1 files changed, 171 insertions, 153 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 5d9a671e50f1..f2f04ce693a1 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -99,58 +99,58 @@ static int dapm_up_seq[] = {
 	[snd_soc_dapm_adc] = 11,
 	[snd_soc_dapm_out_drv] = 12,
 	[snd_soc_dapm_hp] = 12,
-	[snd_soc_dapm_spk] = 12,
 	[snd_soc_dapm_line] = 12,
 	[snd_soc_dapm_sink] = 12,
-	[snd_soc_dapm_kcontrol] = 13,
-	[snd_soc_dapm_post] = 14,
+	[snd_soc_dapm_spk] = 13,
+	[snd_soc_dapm_kcontrol] = 14,
+	[snd_soc_dapm_post] = 15,
 };
 
 static int dapm_down_seq[] = {
 	[snd_soc_dapm_pre] = 1,
 	[snd_soc_dapm_kcontrol] = 2,
 	[snd_soc_dapm_adc] = 3,
-	[snd_soc_dapm_hp] = 4,
 	[snd_soc_dapm_spk] = 4,
-	[snd_soc_dapm_line] = 4,
-	[snd_soc_dapm_out_drv] = 4,
-	[snd_soc_dapm_sink] = 4,
-	[snd_soc_dapm_pga] = 5,
-	[snd_soc_dapm_buffer] = 5,
-	[snd_soc_dapm_scheduler] = 5,
-	[snd_soc_dapm_effect] = 5,
-	[snd_soc_dapm_src] = 5,
-	[snd_soc_dapm_asrc] = 5,
-	[snd_soc_dapm_encoder] = 5,
-	[snd_soc_dapm_decoder] = 5,
-	[snd_soc_dapm_switch] = 6,
-	[snd_soc_dapm_mixer_named_ctl] = 6,
-	[snd_soc_dapm_mixer] = 6,
-	[snd_soc_dapm_dac] = 7,
-	[snd_soc_dapm_mic] = 8,
-	[snd_soc_dapm_siggen] = 8,
-	[snd_soc_dapm_input] = 8,
-	[snd_soc_dapm_output] = 8,
-	[snd_soc_dapm_micbias] = 9,
-	[snd_soc_dapm_vmid] = 9,
-	[snd_soc_dapm_mux] = 10,
-	[snd_soc_dapm_demux] = 10,
-	[snd_soc_dapm_aif_in] = 11,
-	[snd_soc_dapm_aif_out] = 11,
-	[snd_soc_dapm_dai_in] = 11,
-	[snd_soc_dapm_dai_out] = 11,
-	[snd_soc_dapm_dai_link] = 12,
-	[snd_soc_dapm_supply] = 13,
-	[snd_soc_dapm_clock_supply] = 14,
-	[snd_soc_dapm_pinctrl] = 14,
-	[snd_soc_dapm_regulator_supply] = 14,
-	[snd_soc_dapm_post] = 15,
+	[snd_soc_dapm_hp] = 5,
+	[snd_soc_dapm_line] = 5,
+	[snd_soc_dapm_out_drv] = 5,
+	[snd_soc_dapm_sink] = 6,
+	[snd_soc_dapm_pga] = 6,
+	[snd_soc_dapm_buffer] = 6,
+	[snd_soc_dapm_scheduler] = 6,
+	[snd_soc_dapm_effect] = 6,
+	[snd_soc_dapm_src] = 6,
+	[snd_soc_dapm_asrc] = 6,
+	[snd_soc_dapm_encoder] = 6,
+	[snd_soc_dapm_decoder] = 6,
+	[snd_soc_dapm_switch] = 7,
+	[snd_soc_dapm_mixer_named_ctl] = 7,
+	[snd_soc_dapm_mixer] = 7,
+	[snd_soc_dapm_dac] = 8,
+	[snd_soc_dapm_mic] = 9,
+	[snd_soc_dapm_siggen] = 9,
+	[snd_soc_dapm_input] = 9,
+	[snd_soc_dapm_output] = 9,
+	[snd_soc_dapm_micbias] = 10,
+	[snd_soc_dapm_vmid] = 10,
+	[snd_soc_dapm_mux] = 11,
+	[snd_soc_dapm_demux] = 11,
+	[snd_soc_dapm_aif_in] = 12,
+	[snd_soc_dapm_aif_out] = 12,
+	[snd_soc_dapm_dai_in] = 12,
+	[snd_soc_dapm_dai_out] = 12,
+	[snd_soc_dapm_dai_link] = 13,
+	[snd_soc_dapm_supply] = 14,
+	[snd_soc_dapm_clock_supply] = 15,
+	[snd_soc_dapm_pinctrl] = 15,
+	[snd_soc_dapm_regulator_supply] = 15,
+	[snd_soc_dapm_post] = 16,
 };
 
