X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=sound%2Fsoc%2Fsoc-dapm.c;h=735903a7467500f4d93d750e527a693d67eabaa2;hb=b168dfc51604ec293db16dc4d558043585578a2d;hp=4c64560493f59819f27dffdbf760df5f119d0f9d;hpb=9bf8e7ddeaf57f1ec534014c447705ad31d5d721;p=safe%2Fjmp%2Flinux-2.6

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 4c64560..735903a 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2,19 +2,13 @@
  * soc-dapm.c  --  ALSA SoC Dynamic Audio Power Management
  *
  * Copyright 2005 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
  *  Free Software Foundation;  either version 2 of the  License, or (at your
  *  option) any later version.
  *
- *  Revision history
- *    12th Aug 2005   Initial version.
- *    25th Oct 2005   Implemented path power domain.
- *    18th Dec 2005   Implemented machine and stream level power domain.
- *
  *  Features:
  *    o Changes power status of internal codec blocks depending on the
  *      dynamic configuration of codec internal audio paths and active
@@ -50,41 +44,51 @@
 #include <sound/initval.h>
 
 /* debug */
-#define DAPM_DEBUG 0
-#if DAPM_DEBUG
+#ifdef DEBUG
 #define dump_dapm(codec, action) dbg_dump_dapm(codec, action)
-#define dbg(format, arg...) printk(format, ## arg)
 #else
 #define dump_dapm(codec, action)
-#define dbg(format, arg...)
-#endif
-
-#define POP_DEBUG 0
-#if POP_DEBUG
-#define POP_TIME 500 /* 500 msecs - change if pop debug is too fast */
-#define pop_wait(time) schedule_timeout_uninterruptible(msecs_to_jiffies(time))
-#define pop_dbg(format, arg...) printk(format, ## arg); pop_wait(POP_TIME)
-#else
-#define pop_dbg(format, arg...)
-#define pop_wait(time)
 #endif
 
 /* dapm power sequences - make this per codec in the future */
 static int dapm_up_seq[] = {
 	snd_soc_dapm_pre, snd_soc_dapm_micbias, snd_soc_dapm_mic,
-	snd_soc_dapm_mux, snd_soc_dapm_dac, snd_soc_dapm_mixer, snd_soc_dapm_pga,
+	snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_dac,
+	snd_soc_dapm_mixer, snd_soc_dapm_mixer_named_ctl, snd_soc_dapm_pga,
 	snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, snd_soc_dapm_post
 };
+
 static int dapm_down_seq[] = {
 	snd_soc_dapm_pre, snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk,
-	snd_soc_dapm_pga, snd_soc_dapm_mixer, snd_soc_dapm_dac, snd_soc_dapm_mic,
-	snd_soc_dapm_micbias, snd_soc_dapm_mux, snd_soc_dapm_post
+	snd_soc_dapm_pga, snd_soc_dapm_mixer_named_ctl, snd_soc_dapm_mixer,
+	snd_soc_dapm_dac, snd_soc_dapm_mic, snd_soc_dapm_micbias,
+	snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_post
 };
 
 static int dapm_status = 1;
 module_param(dapm_status, int, 0);
 MODULE_PARM_DESC(dapm_status, "enable DPM sysfs entries");
 
+static void pop_wait(u32 pop_time)
+{
+	if (pop_time)
+		schedule_timeout_uninterruptible(msecs_to_jiffies(pop_time));
+}
+
+static void pop_dbg(u32 pop_time, const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+
+	if (pop_time) {
+		vprintk(fmt, args);
+		pop_wait(pop_time);
+	}
+
+	va_end(args);
+}
+
 /* create a new dapm widget */
 static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
 	const struct snd_soc_dapm_widget *_widget)
@@ -98,12 +102,16 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
 {
 	switch (w->id) {
 	case snd_soc_dapm_switch:
-	case snd_soc_dapm_mixer: {
+	case snd_soc_dapm_mixer:
+	case snd_soc_dapm_mixer_named_ctl: {
 		int val;
-		int reg = w->kcontrols[i].private_value & 0xff;
-		int shift = (w->kcontrols[i].private_value >> 8) & 0x0f;
-		int mask = (w->kcontrols[i].private_value >> 16) & 0xff;
-		int invert = (w->kcontrols[i].private_value >> 24) & 0x01;
+		struct soc_mixer_control *mc = (struct soc_mixer_control *)
+			w->kcontrols[i].private_value;
+		unsigned int reg = mc->reg;
+		unsigned int shift = mc->shift;
+		int max = mc->max;
+		unsigned int mask = (1 << fls(max)) - 1;
+		unsigned int invert = mc->invert;
 
 		val = snd_soc_read(w->codec, reg);
 		val = (val >> shift) & mask;
@@ -118,13 +126,32 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
 		struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value;
 		int val, item, bitmask;
 
