1 files changed, 175 insertions, 162 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 2ec13d1634b6..67bebc339148 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -32,6 +32,7 @@
 #include <linux/of_graph.h>
 #include <linux/dmi.h>
 #include <linux/acpi.h>
+#include <linux/string_choices.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -297,7 +298,7 @@ static int snd_soc_is_matching_dai(const struct snd_soc_dai_link_component *dlc,
 	return 0;
 }
 
-const char *snd_soc_dai_name_get(struct snd_soc_dai *dai)
+const char *snd_soc_dai_name_get(const struct snd_soc_dai *dai)
 {
 	/* see snd_soc_is_matching_dai() */
 	if (dai->driver->name)
@@ -326,8 +327,8 @@ static int snd_soc_rtd_add_component(struct snd_soc_pcm_runtime *rtd,
 	}
 
 	/* see for_each_rtd_components */
-	rtd->components[rtd->num_components] = component;
-	rtd->num_components++;
+	rtd->num_components++; // increment flex array count at first
+	rtd->components[rtd->num_components - 1] = component;
 
 	return 0;
 }
@@ -430,7 +431,7 @@ void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd)
 		codec_dai->driver->playback.stream_name,
 		snd_soc_dai_stream_active(codec_dai, playback) ?
 		"active" : "inactive",
-		rtd->pop_wait ? "yes" : "no");
+		str_yes_no(rtd->pop_wait));
 
 	/* are we waiting on this codec DAI stream */
 	if (rtd->pop_wait == 1) {
@@ -494,7 +495,6 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
 	struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
 {
 	struct snd_soc_pcm_runtime *rtd;
-	struct snd_soc_component *component;
 	struct device *dev;
 	int ret;
 	int stream;
@@ -521,10 +521,10 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
 	 * for rtd
 	 */
 	rtd = devm_kzalloc(dev,
-			   sizeof(*rtd) +
-			   sizeof(component) * (dai_link->num_cpus +
-						 dai_link->num_codecs +
-						 dai_link->num_platforms),
+			   struct_size(rtd, components,
+				       dai_link->num_cpus +
+				       dai_link->num_codecs +
+				       dai_link->num_platforms),
 			   GFP_KERNEL);
 	if (!rtd) {
 		device_unregister(dev);
@@ -559,7 +559,7 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
 	 */
 	rtd->card	= card;
 	rtd->dai_link	= dai_link;
-	rtd->num	= card->num_rtd++;
+	rtd->id		= card->num_rtd++;
 	rtd->pmdown_time = pmdown_time;			/* default power off timeout */
 
 	/* see for_each_card_rtds */
@@ -1167,7 +1167,7 @@ static int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
 	struct snd_soc_pcm_runtime *rtd;
 	struct snd_soc_dai_link_component *codec, *platform, *cpu;
 	struct snd_soc_component *component;
-	int i, ret;
+	int i, id, ret;
 
 	lockdep_assert_held(&client_mutex);
 
@@ -1226,6 +1226,28 @@ static int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
 		}
 	}
 
+	/*
+	 * Most drivers will register their PCMs using DAI link ordering but
+	 * topology based drivers can use the DAI link id field to set PCM
+	 * device number and then use rtd + a base offset of the BEs.
+	 *
+	 * FIXME
+	 *
+	 * This should be implemented by using "dai_link" feature instead of
+	 * "component" feature.
+	 */
+	id = rtd->id;
+	for_each_rtd_components(rtd, i, component) {
+		if (!component->driver->use_dai_pcm_id)
+			continue;
+
+		if (rtd->dai_link->no_pcm)
+			id += component->driver->be_pcm_base;
+		else
+			id = rtd->dai_link->id;
+	}
+	rtd->id = id;
+
 	return 0;
 
 _err_defer:
@@ -1428,23 +1450,46 @@ int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 {
 	struct snd_soc_dai *cpu_dai;
 	struct snd_soc_dai *codec_dai;
+	unsigned int ext_fmt;
 	unsigned int i;
 	int ret;
 
 	if (!dai_fmt)
 		return 0;
 