 static void dapm_assert_locked(struct snd_soc_dapm_context *dapm)
 {
 	if (snd_soc_card_is_instantiated(dapm->card))
-		lockdep_assert_held(&dapm->card->dapm_mutex);
+		snd_soc_dapm_mutex_assert_held(dapm);
 }
 
 static void pop_wait(u32 pop_time)
@@ -302,7 +302,7 @@ void dapm_mark_endpoints_dirty(struct snd_soc_card *card)
 {
 	struct snd_soc_dapm_widget *w;
 
-	mutex_lock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_lock_root(card);
 
 	for_each_card_widgets(card, w) {
 		if (w->is_ep) {
@@ -314,7 +314,7 @@ void dapm_mark_endpoints_dirty(struct snd_soc_card *card)
 		}
 	}
 
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 }
 EXPORT_SYMBOL_GPL(dapm_mark_endpoints_dirty);
 
@@ -604,7 +604,7 @@ static void dapm_reset(struct snd_soc_card *card)
 {
 	struct snd_soc_dapm_widget *w;
 
-	lockdep_assert_held(&card->dapm_mutex);
+	snd_soc_dapm_mutex_assert_held(card);
 
 	memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
 
@@ -1075,7 +1075,7 @@ static int dapm_new_dai_link(struct snd_soc_dapm_widget *w)
 	struct snd_soc_pcm_runtime *rtd = w->priv;
 
 	/* create control for links with > 1 config */
-	if (rtd->dai_link->num_params <= 1)
+	if (rtd->dai_link->num_c2c_params <= 1)
 		return 0;
 
 	/* add kcontrol */
@@ -1302,7 +1302,7 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
 	int paths;
 	int ret;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		invalidate_paths_ep(w, SND_SOC_DAPM_DIR_OUT);
@@ -1322,7 +1322,7 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
 		paths = ret;
 
 	trace_snd_soc_dapm_connected(paths, stream);
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 
 	return paths;
 }
@@ -1952,7 +1952,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
 	enum snd_soc_bias_level bias;
 	int ret;
 
-	lockdep_assert_held(&card->dapm_mutex);
+	snd_soc_dapm_mutex_assert_held(card);
 
 	trace_snd_soc_dapm_start(card);
 
@@ -2090,7 +2090,6 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
 					   size_t count, loff_t *ppos)
 {
 	struct snd_soc_dapm_widget *w = file->private_data;
-	struct snd_soc_card *card = w->dapm->card;
 	enum snd_soc_dapm_direction dir, rdir;
 	char *buf;
 	int in, out;
@@ -2101,7 +2100,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
-	mutex_lock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_lock_root(w->dapm);
 
 	/* Supply widgets are not handled by is_connected_{input,output}_ep() */
 	if (w->is_supply) {
@@ -2145,7 +2144,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
 		}
 	}
 
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(w->dapm);
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
 
@@ -2266,7 +2265,7 @@ static int soc_dapm_mux_update_power(struct snd_soc_card *card,
 	int found = 0;
 	bool connect;
 