-		for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+		for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
 		;
 		val = snd_soc_read(w->codec, e->reg);
 		item = (val >> e->shift_l) & (bitmask - 1);
 
 		p->connect = 0;
-		for (i = 0; i < e->mask; i++) {
+		for (i = 0; i < e->max; i++) {
+			if (!(strcmp(p->name, e->texts[i])) && item == i)
+				p->connect = 1;
+		}
+	}
+	break;
+	case snd_soc_dapm_value_mux: {
+		struct soc_enum *e = (struct soc_enum *)
+			w->kcontrols[i].private_value;
+		int val, item;
+
+		val = snd_soc_read(w->codec, e->reg);
+		val = (val >> e->shift_l) & e->mask;
+		for (item = 0; item < e->max; item++) {
+			if (val == e->values[item])
+				break;
+		}
+
+		p->connect = 0;
+		for (i = 0; i < e->max; i++) {
 			if (!(strcmp(p->name, e->texts[i])) && item == i)
 				p->connect = 1;
 		}
@@ -161,7 +188,7 @@ static int dapm_connect_mux(struct snd_soc_codec *codec,
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	int i;
 
-	for (i = 0; i < e->mask; i++) {
+	for (i = 0; i < e->max; i++) {
 		if (!(strcmp(control_name, e->texts[i]))) {
 			list_add(&path->list, &codec->dapm_paths);
 			list_add(&path->list_sink, &dest->sources);
@@ -221,12 +248,14 @@ static int dapm_update_bits(struct snd_soc_dapm_widget *widget)
 
 	change = old != new;
 	if (change) {
-		pop_dbg("pop test %s : %s in %d ms\n", widget->name,
-			widget->power ? "on" : "off", POP_TIME);
+		pop_dbg(codec->pop_time, "pop test %s : %s in %d ms\n",
+			widget->name, widget->power ? "on" : "off",
+			codec->pop_time);
 		snd_soc_write(codec, widget->reg, new);
-		pop_wait(POP_TIME);
+		pop_wait(codec->pop_time);
 	}
-	dbg("reg old %x new %x change %d\n", old, new, change);
+	pr_debug("reg %x old %x new %x change %d\n", widget->reg,
+		 old, new, change);
 	return change;
 }
 
@@ -242,16 +271,19 @@ static int dapm_set_pga(struct snd_soc_dapm_widget *widget, int power)
 		return 0;
 
 	if (widget->num_kcontrols && k) {
-		int reg = k->private_value & 0xff;
-		int shift = (k->private_value >> 8) & 0x0f;
-		int mask = (k->private_value >> 16) & 0xff;
-		int invert = (k->private_value >> 24) & 0x01;
+		struct soc_mixer_control *mc =
+			(struct soc_mixer_control *)k->private_value;
+		unsigned int reg = mc->reg;
+		unsigned int shift = mc->shift;
+		int max = mc->max;
+		unsigned int mask = (1 << fls(max)) - 1;
+		unsigned int invert = mc->invert;
 
 		if (power) {
 			int i;
 			/* power up has happended, increase volume to last level */
 			if (invert) {
-				for (i = mask; i > widget->saved_value; i--)
+				for (i = max; i > widget->saved_value; i--)
 					snd_soc_update_bits(widget->codec, reg, mask, i);
 			} else {
 				for (i = 0; i < widget->saved_value; i++)
@@ -280,7 +312,7 @@ static int dapm_new_mixer(struct snd_soc_codec *codec,
 	struct snd_soc_dapm_widget *w)
 {
 	int i, ret = 0;
-	char name[32];
+	size_t name_len;
 	struct snd_soc_dapm_path *path;
 
 	/* add kcontrol */
@@ -293,12 +325,34 @@ static int dapm_new_mixer(struct snd_soc_codec *codec,
 			if (path->name != (char*)w->kcontrols[i].name)
 				continue;
 
-			/* add dapm control with long name */
-			snprintf(name, 32, "%s %s", w->name, w->kcontrols[i].name);
-			path->long_name = kstrdup (name, GFP_KERNEL);
+			/* add dapm control with long name.
+			 * for dapm_mixer this is the concatenation of the
+			 * mixer and kcontrol name.
+			 * for dapm_mixer_named_ctl this is simply the
+			 * kcontrol name.
+			 */
+			name_len = strlen(w->kcontrols[i].name) + 1;
+			if (w->id != snd_soc_dapm_mixer_named_ctl)
+				name_len += 1 + strlen(w->name);
+
+			path->long_name = kmalloc(name_len, GFP_KERNEL);
+
 			if (path->long_name == NULL)
 				return -ENOMEM;
 
+			switch (w->id) {
+			default:
+				snprintf(path->long_name, name_len, "%s %s",
+					 w->name, w->kcontrols[i].name);
+				break;
+			case snd_soc_dapm_mixer_named_ctl:
+				snprintf(path->long_name, name_len, "%s",
+					 w->kcontrols[i].name);
+				break;
+			}
+
+			path->long_name[name_len - 1] = '\0';
+
 			path->kcontrol = snd_soc_cnew(&w->kcontrols[i], w,
 				path->long_name);
 			ret = snd_ctl_add(codec->card, path->kcontrol);
@@ -448,6 +502,157 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
 }
 
