(byt_dais));
-	if (ret < 0)
-		goto err_comp;
-
 	return 0;
 
-err_comp:
-	snd_soc_unregister_platform(&pdev->dev);
 err_plat:
 	sst_byt_dsp_free(&pdev->dev, sst_pdata);
 	return ret;
@@ -483,8 +469,6 @@ static int sst_byt_pcm_dev_remove(struct platform_device *pdev)
 {
 	struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
 	sst_byt_dsp_free(&pdev->dev, sst_pdata);
 
 	return 0;

sound/soc/intel/boards/bdw-rt5677.c

@@ -183,7 +183,8 @@ static const struct snd_soc_ops bdw_rt5677_ops = {
 
 static int bdw_rt5677_rtd_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct sst_hsw *broadwell = pdata->dsp;
 	int ret;
 

sound/soc/intel/boards/broadwell.c

@@ -132,7 +132,8 @@ static const struct snd_soc_ops broadwell_rt286_ops = {
 
 static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct sst_hsw *broadwell = pdata->dsp;
 	int ret;
 

sound/soc/intel/boards/haswell.c

@@ -87,7 +87,8 @@ static const struct snd_soc_ops haswell_rt5640_ops = {
 
 static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct sst_hsw *haswell = pdata->dsp;
 	int ret;
 

sound/soc/intel/haswell/sst-haswell-ipc.h

@@ -22,6 +22,8 @@
 #include <linux/platform_device.h>
 #include <sound/asound.h>
 
+#define DRV_NAME "haswell-dai"
+
 #define SST_HSW_NO_CHANNELS		4
 #define SST_HSW_MAX_DX_REGIONS		14
 #define SST_HSW_DX_CONTEXT_SIZE        (640 * 1024)

sound/soc/intel/haswell/sst-haswell-pcm.c

@@ -181,11 +181,11 @@ static inline unsigned int hsw_ipc_to_mixer(u32 value)
 static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(platform);
+		snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 volume;
@@ -230,11 +230,11 @@ static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
 static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(platform);
+		snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 volume;
@@ -273,8 +273,8 @@ static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol,
 static int hsw_volume_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 volume;
 
@@ -302,8 +302,8 @@ static int hsw_volume_put(struct snd_kcontrol *kcontrol,
 static int hsw_volume_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	unsigned int volume = 0;
 
@@ -322,8 +322,8 @@ static int hsw_volume_get(struct snd_kcontrol *kcontrol,
 static int hsw_waves_switch_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
 
@@ -336,8 +336,8 @@ static int hsw_waves_switch_get(struct snd_kcontrol *kcontrol,
 static int hsw_waves_switch_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	int ret = 0;
 	enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
@@ -370,8 +370,8 @@ static int hsw_waves_switch_put(struct snd_kcontrol *kcontrol,
 static int hsw_waves_param_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 
 	/* return a matching line from param buffer */
@@ -381,8 +381,8 @@ static int hsw_waves_param_get(struct snd_kcontrol *kcontrol,
 static int hsw_waves_param_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	int ret;
 	enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
@@ -472,8 +472,8 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	struct sst_module *module_data;
@@ -674,8 +674,8 @@ static int hsw_pcm_hw_free(struct snd_pcm_substream *substream)
 static int hsw_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw_stream *sst_stream;
 	struct sst_hsw *hsw = pdata->hsw;
@@ -718,8 +718,8 @@ static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data)
 	struct snd_pcm_substream *substream = pcm_data->substream;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 pos;
 	snd_pcm_uframes_t position = bytes_to_frames(runtime,
@@ -783,8 +783,8 @@ static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	snd_pcm_uframes_t offset;
@@ -807,8 +807,8 @@ static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream)
 static int hsw_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	int dai;
@@ -840,8 +840,8 @@ static int hsw_pcm_open(struct snd_pcm_substream *substream)
 static int hsw_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	int ret, dai;
@@ -942,9 +942,9 @@ static void hsw_pcm_free_modules(struct hsw_priv_data *pdata)
 static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_pcm *pcm = rtd->pcm;
-	struct snd_soc_platform *platform = rtd->platform;
-	struct sst_pdata *pdata = dev_get_platdata(platform->dev);
-	struct hsw_priv_data *priv_data = dev_get_drvdata(platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
+	struct hsw_priv_data *priv_data = dev_get_drvdata(component->dev);
 	struct device *dev = pdata->dma_dev;
 	int ret = 0;
 
@@ -1052,23 +1052,23 @@ static const struct snd_soc_dapm_route graph[] = {
 	{"Analog Capture", NULL, "SSP0 CODEC IN"},
 };
 
-static int hsw_pcm_probe(struct snd_soc_platform *platform)
+static int hsw_pcm_probe(struct snd_soc_component *component)
 {
-	struct hsw_priv_data *priv_data = snd_soc_platform_get_drvdata(platform);
-	struct sst_pdata *pdata = dev_get_platdata(platform->dev);
+	struct hsw_priv_data *priv_data = snd_soc_component_get_drvdata(component);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct device *dma_dev, *dev;
 	int i, ret = 0;
 
 	if (!pdata)
 		return -ENODEV;
 
-	dev = platform->dev;
+	dev = component->dev;
 	dma_dev = pdata->dma_dev;
 
 	priv_data->hsw = pdata->dsp;
-	priv_data->dev = platform->dev;
+	priv_data->dev = dev;
 	priv_data->pm_state = HSW_PM_STATE_D0;
-	priv_data->soc_card = platform->component.card;
+	priv_data->soc_card = component->card;
 
 	/* allocate DSP buffer page tables */
 	for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) {
@@ -1098,11 +1098,10 @@ static int hsw_pcm_probe(struct snd_soc_platform *platform)
 		goto err;
 
 	/* enable runtime PM with auto suspend */
-	pm_runtime_set_autosuspend_delay(platform->dev,
-		SST_RUNTIME_SUSPEND_DELAY);
-	pm_runtime_use_autosuspend(platform->dev);
-	pm_runtime_enable(platform->dev);
-	pm_runtime_idle(platform->dev);
+	pm_runtime_set_autosuspend_delay(dev, SST_RUNTIME_SUSPEND_DELAY);
+	pm_runtime_use_autosuspend(dev);
+	pm_runtime_enable(dev);
+	pm_runtime_idle(dev);
 
 	return 0;
 
@@ -1116,13 +1115,13 @@ err:
 	return ret;
 }
 
-static int hsw_pcm_remove(struct snd_soc_platform *platform)
+static void hsw_pcm_remove(struct snd_soc_component *component)
 {
 	struct hsw_priv_data *priv_data =
-		snd_soc_platform_get_drvdata(platform);
+		snd_soc_component_get_drvdata(component);
 	int i;
 
-	pm_runtime_disable(platform->dev);
+	pm_runtime_disable(component->dev);
 	hsw_pcm_free_modules(priv_data);
 
 	for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) {
@@ -1131,24 +1130,19 @@ static int hsw_pcm_remove(struct snd_soc_platform *platform)
 		if (hsw_dais[i].capture.channels_min)
 			snd_dma_free_pages(&priv_data->dmab[i][1]);
 	}
-
-	return 0;
 }
 