+	/*
+	 * dai_fmt has 4 types
+	 *	1. SND_SOC_DAIFMT_FORMAT_MASK
+	 *	2. SND_SOC_DAIFMT_CLOCK
+	 *	3. SND_SOC_DAIFMT_INV
+	 *	4. SND_SOC_DAIFMT_CLOCK_PROVIDER
+	 *
+	 * 4. CLOCK_PROVIDER is set from Codec perspective in dai_fmt. So it will be flipped
+	 * when this function calls set_fmt() for CPU (CBx_CFx -> Bx_Cx). see below.
+	 * This mean, we can't set CPU/Codec both are clock consumer for example.
+	 * New idea handles 4. in each dai->ext_fmt. It can keep compatibility.
+	 *
+	 * Legacy
+	 *	dai_fmt  includes 1, 2, 3, 4
+	 *
+	 * New idea
+	 *	dai_fmt  includes 1, 2, 3
+	 *	ext_fmt  includes 4
+	 */
 	for_each_rtd_codec_dais(rtd, i, codec_dai) {
-		ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
+		ext_fmt = rtd->dai_link->codecs[i].ext_fmt;
+		ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt | ext_fmt);
 		if (ret != 0 && ret != -ENOTSUPP)
 			return ret;
 	}
 
 	/* Flip the polarity for the "CPU" end of link */
+	/* Will effect only for 4. SND_SOC_DAIFMT_CLOCK_PROVIDER */
 	dai_fmt = snd_soc_daifmt_clock_provider_flipped(dai_fmt);
 
 	for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
-		ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt);
+		ext_fmt = rtd->dai_link->cpus[i].ext_fmt;
+		ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt | ext_fmt);
 		if (ret != 0 && ret != -ENOTSUPP)
 			return ret;
 	}
@@ -1458,8 +1503,7 @@ static int soc_init_pcm_runtime(struct snd_soc_card *card,
 {
 	struct snd_soc_dai_link *dai_link = rtd->dai_link;
 	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
-	struct snd_soc_component *component;
-	int ret, num, i;
+	int ret;
 
 	/* do machine specific initialization */
 	ret = snd_soc_link_init(rtd);
@@ -1474,30 +1518,13 @@ static int soc_init_pcm_runtime(struct snd_soc_card *card,
 	/* add DPCM sysfs entries */
 	soc_dpcm_debugfs_add(rtd);
 
-	num = rtd->num;
-
-	/*
-	 * most drivers will register their PCMs using DAI link ordering but
-	 * topology based drivers can use the DAI link id field to set PCM
-	 * device number and then use rtd + a base offset of the BEs.
-	 */
-	for_each_rtd_components(rtd, i, component) {
-		if (!component->driver->use_dai_pcm_id)
-			continue;
-
-		if (rtd->dai_link->no_pcm)
-			num += component->driver->be_pcm_base;
-		else
-			num = rtd->dai_link->id;
-	}
-
 	/* create compress_device if possible */
-	ret = snd_soc_dai_compress_new(cpu_dai, rtd, num);
+	ret = snd_soc_dai_compress_new(cpu_dai, rtd);
 	if (ret != -ENOTSUPP)
 		goto err;
 
 	/* create the pcm */
-	ret = soc_new_pcm(rtd, num);
+	ret = soc_new_pcm(rtd);
 	if (ret < 0) {
 		dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
 			dai_link->stream_name, ret);
@@ -1641,18 +1668,8 @@ static int soc_probe_component(struct snd_soc_card *card,
 	ret = snd_soc_dapm_add_routes(dapm,
 				      component->driver->dapm_routes,
 				      component->driver->num_dapm_routes);
-	if (ret < 0) {
-		if (card->disable_route_checks) {
-			dev_info(card->dev,
-				 "%s: disable_route_checks set, ignoring errors on add_routes\n",
-				 __func__);
-		} else {
-			dev_err(card->dev,
-				"%s: snd_soc_dapm_add_routes failed: %d\n",
-				__func__, ret);
-			goto err_probe;
-		}
-	}
+	if (ret < 0)
+		goto err_probe;
 
 	/* see for_each_card_components */
 	list_add(&component->card_list, &card->component_dev_list);
@@ -1871,7 +1888,6 @@ static void append_dmi_string(struct snd_soc_card *card, const char *str)
 /**
  * snd_soc_set_dmi_name() - Register DMI names to card
  * @card: The card to register DMI names
- * @flavour: The flavour "differentiator" for the card amongst its peers.
  *
  * An Intel machine driver may be used by many different devices but are
  * difficult for userspace to differentiate, since machine drivers usually
@@ -1899,7 +1915,7 @@ static void append_dmi_string(struct snd_soc_card *card, const char *str)
  *
  * Returns 0 on success, otherwise a negative error code.
  */
-int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour)
+static int snd_soc_set_dmi_name(struct snd_soc_card *card)
 {
 	const char *vendor, *product, *board;
 
@@ -1943,16 +1959,16 @@ int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour)
 		return 0;
 	}
 