-	lockdep_assert_held(&card->dapm_mutex);
+	snd_soc_dapm_mutex_assert_held(card);
 
 	/* find dapm widget path assoc with kcontrol */
 	dapm_kcontrol_for_each_path(path, kcontrol) {
@@ -2293,11 +2292,11 @@ int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm,
 	struct snd_soc_card *card = dapm->card;
 	int ret;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 	card->update = update;
 	ret = soc_dapm_mux_update_power(card, kcontrol, mux, e);
 	card->update = NULL;
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 	if (ret > 0)
 		snd_soc_dpcm_runtime_update(card);
 	return ret;
@@ -2312,7 +2311,7 @@ static int soc_dapm_mixer_update_power(struct snd_soc_card *card,
 	struct snd_soc_dapm_path *path;
 	int found = 0;
 
-	lockdep_assert_held(&card->dapm_mutex);
+	snd_soc_dapm_mutex_assert_held(card);
 
 	/* find dapm widget path assoc with kcontrol */
 	dapm_kcontrol_for_each_path(path, kcontrol) {
@@ -2358,11 +2357,11 @@ int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm,
 	struct snd_soc_card *card = dapm->card;
 	int ret;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 	card->update = update;
 	ret = soc_dapm_mixer_update_power(card, kcontrol, connect, -1);
 	card->update = NULL;
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 	if (ret > 0)
 		snd_soc_dpcm_runtime_update(card);
 	return ret;
@@ -2441,7 +2440,7 @@ static ssize_t dapm_widget_show(struct device *dev,
 	struct snd_soc_dai *codec_dai;
 	int i, count = 0;
 
-	mutex_lock(&rtd->card->dapm_mutex);
+	snd_soc_dapm_mutex_lock_root(rtd->card);
 
 	for_each_rtd_codec_dais(rtd, i, codec_dai) {
 		struct snd_soc_component *cmpnt = codec_dai->component;
@@ -2449,7 +2448,7 @@ static ssize_t dapm_widget_show(struct device *dev,
 		count = dapm_widget_show_component(cmpnt, buf, count);
 	}
 
-	mutex_unlock(&rtd->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(rtd->card);
 
 	return count;
 }
@@ -2632,9 +2631,9 @@ int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
 {
 	int ret;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 	ret = snd_soc_dapm_sync_unlocked(dapm);
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
@@ -2703,9 +2702,9 @@ int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	int ret;
 
-	mutex_lock_nested(&rtd->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(rtd->card);
 	ret = dapm_update_dai_unlocked(substream, params, dai);
-	mutex_unlock(&rtd->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(rtd->card);
 
 	return ret;
 }
@@ -3090,14 +3089,14 @@ int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
 {
 	int i, ret = 0;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 	for (i = 0; i < num; i++) {
 		int r = snd_soc_dapm_add_route(dapm, route);
 		if (r < 0)
 			ret = r;
 		route++;
 	}
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return ret;
 }
@@ -3116,12 +3115,12 @@ int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm,
 {
 	int i;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 	for (i = 0; i < num; i++) {
 		snd_soc_dapm_del_route(dapm, route);
 		route++;
 	}
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return 0;
 }
@@ -3194,14 +3193,14 @@ int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
 	int i;
 	int ret = 0;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+	snd_soc_dapm_mutex_lock_root(dapm);
 	for (i = 0; i < num; i++) {
 		int err = snd_soc_dapm_weak_route(dapm, route);
 		if (err)
 			ret = err;
 		route++;
 	}
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return ret;
 }
@@ -3220,7 +3219,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
 	struct snd_soc_dapm_widget *w;
 	unsigned int val;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+	snd_soc_dapm_mutex_lock_root(card);
 
 	for_each_card_widgets(card, w)
 	{
@@ -3232,7 +3231,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
 						sizeof(struct snd_kcontrol *),
 						GFP_KERNEL);
 			if (!w->kcontrols) {
-				mutex_unlock(&card->dapm_mutex);
+				snd_soc_dapm_mutex_unlock(card);
 				return -ENOMEM;
 			}
 		}
@@ -3275,7 +3274,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
 	}
 