-static const struct snd_soc_platform_driver hsw_soc_platform = {
+static const struct snd_soc_component_driver hsw_dai_component = {
+	.name		= DRV_NAME,
 	.probe		= hsw_pcm_probe,
 	.remove		= hsw_pcm_remove,
 	.ops		= &hsw_pcm_ops,
 	.pcm_new	= hsw_pcm_new,
-};
-
-static const struct snd_soc_component_driver hsw_dai_component = {
-	.name = "haswell-dai",
-	.controls = hsw_volume_controls,
-	.num_controls = ARRAY_SIZE(hsw_volume_controls),
-	.dapm_widgets = widgets,
+	.controls	= hsw_volume_controls,
+	.num_controls	= ARRAY_SIZE(hsw_volume_controls),
+	.dapm_widgets	= widgets,
 	.num_dapm_widgets = ARRAY_SIZE(widgets),
-	.dapm_routes = graph,
+	.dapm_routes	= graph,
 	.num_dapm_routes = ARRAY_SIZE(graph),
 };
 
@@ -1172,19 +1166,13 @@ static int hsw_pcm_dev_probe(struct platform_device *pdev)
 	priv_data->hsw = sst_pdata->dsp;
 	platform_set_drvdata(pdev, priv_data);
 
-	ret = snd_soc_register_platform(&pdev->dev, &hsw_soc_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev, &hsw_dai_component,
+		hsw_dais, ARRAY_SIZE(hsw_dais));
 	if (ret < 0)
 		goto err_plat;
 
-	ret = snd_soc_register_component(&pdev->dev, &hsw_dai_component,
-		hsw_dais, ARRAY_SIZE(hsw_dais));
-	if (ret < 0)
-		goto err_comp;
-
 	return 0;
 
-err_comp:
-	snd_soc_unregister_platform(&pdev->dev);
 err_plat:
 	sst_hsw_dsp_free(&pdev->dev, sst_pdata);
 	return 0;
@@ -1194,8 +1182,6 @@ static int hsw_pcm_dev_remove(struct platform_device *pdev)
 {
 	struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
 	sst_hsw_dsp_free(&pdev->dev, sst_pdata);
 
 	return 0;

sound/soc/intel/skylake/skl-debug.c

@@ -231,7 +231,7 @@ struct skl_debug *skl_debugfs_init(struct skl *skl)
 
 	/* create the debugfs dir with platform component's debugfs as parent */
 	d->fs = debugfs_create_dir("dsp",
-				   skl->platform->component.debugfs_root);
+				   skl->component->debugfs_root);
 	if (IS_ERR(d->fs) || !d->fs) {
 		dev_err(&skl->pci->dev, "debugfs root creation failed\n");
 		return NULL;

sound/soc/intel/skylake/skl-pcm.c

@@ -1313,23 +1313,23 @@ static int skl_populate_modules(struct skl *skl)
 	return ret;
 }
 
-static int skl_platform_soc_probe(struct snd_soc_platform *platform)
+static int skl_platform_soc_probe(struct snd_soc_component *component)
 {
-	struct hdac_ext_bus *ebus = dev_get_drvdata(platform->dev);
+	struct hdac_ext_bus *ebus = dev_get_drvdata(component->dev);
 	struct skl *skl = ebus_to_skl(ebus);
 	const struct skl_dsp_ops *ops;
 	int ret;
 
-	pm_runtime_get_sync(platform->dev);
+	pm_runtime_get_sync(component->dev);
 	if ((ebus_to_hbus(ebus))->ppcap) {
-		skl->platform = platform;
+		skl->component = component;
 
 		/* init debugfs */
 		skl->debugfs = skl_debugfs_init(skl);
 
-		ret = skl_tplg_init(platform, ebus);
+		ret = skl_tplg_init(component, ebus);
 		if (ret < 0) {
-			dev_err(platform->dev, "Failed to init topology!\n");
+			dev_err(component->dev, "Failed to init topology!\n");
 			return ret;
 		}
 
@@ -1339,17 +1339,17 @@ static int skl_platform_soc_probe(struct snd_soc_platform *platform)
 			return -EIO;
 
 		if (skl->skl_sst->is_first_boot == false) {
-			dev_err(platform->dev, "DSP reports first boot done!!!\n");
+			dev_err(component->dev, "DSP reports first boot done!!!\n");
 			return -EIO;
 		}
 
 		/* disable dynamic clock gating during fw and lib download */
-		skl->skl_sst->enable_miscbdcge(platform->dev, false);
+		skl->skl_sst->enable_miscbdcge(component->dev, false);
 
-		ret = ops->init_fw(platform->dev, skl->skl_sst);
-		skl->skl_sst->enable_miscbdcge(platform->dev, true);
+		ret = ops->init_fw(component->dev, skl->skl_sst);
+		skl->skl_sst->enable_miscbdcge(component->dev, true);
 		if (ret < 0) {
-			dev_err(platform->dev, "Failed to boot first fw: %d\n", ret);
+			dev_err(component->dev, "Failed to boot first fw: %d\n", ret);
 			return ret;
 		}
 		skl_populate_modules(skl);
@@ -1362,22 +1362,20 @@ static int skl_platform_soc_probe(struct snd_soc_platform *platform)
 					skl->cfg.astate_cfg);
 		}
 	}
-	pm_runtime_mark_last_busy(platform->dev);
-	pm_runtime_put_autosuspend(platform->dev);
+	pm_runtime_mark_last_busy(component->dev);
+	pm_runtime_put_autosuspend(component->dev);
 
 	return 0;
 }
-static const struct snd_soc_platform_driver skl_platform_drv  = {
+
+static const struct snd_soc_component_driver skl_component  = {
+	.name		= "pcm",
 	.probe		= skl_platform_soc_probe,
 	.ops		= &skl_platform_ops,
 	.pcm_new	= skl_pcm_new,
 	.pcm_free	= skl_pcm_free,
 };
 
-static const struct snd_soc_component_driver skl_component = {
-	.name           = "pcm",
-};
-
 int skl_platform_register(struct device *dev)
 {
 	int ret;
@@ -1389,12 +1387,6 @@ int skl_platform_register(struct device *dev)
 	INIT_LIST_HEAD(&skl->ppl_list);
 	INIT_LIST_HEAD(&skl->bind_list);
 
-	ret = snd_soc_register_platform(dev, &skl_platform_drv);
-	if (ret) {
-		dev_err(dev, "soc platform registration failed %d\n", ret);
-		return ret;
-	}
-
 	skl->dais = kmemdup(skl_platform_dai, sizeof(skl_platform_dai),
 			    GFP_KERNEL);
 	if (!skl->dais) {
@@ -1416,18 +1408,12 @@ int skl_platform_register(struct device *dev)
 		num_dais += ARRAY_SIZE(skl_fe_dai);
 	}
 
-	ret = snd_soc_register_component(dev, &skl_component,
+	ret = devm_snd_soc_register_component(dev, &skl_component,
 					 skl->dais, num_dais);
-	if (ret) {
+	if (ret)
 		dev_err(dev, "soc component registration failed %d\n", ret);
-		goto err;
-	}
-
-	return 0;
 err:
-	snd_soc_unregister_platform(dev);
 	return ret;
-
 }
 
 int skl_platform_unregister(struct device *dev)
@@ -1443,8 +1429,6 @@ int skl_platform_unregister(struct device *dev)
 		}
 	}
 
-	snd_soc_unregister_component(dev);
-	snd_soc_unregister_platform(dev);
 	kfree(skl->dais);
 
 	return 0;

sound/soc/intel/skylake/skl-topology.c

@@ -2710,15 +2710,15 @@ static int skl_tplg_get_pvt_data(struct snd_soc_tplg_dapm_widget *tplg_w,
 	return 0;
 }
 
