diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index ff7a689..9554140 100644
--- a/sound/pci/Kconfig
+++ b/sound/pci/Kconfig
@@ -581,6 +581,14 @@
 	  Say Y here to enable the generic HD-audio codec parser
 	  in snd-hda-intel driver.
 
+config SND_HDA_POWER_SAVE
+	bool "Aggressive power-saving on HD-audio"
+	depends on SND_HDA_INTEL && EXPERIMENTAL
+	help
+	  Say Y here to enable more aggressive power-saving mode on
+	  HD-audio driver.  The power-saving timeout can be configured
+	  via power_save option or over sysfs on-the-fly.
+
 config SND_HDSP
 	tristate "RME Hammerfall DSP Audio"
 	depends on SND
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 0435293..9a3b728 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -33,6 +33,13 @@
 #include "hda_local.h"
 #include <sound/hda_hwdep.h>
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+/* define this option here to hide as static */
+static int power_save = 10;
+module_param(power_save, int, 0644);
+MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
+		 "(in second, 0 = disable).");
+#endif
 
 /*
  * vendor / preset table
@@ -60,6 +67,13 @@
 #include "hda_patch.h"
 
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static void hda_power_work(struct work_struct *work);
+static void hda_keep_power_on(struct hda_codec *codec);
+#else
+static inline void hda_keep_power_on(struct hda_codec *codec) {}
+#endif
+
 /**
  * snd_hda_codec_read - send a command and get the response
  * @codec: the HDA codec
@@ -77,12 +91,14 @@
 				unsigned int verb, unsigned int parm)
 {
 	unsigned int res;
+	snd_hda_power_up(codec);
 	mutex_lock(&codec->bus->cmd_mutex);
 	if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
 		res = codec->bus->ops.get_response(codec);
 	else
 		res = (unsigned int)-1;
 	mutex_unlock(&codec->bus->cmd_mutex);
+	snd_hda_power_down(codec);
 	return res;
 }
 
@@ -102,9 +118,11 @@
 			 unsigned int verb, unsigned int parm)
 {
 	int err;
+	snd_hda_power_up(codec);
 	mutex_lock(&codec->bus->cmd_mutex);
 	err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 	mutex_unlock(&codec->bus->cmd_mutex);
+	snd_hda_power_down(codec);
 	return err;
 }
 
@@ -505,6 +523,9 @@
 {
 	if (!codec)
 		return;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	cancel_delayed_work(&codec->power_work);
+#endif
 	list_del(&codec->list);
 	codec->bus->caddr_tbl[codec->addr] = NULL;
 	if (codec->patch_ops.free)
@@ -551,6 +572,15 @@
 	init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 	init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
+	/* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
+	 * the caller has to power down appropriatley after initialization
+	 * phase.
+	 */
+	hda_keep_power_on(codec);
+#endif
+
 	list_add_tail(&codec->list, &bus->codec_list);
 	bus->caddr_tbl[codec_addr] = codec;
 
@@ -855,7 +885,7 @@
 	return ret;
 }
 
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 /* resume the all amp commands from the cache */
 void snd_hda_codec_resume_amp(struct hda_codec *codec)
 {
@@ -879,7 +909,7 @@
 		}
 	}
 }
-#endif /* CONFIG_PM */
+#endif /* SND_HDA_NEEDS_RESUME */
 
 /*
  * AMP control callbacks
@@ -945,6 +975,7 @@
 	long *valp = ucontrol->value.integer.value;
 	int change = 0;
 
+	snd_hda_power_up(codec);
 	if (chs & 1) {
 		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
 						  0x7f, *valp);
@@ -953,6 +984,7 @@
 	if (chs & 2)
 		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
 						   0x7f, *valp);
+	snd_hda_power_down(codec);
 	return change;
 }
 
@@ -1025,6 +1057,7 @@
 	long *valp = ucontrol->value.integer.value;
 	int change = 0;
 
+	snd_hda_power_up(codec);
 	if (chs & 1) {
 		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
 						  HDA_AMP_MUTE,
@@ -1035,7 +1068,11 @@
 		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
 						   HDA_AMP_MUTE,
 						   *valp ? 0 : HDA_AMP_MUTE);
-	
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (codec->patch_ops.check_power_status)
+		codec->patch_ops.check_power_status(codec, nid);
+#endif
+	snd_hda_power_down(codec);
 	return change;
 }
 
@@ -1502,7 +1539,7 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 /*
  * command cache
  */
@@ -1528,6 +1565,7 @@
 			      int direct, unsigned int verb, unsigned int parm)
 {
 	int err;
+	snd_hda_power_up(codec);
 	mutex_lock(&codec->bus->cmd_mutex);
 	err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 	if (!err) {
@@ -1538,6 +1576,7 @@
 			c->val = parm;
 	}
 	mutex_unlock(&codec->bus->cmd_mutex);
+	snd_hda_power_down(codec);
 	return err;
 }
 
@@ -1572,7 +1611,7 @@
 		snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
 					  seq->param);
 }
-#endif /* CONFIG_PM */
+#endif /* SND_HDA_NEEDS_RESUME */
 
 /*
  * set power state of the codec
@@ -1580,24 +1619,70 @@
 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
 				unsigned int power_state)
 {
-	hda_nid_t nid, nid_start;
-	int nodes;
+	hda_nid_t nid;
+	int i;
 
 	snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
 			    power_state);
 
-	nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start);
-	for (nid = nid_start; nid < nodes + nid_start; nid++) {
+	nid = codec->start_nid;
+	for (i = 0; i < codec->num_nodes; i++, nid++) {
 		if (get_wcaps(codec, nid) & AC_WCAP_POWER)
 			snd_hda_codec_write(codec, nid, 0,
 					    AC_VERB_SET_POWER_STATE,
 					    power_state);
 	}
 
-	if (power_state == AC_PWRST_D0)
+	if (power_state == AC_PWRST_D0) {
+		unsigned long end_time;
+		int state;
 		msleep(10);
+		/* wait until the codec reachs to D0 */
+		end_time = jiffies + msecs_to_jiffies(500);
+		do {
+			state = snd_hda_codec_read(codec, fg, 0,
+						   AC_VERB_GET_POWER_STATE, 0);
+			if (state == power_state)
+				break;
+			msleep(1);
+		} while (time_after_eq(end_time, jiffies));
+	}
 }
 