 /*
+ * Handler for generic register modifier widget.
+ */
+int dapm_reg_event(struct snd_soc_dapm_widget *w,
+		   struct snd_kcontrol *kcontrol, int event)
+{
+	unsigned int val;
+
+	if (SND_SOC_DAPM_EVENT_ON(event))
+		val = w->on_val;
+	else
+		val = w->off_val;
+
+	snd_soc_update_bits(w->codec, -(w->reg + 1),
+			    w->mask << w->shift, val << w->shift);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(dapm_reg_event);
+
+/*
+ * Scan a single DAPM widget for a complete audio path and update the
+ * power status appropriately.
+ */
+static int dapm_power_widget(struct snd_soc_codec *codec, int event,
+			     struct snd_soc_dapm_widget *w)
+{
+	int in, out, power_change, power, ret;
+
+	/* vmid - no action */
+	if (w->id == snd_soc_dapm_vmid)
+		return 0;
+
+	/* active ADC */
+	if (w->id == snd_soc_dapm_adc && w->active) {
+		in = is_connected_input_ep(w);
+		dapm_clear_walk(w->codec);
+		w->power = (in != 0) ? 1 : 0;
+		dapm_update_bits(w);
+		return 0;
+	}
+
+	/* active DAC */
+	if (w->id == snd_soc_dapm_dac && w->active) {
+		out = is_connected_output_ep(w);
+		dapm_clear_walk(w->codec);
+		w->power = (out != 0) ? 1 : 0;
+		dapm_update_bits(w);
+		return 0;
+	}
+
+	/* pre and post event widgets */
+	if (w->id == snd_soc_dapm_pre) {
+		if (!w->event)
+			return 0;
+
+		if (event == SND_SOC_DAPM_STREAM_START) {
+			ret = w->event(w,
+				       NULL, SND_SOC_DAPM_PRE_PMU);
+			if (ret < 0)
+				return ret;
+		} else if (event == SND_SOC_DAPM_STREAM_STOP) {
+			ret = w->event(w,
+				       NULL, SND_SOC_DAPM_PRE_PMD);
+			if (ret < 0)
+				return ret;
+		}
+		return 0;
+	}
+	if (w->id == snd_soc_dapm_post) {
+		if (!w->event)
+			return 0;
+
+		if (event == SND_SOC_DAPM_STREAM_START) {
+			ret = w->event(w,
+				       NULL, SND_SOC_DAPM_POST_PMU);
+			if (ret < 0)
+				return ret;
+		} else if (event == SND_SOC_DAPM_STREAM_STOP) {
+			ret = w->event(w,
+				       NULL, SND_SOC_DAPM_POST_PMD);
+			if (ret < 0)
+				return ret;
+		}
+		return 0;
+	}
+
+	/* all other widgets */
+	in = is_connected_input_ep(w);
+	dapm_clear_walk(w->codec);
+	out = is_connected_output_ep(w);
+	dapm_clear_walk(w->codec);
+	power = (out != 0 && in != 0) ? 1 : 0;
+	power_change = (w->power == power) ? 0 : 1;
+	w->power = power;
+
+	if (!power_change)
+		return 0;
+
+	/* call any power change event handlers */
+	if (w->event)
+		pr_debug("power %s event for %s flags %x\n",
+			 w->power ? "on" : "off",
+			 w->name, w->event_flags);
+
+	/* power up pre event */
+	if (power && w->event &&
+	    (w->event_flags & SND_SOC_DAPM_PRE_PMU)) {
+		ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMU);
+		if (ret < 0)
+			return ret;
+	}
+
+	/* power down pre event */
+	if (!power && w->event &&
+	    (w->event_flags & SND_SOC_DAPM_PRE_PMD)) {
+		ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMD);
+		if (ret < 0)
+			return ret;
+	}
+
+	/* Lower PGA volume to reduce pops */
+	if (w->id == snd_soc_dapm_pga && !power)
+		dapm_set_pga(w, power);
+
+	dapm_update_bits(w);
+
+	/* Raise PGA volume to reduce pops */
+	if (w->id == snd_soc_dapm_pga && power)
+		dapm_set_pga(w, power);
+
+	/* power up post event */
+	if (power && w->event &&
+	    (w->event_flags & SND_SOC_DAPM_POST_PMU)) {
+		ret = w->event(w,
+			       NULL, SND_SOC_DAPM_POST_PMU);
+		if (ret < 0)
+			return ret;
+	}
+
+	/* power down post event */
+	if (!power && w->event &&
+	    (w->event_flags & SND_SOC_DAPM_POST_PMD)) {
+		ret = w->event(w, NULL, SND_SOC_DAPM_POST_PMD);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+/*
  * Scan each dapm widget for complete audio path.
  * A complete path is a route that has valid endpoints i.e.:-
  *
@@ -459,7 +664,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
 static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 {
 	struct snd_soc_dapm_widget *w;
-	int in, out, i, c = 1, *seq = NULL, ret = 0, power_change, power;
+	int i, c = 1, *seq = NULL, ret = 0;
 
 	/* do we have a sequenced stream event */
 	if (event == SND_SOC_DAPM_STREAM_START) {
@@ -470,145 +675,23 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 		seq = dapm_down_seq;
 	}
 
-	for(i = 0; i < c; i++) {
+	for (i = 0; i < c; i++) {
 		list_for_each_entry(w, &codec->dapm_widgets, list) {
 
 			/* is widget in stream order */
 			if (seq && seq[i] && w->id != seq[i])
 				continue;
 