-static void skl_clear_pin_config(struct snd_soc_platform *platform,
+static void skl_clear_pin_config(struct snd_soc_component *component,
 				struct snd_soc_dapm_widget *w)
 {
 	int i;
 	struct skl_module_cfg *mconfig;
 	struct skl_pipe *pipe;
 
-	if (!strncmp(w->dapm->component->name, platform->component.name,
-					strlen(platform->component.name))) {
+	if (!strncmp(w->dapm->component->name, component->name,
+					strlen(component->name))) {
 		mconfig = w->priv;
 		pipe = mconfig->pipe;
 		for (i = 0; i < mconfig->module->max_input_pins; i++) {
@@ -2737,14 +2737,14 @@ static void skl_clear_pin_config(struct snd_soc_platform *platform,
 void skl_cleanup_resources(struct skl *skl)
 {
 	struct skl_sst *ctx = skl->skl_sst;
-	struct snd_soc_platform *soc_platform = skl->platform;
+	struct snd_soc_component *soc_component = skl->component;
 	struct snd_soc_dapm_widget *w;
 	struct snd_soc_card *card;
 
-	if (soc_platform == NULL)
+	if (soc_component == NULL)
 		return;
 
-	card = soc_platform->component.card;
+	card = soc_component->card;
 	if (!card || !card->instantiated)
 		return;
 
@@ -2753,7 +2753,7 @@ void skl_cleanup_resources(struct skl *skl)
 
 	list_for_each_entry(w, &card->widgets, list) {
 		if (is_skl_dsp_widget_type(w) && (w->priv != NULL))
-			skl_clear_pin_config(soc_platform, w);
+			skl_clear_pin_config(soc_component, w);
 	}
 
 	skl_clear_module_cnt(ctx->dsp);
@@ -3400,19 +3400,19 @@ static struct snd_soc_tplg_ops skl_tplg_ops  = {
  * widgets in a pipelines, so this helper - skl_tplg_create_pipe_widget_list()
  * helps to get the SKL type widgets in that pipeline
  */
-static int skl_tplg_create_pipe_widget_list(struct snd_soc_platform *platform)
+static int skl_tplg_create_pipe_widget_list(struct snd_soc_component *component)
 {
 	struct snd_soc_dapm_widget *w;
 	struct skl_module_cfg *mcfg = NULL;
 	struct skl_pipe_module *p_module = NULL;
 	struct skl_pipe *pipe;
 
-	list_for_each_entry(w, &platform->component.card->widgets, list) {
+	list_for_each_entry(w, &component->card->widgets, list) {
 		if (is_skl_dsp_widget_type(w) && w->priv != NULL) {
 			mcfg = w->priv;
 			pipe = mcfg->pipe;
 
-			p_module = devm_kzalloc(platform->dev,
+			p_module = devm_kzalloc(component->dev,
 						sizeof(*p_module), GFP_KERNEL);
 			if (!p_module)
 				return -ENOMEM;
@@ -3455,7 +3455,7 @@ static void skl_tplg_set_pipe_type(struct skl *skl, struct skl_pipe *pipe)
 /*
  * SKL topology init routine
  */
-int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
+int skl_tplg_init(struct snd_soc_component *component, struct hdac_ext_bus *ebus)
 {
 	int ret;
 	const struct firmware *fw;
@@ -3479,7 +3479,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
 	 * The complete tplg for SKL is loaded as index 0, we don't use
 	 * any other index
 	 */
-	ret = snd_soc_tplg_component_load(&platform->component,
+	ret = snd_soc_tplg_component_load(component,
 					&skl_tplg_ops, fw, 0);
 	if (ret < 0) {
 		dev_err(bus->dev, "tplg component load failed%d\n", ret);
@@ -3491,7 +3491,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
 	skl->resource.max_mem = SKL_FW_MAX_MEM;
 
 	skl->tplg = fw;
-	ret = skl_tplg_create_pipe_widget_list(platform);
+	ret = skl_tplg_create_pipe_widget_list(component);
 	if (ret < 0)
 		return ret;
 

sound/soc/intel/skylake/skl-topology.h

@@ -460,7 +460,7 @@ int skl_dsp_set_dma_control(struct skl_sst *ctx, u32 *caps,
 			u32 caps_size, u32 node_id);
 void skl_tplg_set_be_dmic_config(struct snd_soc_dai *dai,
 	struct skl_pipe_params *params, int stream);
-int skl_tplg_init(struct snd_soc_platform *platform,
+int skl_tplg_init(struct snd_soc_component *component,
 				struct hdac_ext_bus *ebus);
 struct skl_module_cfg *skl_tplg_fe_get_cpr_module(
 		struct snd_soc_dai *dai, int stream);

sound/soc/intel/skylake/skl.h

@@ -74,7 +74,7 @@ struct skl {
 	struct platform_device *dmic_dev;
 	struct platform_device *i2s_dev;
 	struct platform_device *clk_dev;
-	struct snd_soc_platform *platform;
+	struct snd_soc_component *component;
 	struct snd_soc_dai_driver *dais;
 
 	struct nhlt_acpi_table *nhlt; /* nhlt ptr */

sound/soc/kirkwood/kirkwood-dma.c

@@ -318,7 +318,8 @@ static void kirkwood_dma_free_dma_buffers(struct snd_pcm *pcm)
 	}
 }
 
-const struct snd_soc_platform_driver kirkwood_soc_platform = {
+const struct snd_soc_component_driver kirkwood_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &kirkwood_dma_ops,
 	.pcm_new	= kirkwood_dma_new,
 	.pcm_free	= kirkwood_dma_free_dma_buffers,

sound/soc/kirkwood/kirkwood-i2s.c

@@ -26,8 +26,6 @@
 
 #include "kirkwood.h"
 
-#define DRV_NAME	"mvebu-audio"
-
 #define KIRKWOOD_I2S_FORMATS \
 	(SNDRV_PCM_FMTBIT_S16_LE | \
 	 SNDRV_PCM_FMTBIT_S24_LE | \
@@ -524,10 +522,6 @@ static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk[2] = {
     },
 };
 
-static const struct snd_soc_component_driver kirkwood_i2s_component = {
-	.name		= DRV_NAME,
-};
-
 static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 {
 	struct kirkwood_asoc_platform_data *data = pdev->dev.platform_data;
@@ -601,24 +595,17 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 		priv->ctl_rec |= KIRKWOOD_RECCTL_BURST_128;
 	}
 
-	err = snd_soc_register_component(&pdev->dev, &kirkwood_i2s_component,
+	err = devm_snd_soc_register_component(&pdev->dev, &kirkwood_soc_component,
 					 soc_dai, 2);
 	if (err) {
 		dev_err(&pdev->dev, "snd_soc_register_component failed\n");
 		goto err_component;
 	}
 
-	err = snd_soc_register_platform(&pdev->dev, &kirkwood_soc_platform);
-	if (err) {
-		dev_err(&pdev->dev, "snd_soc_register_platform failed\n");
-		goto err_platform;
-	}
-
 	kirkwood_i2s_init(priv);
 
 	return 0;
- err_platform:
-	snd_soc_unregister_component(&pdev->dev);
+
  err_component:
 	if (!IS_ERR(priv->extclk))
 		clk_disable_unprepare(priv->extclk);
@@ -631,9 +618,6 @@ static int kirkwood_i2s_dev_remove(struct platform_device *pdev)
 {
 	struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
-
 	if (!IS_ERR(priv->extclk))
 		clk_disable_unprepare(priv->extclk);
 	clk_disable_unprepare(priv->clk);

sound/soc/kirkwood/kirkwood.h

@@ -12,6 +12,8 @@
 #ifndef _KIRKWOOD_AUDIO_H
 #define _KIRKWOOD_AUDIO_H
 
+#define DRV_NAME	"mvebu-audio"
+
 #define KIRKWOOD_RECORD_WIN			0
 #define KIRKWOOD_PLAYBACK_WIN			1
 #define KIRKWOOD_MAX_AUDIO_WIN			2
@@ -143,6 +145,6 @@ struct kirkwood_dma_data {
 	int burst;
 };
 