-	/* Add flavour to dmi long name */
-	if (flavour)
-		append_dmi_string(card, flavour);
-
 	/* set the card long name */
 	card->long_name = card->dmi_longname;
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(snd_soc_set_dmi_name);
+#else
+static inline int snd_soc_set_dmi_name(struct snd_soc_card *card)
+{
+	return 0;
+}
 #endif /* CONFIG_DMI */
 
 static void soc_check_tplg_fes(struct snd_soc_card *card)
@@ -2000,25 +2016,7 @@ match:
 				dai_link->platforms->name = component->name;
 
 			/* convert non BE into BE */
-			if (!dai_link->no_pcm) {
-				dai_link->no_pcm = 1;
-
-				if (dai_link->dpcm_playback)
-					dev_warn(card->dev,
-						 "invalid configuration, dailink %s has flags no_pcm=0 and dpcm_playback=1\n",
-						 dai_link->name);
-				if (dai_link->dpcm_capture)
-					dev_warn(card->dev,
-						 "invalid configuration, dailink %s has flags no_pcm=0 and dpcm_capture=1\n",
-						 dai_link->name);
-
-				/* convert normal link into DPCM one */
-				if (!(dai_link->dpcm_playback ||
-				      dai_link->dpcm_capture)) {
-					dai_link->dpcm_playback = !dai_link->capture_only;
-					dai_link->dpcm_capture = !dai_link->playback_only;
-				}
-			}
+			dai_link->no_pcm = 1;
 
 			/*
 			 * override any BE fixups
@@ -2136,18 +2134,13 @@ static void soc_cleanup_card_resources(struct snd_soc_card *card)
 	}
 }
 
-static void snd_soc_unbind_card(struct snd_soc_card *card, bool unregister)
+static void snd_soc_unbind_card(struct snd_soc_card *card)
 {
 	if (snd_soc_card_is_instantiated(card)) {
 		card->instantiated = false;
 		snd_soc_flush_all_delayed_work(card);
 
 		soc_cleanup_card_resources(card);
-		if (!unregister)
-			list_add(&card->list, &unbind_card_list);
-	} else {
-		if (unregister)
-			list_del(&card->list);
 	}
 }
 
@@ -2157,9 +2150,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 	struct snd_soc_component *component;
 	int ret;
 
-	mutex_lock(&client_mutex);
 	snd_soc_card_mutex_lock_root(card);
-
 	snd_soc_fill_dummy_dai(card);
 
 	snd_soc_dapm_init(&card->dapm, card, NULL);
@@ -2249,18 +2240,8 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 
 	ret = snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes,
 				      card->num_dapm_routes);
-	if (ret < 0) {
-		if (card->disable_route_checks) {
-			dev_info(card->dev,
-				 "%s: disable_route_checks set, ignoring errors on add_routes\n",
-				 __func__);
-		} else {
-			dev_err(card->dev,
-				 "%s: snd_soc_dapm_add_routes failed: %d\n",
-				 __func__, ret);
-			goto probe_end;
-		}
-	}
+	if (ret < 0)
+		goto probe_end;
 
 	ret = snd_soc_dapm_add_routes(&card->dapm, card->of_dapm_routes,
 				      card->num_of_dapm_routes);
@@ -2268,7 +2249,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 		goto probe_end;
 
 	/* try to set some sane longname if DMI is available */
-	snd_soc_set_dmi_name(card, NULL);
+	snd_soc_set_dmi_name(card);
 
 	soc_setup_card_name(card, card->snd_card->shortname,
 			    card->name, NULL);
@@ -2316,9 +2297,49 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 probe_end:
 	if (ret < 0)
 		soc_cleanup_card_resources(card);
-
 	snd_soc_card_mutex_unlock(card);
-	mutex_unlock(&client_mutex);
+
+	return ret;
+}
+
+static void devm_card_bind_release(struct device *dev, void *res)
+{
+	snd_soc_unregister_card(*(struct snd_soc_card **)res);
+}
+
+static int devm_snd_soc_bind_card(struct device *dev, struct snd_soc_card *card)
+{
+	struct snd_soc_card **ptr;
+	int ret;
+
+	ptr = devres_alloc(devm_card_bind_release, sizeof(*ptr), GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	ret = snd_soc_bind_card(card);
+	if (ret == 0 || ret == -EPROBE_DEFER) {
+		*ptr = card;
+		devres_add(dev, ptr);
+	} else {
+		devres_free(ptr);
+	}
+
+	return ret;
+}
+
+static int snd_soc_rebind_card(struct snd_soc_card *card)
+{
+	int ret;
+
+	if (card->devres_dev) {
+		devres_destroy(card->devres_dev, devm_card_bind_release, NULL, NULL);
+		ret = devm_snd_soc_bind_card(card->devres_dev, card);
+	} else {
+		ret = snd_soc_bind_card(card);
+	}
+
+	if (ret != -EPROBE_DEFER)
+		list_del_init(&card->list);
 
 	return ret;
 }
@@ -2518,6 +2539,8 @@ EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
  */
 int snd_soc_register_card(struct snd_soc_card *card)
 {
+	int ret;
+
 	if (!card->name || !card->dev)
 		return -EINVAL;
 
