5 files changed, 220 insertions, 113 deletions

diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index 0180b286bee3..105ec3a6e30d 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -13,6 +13,7 @@
 #include <linux/clk.h>
 #include <linux/device.h>
 #include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
@@ -30,6 +31,34 @@ struct graph_card_data {
 		struct asoc_simple_dai codec_dai;
 	} *dai_props;
 	struct snd_soc_dai_link *dai_link;
+	struct gpio_desc *pa_gpio;
+};
+
+static int asoc_graph_card_outdrv_event(struct snd_soc_dapm_widget *w,
+					struct snd_kcontrol *kcontrol,
+					int event)
+{
+	struct snd_soc_dapm_context *dapm = w->dapm;
+	struct graph_card_data *priv = snd_soc_card_get_drvdata(dapm->card);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		gpiod_set_value_cansleep(priv->pa_gpio, 1);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		gpiod_set_value_cansleep(priv->pa_gpio, 0);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget asoc_graph_card_dapm_widgets[] = {
+	SND_SOC_DAPM_OUT_DRV_E("Amplifier", SND_SOC_NOPM,
+			       0, 0, NULL, 0, asoc_graph_card_outdrv_event,
+			       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 };
 
 #define graph_priv_to_card(priv) (&(priv)->snd_card)
@@ -44,13 +73,13 @@ static int asoc_graph_card_startup(struct snd_pcm_substream *substream)
 	struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
 	int ret;
 
-	ret = clk_prepare_enable(dai_props->cpu_dai.clk);
+	ret = asoc_simple_card_clk_enable(&dai_props->cpu_dai);
 	if (ret)
 		return ret;
 
-	ret = clk_prepare_enable(dai_props->codec_dai.clk);
+	ret = asoc_simple_card_clk_enable(&dai_props->codec_dai);
 	if (ret)
-		clk_disable_unprepare(dai_props->cpu_dai.clk);
+		asoc_simple_card_clk_disable(&dai_props->cpu_dai);
 
 	return ret;
 }
@@ -61,9 +90,9 @@ static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream)
 	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
 	struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
 
-	clk_disable_unprepare(dai_props->cpu_dai.clk);
+	asoc_simple_card_clk_disable(&dai_props->cpu_dai);
 
-	clk_disable_unprepare(dai_props->codec_dai.clk);
+	asoc_simple_card_clk_disable(&dai_props->codec_dai);
 }
 
 static struct snd_soc_ops asoc_graph_card_ops = {
@@ -100,7 +129,6 @@ static int asoc_graph_card_dai_link_of(struct device_node *cpu_port,
 	struct graph_dai_props *dai_props = graph_priv_to_props(priv, idx);
 	struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai;
 	struct asoc_simple_dai *codec_dai = &dai_props->codec_dai;
-	struct snd_soc_card *card = graph_priv_to_card(priv);
 	struct device_node *cpu_ep    = of_get_next_child(cpu_port, NULL);
 	struct device_node *codec_ep = of_graph_get_remote_endpoint(cpu_ep);
 	struct device_node *rcpu_ep = of_graph_get_remote_endpoint(codec_ep);
@@ -131,19 +159,11 @@ static int asoc_graph_card_dai_link_of(struct device_node *cpu_port,
 	if (ret < 0)
 		goto dai_link_of_err;
 
-	ret = snd_soc_of_parse_tdm_slot(cpu_ep,
-					&cpu_dai->tx_slot_mask,
-					&cpu_dai->rx_slot_mask,
-					&cpu_dai->slots,
-					&cpu_dai->slot_width);
+	ret = asoc_simple_card_of_parse_tdm(cpu_ep, cpu_dai);
 	if (ret < 0)
 		goto dai_link_of_err;
 
-	ret = snd_soc_of_parse_tdm_slot(codec_ep,
-					&codec_dai->tx_slot_mask,
-					&codec_dai->rx_slot_mask,
-					&codec_dai->slots,
-					&codec_dai->slot_width);
+	ret = asoc_simple_card_of_parse_tdm(codec_ep, codec_dai);
 	if (ret < 0)
 		goto dai_link_of_err;
 