-			/* vmid - no action */
-			if (w->id == snd_soc_dapm_vmid)
-				continue;
-
-			/* active ADC */
-			if (w->id == snd_soc_dapm_adc && w->active) {
-				in = is_connected_input_ep(w);
-				dapm_clear_walk(w->codec);
-				w->power = (in != 0) ? 1 : 0;
-				dapm_update_bits(w);
-				continue;
-			}
-
-			/* active DAC */
-			if (w->id == snd_soc_dapm_dac && w->active) {
-				out = is_connected_output_ep(w);
-				dapm_clear_walk(w->codec);
-				w->power = (out != 0) ? 1 : 0;
-				dapm_update_bits(w);
-				continue;
-			}
-
-			/* programmable gain/attenuation */
-			if (w->id == snd_soc_dapm_pga) {
-				int on;
-				in = is_connected_input_ep(w);
-				dapm_clear_walk(w->codec);
-				out = is_connected_output_ep(w);
-				dapm_clear_walk(w->codec);
-				w->power = on = (out != 0 && in != 0) ? 1 : 0;
-
-				if (!on)
-					dapm_set_pga(w, on); /* lower volume to reduce pops */
-				dapm_update_bits(w);
-				if (on)
-					dapm_set_pga(w, on); /* restore volume from zero */
-
-				continue;
-			}
-
-			/* pre and post event widgets */
-			if (w->id == snd_soc_dapm_pre) {
-				if (!w->event)
-					continue;
-
-				if (event == SND_SOC_DAPM_STREAM_START) {
-					ret = w->event(w,
-						NULL, SND_SOC_DAPM_PRE_PMU);
-					if (ret < 0)
-						return ret;
-				} else if (event == SND_SOC_DAPM_STREAM_STOP) {
-					ret = w->event(w,
-						NULL, SND_SOC_DAPM_PRE_PMD);
-					if (ret < 0)
-						return ret;
-				}
-				continue;
-			}
-			if (w->id == snd_soc_dapm_post) {
-				if (!w->event)
-					continue;
-
-				if (event == SND_SOC_DAPM_STREAM_START) {
-					ret = w->event(w,
-						NULL, SND_SOC_DAPM_POST_PMU);
-					if (ret < 0)
-						return ret;
-				} else if (event == SND_SOC_DAPM_STREAM_STOP) {
-					ret = w->event(w,
-						NULL, SND_SOC_DAPM_POST_PMD);
-					if (ret < 0)
-						return ret;
-				}
-				continue;
-			}
-
-			/* all other widgets */
-			in = is_connected_input_ep(w);
-			dapm_clear_walk(w->codec);
-			out = is_connected_output_ep(w);
-			dapm_clear_walk(w->codec);
-			power = (out != 0 && in != 0) ? 1 : 0;
-			power_change = (w->power == power) ? 0: 1;
-			w->power = power;
-
-			/* call any power change event handlers */
-			if (power_change) {
-				if (w->event) {
-					dbg("power %s event for %s flags %x\n",
-						w->power ? "on" : "off", w->name, w->event_flags);
-					if (power) {
-						/* power up event */
-						if (w->event_flags & SND_SOC_DAPM_PRE_PMU) {
-							ret = w->event(w,
-								NULL, SND_SOC_DAPM_PRE_PMU);
-							if (ret < 0)
-								return ret;
-						}
-						dapm_update_bits(w);
-						if (w->event_flags & SND_SOC_DAPM_POST_PMU){
-							ret = w->event(w,
-								NULL, SND_SOC_DAPM_POST_PMU);
-							if (ret < 0)
-								return ret;
-						}
-					} else {
-						/* power down event */
-						if (w->event_flags & SND_SOC_DAPM_PRE_PMD) {
-							ret = w->event(w,
-								NULL, SND_SOC_DAPM_PRE_PMD);
-							if (ret < 0)
-								return ret;
-						}
-						dapm_update_bits(w);
-						if (w->event_flags & SND_SOC_DAPM_POST_PMD) {
-							ret = w->event(w,
-								NULL, SND_SOC_DAPM_POST_PMD);
-							if (ret < 0)
-								return ret;
-						}
-					}
-				} else
-					/* no event handler */
-					dapm_update_bits(w);
-			}
+			ret = dapm_power_widget(codec, event, w);
+			if (ret != 0)
+				return ret;
 		}
 	}
 
-	return ret;
+	return 0;
 }
 
-#if DAPM_DEBUG
+#ifdef DEBUG
 static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
 {
 	struct snd_soc_dapm_widget *w;
@@ -626,6 +709,7 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
 		case snd_soc_dapm_vmid:
 			continue;
 		case snd_soc_dapm_mux:
+		case snd_soc_dapm_value_mux:
 		case snd_soc_dapm_output:
 		case snd_soc_dapm_input:
 		case snd_soc_dapm_switch:
@@ -638,6 +722,7 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
 		case snd_soc_dapm_adc:
 		case snd_soc_dapm_pga:
 		case snd_soc_dapm_mixer:
+		case snd_soc_dapm_mixer_named_ctl:
 			if (w->name) {
 				in = is_connected_input_ep(w);
 				dapm_clear_walk(w->codec);
@@ -666,12 +751,13 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
 /* test and update the power status of a mux widget */
 static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
 				 struct snd_kcontrol *kcontrol, int mask,
-				 int val, struct soc_enum* e)
+				 int mux, int val, struct soc_enum *e)
 {
 	struct snd_soc_dapm_path *path;
 	int found = 0;
 
-	if (widget->id != snd_soc_dapm_mux)
+	if (widget->id != snd_soc_dapm_mux &&
+	    widget->id != snd_soc_dapm_value_mux)
 		return -ENODEV;
 
 	if (!snd_soc_test_bits(widget->codec, e->reg, mask, val))
@@ -682,19 +768,21 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
 		if (path->kcontrol != kcontrol)
 			continue;
 