-extern const struct snd_soc_platform_driver kirkwood_soc_platform;
+extern const struct snd_soc_component_driver kirkwood_soc_component;
 
 #endif

sound/soc/mediatek/common/mtk-afe-fe-dai.c

@@ -18,6 +18,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <sound/soc.h>
+#include "mtk-afe-platform-driver.h"
 #include "mtk-afe-fe-dai.h"
 #include "mtk-base-afe.h"
 
@@ -43,7 +44,8 @@ int mtk_afe_fe_startup(struct snd_pcm_substream *substream,
 		       struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	int memif_num = rtd->cpu_dai->id;
 	struct mtk_base_afe_memif *memif = &afe->memif[memif_num];
@@ -105,7 +107,8 @@ void mtk_afe_fe_shutdown(struct snd_pcm_substream *substream,
 			 struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int irq_id;
 
@@ -128,7 +131,8 @@ int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream,
 			 struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int msb_at_bit33 = 0;
 	int ret, fs = 0;
@@ -192,7 +196,8 @@ int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime * const runtime = substream->runtime;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	struct mtk_base_afe_irq *irqs = &afe->irqs[memif->irq_usage];
 	const struct mtk_base_irq_data *irq_data = irqs->irq_data;
@@ -255,7 +260,8 @@ int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
 		       struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd  = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int hd_audio = 0;
 

sound/soc/mediatek/common/mtk-afe-platform-driver.c

@@ -25,7 +25,8 @@ static snd_pcm_uframes_t mtk_afe_pcm_pointer
 			 (struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	const struct mtk_base_memif_data *memif_data = memif->data;
 	struct regmap *regmap = afe->regmap;
@@ -65,7 +66,8 @@ static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	size_t size;
 	struct snd_card *card = rtd->card->snd_card;
 	struct snd_pcm *pcm = rtd->pcm;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	size = afe->mtk_afe_hardware->buffer_bytes_max;
 	return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
@@ -77,7 +79,8 @@ static void mtk_afe_pcm_free(struct snd_pcm *pcm)
 	snd_pcm_lib_preallocate_free_for_all(pcm);
 }
 
-const struct snd_soc_platform_driver mtk_afe_pcm_platform = {
+const struct snd_soc_component_driver mtk_afe_pcm_platform = {
+	.name = AFE_PCM_NAME,
 	.ops = &mtk_afe_pcm_ops,
 	.pcm_new = mtk_afe_pcm_new,
 	.pcm_free = mtk_afe_pcm_free,

sound/soc/mediatek/common/mtk-afe-platform-driver.h

@@ -17,7 +17,8 @@
 #ifndef _MTK_AFE_PLATFORM_DRIVER_H_
 #define _MTK_AFE_PLATFORM_DRIVER_H_
 
-extern const struct snd_soc_platform_driver mtk_afe_pcm_platform;
+#define AFE_PCM_NAME "mtk-afe-pcm"
+extern const struct snd_soc_component_driver mtk_afe_pcm_platform;
 
 #endif
 

sound/soc/mediatek/mt2701/mt2701-afe-pcm.c

@@ -93,7 +93,8 @@ static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 
 	if (i2s_num < 0)
@@ -108,7 +109,8 @@ static int mt2701_afe_i2s_path_shutdown(struct snd_pcm_substream *substream,
 					int dir_invert)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	struct mt2701_i2s_path *i2s_path = &afe_priv->i2s_path[i2s_num];
 	const struct mt2701_i2s_data *i2s_data;
@@ -144,7 +146,8 @@ static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream,
 				    struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 	struct mt2701_i2s_path *i2s_path;
@@ -176,7 +179,8 @@ static int mt2701_i2s_path_prepare_enable(struct snd_pcm_substream *substream,
 					  int dir_invert)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	struct mt2701_i2s_path *i2s_path = &afe_priv->i2s_path[i2s_num];
 	const struct mt2701_i2s_data *i2s_data;
@@ -247,7 +251,8 @@ static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream,
 {
 	int clk_domain;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 	struct mt2701_i2s_path *i2s_path;
@@ -312,7 +317,8 @@ static int mt2701_btmrg_startup(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	int ret;
 
@@ -329,7 +335,8 @@ static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int stream_fs;
 	u32 val, msk;
 
@@ -372,7 +379,8 @@ static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 
 	/* if the other direction stream is not occupied */
@@ -392,7 +400,8 @@ static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream,
 				    struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int stream_dir = substream->stream;
 	int memif_num = rtd->cpu_dai->id;
 	struct mtk_base_afe_memif *memif_tmp;
@@ -414,7 +423,8 @@ static int mt2701_simple_fe_hw_params(struct snd_pcm_substream *substream,
 				      struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int stream_dir = substream->stream;
 
 	/* single DL use PAIR_INTERLEAVE */
@@ -431,7 +441,8 @@ static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif_tmp;
 	const struct mtk_base_memif_data *memif_data;
 	int i;
@@ -458,7 +469,8 @@ static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	const struct mtk_base_memif_data *memif_data;
 	int i;
 
@@ -477,7 +489,8 @@ static int mt2701_dlm_fe_hw_params(struct snd_pcm_substream *substream,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int channels = params_channels(params);
 
 	regmap_update_bits(afe->regmap,
@@ -500,7 +513,8 @@ static int mt2701_dlm_fe_trigger(struct snd_pcm_substream *substream,
 				 int cmd, struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1];
 
 	switch (cmd) {
@@ -1517,7 +1531,8 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
 	}
 	pm_runtime_get_sync(dev);
 
-	ret = snd_soc_register_platform(dev, &mtk_afe_pcm_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev, &mtk_afe_pcm_platform,
+					      NULL, 0);
 	if (ret) {
 		dev_warn(dev, "err_platform\n");
 		goto err_platform;
@@ -1526,13 +1541,11 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
 	ret = mt2701_afe_add_component(afe);
 	if (ret) {
 		dev_warn(dev, "err_dai_component\n");
-		goto err_dai_component;
+		goto err_platform;
 	}
 
 	return 0;
 
-err_dai_component:
-	snd_soc_unregister_platform(dev);
 err_platform:
 	pm_runtime_put_sync(dev);
 err_pm_disable:
@@ -1549,7 +1562,6 @@ static int mt2701_afe_pcm_dev_remove(struct platform_device *pdev)
 		mt2701_afe_runtime_suspend(&pdev->dev);
 
 	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
 
 	return 0;
 }

sound/soc/mediatek/mt8173/mt8173-afe-pcm.c

@@ -304,7 +304,8 @@ static int mt8173_afe_i2s_startup(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	if (dai->active)
 		return 0;
@@ -318,7 +319,8 @@ static void mt8173_afe_i2s_shutdown(struct snd_pcm_substream *substream,
 				    struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	if (dai->active)
 		return;
@@ -334,7 +336,8 @@ static int mt8173_afe_i2s_prepare(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime * const runtime = substream->runtime;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 	int ret;
 