@@ -170,7 +190,7 @@ static int asoc_graph_card_dai_link_of(struct device_node *cpu_port,
 	dai_link->init = asoc_graph_card_dai_init;
 
 	asoc_simple_card_canonicalize_cpu(dai_link,
-					  card->num_links == 1);
+		of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1);
 
 dai_link_of_err:
 	of_node_put(cpu_ep);
@@ -189,8 +209,16 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	int rc, idx = 0;
 	int ret;
 
+	ret = asoc_simple_card_of_parse_widgets(card, NULL);
+	if (ret < 0)
+		return ret;
+
+	ret = asoc_simple_card_of_parse_routing(card, NULL, 1);
+	if (ret < 0)
+		return ret;
+
 	/*
-	 * we need to consider "widgets", "routing", "mclk-fs" around here
+	 * we need to consider "mclk-fs" around here
 	 * see simple-card
 	 */
 
@@ -242,6 +270,13 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
 	if (!dai_props || !dai_link)
 		return -ENOMEM;
 
+	priv->pa_gpio = devm_gpiod_get_optional(dev, "pa", GPIOD_OUT_LOW);
+	if (IS_ERR(priv->pa_gpio)) {
+		ret = PTR_ERR(priv->pa_gpio);
+		dev_err(dev, "failed to get amplifier gpio: %d\n", ret);
+		return ret;
+	}
+
 	priv->dai_props			= dai_props;
 	priv->dai_link			= dai_link;
 
@@ -251,6 +286,8 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
 	card->dev	= dev;
 	card->dai_link	= dai_link;
 	card->num_links	= num;
+	card->dapm_widgets = asoc_graph_card_dapm_widgets;
+	card->num_dapm_widgets = ARRAY_SIZE(asoc_graph_card_dapm_widgets);
 
 	ret = asoc_graph_card_parse_of(priv);
 	if (ret < 0) {
diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c
index 0066102f5bc4..dcd2df37bc3b 100644
--- a/sound/soc/generic/audio-graph-scu-card.c
+++ b/sound/soc/generic/audio-graph-scu-card.c
@@ -30,8 +30,7 @@ struct graph_card_data {
 	struct snd_soc_codec_conf codec_conf;
 	struct asoc_simple_dai *dai_props;
 	struct snd_soc_dai_link *dai_link;
-	u32 convert_rate;
-	u32 convert_channels;
+	struct asoc_simple_card_data adata;
 };
 
 #define graph_priv_to_card(priv) (&(priv)->snd_card)
@@ -45,7 +44,7 @@ static int asoc_graph_card_startup(struct snd_pcm_substream *substream)
 	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
 	struct asoc_simple_dai *dai_props = graph_priv_to_props(priv, rtd->num);
 
-	return clk_prepare_enable(dai_props->clk);
+	return asoc_simple_card_clk_enable(dai_props);
 }
 
 static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream)
@@ -54,7 +53,7 @@ static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream)
 	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
 	struct asoc_simple_dai *dai_props = graph_priv_to_props(priv, rtd->num);
 
-	clk_disable_unprepare(dai_props->clk);
+	asoc_simple_card_clk_disable(dai_props);
 }
 
 static struct snd_soc_ops asoc_graph_card_ops = {
@@ -83,18 +82,8 @@ static int asoc_graph_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 					       struct snd_pcm_hw_params *params)
 {
 	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
-	struct snd_interval *rate = hw_param_interval(params,
-						      SNDRV_PCM_HW_PARAM_RATE);
-	struct snd_interval *channels = hw_param_interval(params,
-							  SNDRV_PCM_HW_PARAM_CHANNELS);
 
-	if (priv->convert_rate)
-		rate->min =
-		rate->max = priv->convert_rate;
-
-	if (priv->convert_channels)
-		channels->min =
-		channels->max = priv->convert_channels;
+	asoc_simple_card_convert_fixup(&priv->adata, params);
 
 	return 0;
 }
@@ -136,7 +125,7 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,
 