 	dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP);
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
@@ -3293,7 +3292,6 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
-	struct snd_soc_card *card = dapm->card;
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	int reg = mc->reg;
@@ -3304,7 +3302,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	unsigned int invert = mc->invert;
 	unsigned int reg_val, val, rval = 0;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 	if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM) {
 		reg_val = soc_dapm_read(dapm, reg);
 		val = (reg_val >> shift) & mask;
@@ -3321,7 +3319,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 		if (snd_soc_volsw_is_stereo(mc))
 			rval = (reg_val >> width) & mask;
 	}
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	if (invert)
 		ucontrol->value.integer.value[0] = max - val;
@@ -3379,7 +3377,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 			rval = max - rval;
 	}
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 
 	/* This assumes field width < (bits in unsigned int / 2) */
 	if (width > sizeof(unsigned int) * 8 / 2)
@@ -3421,7 +3419,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 		card->update = NULL;
 	}
 
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 
 	if (ret > 0)
 		snd_soc_dpcm_runtime_update(card);
@@ -3443,17 +3441,16 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
-	struct snd_soc_card *card = dapm->card;
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int reg_val, val;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 	if (e->reg != SND_SOC_NOPM && dapm_kcontrol_is_powered(kcontrol)) {
 		reg_val = soc_dapm_read(dapm, e->reg);
 	} else {
 		reg_val = dapm_kcontrol_get_value(kcontrol);
 	}
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	val = (reg_val >> e->shift_l) & e->mask;
 	ucontrol->value.enumerated.item[0] = snd_soc_enum_val_to_item(e, val);
@@ -3500,7 +3497,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 		mask |= e->mask << e->shift_r;
 	}
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 
 	change = dapm_kcontrol_set_value(kcontrol, val);
 
@@ -3521,7 +3518,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 		card->update = NULL;
 	}
 
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 
 	if (ret > 0)
 		snd_soc_dpcm_runtime_update(card);
@@ -3562,12 +3559,12 @@ int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
 	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
 	const char *pin = (const char *)kcontrol->private_value;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 
 	ucontrol->value.integer.value[0] =
 		snd_soc_dapm_get_pin_status(&card->dapm, pin);
 
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 
 	return 0;
 }
@@ -3586,10 +3583,10 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
 	const char *pin = (const char *)kcontrol->private_value;
 	int ret;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 	ret = __snd_soc_dapm_set_pin(&card->dapm, pin,
 				     !!ucontrol->value.integer.value[0]);
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 
 	snd_soc_dapm_sync(&card->dapm);
 	return ret;
@@ -3762,9 +3759,9 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 {
 	struct snd_soc_dapm_widget *w;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 	w = snd_soc_dapm_new_control_unlocked(dapm, widget);
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return w;
 }
@@ -3787,7 +3784,7 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
 	int i;
 	int ret = 0;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+	snd_soc_dapm_mutex_lock_root(dapm);
 	for (i = 0; i < num; i++) {
 		struct snd_soc_dapm_widget *w = snd_soc_dapm_new_control_unlocked(dapm, widget);
 		if (IS_ERR(w)) {
@@ -3796,7 +3793,7 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
 		}
 		widget++;
 	}
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
@@ -3864,7 +3861,7 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
 	 * either party on the link to alter the configuration if
 	 * necessary
 	 */
-	config = rtd->dai_link->params + rtd->params_select;
+	config = rtd->dai_link->c2c_params + rtd->c2c_params_select;
 	if (!config) {
 		dev_err(w->dapm->dev, "ASoC: link config missing\n");
 		ret = -EINVAL;
@@ -4010,7 +4007,7 @@ static int snd_soc_dapm_dai_link_get(struct snd_kcontrol *kcontrol,
 	struct snd_soc_dapm_widget *w = snd_kcontrol_chip(kcontrol);
 	struct snd_soc_pcm_runtime *rtd = w->priv;
 