@@ -2538,7 +2561,21 @@ int snd_soc_register_card(struct snd_soc_card *card)
 	mutex_init(&card->dapm_mutex);
 	mutex_init(&card->pcm_mutex);
 
-	return snd_soc_bind_card(card);
+	mutex_lock(&client_mutex);
+
+	if (card->devres_dev) {
+		ret = devm_snd_soc_bind_card(card->devres_dev, card);
+		if (ret == -EPROBE_DEFER) {
+			list_add(&card->list, &unbind_card_list);
+			ret = 0;
+		}
+	} else {
+		ret = snd_soc_bind_card(card);
+	}
+
+	mutex_unlock(&client_mutex);
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_register_card);
 
@@ -2551,7 +2588,8 @@ EXPORT_SYMBOL_GPL(snd_soc_register_card);
 void snd_soc_unregister_card(struct snd_soc_card *card)
 {
 	mutex_lock(&client_mutex);
-	snd_soc_unbind_card(card, true);
+	snd_soc_unbind_card(card);
+	list_del(&card->list);
 	mutex_unlock(&client_mutex);
 	dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name);
 }
@@ -2765,23 +2803,19 @@ static void convert_endianness_formats(struct snd_soc_pcm_stream *stream)
 			stream->formats |= endianness_format_map[i];
 }
 
-static void snd_soc_try_rebind_card(void)
-{
-	struct snd_soc_card *card, *c;
-
-	list_for_each_entry_safe(card, c, &unbind_card_list, list)
-		if (!snd_soc_bind_card(card))
-			list_del(&card->list);
-}
-
 static void snd_soc_del_component_unlocked(struct snd_soc_component *component)
 {
 	struct snd_soc_card *card = component->card;
+	bool instantiated;
 
 	snd_soc_unregister_dais(component);
 
-	if (card)
-		snd_soc_unbind_card(card, false);
+	if (card) {
+		instantiated = card->instantiated;
+		snd_soc_unbind_card(card);
+		if (instantiated)
+			list_add(&card->list, &unbind_card_list);
+	}
 
 	list_del(&component->list);
 }
@@ -2796,10 +2830,12 @@ int snd_soc_component_initialize(struct snd_soc_component *component,
 	INIT_LIST_HEAD(&component->list);
 	mutex_init(&component->io_mutex);
 
-	component->name = fmt_single_name(dev, &component->id);
 	if (!component->name) {
-		dev_err(dev, "ASoC: Failed to allocate name\n");
-		return -ENOMEM;
+		component->name = fmt_single_name(dev, &component->id);
+		if (!component->name) {
+			dev_err(dev, "ASoC: Failed to allocate name\n");
+			return -ENOMEM;
+		}
 	}
 
 	component->dev		= dev;
@@ -2818,6 +2854,7 @@ int snd_soc_add_component(struct snd_soc_component *component,
 			  struct snd_soc_dai_driver *dai_drv,
 			  int num_dai)
 {
+	struct snd_soc_card *card, *c;
 	int ret;
 	int i;
 
@@ -2848,15 +2885,14 @@ int snd_soc_add_component(struct snd_soc_component *component,
 	/* see for_each_component */
 	list_add(&component->list, &component_list);
 
+	list_for_each_entry_safe(card, c, &unbind_card_list, list)
+		snd_soc_rebind_card(card);
+
 err_cleanup:
 	if (ret < 0)
 		snd_soc_del_component_unlocked(component);
 
 	mutex_unlock(&client_mutex);
-
-	if (ret == 0)
-		snd_soc_try_rebind_card();
-
 	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_add_component);
@@ -2891,34 +2927,14 @@ EXPORT_SYMBOL_GPL(snd_soc_register_component);
 void snd_soc_unregister_component_by_driver(struct device *dev,
 					    const struct snd_soc_component_driver *component_driver)
 {
-	struct snd_soc_component *component;
-
-	if (!component_driver)
-		return;
+	const char *driver_name = NULL;
 