-		if (!path->name || ! e->texts[val])
+		if (!path->name || !e->texts[mux])
 			continue;
 
 		found = 1;
 		/* we now need to match the string in the enum to the path */
-		if (!(strcmp(path->name, e->texts[val])))
+		if (!(strcmp(path->name, e->texts[mux])))
 			path->connect = 1; /* new connection */
 		else
 			path->connect = 0; /* old connection must be powered down */
 	}
 
-	if (found)
+	if (found) {
 		dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
+		dump_dapm(widget->codec, "mux power update");
+	}
 
 	return 0;
 }
@@ -708,6 +796,7 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
 	int found = 0;
 
 	if (widget->id != snd_soc_dapm_mixer &&
+	    widget->id != snd_soc_dapm_mixer_named_ctl &&
 	    widget->id != snd_soc_dapm_switch)
 		return -ENODEV;
 
@@ -730,8 +819,10 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
 		break;
 	}
 
-	if (found)
+	if (found) {
 		dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
+		dump_dapm(widget->codec, "mixer power update");
+	}
 
 	return 0;
 }
@@ -741,7 +832,7 @@ static ssize_t dapm_widget_show(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
 	struct snd_soc_device *devdata = dev_get_drvdata(dev);
-	struct snd_soc_codec *codec = devdata->codec;
+	struct snd_soc_codec *codec = devdata->card->codec;
 	struct snd_soc_dapm_widget *w;
 	int count = 0;
 	char *state = "not set";
@@ -759,6 +850,7 @@ static ssize_t dapm_widget_show(struct device *dev,
 		case snd_soc_dapm_adc:
 		case snd_soc_dapm_pga:
 		case snd_soc_dapm_mixer:
+		case snd_soc_dapm_mixer_named_ctl:
 			if (w->name)
 				count += sprintf(buf + count, "%s: %s\n",
 					w->name, w->power ? "On":"Off");
@@ -768,21 +860,18 @@ static ssize_t dapm_widget_show(struct device *dev,
 		}
 	}
 
-	switch(codec->dapm_state){
-	case SNDRV_CTL_POWER_D0:
-		state = "D0";
+	switch (codec->bias_level) {
+	case SND_SOC_BIAS_ON:
+		state = "On";
 		break;
-	case SNDRV_CTL_POWER_D1:
-		state = "D1";
+	case SND_SOC_BIAS_PREPARE:
+		state = "Prepare";
 		break;
-	case SNDRV_CTL_POWER_D2:
-		state = "D2";
+	case SND_SOC_BIAS_STANDBY:
+		state = "Standby";
 		break;
-	case SNDRV_CTL_POWER_D3hot:
-		state = "D3hot";
-		break;
-	case SNDRV_CTL_POWER_D3cold:
-		state = "D3cold";
+	case SND_SOC_BIAS_OFF:
+		state = "Off";
 		break;
 	}
 	count += sprintf(buf + count, "PM State: %s\n", state);
@@ -794,18 +883,16 @@ static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
 
 int snd_soc_dapm_sys_add(struct device *dev)
 {
-	int ret = 0;
-
-	if (dapm_status)
-		ret = device_create_file(dev, &dev_attr_dapm_widget);
-
-	return ret;
+	if (!dapm_status)
+		return 0;
+	return device_create_file(dev, &dev_attr_dapm_widget);
 }
 
 static void snd_soc_dapm_sys_remove(struct device *dev)
 {
-	if (dapm_status)
+	if (dapm_status) {
 		device_remove_file(dev, &dev_attr_dapm_widget);
+	}
 }
 
 /* free all dapm widgets and resources */
@@ -826,8 +913,25 @@ static void dapm_free_widgets(struct snd_soc_codec *codec)
 	}
 }
 
+static int snd_soc_dapm_set_pin(struct snd_soc_codec *codec,
+				const char *pin, int status)
+{
+	struct snd_soc_dapm_widget *w;
+
+	list_for_each_entry(w, &codec->dapm_widgets, list) {
+		if (!strcmp(w->name, pin)) {
+			pr_debug("dapm: %s: pin %s\n", codec->name, pin);
+			w->connected = status;
+			return 0;
+		}
+	}
+
+	pr_err("dapm: %s: configuring unknown pin %s\n", codec->name, pin);
+	return -EINVAL;
+}
+
 /**
- * snd_soc_dapm_sync_endpoints - scan and power dapm paths
+ * snd_soc_dapm_sync - scan and power dapm paths
  * @codec: audio codec
  *
  * Walks all dapm audio paths and powers widgets according to their
@@ -835,27 +939,16 @@ static void dapm_free_widgets(struct snd_soc_codec *codec)
  *
  * Returns 0 for success.
  */
-int snd_soc_dapm_sync_endpoints(struct snd_soc_codec *codec)
+int snd_soc_dapm_sync(struct snd_soc_codec *codec)
 {
-	return dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
+	int ret = dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
+	dump_dapm(codec, "sync");
+	return ret;
 }
-EXPORT_SYMBOL_GPL(snd_soc_dapm_sync_endpoints);
+EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
 