-	ucontrol->value.enumerated.item[0] = rtd->params_select;
+	ucontrol->value.enumerated.item[0] = rtd->c2c_params_select;
 
 	return 0;
 }
@@ -4025,13 +4022,13 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
 	if (w->power)
 		return -EBUSY;
 
-	if (ucontrol->value.enumerated.item[0] == rtd->params_select)
+	if (ucontrol->value.enumerated.item[0] == rtd->c2c_params_select)
 		return 0;
 
-	if (ucontrol->value.enumerated.item[0] >= rtd->dai_link->num_params)
+	if (ucontrol->value.enumerated.item[0] >= rtd->dai_link->num_c2c_params)
 		return -EINVAL;
 
-	rtd->params_select = ucontrol->value.enumerated.item[0];
+	rtd->c2c_params_select = ucontrol->value.enumerated.item[0];
 
 	return 1;
 }
@@ -4039,7 +4036,7 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
 static void
 snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
 			unsigned long *private_value,
-			int num_params,
+			int num_c2c_params,
 			const char **w_param_text)
 {
 	int count;
@@ -4049,7 +4046,7 @@ snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
 	if (!w_param_text)
 		return;
 
-	for (count = 0 ; count < num_params; count++)
+	for (count = 0 ; count < num_c2c_params; count++)
 		devm_kfree(card->dev, (void *)w_param_text[count]);
 	devm_kfree(card->dev, w_param_text);
 }
@@ -4057,8 +4054,8 @@ snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
 static struct snd_kcontrol_new *
 snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
 			char *link_name,
-			const struct snd_soc_pcm_stream *params,
-			int num_params, const char **w_param_text,
+			const struct snd_soc_pcm_stream *c2c_params,
+			int num_c2c_params, const char **w_param_text,
 			unsigned long *private_value)
 {
 	struct soc_enum w_param_enum[] = {
@@ -4070,10 +4067,10 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
 			     snd_soc_dapm_dai_link_put),
 	};
 	struct snd_kcontrol_new *kcontrol_news;
-	const struct snd_soc_pcm_stream *config = params;
+	const struct snd_soc_pcm_stream *config = c2c_params;
 	int count;
 
-	for (count = 0 ; count < num_params; count++) {
+	for (count = 0 ; count < num_c2c_params; count++) {
 		if (!config->stream_name) {
 			dev_warn(card->dapm.dev,
 				"ASoC: anonymous config %d for dai link %s\n",
@@ -4093,7 +4090,7 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
 		config++;
 	}
 
-	w_param_enum[0].items = num_params;
+	w_param_enum[0].items = num_c2c_params;
 	w_param_enum[0].texts = w_param_text;
 
 	*private_value =
@@ -4118,7 +4115,7 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
 	return kcontrol_news;
 
 outfree_w_param:
-	snd_soc_dapm_free_kcontrol(card, private_value, num_params, w_param_text);
+	snd_soc_dapm_free_kcontrol(card, private_value, num_c2c_params, w_param_text);
 	return NULL;
 }
 
@@ -4146,17 +4143,17 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card,
 	w_param_text	= NULL;
 	kcontrol_news	= NULL;
 	num_kcontrols	= 0;
-	if (rtd->dai_link->num_params > 1) {
+	if (rtd->dai_link->num_c2c_params > 1) {
 		w_param_text = devm_kcalloc(card->dev,
-					    rtd->dai_link->num_params,
+					    rtd->dai_link->num_c2c_params,
 					    sizeof(char *), GFP_KERNEL);
 		if (!w_param_text)
 			goto param_fail;
 