@@ -356,7 +359,8 @@ static int mt8173_afe_hdmi_startup(struct snd_pcm_substream *substream,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 
 	if (dai->active)
@@ -371,7 +375,8 @@ static void mt8173_afe_hdmi_shutdown(struct snd_pcm_substream *substream,
 				     struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 
 	if (dai->active)
@@ -386,7 +391,8 @@ static int mt8173_afe_hdmi_prepare(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime * const runtime = substream->runtime;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 
 	unsigned int val;
@@ -449,7 +455,8 @@ static int mt8173_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	dev_info(afe->dev, "%s cmd=%d %s\n", __func__, cmd, dai->name);
 
@@ -498,7 +505,8 @@ static int mt8173_memif_fs(struct snd_pcm_substream *substream,
 			   unsigned int rate)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int fs;
 
@@ -1172,31 +1180,29 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
 	afe->runtime_resume = mt8173_afe_runtime_resume;
 	afe->runtime_suspend = mt8173_afe_runtime_suspend;
 
-	ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					 &mtk_afe_pcm_platform,
+					 NULL, 0);
 	if (ret)
 		goto err_pm_disable;
 
-	ret = snd_soc_register_component(&pdev->dev,
+	ret = devm_snd_soc_register_component(&pdev->dev,
 					 &mt8173_afe_pcm_dai_component,
 					 mt8173_afe_pcm_dais,
 					 ARRAY_SIZE(mt8173_afe_pcm_dais));
 	if (ret)
-		goto err_platform;
+		goto err_pm_disable;
 
-	ret = snd_soc_register_component(&pdev->dev,
+	ret = devm_snd_soc_register_component(&pdev->dev,
 					 &mt8173_afe_hdmi_dai_component,
 					 mt8173_afe_hdmi_dais,
 					 ARRAY_SIZE(mt8173_afe_hdmi_dais));
 	if (ret)
-		goto err_comp;
+		goto err_pm_disable;
 
 	dev_info(&pdev->dev, "MT8173 AFE driver initialized.\n");
 	return 0;
 
-err_comp:
-	snd_soc_unregister_component(&pdev->dev);
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
 	return ret;
@@ -1207,8 +1213,6 @@ static int mt8173_afe_pcm_dev_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		mt8173_afe_runtime_suspend(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
 	return 0;
 }
 

sound/soc/nuc900/nuc900-pcm.c

@@ -299,14 +299,15 @@ static int nuc900_dma_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static const struct snd_soc_platform_driver nuc900_soc_platform = {
+static const struct snd_soc_component_driver nuc900_soc_component = {
 	.ops		= &nuc900_dma_ops,
 	.pcm_new	= nuc900_dma_new,
 };
 
 static int nuc900_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &nuc900_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &nuc900_soc_component,
+					       NULL, 0);
 }
 
 static struct platform_driver nuc900_pcm_driver = {

sound/soc/omap/omap-pcm.c

@@ -243,7 +243,7 @@ out:
 	return ret;
 }
 
-static const struct snd_soc_platform_driver omap_soc_platform = {
+static const struct snd_soc_component_driver omap_soc_component = {
 	.ops		= &omap_pcm_ops,
 	.pcm_new	= omap_pcm_new,
 	.pcm_free	= omap_pcm_free_dma_buffers,
@@ -252,7 +252,8 @@ static const struct snd_soc_platform_driver omap_soc_platform = {
 int omap_pcm_platform_register(struct device *dev)
 {
 	omap_pcm_limit_supported_formats();
-	return devm_snd_soc_register_platform(dev, &omap_soc_platform);
+	return devm_snd_soc_register_component(dev, &omap_soc_component,
+					       NULL, 0);
 }
 EXPORT_SYMBOL_GPL(omap_pcm_platform_register);
 

sound/soc/pxa/mmp-pcm.c

@@ -25,6 +25,8 @@
 #include <sound/soc.h>
 #include <sound/dmaengine_pcm.h>
 
+#define DRV_NAME "mmp-pcm"
+
 struct mmp_dma_data {
 	int ssp_id;
 	struct resource *dma_res;
@@ -100,7 +102,8 @@ static bool filter(struct dma_chan *chan, void *param)
 static int mmp_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct platform_device *pdev = to_platform_device(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct platform_device *pdev = to_platform_device(component->dev);
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct mmp_dma_data dma_data;
 	struct resource *r;
@@ -211,7 +214,8 @@ err:
 	return ret;
 }
 
-static const struct snd_soc_platform_driver mmp_soc_platform = {
+static const struct snd_soc_component_driver mmp_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &mmp_pcm_ops,
 	.pcm_new	= mmp_pcm_new,
 	.pcm_free	= mmp_pcm_free_dma_buffers,
@@ -231,7 +235,8 @@ static int mmp_pcm_probe(struct platform_device *pdev)
 		mmp_pcm_hardware[SNDRV_PCM_STREAM_CAPTURE].period_bytes_max =
 						pdata->period_max_capture;
 	}
-	return devm_snd_soc_register_platform(&pdev->dev, &mmp_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &mmp_soc_component,
+					       NULL, 0);
 }
 
 static struct platform_driver mmp_pcm_driver = {

sound/soc/pxa/pxa2xx-pcm.c

@@ -84,7 +84,7 @@ static int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return ret;
 }
 
-static const struct snd_soc_platform_driver pxa2xx_soc_platform = {
+static const struct snd_soc_component_driver pxa2xx_soc_platform = {
 	.ops		= &pxa2xx_pcm_ops,
 	.pcm_new	= pxa2xx_soc_pcm_new,
 	.pcm_free	= pxa2xx_pcm_free_dma_buffers,
@@ -92,7 +92,8 @@ static const struct snd_soc_platform_driver pxa2xx_soc_platform = {
 
 static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &pxa2xx_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
+					       NULL, 0);
 }
 
 #ifdef CONFIG_OF

sound/soc/qcom/lpass-platform.c

@@ -24,6 +24,8 @@
 #include "lpass-lpaif-reg.h"
 #include "lpass.h"
 
+#define DRV_NAME "lpass-platform"
+
 struct lpass_pcm_data {
 	int dma_ch;
 	int i2s_port;
@@ -61,8 +63,8 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
 	struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct lpass_variant *v = drvdata->variant;
 	int ret, dma_ch, dir = substream->stream;
 	struct lpass_pcm_data *data;
@@ -115,8 +117,8 @@ static int lpass_platform_pcmops_close(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct lpass_variant *v = drvdata->variant;
 	struct lpass_pcm_data *data;
 
@@ -132,8 +134,8 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
 		struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -225,8 +227,8 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
 static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -246,8 +248,8 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -298,8 +300,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
 		int cmd)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -372,8 +374,8 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
 		struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-			snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -509,13 +511,14 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
 {
 	struct snd_pcm *pcm = soc_runtime->pcm;
 	struct snd_pcm_substream *psubstream, *csubstream;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
 	int ret = -EINVAL;
 	size_t size = lpass_platform_pcm_hardware.buffer_bytes_max;
 
 	psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
 	if (psubstream) {
 		ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
-					soc_runtime->platform->dev,
+					component->dev,
 					size, &psubstream->dma_buffer);
 		if (ret) {
 			dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n");
@@ -526,7 +529,7 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
 	csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
 	if (csubstream) {
 		ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
-					soc_runtime->platform->dev,
+					component->dev,
 					size, &csubstream->dma_buffer);
 		if (ret) {
 			dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n");
@@ -555,7 +558,8 @@ static void lpass_platform_pcm_free(struct snd_pcm *pcm)
 	}
 }
 