+#ifdef SND_HDA_NEEDS_RESUME
+/*
+ * call suspend and power-down; used both from PM and power-save
+ */
+static void hda_call_codec_suspend(struct hda_codec *codec)
+{
+	if (codec->patch_ops.suspend)
+		codec->patch_ops.suspend(codec, PMSG_SUSPEND);
+	hda_set_power_state(codec,
+			    codec->afg ? codec->afg : codec->mfg,
+			    AC_PWRST_D3);
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	cancel_delayed_work(&codec->power_work);
+#endif
+}
+
+/*
+ * kick up codec; used both from PM and power-save
+ */
+static void hda_call_codec_resume(struct hda_codec *codec)
+{
+	hda_set_power_state(codec,
+			    codec->afg ? codec->afg : codec->mfg,
+			    AC_PWRST_D0);
+	if (codec->patch_ops.resume)
+		codec->patch_ops.resume(codec);
+	else {
+		codec->patch_ops.init(codec);
+		snd_hda_codec_resume_amp(codec);
+		snd_hda_codec_resume_cache(codec);
+	}
+}
+#endif /* SND_HDA_NEEDS_RESUME */
+
 
 /**
  * snd_hda_build_controls - build mixer controls
@@ -1611,28 +1696,24 @@
 {
 	struct hda_codec *codec;
 
-	/* build controls */
 	list_for_each_entry(codec, &bus->codec_list, list) {
-		int err;
-		if (!codec->patch_ops.build_controls)
-			continue;
-		err = codec->patch_ops.build_controls(codec);
+		int err = 0;
+		/* fake as if already powered-on */
+		hda_keep_power_on(codec);
+		/* then fire up */
+		hda_set_power_state(codec,
+				    codec->afg ? codec->afg : codec->mfg,
+				    AC_PWRST_D0);
+		/* continue to initialize... */
+		if (codec->patch_ops.init)
+			err = codec->patch_ops.init(codec);
+		if (!err && codec->patch_ops.build_controls)
+			err = codec->patch_ops.build_controls(codec);
+		snd_hda_power_down(codec);
 		if (err < 0)
 			return err;
 	}
 
-	/* initialize */
-	list_for_each_entry(codec, &bus->codec_list, list) {
-		int err;
-		hda_set_power_state(codec,
-				    codec->afg ? codec->afg : codec->mfg,
-				    AC_PWRST_D0);
-		if (!codec->patch_ops.init)
-			continue;
-		err = codec->patch_ops.init(codec);
-		if (err < 0)
-			return err;
-	}
 	return 0;
 }
 
@@ -2078,7 +2159,7 @@
  */
 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
 {
-	int err;
+ 	int err;
 
 	for (; knew->name; knew++) {
 		struct snd_kcontrol *kctl;
@@ -2101,6 +2182,89 @@
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
+				unsigned int power_state);
+
+static void hda_power_work(struct work_struct *work)
+{
+	struct hda_codec *codec =
+		container_of(work, struct hda_codec, power_work.work);
+
+	if (!codec->power_on || codec->power_count)
+		return;
+
+	hda_call_codec_suspend(codec);
+	codec->power_on = 0;
+	if (codec->bus->ops.pm_notify)
+		codec->bus->ops.pm_notify(codec);
+}
+
+static void hda_keep_power_on(struct hda_codec *codec)
+{
+	codec->power_count++;
+	codec->power_on = 1;
+}
+
+void snd_hda_power_up(struct hda_codec *codec)
+{
+	codec->power_count++;
+	if (codec->power_on)
+		return;
+
+	codec->power_on = 1;
+	if (codec->bus->ops.pm_notify)
+		codec->bus->ops.pm_notify(codec);
+	hda_call_codec_resume(codec);
+	cancel_delayed_work(&codec->power_work);
+}
+
+void snd_hda_power_down(struct hda_codec *codec)
+{
+	--codec->power_count;
+	if (!codec->power_on)
+		return;
+	if (power_save)
+		schedule_delayed_work(&codec->power_work,
+				      msecs_to_jiffies(power_save * 1000));
+}
+
+int snd_hda_check_amp_list_power(struct hda_codec *codec,
+				 struct hda_loopback_check *check,
+				 hda_nid_t nid)
+{
+	struct hda_amp_list *p;
+	int ch, v;
+
+	if (!check->amplist)
+		return 0;
+	for (p = check->amplist; p->nid; p++) {
+		if (p->nid == nid)
+			break;
+	}
+	if (!p->nid)
+		return 0; /* nothing changed */
+
+	for (p = check->amplist; p->nid; p++) {
+		for (ch = 0; ch < 2; ch++) {
+			v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
+						   p->idx);
+			if (!(v & HDA_AMP_MUTE) && v > 0) {
+				if (!check->power_on) {
+					check->power_on = 1;
+					snd_hda_power_up(codec);
+				}
+				return 1;
+			}
+		}
+	}
+	if (check->power_on) {
+		check->power_on = 0;
+		snd_hda_power_down(codec);
+	}
+	return 0;
+}
+#endif
 
 /*
  * Channel mode helper
@@ -2605,41 +2769,32 @@
 {
 	struct hda_codec *codec;
 
-	/* FIXME: should handle power widget capabilities */
 	list_for_each_entry(codec, &bus->codec_list, list) {
-		if (codec->patch_ops.suspend)
-			codec->patch_ops.suspend(codec, state);
-		hda_set_power_state(codec,
-				    codec->afg ? codec->afg : codec->mfg,
-				    AC_PWRST_D3);
+		hda_call_codec_suspend(codec);
 	}
 	return 0;
 }
 
+#ifndef CONFIG_SND_HDA_POWER_SAVE
 /**
  * snd_hda_resume - resume the codecs
  * @bus: the HDA bus
  * @state: resume state
  *
  * Returns 0 if successful.
+ *
+ * This fucntion is defined only when POWER_SAVE isn't set.
+ * In the power-save mode, the codec is resumed dynamically.
  */
 int snd_hda_resume(struct hda_bus *bus)
 {
 	struct hda_codec *codec;
 
 	list_for_each_entry(codec, &bus->codec_list, list) {
-		hda_set_power_state(codec,
-				    codec->afg ? codec->afg : codec->mfg,
-				    AC_PWRST_D0);
-		if (codec->patch_ops.resume)
-			codec->patch_ops.resume(codec);
-		else {
-			codec->patch_ops.init(codec);
-			snd_hda_codec_resume_amp(codec);
-			snd_hda_codec_resume_cache(codec);
-		}
+		hda_call_codec_resume(codec);
 	}
 	return 0;
 }
+#endif /* !CONFIG_SND_HDA_POWER_SAVE */
 