-	mutex_lock(&client_mutex);
-	component = snd_soc_lookup_component_nolocked(dev, component_driver->name);
-	if (!component)
-		goto out;
+	if (component_driver)
+		driver_name = component_driver->name;
 
-	snd_soc_del_component_unlocked(component);
-
-out:
-	mutex_unlock(&client_mutex);
-}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_component_by_driver);
-
-/**
- * snd_soc_unregister_component - Unregister all related component
- * from the ASoC core
- *
- * @dev: The device to unregister
- */
-void snd_soc_unregister_component(struct device *dev)
-{
 	mutex_lock(&client_mutex);
 	while (1) {
-		struct snd_soc_component *component = snd_soc_lookup_component_nolocked(dev, NULL);
+		struct snd_soc_component *component = snd_soc_lookup_component_nolocked(dev, driver_name);
 
 		if (!component)
 			break;
@@ -2927,7 +2943,7 @@ void snd_soc_unregister_component(struct device *dev)
 	}
 	mutex_unlock(&client_mutex);
 }
-EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
+EXPORT_SYMBOL_GPL(snd_soc_unregister_component_by_driver);
 
 /* Retrieve a card's name from device tree */
 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
@@ -3056,7 +3072,7 @@ int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop)
 	unsigned int i, nb_controls;
 	int ret;
 
-	if (!of_property_read_bool(dev->of_node, prop))
+	if (!of_property_present(dev->of_node, prop))
 		return 0;
 
 	strings = devm_kcalloc(dev, nb_controls_max,
@@ -3130,23 +3146,17 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np,
 	if (rx_mask)
 		snd_soc_of_get_slot_mask(np, "dai-tdm-slot-rx-mask", rx_mask);
 
-	if (of_property_read_bool(np, "dai-tdm-slot-num")) {
-		ret = of_property_read_u32(np, "dai-tdm-slot-num", &val);
-		if (ret)
-			return ret;
-
-		if (slots)
-			*slots = val;
-	}
-
-	if (of_property_read_bool(np, "dai-tdm-slot-width")) {
-		ret = of_property_read_u32(np, "dai-tdm-slot-width", &val);
-		if (ret)
-			return ret;
+	ret = of_property_read_u32(np, "dai-tdm-slot-num", &val);
+	if (ret && ret != -EINVAL)
+		return ret;
+	if (!ret && slots)
+		*slots = val;
 
-		if (slot_width)
-			*slot_width = val;
-	}
+	ret = of_property_read_u32(np, "dai-tdm-slot-width", &val);
+	if (ret && ret != -EINVAL)
+		return ret;
+	if (!ret && slot_width)
+		*slot_width = val;
 
 	return 0;
 }
@@ -3370,10 +3380,10 @@ unsigned int snd_soc_daifmt_parse_format(struct device_node *np,
 	 * SND_SOC_DAIFMT_INV_MASK area
 	 */
 	snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix);
-	bit = !!of_get_property(np, prop, NULL);
+	bit = of_property_read_bool(np, prop);
 
 	snprintf(prop, sizeof(prop), "%sframe-inversion", prefix);
-	frame = !!of_get_property(np, prop, NULL);
+	frame = of_property_read_bool(np, prop);
 
 	switch ((bit << 4) + frame) {
 	case 0x11:
@@ -3402,6 +3412,9 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
 	char prop[128];
 	unsigned int bit, frame;
 
+	if (!np)
+		return 0;
+
 	if (!prefix)
 		prefix = "";
 
@@ -3410,12 +3423,12 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
 	 * check "[prefix]frame-master"
 	 */
 	snprintf(prop, sizeof(prop), "%sbitclock-master", prefix);
-	bit = !!of_get_property(np, prop, NULL);
+	bit = of_property_present(np, prop);
 	if (bit && bitclkmaster)
 		*bitclkmaster = of_parse_phandle(np, prop, 0);
 
 	snprintf(prop, sizeof(prop), "%sframe-master", prefix);
-	frame = !!of_get_property(np, prop, NULL);
+	frame = of_property_present(np, prop);
 	if (frame && framemaster)
 		*framemaster = of_parse_phandle(np, prop, 0);
 
@@ -3428,7 +3441,7 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
 }
 EXPORT_SYMBOL_GPL(snd_soc_daifmt_parse_clock_provider_raw);
 
-int snd_soc_get_stream_cpu(struct snd_soc_dai_link *dai_link, int stream)
+int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream)
 {
 	/*
 	 * [Normal]