-static const struct snd_soc_platform_driver lpass_platform_driver = {
+static const struct snd_soc_component_driver lpass_component_driver = {
+	.name		= DRV_NAME,
 	.pcm_new	= lpass_platform_pcm_new,
 	.pcm_free	= lpass_platform_pcm_free,
 	.ops		= &lpass_platform_pcm_ops,
@@ -591,8 +595,8 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev)
 	}
 
 
-	return devm_snd_soc_register_platform(&pdev->dev,
-			&lpass_platform_driver);
+	return devm_snd_soc_register_component(&pdev->dev,
+			&lpass_component_driver, NULL, 0);
 }
 EXPORT_SYMBOL_GPL(asoc_qcom_lpass_platform_register);
 

sound/soc/samsung/idma.c

@@ -399,7 +399,7 @@ void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr)
 }
 EXPORT_SYMBOL_GPL(idma_reg_addr_init);
 
-static const struct snd_soc_platform_driver asoc_idma_platform = {
+static const struct snd_soc_component_driver asoc_idma_platform = {
 	.ops = &idma_ops,
 	.pcm_new = idma_new,
 	.pcm_free = idma_free,
@@ -411,7 +411,8 @@ static int asoc_idma_platform_probe(struct platform_device *pdev)
 	if (idma_irq < 0)
 		return idma_irq;
 
-	return devm_snd_soc_register_platform(&pdev->dev, &asoc_idma_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &asoc_idma_platform,
+					       NULL, 0);
 }
 
 static struct platform_driver asoc_idma_driver = {

sound/soc/sh/dma-sh7760.c

@@ -320,14 +320,15 @@ static int camelot_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static const struct snd_soc_platform_driver sh7760_soc_platform = {
+static const struct snd_soc_component_driver sh7760_soc_component = {
 	.ops		= &camelot_pcm_ops,
 	.pcm_new	= camelot_pcm_new,
 };
 
 static int sh7760_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &sh7760_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &sh7760_soc_component,
+					       NULL, 0);
 }
 
 static struct platform_driver sh7760_pcm_driver = {

sound/soc/sh/fsi.c

@@ -1764,7 +1764,7 @@ static const struct snd_pcm_ops fsi_pcm_ops = {
 };
 
 /*
- *		snd_soc_platform
+ *		snd_soc_component
  */
 
 #define PREALLOC_BUFFER		(32 * 1024)
@@ -1818,13 +1818,10 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = {
 	},
 };
 
-static const struct snd_soc_platform_driver fsi_soc_platform = {
-	.ops		= &fsi_pcm_ops,
-	.pcm_new	= fsi_pcm_new,
-};
-
 static const struct snd_soc_component_driver fsi_soc_component = {
 	.name		= "fsi",
+	.ops		= &fsi_pcm_ops,
+	.pcm_new	= fsi_pcm_new,
 };
 
 /*
@@ -2007,23 +2004,15 @@ static int fsi_probe(struct platform_device *pdev)
 		goto exit_fsib;
 	}
 
-	ret = snd_soc_register_platform(&pdev->dev, &fsi_soc_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "cannot snd soc register\n");
-		goto exit_fsib;
-	}
-
-	ret = snd_soc_register_component(&pdev->dev, &fsi_soc_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &fsi_soc_component,
 				    fsi_soc_dai, ARRAY_SIZE(fsi_soc_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "cannot snd component register\n");
-		goto exit_snd_soc;
+		goto exit_fsib;
 	}
 
 	return ret;
 
-exit_snd_soc:
-	snd_soc_unregister_platform(&pdev->dev);
 exit_fsib:
 	pm_runtime_disable(&pdev->dev);
 	fsi_stream_remove(&master->fsib);
@@ -2041,9 +2030,6 @@ static int fsi_remove(struct platform_device *pdev)
 
 	pm_runtime_disable(&pdev->dev);
 
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
-
 	fsi_stream_remove(&master->fsia);
 	fsi_stream_remove(&master->fsib);
 

sound/soc/sh/rcar/core.c

@@ -1337,7 +1337,7 @@ int rsnd_kctrl_new(struct rsnd_mod *mod,
 }
 
 /*
- *		snd_soc_platform
+ *		snd_soc_component
  */
 
 #define PREALLOC_BUFFER		(32 * 1024)
@@ -1364,12 +1364,9 @@ static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
 		PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
 }
 
-static const struct snd_soc_platform_driver rsnd_soc_platform = {
+static const struct snd_soc_component_driver rsnd_soc_component = {
 	.ops		= &rsnd_pcm_ops,
 	.pcm_new	= rsnd_pcm_new,
-};
-
-static const struct snd_soc_component_driver rsnd_soc_component = {
 	.name		= "rsnd",
 };
 
@@ -1478,17 +1475,11 @@ static int rsnd_probe(struct platform_device *pdev)
 	/*
 	 *	asoc register
 	 */
-	ret = snd_soc_register_platform(dev, &rsnd_soc_platform);
-	if (ret < 0) {
-		dev_err(dev, "cannot snd soc register\n");
-		return ret;
-	}
-
-	ret = snd_soc_register_component(dev, &rsnd_soc_component,
+	ret = devm_snd_soc_register_component(dev, &rsnd_soc_component,
 					 priv->daidrv, rsnd_rdai_nr(priv));
 	if (ret < 0) {
 		dev_err(dev, "cannot snd dai register\n");
-		goto exit_snd_soc;
+		goto exit_snd_probe;
 	}
 
 	pm_runtime_enable(dev);
@@ -1496,8 +1487,6 @@ static int rsnd_probe(struct platform_device *pdev)
 	dev_info(dev, "probed\n");
 	return ret;
 
-exit_snd_soc:
-	snd_soc_unregister_platform(dev);
 exit_snd_probe:
 	for_each_rsnd_dai(rdai, priv, i) {
 		rsnd_dai_call(remove, &rdai->playback, priv);
@@ -1535,9 +1524,6 @@ static int rsnd_remove(struct platform_device *pdev)
 	for (i = 0; i < ARRAY_SIZE(remove_func); i++)
 		remove_func[i](priv);
 
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
-
 	return ret;
 }
 

sound/soc/sh/siu.h

@@ -183,7 +183,7 @@ static inline u32 siu_read32(u32 __iomem *addr)
 #define SIU_BRGBSEL	(0x108 / sizeof(u32))
 #define SIU_BRRB	(0x10c / sizeof(u32))
 
-extern struct snd_soc_platform_driver siu_platform;
+extern struct snd_soc_component_driver siu_component;
 extern struct siu_info *siu_i2s_data;
 
 int siu_init_port(int port, struct siu_port **port_info, struct snd_card *card);

sound/soc/sh/siu_dai.c

@@ -727,10 +727,6 @@ static struct snd_soc_dai_driver siu_i2s_dai = {
 	.ops = &siu_dai_ops,
 };
 
-static const struct snd_soc_component_driver siu_i2s_component = {
-	.name		= "siu-i2s",
-};
-
 static int siu_probe(struct platform_device *pdev)
 {
 	const struct firmware *fw_entry;
@@ -786,15 +782,11 @@ static int siu_probe(struct platform_device *pdev)
 	dev_set_drvdata(&pdev->dev, info);
 