-/**
- * snd_soc_dapm_connect_input - connect dapm widgets
- * @codec: audio codec
- * @sink: name of target widget
- * @control: mixer control name
- * @source: name of source name
- *
- * Connects 2 dapm widgets together via a named audio path. The sink is
- * the widget receiving the audio signal, whilst the source is the sender
- * of the audio signal.
- *
- * Returns 0 for success else error.
- */
-int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink,
-	const char * control, const char *source)
+static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
+	const char *sink, const char *control, const char *source)
 {
 	struct snd_soc_dapm_path *path;
 	struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
@@ -928,6 +1021,7 @@ int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink,
 		path->connect = 1;
 		return 0;
 	case snd_soc_dapm_mux:
+	case snd_soc_dapm_value_mux:
 		ret = dapm_connect_mux(codec, wsource, wsink, path, control,
 			&wsink->kcontrols[0]);
 		if (ret != 0)
@@ -935,6 +1029,7 @@ int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink,
 		break;
 	case snd_soc_dapm_switch:
 	case snd_soc_dapm_mixer:
+	case snd_soc_dapm_mixer_named_ctl:
 		ret = dapm_connect_mixer(codec, wsource, wsink, path, control);
 		if (ret != 0)
 			goto err;
@@ -957,7 +1052,40 @@ err:
 	kfree(path);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(snd_soc_dapm_connect_input);
+
+/**
+ * snd_soc_dapm_add_routes - Add routes between DAPM widgets
+ * @codec: codec
+ * @route: audio routes
+ * @num: number of routes
+ *
+ * Connects 2 dapm widgets together via a named audio path. The sink is
+ * the widget receiving the audio signal, whilst the source is the sender
+ * of the audio signal.
+ *
+ * Returns 0 for success else error. On error all resources can be freed
+ * with a call to snd_soc_card_free().
+ */
+int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
+			    const struct snd_soc_dapm_route *route, int num)
+{
+	int i, ret;
+
+	for (i = 0; i < num; i++) {
+		ret = snd_soc_dapm_add_route(codec, route->sink,
+					     route->control, route->source);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to add route %s->%s\n",
+			       route->source,
+			       route->sink);
+			return ret;
+		}
+		route++;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
 
 /**
  * snd_soc_dapm_new_widgets - add new dapm widgets
@@ -979,9 +1107,11 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
 		switch(w->id) {
 		case snd_soc_dapm_switch:
 		case snd_soc_dapm_mixer:
+		case snd_soc_dapm_mixer_named_ctl:
 			dapm_new_mixer(codec, w);
 			break;
 		case snd_soc_dapm_mux:
+		case snd_soc_dapm_value_mux:
 			dapm_new_mux(codec, w);
 			break;
 		case snd_soc_dapm_adc:
@@ -1012,7 +1142,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
 /**
  * snd_soc_dapm_get_volsw - dapm mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a dapm mixer control.
  *
@@ -1022,12 +1152,14 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
-	int reg = kcontrol->private_value & 0xff;
-	int shift = (kcontrol->private_value >> 8) & 0x0f;
-	int rshift = (kcontrol->private_value >> 12) & 0x0f;
-	int max = (kcontrol->private_value >> 16) & 0xff;
-	int invert = (kcontrol->private_value >> 24) & 0x01;
-	int mask = (1 << fls(max)) - 1;
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	unsigned int reg = mc->reg;
+	unsigned int shift = mc->shift;
+	unsigned int rshift = mc->rshift;
+	int max = mc->max;
+	unsigned int invert = mc->invert;
+	unsigned int mask = (1 << fls(max)) - 1;
 
 	/* return the saved value if we are powered down */
 	if (widget->id == snd_soc_dapm_pga && !widget->power) {
@@ -1055,7 +1187,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
 /**
  * snd_soc_dapm_put_volsw - dapm mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a dapm mixer control.
  *
@@ -1065,12 +1197,14 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
-	int reg = kcontrol->private_value & 0xff;
-	int shift = (kcontrol->private_value >> 8) & 0x0f;
-	int rshift = (kcontrol->private_value >> 12) & 0x0f;
-	int max = (kcontrol->private_value >> 16) & 0xff;
-	int mask = (1 << fls(max)) - 1;
-	int invert = (kcontrol->private_value >> 24) & 0x01;
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	unsigned int reg = mc->reg;
+	unsigned int shift = mc->shift;
+	unsigned int rshift = mc->rshift;
+	int max = mc->max;
+	unsigned int mask = (1 << fls(max)) - 1;
+	unsigned int invert = mc->invert;
 	unsigned short val, val2, val_mask;
 	int ret;
 
@@ -1124,7 +1258,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
 /**
  * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a dapm enumerated double mixer control.
  *
@@ -1137,7 +1271,7 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned short val, bitmask;
 
-	for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+	for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
 		;
 	val = snd_soc_read(widget->codec, e->reg);
 	ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
@@ -1152,7 +1286,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
 /**
  * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a dapm enumerated double mixer control.
  *
@@ -1167,15 +1301,15 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 	unsigned short mask, bitmask;
 	int ret = 0;
 