 		num_kcontrols = 1;
 		kcontrol_news = snd_soc_dapm_alloc_kcontrol(card, link_name,
-							    rtd->dai_link->params,
-							    rtd->dai_link->num_params,
+							    rtd->dai_link->c2c_params,
+							    rtd->dai_link->num_c2c_params,
 							    w_param_text, &private_value);
 		if (!kcontrol_news)
 			goto param_fail;
@@ -4187,7 +4184,7 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card,
 outfree_kcontrol_news:
 	devm_kfree(card->dev, (void *)template.kcontrol_news);
 	snd_soc_dapm_free_kcontrol(card, &private_value,
-				   rtd->dai_link->num_params, w_param_text);
+				   rtd->dai_link->num_c2c_params, w_param_text);
 param_fail:
 	devm_kfree(card->dev, link_name);
 name_fail:
@@ -4325,60 +4322,81 @@ static void dapm_connect_dai_routes(struct snd_soc_dapm_context *dapm,
 	snd_soc_dapm_add_path(dapm, src, sink, NULL, NULL);
 }
 
+static int get_stream_cpu(struct snd_soc_dai_link *dai_link, int stream)
+{
+	/*
+	 * [Normal]
+	 *
+	 * Playback
+	 *	CPU  : SNDRV_PCM_STREAM_PLAYBACK
+	 *	Codec: SNDRV_PCM_STREAM_PLAYBACK
+	 *
+	 * Playback
+	 *	CPU  : SNDRV_PCM_STREAM_CAPTURE
+	 *	Codec: SNDRV_PCM_STREAM_CAPTURE
+	 */
+	if (!dai_link->c2c_params)
+		return stream;
+
+	/*
+	 * [Codec2Codec]
+	 *
+	 * Playback
+	 *	CPU  : SNDRV_PCM_STREAM_CAPTURE
+	 *	Codec: SNDRV_PCM_STREAM_PLAYBACK
+	 *
+	 * Capture
+	 *	CPU  : SNDRV_PCM_STREAM_PLAYBACK
+	 *	Codec: SNDRV_PCM_STREAM_CAPTURE
+	 */
+	if (stream == SNDRV_PCM_STREAM_CAPTURE)
+		return SNDRV_PCM_STREAM_PLAYBACK;
+
+	return SNDRV_PCM_STREAM_CAPTURE;
+}
+
 static void dapm_connect_dai_pair(struct snd_soc_card *card,
 				  struct snd_soc_pcm_runtime *rtd,
 				  struct snd_soc_dai *codec_dai,
 				  struct snd_soc_dai *cpu_dai)
 {
 	struct snd_soc_dai_link *dai_link = rtd->dai_link;
-	struct snd_soc_dapm_widget *dai, *codec, *playback_cpu, *capture_cpu;
-	struct snd_pcm_substream *substream;
-	struct snd_pcm_str *streams = rtd->pcm->streams;
+	struct snd_soc_dapm_widget *codec, *cpu;
+	struct snd_soc_dai *src_dai[]		= { cpu_dai,	codec_dai };
+	struct snd_soc_dai *sink_dai[]		= { codec_dai,	cpu_dai };
+	struct snd_soc_dapm_widget **src[]	= { &cpu,	&codec };
+	struct snd_soc_dapm_widget **sink[]	= { &codec,	&cpu };
+	char *widget_name[]			= { "playback",	"capture" };
 	int stream;
 
-	if (dai_link->params) {
-		playback_cpu	= snd_soc_dai_get_widget_capture(cpu_dai);
-		capture_cpu	= snd_soc_dai_get_widget_playback(cpu_dai);
-	} else {
-		playback_cpu	= snd_soc_dai_get_widget_playback(cpu_dai);
-		capture_cpu	= snd_soc_dai_get_widget_capture(cpu_dai);
-	}
+	for_each_pcm_streams(stream) {
+		int stream_cpu, stream_codec;
 
-	/* connect BE DAI playback if widgets are valid */
-	stream = SNDRV_PCM_STREAM_PLAYBACK;
-	codec = snd_soc_dai_get_widget(codec_dai, stream);
+		stream_cpu	= get_stream_cpu(dai_link, stream);
+		stream_codec	= stream;
 