 	/* register using ARRAY version so we can keep dai name */
-	ret = devm_snd_soc_register_component(&pdev->dev, &siu_i2s_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &siu_component,
 					      &siu_i2s_dai, 1);
 	if (ret < 0)
 		return ret;
 
-	ret = devm_snd_soc_register_platform(&pdev->dev, &siu_platform);
-	if (ret < 0)
-		return ret;
-
 	pm_runtime_enable(&pdev->dev);
 
 	return 0;

sound/soc/sh/siu_pcm.c

@@ -35,6 +35,7 @@
 
 #include "siu.h"
 
+#define DRV_NAME "siu-i2s"
 #define GET_MAX_PERIODS(buf_bytes, period_bytes) \
 				((buf_bytes) / (period_bytes))
 #define PERIOD_OFFSET(buf_addr, period_num, period_bytes) \
@@ -340,7 +341,8 @@ static int siu_pcm_open(struct snd_pcm_substream *ss)
 {
 	/* Playback / Capture */
 	struct snd_soc_pcm_runtime *rtd = ss->private_data;
-	struct siu_platform *pdata = rtd->platform->dev->platform_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct siu_platform *pdata = component->dev->platform_data;
 	struct siu_info *info = siu_i2s_data;
 	struct siu_port *port_info = siu_port_info(ss);
 	struct siu_stream *siu_stream;
@@ -604,9 +606,10 @@ static const struct snd_pcm_ops siu_pcm_ops = {
 	.pointer	= siu_pcm_pointer_dma,
 };
 
-struct snd_soc_platform_driver siu_platform = {
+struct snd_soc_component_driver siu_component = {
+	.name		= DRV_NAME,
 	.ops			= &siu_pcm_ops,
 	.pcm_new	= siu_pcm_new,
 	.pcm_free	= siu_pcm_free,
 };
-EXPORT_SYMBOL_GPL(siu_platform);
+EXPORT_SYMBOL_GPL(siu_component);

sound/soc/soc-core.c

@@ -1162,11 +1162,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
 
 		rtd->platform = platform;
 	}
-	if (!rtd->platform) {
-		dev_err(card->dev, "ASoC: platform %s not registered\n",
-			dai_link->platform_name);
-		goto _err_defer;
-	}
 
 	soc_add_pcm_runtime(card, rtd);
 	return 0;

sound/soc/soc-generic-dmaengine-pcm.c

@@ -33,13 +33,13 @@
 struct dmaengine_pcm {
 	struct dma_chan *chan[SNDRV_PCM_STREAM_LAST + 1];
 	const struct snd_dmaengine_pcm_config *config;
-	struct snd_soc_platform platform;
+	struct snd_soc_component component;
 	unsigned int flags;
 };
 
-static struct dmaengine_pcm *soc_platform_to_pcm(struct snd_soc_platform *p)
+static struct dmaengine_pcm *soc_component_to_pcm(struct snd_soc_component *p)
 {
-	return container_of(p, struct dmaengine_pcm, platform);
+	return container_of(p, struct dmaengine_pcm, component);
 }
 
 static struct device *dmaengine_dma_dev(struct dmaengine_pcm *pcm,
@@ -88,7 +88,9 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);
 	int (*prepare_slave_config)(struct snd_pcm_substream *substream,
 			struct snd_pcm_hw_params *params,
@@ -119,7 +121,9 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
 static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct device *dma_dev = dmaengine_dma_dev(pcm, substream);
 	struct dma_chan *chan = pcm->chan[substream->stream];
 	struct snd_dmaengine_dai_dma_data *dma_data;
@@ -206,7 +210,9 @@ static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substrea
 static int dmaengine_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct dma_chan *chan = pcm->chan[substream->stream];
 	int ret;
 
@@ -221,7 +227,9 @@ static struct dma_chan *dmaengine_pcm_compat_request_channel(
 	struct snd_soc_pcm_runtime *rtd,
 	struct snd_pcm_substream *substream)
 {
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct snd_dmaengine_dai_dma_data *dma_data;
 	dma_filter_fn fn = NULL;
 
@@ -260,9 +268,11 @@ static bool dmaengine_pcm_can_report_residue(struct device *dev,
 
 static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	const struct snd_dmaengine_pcm_config *config = pcm->config;
-	struct device *dev = rtd->platform->dev;
+	struct device *dev = component->dev;
 	struct snd_dmaengine_dai_dma_data *dma_data;
 	struct snd_pcm_substream *substream;
 	size_t prealloc_buffer_size;
@@ -296,7 +306,7 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 		}
 
 		if (!pcm->chan[i]) {
-			dev_err(rtd->platform->dev,
+			dev_err(component->dev,
 				"Missing dma channel for stream: %d\n", i);
 			return -EINVAL;
 		}
@@ -320,7 +330,9 @@ static snd_pcm_uframes_t dmaengine_pcm_pointer(
 	struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 
 	if (pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_RESIDUE)
 		return snd_dmaengine_pcm_pointer_no_residue(substream);
@@ -338,10 +350,9 @@ static const struct snd_pcm_ops dmaengine_pcm_ops = {
 	.pointer	= dmaengine_pcm_pointer,
 };
 
-static const struct snd_soc_platform_driver dmaengine_pcm_platform = {
-	.component_driver = {
-		.probe_order = SND_SOC_COMP_ORDER_LATE,
-	},
+static const struct snd_soc_component_driver dmaengine_pcm_component = {
+	.name		= SND_DMAENGINE_PCM_DRV_NAME,
+	.probe_order	= SND_SOC_COMP_ORDER_LATE,
 	.ops		= &dmaengine_pcm_ops,
 	.pcm_new	= dmaengine_pcm_new,
 };
@@ -441,8 +452,8 @@ int snd_dmaengine_pcm_register(struct device *dev,
 	if (ret)
 		goto err_free_dma;
 
-	ret = snd_soc_add_platform(dev, &pcm->platform,
-		&dmaengine_pcm_platform);
+	ret = snd_soc_add_component(dev, &pcm->component,
+				    &dmaengine_pcm_component, NULL, 0);
 	if (ret)
 		goto err_free_dma;
 
@@ -464,16 +475,16 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_register);
  */
 void snd_dmaengine_pcm_unregister(struct device *dev)
 {
-	struct snd_soc_platform *platform;
+	struct snd_soc_component *component;
 	struct dmaengine_pcm *pcm;
 
-	platform = snd_soc_lookup_platform(dev);
-	if (!platform)
+	component = snd_soc_lookup_component(dev, SND_DMAENGINE_PCM_DRV_NAME);
+	if (!component)
 		return;
 
-	pcm = soc_platform_to_pcm(platform);
+	pcm = soc_component_to_pcm(component);
 
-	snd_soc_remove_platform(platform);
+	snd_soc_unregister_component(dev);
 	dmaengine_pcm_release_chan(pcm);
 	kfree(pcm);
 }

sound/soc/soc-utils.c

@@ -284,11 +284,16 @@ static const struct snd_pcm_ops dummy_dma_ops = {
 	.ioctl		= snd_pcm_lib_ioctl,
 };
 
-static const struct snd_soc_platform_driver dummy_platform = {
+static const struct snd_soc_component_driver dummy_platform = {
 	.ops = &dummy_dma_ops,
 };
 
-static const struct snd_soc_codec_driver dummy_codec;
+static const struct snd_soc_component_driver dummy_codec = {
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
 
 #define STUB_RATES	SNDRV_PCM_RATE_8000_192000
 #define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S8 | \
@@ -338,33 +343,22 @@ static int snd_soc_dummy_probe(struct platform_device *pdev)
 {
 	int ret;
 