 #endif
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 92938d2..1ffffaa 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -26,6 +26,10 @@
 #include <sound/pcm.h>
 #include <sound/hwdep.h>
 
+#if defined(CONFIG_PM) || defined(CONFIG_SND_HDA_POWER_SAVE)
+#define SND_HDA_NEEDS_RESUME	/* resume control code is required */
+#endif
+
 /*
  * nodes
  */
@@ -412,6 +416,10 @@
 	unsigned int (*get_response)(struct hda_codec *codec);
 	/* free the private data */
 	void (*private_free)(struct hda_bus *);
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	/* notify power-up/down from codec to contoller */
+	void (*pm_notify)(struct hda_codec *codec);
+#endif
 };
 
 /* template to pass to the bus constructor */
@@ -473,10 +481,13 @@
 	int (*init)(struct hda_codec *codec);
 	void (*free)(struct hda_codec *codec);
 	void (*unsol_event)(struct hda_codec *codec, unsigned int res);
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 	int (*suspend)(struct hda_codec *codec, pm_message_t state);
 	int (*resume)(struct hda_codec *codec);
 #endif
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
+#endif
 };
 
 /* record for amp information cache */
@@ -573,6 +584,12 @@
 	unsigned int spdif_in_enable;	/* SPDIF input enable? */
 
 	struct snd_hwdep *hwdep;	/* assigned hwdep device */
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	int power_on;		/* current (global) power-state */
+	int power_count;	/* current (global) power refcount */
+	struct delayed_work power_work; /* delayed task for powerdown */
+#endif
 };
 
 /* direction */
@@ -617,7 +634,7 @@
 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
 
 /* cached write */
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
 			      int direct, unsigned int verb, unsigned int parm);
 void snd_hda_sequence_write_cache(struct hda_codec *codec,
@@ -662,4 +679,15 @@
 int snd_hda_resume(struct hda_bus *bus);
 #endif
 
+/*
+ * power saving
+ */
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+void snd_hda_power_up(struct hda_codec *codec);
+void snd_hda_power_down(struct hda_codec *codec);
+#else
+static inline void snd_hda_power_up(struct hda_codec *codec) {}
+static inline void snd_hda_power_down(struct hda_codec *codec) {}
+#endif
+
 #endif /* __SOUND_HDA_CODEC_H */
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 91cd9b9e..819c804 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -70,6 +70,13 @@
 	struct hda_pcm pcm_rec;		/* PCM information */
 
 	struct list_head nid_list;	/* list of widgets */
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+#define MAX_LOOPBACK_AMPS	7
+	struct hda_loopback_check loopback;
+	int num_loopbacks;
+	struct hda_amp_list loopback_list[MAX_LOOPBACK_AMPS + 1];
+#endif
 };
 
 /*
@@ -682,11 +689,33 @@
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static void add_input_loopback(struct hda_codec *codec, hda_nid_t nid,
+			       int dir, int idx)
+{
+	struct hda_gspec *spec = codec->spec;
+	struct hda_amp_list *p;
+
+	if (spec->num_loopbacks >= MAX_LOOPBACK_AMPS) {
+		snd_printk(KERN_ERR "hda_generic: Too many loopback ctls\n");
+		return;
+	}
+	p = &spec->loopback_list[spec->num_loopbacks++];
+	p->nid = nid;
+	p->dir = dir;
+	p->idx = idx;
+	spec->loopback.amplist = spec->loopback_list;
+}
+#else
+#define add_input_loopback(codec,nid,dir,idx)
+#endif
+
 /*
  * create mixer controls if possible
  */
 static int create_mixer(struct hda_codec *codec, struct hda_gnode *node,
-			unsigned int index, const char *type, const char *dir_sfx)
+			unsigned int index, const char *type,
+			const char *dir_sfx, int is_loopback)
 {
 	char name[32];
 	int err;
@@ -700,6 +729,8 @@
 	if ((node->wid_caps & AC_WCAP_IN_AMP) &&
 	    (node->amp_in_caps & AC_AMPCAP_MUTE)) {
 		knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT);
+		if (is_loopback)
+			add_input_loopback(codec, node->nid, HDA_INPUT, index);
 		snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index);
 		if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0)
 			return err;
@@ -707,6 +738,8 @@
 	} else if ((node->wid_caps & AC_WCAP_OUT_AMP) &&
 		   (node->amp_out_caps & AC_AMPCAP_MUTE)) {
 		knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT);
+		if (is_loopback)
+			add_input_loopback(codec, node->nid, HDA_OUTPUT, 0);
 		snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid);
 		if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0)
 			return err;
@@ -765,7 +798,7 @@
 	for (i = 0; i < spec->pcm_vol_nodes; i++) {
 		err = create_mixer(codec, spec->pcm_vol[i].node,
 				   spec->pcm_vol[i].index,
-				   names[i], "Playback");
+				   names[i], "Playback", 0);
 		if (err < 0)
 			return err;
 	}
@@ -782,7 +815,7 @@
 	case 1:
 		return create_mixer(codec, spec->pcm_vol[0].node,
 				    spec->pcm_vol[0].index,
-				    "Master", "Playback");
+				    "Master", "Playback", 0);
 	case 2:
 		if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER)
 			return create_output_mixers(codec, types_speaker);
@@ -818,7 +851,7 @@
 	if (spec->input_mux.num_items == 1) {
 		err = create_mixer(codec, adc_node,
 				   spec->input_mux.items[0].index,
-				   NULL, "Capture");
+				   NULL, "Capture", 0);
 		if (err < 0)
 			return err;
 		return 0;
@@ -884,7 +917,8 @@
 			return err;
 		else if (err >= 1) {
 			if (err == 1) {
-				err = create_mixer(codec, node, i, type, "Playback");
+				err = create_mixer(codec, node, i, type,
+						   "Playback", 1);
 				if (err < 0)
 					return err;
 				if (err > 0)
@@ -1020,6 +1054,14 @@
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct hda_gspec *spec = codec->spec;
+	return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
+}
+#endif
+
 