-	if (playback_cpu && codec) {
-		if (dai_link->params && !rtd->c2c_widget[stream]) {
-			substream = streams[stream].substream;
-			dai = snd_soc_dapm_new_dai(card, substream, "playback");
-			if (IS_ERR(dai))
-				goto capture;
-			rtd->c2c_widget[stream] = dai;
-		}
+		/* connect BE DAI playback if widgets are valid */
+		cpu	= snd_soc_dai_get_widget(cpu_dai,	stream_cpu);
+		codec	= snd_soc_dai_get_widget(codec_dai,	stream_codec);
 
-		dapm_connect_dai_routes(&card->dapm, cpu_dai, playback_cpu,
-					rtd->c2c_widget[stream],
-					codec_dai, codec);
-	}
+		if (!cpu || !codec)
+			continue;
 
-capture:
-	/* connect BE DAI capture if widgets are valid */
-	stream = SNDRV_PCM_STREAM_CAPTURE;
-	codec = snd_soc_dai_get_widget(codec_dai, stream);
+		/* special handling for [Codec2Codec] */
+		if (dai_link->c2c_params && !rtd->c2c_widget[stream]) {
+			struct snd_pcm_substream *substream = rtd->pcm->streams[stream].substream;
+			struct snd_soc_dapm_widget *dai = snd_soc_dapm_new_dai(card, substream,
+									       widget_name[stream]);
 
-	if (codec && capture_cpu) {
-		if (dai_link->params && !rtd->c2c_widget[stream]) {
-			substream = streams[stream].substream;
-			dai = snd_soc_dapm_new_dai(card, substream, "capture");
 			if (IS_ERR(dai))
-				return;
+				continue;
+
 			rtd->c2c_widget[stream] = dai;
 		}
 
-		dapm_connect_dai_routes(&card->dapm, codec_dai, codec,
+		dapm_connect_dai_routes(&card->dapm, src_dai[stream], *src[stream],
 					rtd->c2c_widget[stream],
-					cpu_dai, capture_cpu);
+					sink_dai[stream], *sink[stream]);
 	}
 }
 
@@ -4478,9 +4496,9 @@ void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
 {
 	struct snd_soc_card *card = rtd->card;
 
-	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(card);
 	soc_dapm_stream_event(rtd, stream, event);
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 }
 
 void snd_soc_dapm_stream_stop(struct snd_soc_pcm_runtime *rtd, int stream)
@@ -4541,11 +4559,11 @@ int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin)
 {
 	int ret;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 
 	ret = snd_soc_dapm_set_pin(dapm, pin, 1);
 
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return ret;
 }
@@ -4609,11 +4627,11 @@ int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
 {
 	int ret;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 
 	ret = snd_soc_dapm_force_enable_pin_unlocked(dapm, pin);
 
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return ret;
 }
@@ -4653,11 +4671,11 @@ int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm,
 {
 	int ret;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 
 	ret = snd_soc_dapm_set_pin(dapm, pin, 0);
 
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return ret;
 }
@@ -4704,11 +4722,11 @@ int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin)
 {
 	int ret;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	snd_soc_dapm_mutex_lock(dapm);
 
 	ret = snd_soc_dapm_set_pin(dapm, pin, 0);
 
-	mutex_unlock(&dapm->card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(dapm);
 
 	return ret;
 }
@@ -4805,7 +4823,7 @@ static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm)
 	LIST_HEAD(down_list);
 	int powerdown = 0;
 
-	mutex_lock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_lock_root(card);
 
 	for_each_card_widgets(dapm->card, w) {
 		if (w->dapm != dapm)
@@ -4830,7 +4848,7 @@ static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm)
 						    SND_SOC_BIAS_STANDBY);
 	}
 
-	mutex_unlock(&card->dapm_mutex);
+	snd_soc_dapm_mutex_unlock(card);
 }
 
 /*