-	ret = snd_soc_register_codec(&pdev->dev, &dummy_codec, &dummy_dai, 1);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &dummy_codec, &dummy_dai, 1);
 	if (ret < 0)
 		return ret;
 
-	ret = snd_soc_register_platform(&pdev->dev, &dummy_platform);
-	if (ret < 0) {
-		snd_soc_unregister_codec(&pdev->dev);
-		return ret;
-	}
+	ret = devm_snd_soc_register_component(&pdev->dev, &dummy_platform,
+					      NULL, 0);
 
 	return ret;
 }
 
-static int snd_soc_dummy_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_codec(&pdev->dev);
-
-	return 0;
-}
-
 static struct platform_driver soc_dummy_driver = {
 	.driver = {
 		.name = "snd-soc-dummy",
 	},
 	.probe = snd_soc_dummy_probe,
-	.remove = snd_soc_dummy_remove,
 };
 
 static struct platform_device *soc_dummy_dev;

sound/soc/stm/stm32_adfsdm.c

@@ -281,7 +281,7 @@ static void stm32_adfsdm_pcm_free(struct snd_pcm *pcm)
 	}
 }
 
-static struct snd_soc_platform_driver stm32_adfsdm_soc_platform = {
+static struct snd_soc_component_driver stm32_adfsdm_soc_platform = {
 	.ops		= &stm32_adfsdm_pcm_ops,
 	.pcm_new	= stm32_adfsdm_pcm_new,
 	.pcm_free	= stm32_adfsdm_pcm_free,
@@ -322,8 +322,9 @@ static int stm32_adfsdm_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->iio_cb))
 		return PTR_ERR(priv->iio_cb);
 
-	ret = devm_snd_soc_register_platform(&pdev->dev,
-					     &stm32_adfsdm_soc_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &stm32_adfsdm_soc_platform,
+					      NULL, 0);
 	if (ret < 0)
 		dev_err(&pdev->dev, "%s: Failed to register PCM platform\n",
 			__func__);

sound/soc/txx9/txx9aclc.c

@@ -23,6 +23,8 @@
 #include <sound/soc.h>
 #include "txx9aclc.h"
 
+#define DRV_NAME "txx9aclc"
+
 static struct txx9aclc_soc_device {
 	struct txx9aclc_dmadata dmadata[2];
 } txx9aclc_soc_device;
@@ -53,6 +55,7 @@ static int txx9aclc_pcm_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct txx9aclc_dmadata *dmadata = runtime->private_data;
 	int ret;
 
@@ -60,13 +63,13 @@ static int txx9aclc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (ret < 0)
 		return ret;
 
-	dev_dbg(rtd->platform->dev,
+	dev_dbg(component->dev,
 		"runtime->dma_area = %#lx dma_addr = %#lx dma_bytes = %zd "
 		"runtime->min_align %ld\n",
 		(unsigned long)runtime->dma_area,
 		(unsigned long)runtime->dma_addr, runtime->dma_bytes,
 		runtime->min_align);
-	dev_dbg(rtd->platform->dev,
+	dev_dbg(component->dev,
 		"periods %d period_bytes %d stream %d\n",
 		params_periods(params), params_period_bytes(params),
 		substream->stream);
@@ -287,7 +290,8 @@ static int txx9aclc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	struct snd_card *card = rtd->card->snd_card;
 	struct snd_soc_dai *dai = rtd->cpu_dai;
 	struct snd_pcm *pcm = rtd->pcm;
-	struct platform_device *pdev = to_platform_device(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct platform_device *pdev = to_platform_device(component->dev);
 	struct txx9aclc_soc_device *dev;
 	struct resource *r;
 	int i;
@@ -371,15 +375,15 @@ static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
 	return 0;
 }
 
-static int txx9aclc_pcm_probe(struct snd_soc_platform *platform)
+static int txx9aclc_pcm_probe(struct snd_soc_component *component)
 {
-	snd_soc_platform_set_drvdata(platform, &txx9aclc_soc_device);
+	snd_soc_component_set_drvdata(component, &txx9aclc_soc_device);
 	return 0;
 }
 
-static int txx9aclc_pcm_remove(struct snd_soc_platform *platform)
+static void txx9aclc_pcm_remove(struct snd_soc_component *component)
 {
-	struct txx9aclc_soc_device *dev = snd_soc_platform_get_drvdata(platform);
+	struct txx9aclc_soc_device *dev = snd_soc_component_get_drvdata(component);
 	struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
 	void __iomem *base = drvdata->base;
 	int i;
@@ -400,10 +404,10 @@ static int txx9aclc_pcm_remove(struct snd_soc_platform *platform)
 		}
 		dev->dmadata[i].dma_chan = NULL;
 	}
-	return 0;
 }
 
-static const struct snd_soc_platform_driver txx9aclc_soc_platform = {
+static const struct snd_soc_component_driver txx9aclc_soc_component = {
+	.name		= DRV_NAME,
 	.probe		= txx9aclc_pcm_probe,
 	.remove		= txx9aclc_pcm_remove,
 	.ops		= &txx9aclc_pcm_ops,
@@ -412,8 +416,8 @@ static const struct snd_soc_platform_driver txx9aclc_soc_platform = {
 
 static int txx9aclc_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &txx9aclc_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&txx9aclc_soc_component, NULL, 0);
 }
 
 static struct platform_driver txx9aclc_pcm_driver = {

sound/soc/xtensa/xtfpga-i2s.c

@@ -483,13 +483,10 @@ static const struct snd_pcm_ops xtfpga_pcm_ops = {
 	.pointer	= xtfpga_pcm_pointer,
 };
 
-static const struct snd_soc_platform_driver xtfpga_soc_platform = {
-	.pcm_new	= xtfpga_pcm_new,
-	.ops		= &xtfpga_pcm_ops,
-};
-
 static const struct snd_soc_component_driver xtfpga_i2s_component = {
 	.name		= DRV_NAME,
+	.pcm_new	= xtfpga_pcm_new,
+	.ops		= &xtfpga_pcm_ops,
 };
 
 static const struct snd_soc_dai_ops xtfpga_i2s_dai_ops = {
@@ -591,18 +588,13 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	err = snd_soc_register_platform(&pdev->dev, &xtfpga_soc_platform);
-	if (err < 0) {
-		dev_err(&pdev->dev, "couldn't register platform\n");
-		goto err;
-	}
 	err = devm_snd_soc_register_component(&pdev->dev,
 					      &xtfpga_i2s_component,
 					      xtfpga_i2s_dai,
 					      ARRAY_SIZE(xtfpga_i2s_dai));
 	if (err < 0) {
 		dev_err(&pdev->dev, "couldn't register component\n");
-		goto err_unregister_platform;
+		goto err;
 	}
 
 	pm_runtime_enable(&pdev->dev);
@@ -615,8 +607,6 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
 
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
-err_unregister_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err:
 	dev_err(&pdev->dev, "%s: err = %d\n", __func__, err);
 	return err;
@@ -626,7 +616,6 @@ static int xtfpga_i2s_remove(struct platform_device *pdev)
 {
 	struct xtfpga_i2s *i2s = dev_get_drvdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
 	if (i2s->regmap && !IS_ERR(i2s->regmap)) {
 		regmap_write(i2s->regmap, XTFPGA_I2S_CONFIG, 0);
 		regmap_write(i2s->regmap, XTFPGA_I2S_INT_MASK, 0);