 /*
  */
@@ -1027,6 +1069,9 @@
 	.build_controls = build_generic_controls,
 	.build_pcms = build_generic_pcms,
 	.free = snd_hda_generic_free,
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	.check_power_status = generic_check_power_status,
+#endif
 };
 
 /*
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index ebb442d..7be3a9b 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -75,6 +75,7 @@
 module_param(enable_msi, int, 0);
 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
 
+/* power_save option is defined in hda_codec.c */
 
 /* just for backward compatibility */
 static int enable;
@@ -102,6 +103,18 @@
 #define SFX	"hda-intel: "
 
 /*
+ * build flags
+ */
+
+/*
+ * reset the HD-audio controller in power save mode.
+ * this may give more power-saving, but will take longer time to
+ * wake up.
+ */
+#define HDA_POWER_SAVE_RESET_CONTROLLER
+
+
+/*
  * registers
  */
 #define ICH6_REG_GCAP			0x00
@@ -345,6 +358,7 @@
 
 	/* flags */
 	int position_fix;
+	unsigned int running :1;
 	unsigned int initialized :1;
 	unsigned int single_cmd :1;
 	unsigned int polling_mode :1;
@@ -665,6 +679,9 @@
 		return azx_rirb_get_response(codec);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static void azx_power_notify(struct hda_codec *codec);
+#endif
 
 /* reset codec link */
 static int azx_reset(struct azx *chip)
@@ -790,19 +807,12 @@
 
 
 /*
- * initialize the chip
+ * reset and start the controller registers
  */
 static void azx_init_chip(struct azx *chip)
 {
-	unsigned char reg;
-
-	/* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
-	 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
-	 * Ensuring these bits are 0 clears playback static on some HD Audio
-	 * codecs
-	 */
-	pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, &reg);
-	pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8);
+	if (chip->initialized)
+		return;
 
 	/* reset controller */
 	azx_reset(chip);
@@ -819,22 +829,45 @@
 	azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
 	azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
 
+	chip->initialized = 1;
+}
+
+/*
+ * initialize the PCI registers
+ */
+/* update bits in a PCI register byte */
+static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
+			    unsigned char mask, unsigned char val)
+{
+	unsigned char data;
+
+	pci_read_config_byte(pci, reg, &data);
+	data &= ~mask;
+	data |= (val & mask);
+	pci_write_config_byte(pci, reg, data);
+}
+
+static void azx_init_pci(struct azx *chip)
+{
+	/* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
+	 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
+	 * Ensuring these bits are 0 clears playback static on some HD Audio
+	 * codecs
+	 */
+	update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
+
 	switch (chip->driver_type) {
 	case AZX_DRIVER_ATI:
 		/* For ATI SB450 azalia HD audio, we need to enable snoop */
-		pci_read_config_byte(chip->pci,
-				     ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 
-				     &reg);
-		pci_write_config_byte(chip->pci,
-				      ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 
-				      (reg & 0xf8) |
-				      ATI_SB450_HDAUDIO_ENABLE_SNOOP);
+		update_pci_byte(chip->pci,
+				ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 
+				0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
 		break;
 	case AZX_DRIVER_NVIDIA:
 		/* For NVIDIA HDA, enable snoop */
-		pci_read_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, &reg);
-		pci_write_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR,
-				      (reg & 0xf0) | NVIDIA_HDA_ENABLE_COHBITS);
+		update_pci_byte(chip->pci,
+				NVIDIA_HDA_TRANSREG_ADDR,
+				0x0f, NVIDIA_HDA_ENABLE_COHBITS);
 		break;
         }
 }
@@ -1007,6 +1040,9 @@
 	bus_temp.pci = chip->pci;
 	bus_temp.ops.command = azx_send_cmd;
 	bus_temp.ops.get_response = azx_get_response;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	bus_temp.ops.pm_notify = azx_power_notify;
+#endif
 
 	err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
 	if (err < 0)
@@ -1128,9 +1164,11 @@
 				   128);
 	snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
 				   128);
+	snd_hda_power_up(apcm->codec);
 	err = hinfo->ops.open(hinfo, apcm->codec, substream);
 	if (err < 0) {
 		azx_release_device(azx_dev);
+		snd_hda_power_down(apcm->codec);
 		mutex_unlock(&chip->open_mutex);
 		return err;
 	}
@@ -1159,6 +1197,7 @@
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	azx_release_device(azx_dev);
 	hinfo->ops.close(hinfo, apcm->codec, substream);
+	snd_hda_power_down(apcm->codec);
 	mutex_unlock(&chip->open_mutex);
 	return 0;
 }
@@ -1459,6 +1498,48 @@
 }
 
 
+static void azx_stop_chip(struct azx *chip)
+{
+	if (chip->initialized)
+		return;
+
+	/* disable interrupts */
+	azx_int_disable(chip);
+	azx_int_clear(chip);
+
+	/* disable CORB/RIRB */
+	azx_free_cmd_io(chip);
+
+	/* disable position buffer */
+	azx_writel(chip, DPLBASE, 0);
+	azx_writel(chip, DPUBASE, 0);
+
+	chip->initialized = 0;
+}
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+/* power-up/down the controller */
+static void azx_power_notify(struct hda_codec *codec)
+{
+	struct azx *chip = codec->bus->private_data;
+	struct hda_codec *c;
+	int power_on = 0;
+
+	list_for_each_entry(c, &codec->bus->codec_list, list) {
+		if (c->power_on) {
+			power_on = 1;
+			break;
+		}
+	}
+	if (power_on)
+		azx_init_chip(chip);
+#ifdef HDA_POWER_SAVE_RESET_CONTROLLER
+	else if (chip->running)
+		azx_stop_chip(chip);
+#endif
+}
+#endif /* CONFIG_SND_HDA_POWER_SAVE */
+
 #ifdef CONFIG_PM
 /*
  * power management
@@ -1473,7 +1554,7 @@
 	for (i = 0; i < chip->pcm_devs; i++)
 		snd_pcm_suspend_all(chip->pcm[i]);
 	snd_hda_suspend(chip->bus, state);
-	azx_free_cmd_io(chip);
+	azx_stop_chip(chip);
 	if (chip->irq >= 0) {
 		synchronize_irq(chip->irq);
 		free_irq(chip->irq, chip);
@@ -1506,8 +1587,12 @@
 			chip->msi = 0;
 	if (azx_acquire_irq(chip, 1) < 0)
 		return -EIO;
+	azx_init_pci(chip);
+#ifndef CONFIG_SND_HDA_POWER_SAVE
+	/* the explicit resume is needed only when POWER_SAVE isn't set */
 	azx_init_chip(chip);
 	snd_hda_resume(chip->bus);
+#endif
 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 	return 0;
 }
@@ -1521,20 +1606,9 @@
 {
 	if (chip->initialized) {
 		int i;
-
 		for (i = 0; i < chip->num_streams; i++)
 			azx_stream_stop(chip, &chip->azx_dev[i]);
-
-		/* disable interrupts */
-		azx_int_disable(chip);
-		azx_int_clear(chip);
-
-		/* disable CORB/RIRB */
-		azx_free_cmd_io(chip);
-
-		/* disable position buffer */
-		azx_writel(chip, DPLBASE, 0);
-		azx_writel(chip, DPUBASE, 0);
+		azx_stop_chip(chip);
 	}
 