-	for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+	for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
 		;
-	if (ucontrol->value.enumerated.item[0] > e->mask - 1)
+	if (ucontrol->value.enumerated.item[0] > e->max - 1)
 		return -EINVAL;
 	mux = ucontrol->value.enumerated.item[0];
 	val = mux << e->shift_l;
 	mask = (bitmask - 1) << e->shift_l;
 	if (e->shift_l != e->shift_r) {
-		if (ucontrol->value.enumerated.item[1] > e->mask - 1)
+		if (ucontrol->value.enumerated.item[1] > e->max - 1)
 			return -EINVAL;
 		val |= ucontrol->value.enumerated.item[1] << e->shift_r;
 		mask |= (bitmask - 1) << e->shift_r;
@@ -1183,7 +1317,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 
 	mutex_lock(&widget->codec->mutex);
 	widget->value = val;
-	dapm_mux_update_power(widget, kcontrol, mask, mux, e);
+	dapm_mux_update_power(widget, kcontrol, mask, mux, val, e);
 	if (widget->event) {
 		if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
 			ret = widget->event(widget,
@@ -1205,6 +1339,173 @@ out:
 EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
 
 /**
+ * snd_soc_dapm_get_value_enum_double - dapm semi enumerated double mixer get
+ *					callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value of a dapm semi enumerated double mixer control.
+ *
+ * Semi enumerated mixer: the enumerated items are referred as values. Can be
+ * used for handling bitfield coded enumeration for example.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	unsigned short reg_val, val, mux;
+
+	reg_val = snd_soc_read(widget->codec, e->reg);
+	val = (reg_val >> e->shift_l) & e->mask;
+	for (mux = 0; mux < e->max; mux++) {
+		if (val == e->values[mux])
+			break;
+	}
+	ucontrol->value.enumerated.item[0] = mux;
+	if (e->shift_l != e->shift_r) {
+		val = (reg_val >> e->shift_r) & e->mask;
+		for (mux = 0; mux < e->max; mux++) {
+			if (val == e->values[mux])
+				break;
+		}
+		ucontrol->value.enumerated.item[1] = mux;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_value_enum_double);
+
+/**
+ * snd_soc_dapm_put_value_enum_double - dapm semi enumerated double mixer set
+ *					callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value of a dapm semi enumerated double mixer control.
+ *
+ * Semi enumerated mixer: the enumerated items are referred as values. Can be
+ * used for handling bitfield coded enumeration for example.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	unsigned short val, mux;
+	unsigned short mask;
+	int ret = 0;
+
+	if (ucontrol->value.enumerated.item[0] > e->max - 1)
+		return -EINVAL;
+	mux = ucontrol->value.enumerated.item[0];
+	val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l;
+	mask = e->mask << e->shift_l;
+	if (e->shift_l != e->shift_r) {
+		if (ucontrol->value.enumerated.item[1] > e->max - 1)
+			return -EINVAL;
+		val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r;
+		mask |= e->mask << e->shift_r;
+	}
+
+	mutex_lock(&widget->codec->mutex);
+	widget->value = val;
+	dapm_mux_update_power(widget, kcontrol, mask, mux, val, e);
+	if (widget->event) {
+		if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
+			ret = widget->event(widget,
+				kcontrol, SND_SOC_DAPM_PRE_REG);
+			if (ret < 0)
+				goto out;
+		}
+		ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+		if (widget->event_flags & SND_SOC_DAPM_POST_REG)
+			ret = widget->event(widget,
+				kcontrol, SND_SOC_DAPM_POST_REG);
+	} else
+		ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+
+out:
+	mutex_unlock(&widget->codec->mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
+
+/**
+ * snd_soc_dapm_info_pin_switch - Info for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a pin switch control.
+ */
+int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 1;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch);
+
+/**
+ * snd_soc_dapm_get_pin_switch - Get information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ */
+int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	const char *pin = (const char *)kcontrol->private_value;
+
+	mutex_lock(&codec->mutex);
+
+	ucontrol->value.integer.value[0] =
+		snd_soc_dapm_get_pin_status(codec, pin);
+
+	mutex_unlock(&codec->mutex);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch);
+
+/**
+ * snd_soc_dapm_put_pin_switch - Set information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ */
+int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	const char *pin = (const char *)kcontrol->private_value;
+
+	mutex_lock(&codec->mutex);
+
+	if (ucontrol->value.integer.value[0])
+		snd_soc_dapm_enable_pin(codec, pin);
+	else
+		snd_soc_dapm_disable_pin(codec, pin);
+
+	snd_soc_dapm_sync(codec);
+
+	mutex_unlock(&codec->mutex);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
+
+/**
  * snd_soc_dapm_new_control - create new dapm control
  * @codec: audio codec
  * @widget: widget template
@@ -1234,6 +1535,37 @@ int snd_soc_dapm_new_control(struct snd_soc_codec *codec,
 EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
 
 /**
+ * snd_soc_dapm_new_controls - create new dapm controls
+ * @codec: audio codec
+ * @widget: widget array
+ * @num: number of widgets
+ *
+ * Creates new DAPM controls based upon the templates.
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_new_controls(struct snd_soc_codec *codec,
+	const struct snd_soc_dapm_widget *widget,
+	int num)
+{
+	int i, ret;
+
+	for (i = 0; i < num; i++) {
+		ret = snd_soc_dapm_new_control(codec, widget);
+		if (ret < 0) {
+			printk(KERN_ERR
+			       "ASoC: Failed to create DAPM control %s: %d\n",
+			       widget->name, ret);
+			return ret;
+		}
+		widget++;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
+
+
+/**
  * snd_soc_dapm_stream_event - send a stream event to the dapm core
  * @codec: audio codec
  * @stream: stream name
@@ -1257,8 +1589,8 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec,
 	{
 		if (!w->sname)
 			continue;
-		dbg("widget %s\n %s stream %s event %d\n", w->name, w->sname,
-			stream, event);
+		pr_debug("widget %s\n %s stream %s event %d\n",
+			 w->name, w->sname, stream, event);
 		if (strstr(w->sname, stream)) {
 			switch(event) {
 			case SND_SOC_DAPM_STREAM_START:
@@ -1294,53 +1626,101 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec,
 EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event);
 