 		/* card->num_links includes Codec */
 		asoc_simple_card_canonicalize_cpu(dai_link,
-					(card->num_links - 1) == 1);
+			of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1);
 	} else {
 		/* FE is dummy */
 		dai_link->cpu_of_node		= NULL;
@@ -167,11 +156,7 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,
 					      "prefix");
 	}
 
-	ret = snd_soc_of_parse_tdm_slot(ep,
-					&dai_props->tx_slot_mask,
-					&dai_props->rx_slot_mask,
-					&dai_props->slots,
-					&dai_props->slot_width);
+	ret = asoc_simple_card_of_parse_tdm(ep, dai_props);
 	if (ret)
 		return ret;
 
@@ -198,6 +183,8 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	struct device_node *cpu_ep;
 	struct device_node *codec_ep;
 	struct device_node *rcpu_ep;
+	struct device_node *codec_port;
+	struct device_node *codec_port_old;
 	unsigned int daifmt = 0;
 	int dai_idx, ret;
 	int rc, codec;
@@ -210,15 +197,11 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	 * see simple-card
 	 */
 
-	ret = snd_soc_of_parse_audio_routing(card, "routing");
-	if (ret)
+	ret = asoc_simple_card_of_parse_routing(card, NULL, 0);
+	if (ret < 0)
 		return ret;
 
-	/* sampling rate convert */
-	of_property_read_u32(node, "convert-rate", &priv->convert_rate);
-
-	/* channels transfer */
-	of_property_read_u32(node, "convert-channels", &priv->convert_channels);
+	asoc_simple_card_parse_convert(dev, NULL, &priv->adata);
 
 	/*
 	 * it supports multi CPU, single CODEC only here
@@ -254,6 +237,7 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	}
 
 	dai_idx = 0;
+	codec_port_old = NULL;
 	for (codec = 0; codec < 2; codec++) {
 		/*
 		 * To listup valid sounds continuously,
@@ -264,15 +248,22 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 			cpu_port = it.node;
 			cpu_ep   = of_get_next_child(cpu_port, NULL);
 			codec_ep = of_graph_get_remote_endpoint(cpu_ep);
+			codec_port = of_graph_get_port_parent(codec_ep);
 
 			of_node_put(cpu_port);
 			of_node_put(cpu_ep);
 			of_node_put(codec_ep);
+			of_node_put(codec_port);
 
 			if (codec) {
-				if (!codec_ep)
+				if (!codec_port)
 					continue;
 
+				if (codec_port_old == codec_port)
+					continue;
+
+				codec_port_old = codec_port;
+
 				/* Back-End (= Codec) */
 				ret = asoc_graph_card_dai_link_of(codec_ep, priv, daifmt, dai_idx++, 0);
 				if (ret < 0)
@@ -290,9 +281,6 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	if (ret)
 		goto parse_of_err;
 
-	dev_dbg(dev, "convert_rate     %d\n", priv->convert_rate);
-	dev_dbg(dev, "convert_channels %d\n", priv->convert_channels);
-
 	ret = 0;
 
 parse_of_err:
@@ -306,22 +294,34 @@ static int asoc_graph_get_dais_count(struct device *dev)
 	struct device_node *cpu_port;
 	struct device_node *cpu_ep;
 	struct device_node *codec_ep;
+	struct device_node *codec_port;
+	struct device_node *codec_port_old;
 	int count = 0;
 	int rc;
 
+	codec_port_old = NULL;
 	of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
 		cpu_port = it.node;
 		cpu_ep   = of_get_next_child(cpu_port, NULL);
 		codec_ep = of_graph_get_remote_endpoint(cpu_ep);
+		codec_port = of_graph_get_port_parent(codec_ep);
 
 		of_node_put(cpu_port);
 		of_node_put(cpu_ep);
 		of_node_put(codec_ep);
+		of_node_put(codec_port);
 
 		if (cpu_ep)
 			count++;
-		if (codec_ep)
-			count++;
+
+		if (!codec_port)
+			continue;
+
+		if (codec_port_old == codec_port)
+			continue;
+
+		count++;
+		codec_port_old = codec_port;
 	}
 
 	return count;
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index d9d8b8a58348..26d64fa40c9c 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -13,6 +13,46 @@
 #include <linux/of_graph.h>
 #include <sound/simple_card_utils.h>
 