 	if (chip->irq >= 0) {
@@ -1720,10 +1794,9 @@
 	azx_init_stream(chip);
 
 	/* initialize chip */
+	azx_init_pci(chip);
 	azx_init_chip(chip);
 
-	chip->initialized = 1;
-
 	/* codec detection */
 	if (!chip->codec_mask) {
 		snd_printk(KERN_ERR SFX "no codecs found!\n");
@@ -1750,6 +1823,19 @@
 	return err;
 }
 
+static void power_down_all_codecs(struct azx *chip)
+{
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	/* The codecs were powered up in snd_hda_codec_new().
+	 * Now all initialization done, so turn them down if possible
+	 */
+	struct hda_codec *codec;
+	list_for_each_entry(codec, &chip->bus->codec_list, list) {
+		snd_hda_power_down(codec);
+	}
+#endif
+}
+
 static int __devinit azx_probe(struct pci_dev *pci,
 			       const struct pci_device_id *pci_id)
 {
@@ -1800,6 +1886,8 @@
 	}
 
 	pci_set_drvdata(pci, card);
+	chip->running = 1;
+	power_down_all_codecs(chip);
 
 	return err;
 }
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 35ea0cf..a79d0ed 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -86,7 +86,7 @@
 			     int direction, int idx, int mask, int val);
 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 			     int dir, int idx, int mask, int val);
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 void snd_hda_codec_resume_amp(struct hda_codec *codec);
 #endif
 
@@ -366,4 +366,27 @@
  */
 int snd_hda_create_hwdep(struct hda_codec *codec);
 
+/*
+ * power-management
+ */
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+void snd_hda_schedule_power_save(struct hda_codec *codec);
+
+struct hda_amp_list {
+	hda_nid_t nid;
+	unsigned char dir;
+	unsigned char idx;
+};
+
+struct hda_loopback_check {
+	struct hda_amp_list *amplist;
+	int power_on;
+};
+
+int snd_hda_check_amp_list_power(struct hda_codec *codec,
+				 struct hda_loopback_check *check,
+				 hda_nid_t nid);
+#endif /* CONFIG_SND_HDA_POWER_SAVE */
+
 #endif /* __SOUND_HDA_LOCAL_H */
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index ccd1918..e94944f 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -262,6 +262,7 @@
 
 	if (! codec->afg)
 		return;
+	snd_hda_power_up(codec);
 	snd_iprintf(buffer, "Default PCM:\n");
 	print_pcm_caps(buffer, codec, codec->afg);
 	snd_iprintf(buffer, "Default Amp-In caps: ");
@@ -272,6 +273,7 @@
 	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 	if (! nid || nodes < 0) {
 		snd_iprintf(buffer, "Invalid AFG subtree\n");
+		snd_hda_power_down(codec);
 		return;
 	}
 	for (i = 0; i < nodes; i++, nid++) {
@@ -359,6 +361,7 @@
 			snd_iprintf(buffer, "\n");
 		}
 	}
+	snd_hda_power_down(codec);
 }
 
 /*
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index f9390a5..53cfa0d 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -73,6 +73,10 @@
 	struct snd_kcontrol_new *kctl_alloc;
 	struct hda_input_mux private_imux;
 	hda_nid_t private_dac_nids[4];
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	struct hda_loopback_check loopback;
+#endif
 };
 
 /*
@@ -144,6 +148,14 @@
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static int ad198x_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct ad198x_spec *spec = codec->spec;
+	return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
+}
+#endif
+
 /*
  * Analog playback callbacks
  */
@@ -323,6 +335,9 @@
 	.build_pcms = ad198x_build_pcms,
 	.init = ad198x_init,
 	.free = ad198x_free,
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	.check_power_status = ad198x_check_power_status,
+#endif
 };
 
 
@@ -736,6 +751,17 @@
 	{}
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list ad1986a_loopbacks[] = {
+	{ 0x13, HDA_OUTPUT, 0 }, /* Mic */
+	{ 0x14, HDA_OUTPUT, 0 }, /* Phone */
+	{ 0x15, HDA_OUTPUT, 0 }, /* CD */
+	{ 0x16, HDA_OUTPUT, 0 }, /* Aux */
+	{ 0x17, HDA_OUTPUT, 0 }, /* Line */
+	{ } /* end */
+};
+#endif
+
 static int patch_ad1986a(struct hda_codec *codec)
 {
 	struct ad198x_spec *spec;
@@ -759,6 +785,9 @@
 	spec->mixers[0] = ad1986a_mixers;
 	spec->num_init_verbs = 1;
 	spec->init_verbs[0] = ad1986a_init_verbs;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = ad1986a_loopbacks;
+#endif
 
 	codec->patch_ops = ad198x_patch_ops;
 
@@ -944,6 +973,13 @@
 	{ } /* end */
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list ad1983_loopbacks[] = {
+	{ 0x12, HDA_OUTPUT, 0 }, /* Mic */
+	{ 0x13, HDA_OUTPUT, 0 }, /* Line */
+	{ } /* end */
+};
+#endif
 
 static int patch_ad1983(struct hda_codec *codec)
 {
@@ -968,6 +1004,9 @@
 	spec->num_init_verbs = 1;
 	spec->init_verbs[0] = ad1983_init_verbs;
 	spec->spdif_route = 0;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = ad1983_loopbacks;
+#endif
 
 	codec->patch_ops = ad198x_patch_ops;
 