 /**
- * snd_soc_dapm_device_event - send a device event to the dapm core
+ * snd_soc_dapm_set_bias_level - set the bias level for the system
  * @socdev: audio device
- * @event: device event
+ * @level: level to configure
  *
- * Sends a device event to the dapm core. The core then makes any
- * necessary machine or codec power changes..
+ * Configure the bias (power) levels for the SoC audio device.
  *
  * Returns 0 for success else error.
  */
-int snd_soc_dapm_device_event(struct snd_soc_device *socdev, int event)
+int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev,
+				enum snd_soc_bias_level level)
 {
-	struct snd_soc_codec *codec = socdev->codec;
-	struct snd_soc_machine *machine = socdev->machine;
+	struct snd_soc_card *card = socdev->card;
+	struct snd_soc_codec *codec = socdev->card->codec;
+	int ret = 0;
 
-	if (machine->dapm_event)
-		machine->dapm_event(machine, event);
-	if (codec->dapm_event)
-		codec->dapm_event(codec, event);
-	return 0;
+	if (card->set_bias_level)
+		ret = card->set_bias_level(card, level);
+	if (ret == 0 && codec->set_bias_level)
+		ret = codec->set_bias_level(codec, level);
+
+	return ret;
+}
+
+/**
+ * snd_soc_dapm_enable_pin - enable pin.
+ * @codec: SoC codec
+ * @pin: pin name
+ *
+ * Enables input/output pin and it's parents or children widgets iff there is
+ * a valid audio route and active audio stream.
+ * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
+ * do any widget power switching.
+ */
+int snd_soc_dapm_enable_pin(struct snd_soc_codec *codec, const char *pin)
+{
+	return snd_soc_dapm_set_pin(codec, pin, 1);
 }
-EXPORT_SYMBOL_GPL(snd_soc_dapm_device_event);
+EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin);
 
 /**
- * snd_soc_dapm_set_endpoint - set audio endpoint status
+ * snd_soc_dapm_disable_pin - disable pin.
+ * @codec: SoC codec
+ * @pin: pin name
+ *
+ * Disables input/output pin and it's parents or children widgets.
+ * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
+ * do any widget power switching.
+ */
+int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, const char *pin)
+{
+	return snd_soc_dapm_set_pin(codec, pin, 0);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin);
+
+/**
+ * snd_soc_dapm_nc_pin - permanently disable pin.
+ * @codec: SoC codec
+ * @pin: pin name
+ *
+ * Marks the specified pin as being not connected, disabling it along
+ * any parent or child widgets.  At present this is identical to
+ * snd_soc_dapm_disable_pin() but in future it will be extended to do
+ * additional things such as disabling controls which only affect
+ * paths through the pin.
+ *
+ * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
+ * do any widget power switching.
+ */
+int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, const char *pin)
+{
+	return snd_soc_dapm_set_pin(codec, pin, 0);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin);
+
+/**
+ * snd_soc_dapm_get_pin_status - get audio pin status
  * @codec: audio codec
- * @endpoint: audio signal endpoint (or start point)
- * @status: point status
+ * @pin: audio signal pin endpoint (or start point)
  *
- * Set audio endpoint status - connected or disconnected.
+ * Get audio pin status - connected or disconnected.
  *
- * Returns 0 for success else error.
+ * Returns 1 for connected otherwise 0.
  */
-int snd_soc_dapm_set_endpoint(struct snd_soc_codec *codec,
-	char *endpoint, int status)
+int snd_soc_dapm_get_pin_status(struct snd_soc_codec *codec, const char *pin)
 {
 	struct snd_soc_dapm_widget *w;
 
 	list_for_each_entry(w, &codec->dapm_widgets, list) {
-		if (!strcmp(w->name, endpoint)) {
-			w->connected = status;
-			return 0;
-		}
+		if (!strcmp(w->name, pin))
+			return w->connected;
 	}
 
-	return -ENODEV;
+	return 0;
 }
-EXPORT_SYMBOL_GPL(snd_soc_dapm_set_endpoint);
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status);
 
 /**
  * snd_soc_dapm_free - free dapm resources
@@ -1350,7 +1730,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_set_endpoint);
  */
 void snd_soc_dapm_free(struct snd_soc_device *socdev)
 {
-	struct snd_soc_codec *codec = socdev->codec;
+	struct snd_soc_codec *codec = socdev->card->codec;
 
 	snd_soc_dapm_sys_remove(socdev->dev);
 	dapm_free_widgets(codec);
@@ -1358,6 +1738,6 @@ void snd_soc_dapm_free(struct snd_soc_device *socdev)
 EXPORT_SYMBOL_GPL(snd_soc_dapm_free);
 
 /* Module information */
-MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk");
 MODULE_DESCRIPTION("Dynamic Audio Power Management core for ALSA SoC");
 MODULE_LICENSE("GPL");