+void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data,
+				    struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *rate = hw_param_interval(params,
+						SNDRV_PCM_HW_PARAM_RATE);
+	struct snd_interval *channels = hw_param_interval(params,
+						SNDRV_PCM_HW_PARAM_CHANNELS);
+
+	if (data->convert_rate)
+		rate->min =
+		rate->max = data->convert_rate;
+
+	if (data->convert_channels)
+		channels->min =
+		channels->max = data->convert_channels;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_convert_fixup);
+
+void asoc_simple_card_parse_convert(struct device *dev, char *prefix,
+				    struct asoc_simple_card_data *data)
+{
+	struct device_node *np = dev->of_node;
+	char prop[128];
+
+	if (!prefix)
+		prefix = "";
+
+	/* sampling rate convert */
+	snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-rate");
+	of_property_read_u32(np, prop, &data->convert_rate);
+
+	/* channels transfer */
+	snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-channels");
+	of_property_read_u32(np, prop, &data->convert_channels);
+
+	dev_dbg(dev, "convert_rate     %d\n", data->convert_rate);
+	dev_dbg(dev, "convert_channels %d\n", data->convert_channels);
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_parse_convert);
+
 int asoc_simple_card_parse_daifmt(struct device *dev,
 				  struct device_node *node,
 				  struct device_node *codec,
@@ -110,6 +150,24 @@ int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
 }
 EXPORT_SYMBOL_GPL(asoc_simple_card_parse_card_name);
 
+static void asoc_simple_card_clk_register(struct asoc_simple_dai *dai,
+					  struct clk *clk)
+{
+	dai->clk = clk;
+}
+
+int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai)
+{
+	return clk_prepare_enable(dai->clk);
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_clk_enable);
+
+void asoc_simple_card_clk_disable(struct asoc_simple_dai *dai)
+{
+	clk_disable_unprepare(dai->clk);
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_clk_disable);
+
 int asoc_simple_card_parse_clk(struct device *dev,
 			       struct device_node *node,
 			       struct device_node *dai_of_node,
@@ -128,7 +186,8 @@ int asoc_simple_card_parse_clk(struct device *dev,
 	clk = devm_get_clk_from_child(dev, node, NULL);
 	if (!IS_ERR(clk)) {
 		simple_dai->sysclk = clk_get_rate(clk);
-		simple_dai->clk = clk;
+
+		asoc_simple_card_clk_register(simple_dai, clk);
 	} else if (!of_property_read_u32(node, "system-clock-frequency", &val)) {
 		simple_dai->sysclk = val;
 	} else {
@@ -316,6 +375,47 @@ int asoc_simple_card_clean_reference(struct snd_soc_card *card)
 }
 EXPORT_SYMBOL_GPL(asoc_simple_card_clean_reference);
 
+int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
+				      char *prefix,
+				      int optional)
+{
+	struct device_node *node = card->dev->of_node;
+	char prop[128];
+
+	if (!prefix)
+		prefix = "";
+
+	snprintf(prop, sizeof(prop), "%s%s", prefix, "routing");
+
+	if (!of_property_read_bool(node, prop)) {
+		if (optional)
+			return 0;
+		return -EINVAL;
+	}
+
+	return snd_soc_of_parse_audio_routing(card, prop);
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_of_parse_routing);
+
+int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card,
+				      char *prefix)
+{
+	struct device_node *node = card->dev->of_node;
+	char prop[128];
+
+	if (!prefix)
+		prefix = "";
+
+	snprintf(prop, sizeof(prop), "%s%s", prefix, "widgets");
+
+	if (of_property_read_bool(node, prop))
+		return snd_soc_of_parse_audio_simple_widgets(card, prop);
+
+	/* no widgets is not error */
+	return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_of_parse_widgets);
+
 /* Module information */
 MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
 MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 1df69701eb12..dfaf48ff88b0 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -118,13 +118,13 @@ static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
 		simple_priv_to_props(priv, rtd->num);
 	int ret;
 