@@ -1091,6 +1130,17 @@
 	{ } /* end */
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list ad1981_loopbacks[] = {
+	{ 0x12, HDA_OUTPUT, 0 }, /* Front Mic */
+	{ 0x13, HDA_OUTPUT, 0 }, /* Line */
+	{ 0x1b, HDA_OUTPUT, 0 }, /* Aux */
+	{ 0x1c, HDA_OUTPUT, 0 }, /* Mic */
+	{ 0x1d, HDA_OUTPUT, 0 }, /* CD */
+	{ } /* end */
+};
+#endif
+
 /*
  * Patch for HP nx6320
  *
@@ -1350,6 +1400,9 @@
 	spec->num_init_verbs = 1;
 	spec->init_verbs[0] = ad1981_init_verbs;
 	spec->spdif_route = 0;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = ad1981_loopbacks;
+#endif
 
 	codec->patch_ops = ad198x_patch_ops;
 
@@ -2103,6 +2156,15 @@
 		snd_hda_sequence_write(codec, ad1988_laptop_hp_off);
 } 
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list ad1988_loopbacks[] = {
+	{ 0x20, HDA_INPUT, 0 }, /* Front Mic */
+	{ 0x20, HDA_INPUT, 1 }, /* Line */
+	{ 0x20, HDA_INPUT, 4 }, /* Mic */
+	{ 0x20, HDA_INPUT, 6 }, /* CD */
+	{ } /* end */
+};
+#endif
 
 /*
  * Automatic parse of I/O pins from the BIOS configuration
@@ -2647,6 +2709,9 @@
 		codec->patch_ops.unsol_event = ad1988_laptop_unsol_event;
 		break;
 	}
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = ad1988_loopbacks;
+#endif
 
 	return 0;
 }
@@ -2803,6 +2868,16 @@
 	{ } /* end */
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list ad1884_loopbacks[] = {
+	{ 0x20, HDA_INPUT, 0 }, /* Front Mic */
+	{ 0x20, HDA_INPUT, 1 }, /* Mic */
+	{ 0x20, HDA_INPUT, 2 }, /* CD */
+	{ 0x20, HDA_INPUT, 4 }, /* Docking */
+	{ } /* end */
+};
+#endif
+
 static int patch_ad1884(struct hda_codec *codec)
 {
 	struct ad198x_spec *spec;
@@ -2827,6 +2902,9 @@
 	spec->num_init_verbs = 1;
 	spec->init_verbs[0] = ad1884_init_verbs;
 	spec->spdif_route = 0;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = ad1884_loopbacks;
+#endif
 
 	codec->patch_ops = ad198x_patch_ops;
 
@@ -3208,6 +3286,16 @@
 	{ } /* end */
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list ad1882_loopbacks[] = {
+	{ 0x20, HDA_INPUT, 0 }, /* Front Mic */
+	{ 0x20, HDA_INPUT, 1 }, /* Mic */
+	{ 0x20, HDA_INPUT, 4 }, /* Line */
+	{ 0x20, HDA_INPUT, 6 }, /* CD */
+	{ } /* end */
+};
+#endif
+
 /* models */
 enum {
 	AD1882_3STACK,
@@ -3246,6 +3334,9 @@
 	spec->num_init_verbs = 1;
 	spec->init_verbs[0] = ad1882_init_verbs;
 	spec->spdif_route = 0;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = ad1882_loopbacks;
+#endif
 
 	codec->patch_ops = ad198x_patch_ops;
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index ebbabeb..b3d3916 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -240,6 +240,10 @@
 	/* for pin sensing */
 	unsigned int sense_updated: 1;
 	unsigned int jack_present: 1;
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	struct hda_loopback_check loopback;
+#endif
 };
 
 /*
@@ -264,6 +268,9 @@
 	const struct hda_input_mux *input_mux;
 	void (*unsol_event)(struct hda_codec *, unsigned int);
 	void (*init_hook)(struct hda_codec *);
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	struct hda_amp_list *loopbacks;
+#endif
 };
 
 
@@ -621,6 +628,9 @@
 
 	spec->unsol_event = preset->unsol_event;
 	spec->init_hook = preset->init_hook;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = preset->loopbacks;
+#endif
 }
 
 /* Enable GPIO mask and set output */
@@ -1287,11 +1297,13 @@
 	 * panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(6)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(7)},
 
 	/*
 	 * Set up output mixers (0x0c - 0x0f)
@@ -1836,8 +1848,8 @@
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
 	/* mute all amp mixer inputs */
 	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(5)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(6)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(7)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(6)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(7)},
 	/* line-in to input */
 	{0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN},
 	{0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
@@ -1939,7 +1951,7 @@
 	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 	{0x08, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(7)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(7)},
 	/* speaker-out */
 	{0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
 	{0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
@@ -1979,6 +1991,24 @@
 		alc880_lg_lw_automute(codec);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list alc880_loopbacks[] = {
+	{ 0x0b, HDA_INPUT, 0 },
+	{ 0x0b, HDA_INPUT, 1 },
+	{ 0x0b, HDA_INPUT, 2 },
+	{ 0x0b, HDA_INPUT, 3 },
+	{ 0x0b, HDA_INPUT, 4 },
+	{ } /* end */
+};
+
+static struct hda_amp_list alc880_lg_loopbacks[] = {
+	{ 0x0b, HDA_INPUT, 1 },
+	{ 0x0b, HDA_INPUT, 6 },
+	{ 0x0b, HDA_INPUT, 7 },
+	{ } /* end */
+};
+#endif
+
 /*
  * Common callbacks
  */
@@ -2005,6 +2035,14 @@
 		spec->unsol_event(codec, res);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static int alc_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct alc_spec *spec = codec->spec;
+	return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
+}
+#endif
+
 /*
  * Analog playback callbacks
  */
@@ -2236,6 +2274,9 @@
 	.init = alc_init,
 	.free = alc_free,
 	.unsol_event = alc_unsol_event,
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	.check_power_status = alc_check_power_status,
+#endif
 };
 