-	ret = clk_prepare_enable(dai_props->cpu_dai.clk);
+	ret = asoc_simple_card_clk_enable(&dai_props->cpu_dai);
 	if (ret)
 		return ret;
 
-	ret = clk_prepare_enable(dai_props->codec_dai.clk);
+	ret = asoc_simple_card_clk_enable(&dai_props->codec_dai);
 	if (ret)
-		clk_disable_unprepare(dai_props->cpu_dai.clk);
+		asoc_simple_card_clk_disable(&dai_props->cpu_dai);
 
 	return ret;
 }
@@ -136,9 +136,9 @@ static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream)
 	struct simple_dai_props *dai_props =
 		simple_priv_to_props(priv, rtd->num);
 
-	clk_disable_unprepare(dai_props->cpu_dai.clk);
+	asoc_simple_card_clk_disable(&dai_props->cpu_dai);
 
-	clk_disable_unprepare(dai_props->codec_dai.clk);
+	asoc_simple_card_clk_disable(&dai_props->codec_dai);
 }
 
 static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream,
@@ -233,13 +233,19 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
 	snprintf(prop, sizeof(prop), "%scpu", prefix);
 	cpu = of_get_child_by_name(node, prop);
 
+	if (!cpu) {
+		ret = -EINVAL;
+		dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop);
+		goto dai_link_of_err;
+	}
+
 	snprintf(prop, sizeof(prop), "%splat", prefix);
 	plat = of_get_child_by_name(node, prop);
 
 	snprintf(prop, sizeof(prop), "%scodec", prefix);
 	codec = of_get_child_by_name(node, prop);
 
-	if (!cpu || !codec) {
+	if (!codec) {
 		ret = -EINVAL;
 		dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop);
 		goto dai_link_of_err;
@@ -265,17 +271,11 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
 	if (ret < 0)
 		goto dai_link_of_err;
 
-	ret = snd_soc_of_parse_tdm_slot(cpu,	&cpu_dai->tx_slot_mask,
-						&cpu_dai->rx_slot_mask,
-						&cpu_dai->slots,
-						&cpu_dai->slot_width);
+	ret = asoc_simple_card_of_parse_tdm(cpu, cpu_dai);
 	if (ret < 0)
 		goto dai_link_of_err;
 
-	ret = snd_soc_of_parse_tdm_slot(codec,	&codec_dai->tx_slot_mask,
-						&codec_dai->rx_slot_mask,
-						&codec_dai->slots,
-						&codec_dai->slot_width);
+	ret = asoc_simple_card_of_parse_tdm(codec, codec_dai);
 	if (ret < 0)
 		goto dai_link_of_err;
 
@@ -341,12 +341,12 @@ static int asoc_simple_card_parse_aux_devs(struct device_node *node,
 	return 0;
 }
 
-static int asoc_simple_card_parse_of(struct device_node *node,
-				     struct simple_card_data *priv)
+static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 {
 	struct device *dev = simple_priv_to_dev(priv);
 	struct snd_soc_card *card = simple_priv_to_card(priv);
 	struct device_node *dai_link;
+	struct device_node *node = dev->of_node;
 	int ret;
 
 	if (!node)
@@ -354,21 +354,13 @@ static int asoc_simple_card_parse_of(struct device_node *node,
 
 	dai_link = of_get_child_by_name(node, PREFIX "dai-link");
 
-	/* The off-codec widgets */
-	if (of_property_read_bool(node, PREFIX "widgets")) {
-		ret = snd_soc_of_parse_audio_simple_widgets(card,
-					PREFIX "widgets");
-		if (ret)
-			goto card_parse_end;
-	}
+	ret = asoc_simple_card_of_parse_widgets(card, PREFIX);
+	if (ret < 0)
+		goto card_parse_end;
 
-	/* DAPM routes */
-	if (of_property_read_bool(node, PREFIX "routing")) {
-		ret = snd_soc_of_parse_audio_routing(card,
-					PREFIX "routing");
-		if (ret)
-			goto card_parse_end;
-	}
+	ret = asoc_simple_card_of_parse_routing(card, PREFIX, 1);
+	if (ret < 0)
+		goto card_parse_end;
 