 
@@ -2860,6 +2901,9 @@
 		.input_mux = &alc880_lg_capture_source,
 		.unsol_event = alc880_lg_unsol_event,
 		.init_hook = alc880_lg_automute,
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+		.loopbacks = alc880_lg_loopbacks,
+#endif
 	},
 	[ALC880_LG_LW] = {
 		.mixers = { alc880_lg_lw_mixer },
@@ -3343,6 +3387,10 @@
 	codec->patch_ops = alc_patch_ops;
 	if (board_config == ALC880_AUTO)
 		spec->init_hook = alc880_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc880_loopbacks;
+#endif
 
 	return 0;
 }
@@ -3691,12 +3739,12 @@
 	/* Amp Indexes: CD = 0x04, Line In 1 = 0x02, Mic 1 = 0x00 &
 	 * Line In 2 = 0x03
 	 */
-	/* mute CD */
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
-	/* mute Line In */
-	{0x07,  AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	/* mute Mic */
-	{0x07,  AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	/* mute analog inputs */
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 	/* Amp Indexes: DAC = 0x01 & mixer = 0x00 */
 	/* mute Front out path */
 	{0x08, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
@@ -3741,12 +3789,12 @@
 	/* Amp Indexes: CD = 0x04, Line In 1 = 0x02, Mic 1 = 0x00 &
 	 * Line In 2 = 0x03
 	 */
-	/* unmute CD */
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x04 << 8))},
-	/* unmute Line In */
-	{0x07,  AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x02 << 8))},
-	/* unmute Mic */
-	{0x07,  AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x00 << 8))},
+	/* mute analog inputs */
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 	/* Amp Indexes: DAC = 0x01 & mixer = 0x00 */
 	/* Unmute Front out path */
 	{0x08, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x00 << 8))},
@@ -3791,12 +3839,12 @@
 	/* Amp Indexes: CD = 0x04, Line In 1 = 0x02, Mic 1 = 0x00 &
 	 * Line In 2 = 0x03
 	 */
-	/* unmute CD */
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x04 << 8))},
-	/* unmute Line In */
-	{0x07,  AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x02 << 8))},
-	/* unmute Mic */
-	{0x07,  AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x00 << 8))},
+	/* mute analog inputs */
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 	/* Amp Indexes: DAC = 0x01 & mixer = 0x00 */
 	/* Unmute Front out path */
 	{0x08, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x00 << 8))},
@@ -4418,11 +4466,12 @@
 	 * front panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	/* mute analog inputs */
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x07, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output mixers (0x08 - 0x0a)
@@ -4499,6 +4548,17 @@
 	alc260_auto_init_analog_input(codec);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list alc260_loopbacks[] = {
+	{ 0x07, HDA_INPUT, 0 },
+	{ 0x07, HDA_INPUT, 1 },
+	{ 0x07, HDA_INPUT, 2 },
+	{ 0x07, HDA_INPUT, 3 },
+	{ 0x07, HDA_INPUT, 4 },
+	{ } /* end */
+};
+#endif
+
 /*
  * ALC260 configurations
  */
@@ -4698,6 +4758,10 @@
 	codec->patch_ops = alc_patch_ops;
 	if (board_config == ALC260_AUTO)
 		spec->init_hook = alc260_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc260_loopbacks;
+#endif
 
 	return 0;
 }
@@ -5223,17 +5287,17 @@
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 * Note: PASD motherboards uses the Line In 2 as the input for
 	 * front panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output mixers (0x0c - 0x0f)
@@ -5322,6 +5386,10 @@
 	{ } /* end */
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+#define alc882_loopbacks	alc880_loopbacks
+#endif
+
 /* pcm configuration: identiacal with ALC880 */
 #define alc882_pcm_analog_playback	alc880_pcm_analog_playback
 #define alc882_pcm_analog_capture	alc880_pcm_analog_capture
@@ -5659,6 +5727,10 @@
 	codec->patch_ops = alc_patch_ops;
 	if (board_config == ALC882_AUTO)
 		spec->init_hook = alc882_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc882_loopbacks;
+#endif
 
 	return 0;
 }
@@ -6242,11 +6314,12 @@
 	{0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
 	{0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
 
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	/* mute analog input loopbacks */
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/* Front Pin: output 0 (0x0c) */
 	{0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
@@ -6515,17 +6588,17 @@
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 * Note: PASD motherboards uses the Line In 2 as the input for
 	 * front panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output mixers (0x0c - 0x0f)
@@ -6588,6 +6661,10 @@
 	{ } /* end */
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+#define alc883_loopbacks	alc880_loopbacks
+#endif
+
 /* pcm configuration: identiacal with ALC880 */
 #define alc883_pcm_analog_playback	alc880_pcm_analog_playback
 #define alc883_pcm_analog_capture	alc880_pcm_analog_capture
@@ -7029,6 +7106,10 @@
 	codec->patch_ops = alc_patch_ops;
 	if (board_config == ALC883_AUTO)
 		spec->init_hook = alc883_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc883_loopbacks;
+#endif
 
 	return 0;
 }
@@ -7186,17 +7267,17 @@
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 * Note: PASD motherboards uses the Line In 2 as the input for
 	 * front panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output mixers (0x0c - 0x0e)
@@ -7565,17 +7646,17 @@
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 * Note: PASD motherboards uses the Line In 2 as the input for
 	 * front panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output mixers (0x0c - 0x0f)
@@ -7626,19 +7707,19 @@
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 * Note: PASD motherboards uses the Line In 2 as the input for
 	 * front panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(5)},
-        {0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(6)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(5)},
+        {0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(6)},
 	
 	/*
 	 * Set up output mixers (0x0c - 0x0e)
@@ -7713,20 +7794,20 @@
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
 	{0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 * Note: PASD motherboards uses the Line In 2 as the input for front
 	 * panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(5)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(6)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(7)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(5)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(6)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(7)},
 	/*
 	 * Set up output mixers (0x0c - 0x0e)
 	 */
@@ -7796,6 +7877,10 @@
 	{ }
 };
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+#define alc262_loopbacks	alc880_loopbacks
+#endif
+
 /* pcm configuration: identiacal with ALC880 */
 #define alc262_pcm_analog_playback	alc880_pcm_analog_playback
 #define alc262_pcm_analog_capture	alc880_pcm_analog_capture
@@ -8098,6 +8183,10 @@
 	codec->patch_ops = alc_patch_ops;
 	if (board_config == ALC262_AUTO)
 		spec->init_hook = alc262_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc262_loopbacks;
+#endif
 		
 	return 0;
 }
@@ -8507,6 +8596,10 @@
 	alc268_auto_init_analog_input(codec);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+#define alc883_loopbacks	alc880_loopbacks
+#endif
+
 /*
  * configuration and preset
  */
@@ -9556,6 +9649,16 @@
 	alc861_auto_init_analog_input(codec);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list alc861_loopbacks[] = {
+	{ 0x15, HDA_INPUT, 0 },
+	{ 0x15, HDA_INPUT, 1 },
+	{ 0x15, HDA_INPUT, 2 },
+	{ 0x15, HDA_INPUT, 3 },
+	{ } /* end */
+};
+#endif
+
 