 	/* Factor to mclk, used in hw_params() */
 	of_property_read_u32(node, PREFIX "mclk-fs", &priv->mclk_fs);
@@ -445,7 +437,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 
 	if (np && of_device_is_available(np)) {
 
-		ret = asoc_simple_card_parse_of(np, priv);
+		ret = asoc_simple_card_parse_of(priv);
 		if (ret < 0) {
 			if (ret != -EPROBE_DEFER)
 				dev_err(dev, "parse error %d\n", ret);
diff --git a/sound/soc/generic/simple-scu-card.c b/sound/soc/generic/simple-scu-card.c
index 5faf5d6c48a2..a75b385455c4 100644
--- a/sound/soc/generic/simple-scu-card.c
+++ b/sound/soc/generic/simple-scu-card.c
@@ -27,8 +27,7 @@ struct simple_card_data {
 	struct snd_soc_codec_conf codec_conf;
 	struct asoc_simple_dai *dai_props;
 	struct snd_soc_dai_link *dai_link;
-	u32 convert_rate;
-	u32 convert_channels;
+	struct asoc_simple_card_data adata;
 };
 
 #define simple_priv_to_card(priv) (&(priv)->snd_card)
@@ -47,7 +46,7 @@ static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
 	struct asoc_simple_dai *dai_props =
 		simple_priv_to_props(priv, rtd->num);
 
-	return clk_prepare_enable(dai_props->clk);
+	return asoc_simple_card_clk_enable(dai_props);
 }
 
 static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream)
@@ -57,7 +56,7 @@ static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream)
 	struct asoc_simple_dai *dai_props =
 		simple_priv_to_props(priv, rtd->num);
 
-	clk_disable_unprepare(dai_props->clk);
+	asoc_simple_card_clk_disable(dai_props);
 }
 
 static const struct snd_soc_ops asoc_simple_card_ops = {
@@ -86,18 +85,8 @@ static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 					struct snd_pcm_hw_params *params)
 {
 	struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
-	struct snd_interval *rate = hw_param_interval(params,
-						      SNDRV_PCM_HW_PARAM_RATE);
-	struct snd_interval *channels = hw_param_interval(params,
-						SNDRV_PCM_HW_PARAM_CHANNELS);
 
-	if (priv->convert_rate)
-		rate->min =
-		rate->max = priv->convert_rate;
-
-	if (priv->convert_channels)
-		channels->min =
-		channels->max = priv->convert_channels;
+	asoc_simple_card_convert_fixup(&priv->adata, params);
 
 	return 0;
 }
@@ -171,11 +160,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *np,
 					      PREFIX "prefix");
 	}
 
-	ret = snd_soc_of_parse_tdm_slot(np,
-					&dai_props->tx_slot_mask,
-					&dai_props->rx_slot_mask,
-					&dai_props->slots,
-					&dai_props->slot_width);
+	ret = asoc_simple_card_of_parse_tdm(np, dai_props);
 	if (ret)
 		return ret;
 
@@ -206,15 +191,11 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 	if (!node)
 		return -EINVAL;
 
-	ret = snd_soc_of_parse_audio_routing(card, PREFIX "routing");
+	ret = asoc_simple_card_of_parse_routing(card, PREFIX, 0);
 	if (ret < 0)
 		return ret;
 
-	/* sampling rate convert */
-	of_property_read_u32(node, PREFIX "convert-rate", &priv->convert_rate);
-
-	/* channels transfer */
-	of_property_read_u32(node, PREFIX "convert-channels", &priv->convert_channels);
+	asoc_simple_card_parse_convert(dev, PREFIX, &priv->adata);
 
 	/* find 1st codec */
 	np = of_get_child_by_name(node, PREFIX "codec");
@@ -241,9 +222,6 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 	if (ret < 0)
 		return ret;
 
-	dev_dbg(dev, "convert_rate     %d\n", priv->convert_rate);
-	dev_dbg(dev, "convert_channels %d\n", priv->convert_channels);
-
 	return 0;
 }