 /*
  * configuration and preset
@@ -9753,6 +9856,10 @@
 	codec->patch_ops = alc_patch_ops;
 	if (board_config == ALC861_AUTO)
 		spec->init_hook = alc861_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc861_loopbacks;
+#endif
 		
 	return 0;
 }
@@ -10035,11 +10142,11 @@
 	 * the analog-loopback mixer widget
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/* Capture mixer: unmute Mic, F-Mic, Line, CD inputs */
 	{0x22, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
@@ -10266,6 +10373,10 @@
 		alc861vd_dallas_automute(codec);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+#define alc861vd_loopbacks	alc880_loopbacks
+#endif
+
 /* pcm configuration: identiacal with ALC880 */
 #define alc861vd_pcm_analog_playback	alc880_pcm_analog_playback
 #define alc861vd_pcm_analog_capture	alc880_pcm_analog_capture
@@ -10688,6 +10799,10 @@
 
 	if (board_config == ALC861VD_AUTO)
 		spec->init_hook = alc861vd_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc861vd_loopbacks;
+#endif
 
 	return 0;
 }
@@ -10968,11 +11083,11 @@
 	{0x09, AC_VERB_SET_CONNECT_SEL, 0x00},
 	/* Front mixer: unmute input/output amp left and right (volume = 0) */
 
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	{0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 	{0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
@@ -11041,11 +11156,11 @@
 	 * panel mic (mic 2)
 	 */
 	/* Amp Indices: Mic1 = 0, Mic2 = 1, Line1 = 2, Line2 = 3, CD = 4 */
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x0b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output mixers (0x0c - 0x0f)
@@ -11132,6 +11247,10 @@
 		alc662_lenovo_101e_ispeaker_automute(codec);
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+#define alc662_loopbacks	alc880_loopbacks
+#endif
+
 
 /* pcm configuration: identiacal with ALC880 */
 #define alc662_pcm_analog_playback	alc880_pcm_analog_playback
@@ -11534,6 +11653,10 @@
 	codec->patch_ops = alc_patch_ops;
 	if (board_config == ALC662_AUTO)
 		spec->init_hook = alc662_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!spec->loopback.amplist)
+		spec->loopback.amplist = alc662_loopbacks;
+#endif
 
 	return 0;
 }
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index bf5d91b..4a98139 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1946,7 +1946,7 @@
 	}
 }
 
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 static int stac92xx_resume(struct hda_codec *codec)
 {
 	stac92xx_set_config_regs(codec);
@@ -1963,7 +1963,7 @@
 	.init = stac92xx_init,
 	.free = stac92xx_free,
 	.unsol_event = stac92xx_unsol_event,
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 	.resume = stac92xx_resume,
 #endif
 };
@@ -2460,7 +2460,7 @@
 	.build_pcms = stac92xx_build_pcms,
 	.init = stac92xx_init,
 	.free = stac92xx_free,
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
 	.resume = stac92xx_resume,
 #endif
 };
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 6c734f0..33b5e1f 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -115,6 +115,10 @@
 	struct snd_kcontrol_new *kctl_alloc;
 	struct hda_input_mux private_imux;
 	hda_nid_t private_dac_nids[4];	
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	struct hda_loopback_check loopback;
+#endif
 };
 
 static hda_nid_t vt1708_adc_nids[2] = {
@@ -305,15 +309,15 @@
 	{0x27, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 */
 	/* Amp Indices: CD = 1, Mic1 = 2, Line = 3, Mic2 = 4 */
-	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, /* master */
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output mixers (0x19 - 0x1b)
@@ -543,6 +547,14 @@
  	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static int via_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct via_spec *spec = codec->spec;
+	return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
+}
+#endif
+
 /*
  */
 static struct hda_codec_ops via_patch_ops = {
@@ -550,6 +562,9 @@
 	.build_pcms = via_build_pcms,
 	.init = via_init,
 	.free = via_free,
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	.check_power_status = via_check_power_status,
+#endif
 };
 
 /* fill in the dac_nids table from the parsed pin configuration */
@@ -738,6 +753,16 @@
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list vt1708_loopbacks[] = {
+	{ 0x17, HDA_INPUT, 1 },
+	{ 0x17, HDA_INPUT, 2 },
+	{ 0x17, HDA_INPUT, 3 },
+	{ 0x17, HDA_INPUT, 4 },
+	{ } /* end */
+};
+#endif
+
 static int vt1708_parse_auto_config(struct hda_codec *codec)
 {
 	struct via_spec *spec = codec->spec;
@@ -831,6 +856,9 @@
 	codec->patch_ops = via_patch_ops;
 
 	codec->patch_ops.init = via_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = vt1708_loopbacks;
+#endif
 
 	return 0;
 }
@@ -871,15 +899,15 @@
 	{0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
 
 
-	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
 	 * mixer widget
 	 */
 	/* Amp Indices: AOW0=0, CD = 1, Mic1 = 2, Line = 3, Mic2 = 4 */
-	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
-	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
-	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
-	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
-	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, /* unmute master */
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
 
 	/*
 	 * Set up output selector (0x1a, 0x1b, 0x29)
@@ -1227,6 +1255,16 @@
 	return 1;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+static struct hda_amp_list vt1709_loopbacks[] = {
+	{ 0x18, HDA_INPUT, 1 },
+	{ 0x18, HDA_INPUT, 2 },
+	{ 0x18, HDA_INPUT, 3 },
+	{ 0x18, HDA_INPUT, 4 },
+	{ } /* end */
+};
+#endif
+
 static int patch_vt1709_10ch(struct hda_codec *codec)
 {
 	struct via_spec *spec;
@@ -1269,6 +1307,9 @@
 	codec->patch_ops = via_patch_ops;
 
 	codec->patch_ops.init = via_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = vt1709_loopbacks;
+#endif
 
 	return 0;
 }
@@ -1359,6 +1400,9 @@
 	codec->patch_ops = via_patch_ops;
 
 	codec->patch_ops.init = via_auto_init;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	spec->loopback.amplist = vt1709_loopbacks;
+#endif
 
 	return 0;
 }