X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=sound%2Fpci%2Fhda%2Fhda_codec.c;h=d49d0b69868769a97e67e3c0b076fdba4c1cd34f;hb=12dde4c6d6e9092cf63094e84dc1fe4e505dd6d0;hp=5d5e8012d6a5aea4de4acf71256ea54b8316e8f8;hpb=a581780aa17f9027c422cb2d10f0bd88135c36f5;p=linux-2.6-omap-h63xx.git

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 5d5e8012d6a..d49d0b69868 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -31,15 +31,6 @@
 #include <sound/initval.h>
 #include "hda_local.h"
 #include <sound/hda_hwdep.h>
-#include "hda_patch.h"	/* codec presets */
-
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-/* define this option here to hide as static */
-static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
-module_param(power_save, int, 0644);
-MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
-		 "(in second, 0 = disable).");
-#endif
 
 /*
  * vendor / preset table
@@ -70,39 +61,26 @@ static struct hda_vendor_id hda_vendor_ids[] = {
 	{} /* terminator */
 };
 
-static const struct hda_codec_preset *hda_preset_tables[] = {
-#ifdef CONFIG_SND_HDA_CODEC_REALTEK
-	snd_hda_preset_realtek,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_CMEDIA
-	snd_hda_preset_cmedia,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_ANALOG
-	snd_hda_preset_analog,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
-	snd_hda_preset_sigmatel,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_SI3054
-	snd_hda_preset_si3054,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
-	snd_hda_preset_atihdmi,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_CONEXANT
-	snd_hda_preset_conexant,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_VIA
-	snd_hda_preset_via,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_NVHDMI
-	snd_hda_preset_nvhdmi,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_INTELHDMI
-	snd_hda_preset_intelhdmi,
-#endif
-	NULL
-};
+static DEFINE_MUTEX(preset_mutex);
+static LIST_HEAD(hda_preset_tables);
+
+int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
+{
+	mutex_lock(&preset_mutex);
+	list_add_tail(&preset->list, &hda_preset_tables);
+	mutex_unlock(&preset_mutex);
+	return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset);
+
+int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
+{
+	mutex_lock(&preset_mutex);
+	list_del(&preset->list);
+	mutex_unlock(&preset_mutex);
+	return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 static void hda_power_work(struct work_struct *work);
@@ -136,6 +114,7 @@ const char *snd_hda_get_jack_location(u32 cfg)
 	}
 	return "UNKNOWN";
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_jack_location);
 
 const char *snd_hda_get_jack_connectivity(u32 cfg)
 {
@@ -143,6 +122,7 @@ const char *snd_hda_get_jack_connectivity(u32 cfg)
 
 	return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity);
 
 const char *snd_hda_get_jack_type(u32 cfg)
 {
@@ -156,6 +136,7 @@ const char *snd_hda_get_jack_type(u32 cfg)
 	return jack_types[(cfg & AC_DEFCFG_DEVICE)
 				>> AC_DEFCFG_DEVICE_SHIFT];
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_jack_type);
 
 /*
  * Compose a 32bit command word to be sent to the HD-audio controller
@@ -204,6 +185,7 @@ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 	snd_hda_power_down(codec);
 	return res;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_read);
 
 /**
  * snd_hda_codec_write - send a single command without waiting for response
@@ -232,6 +214,7 @@ int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 	snd_hda_power_down(codec);
 	return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_write);
 
 /**
  * snd_hda_sequence_write - sequence writes
@@ -246,6 +229,7 @@ void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 	for (; seq->nid; seq++)
 		snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 }
+EXPORT_SYMBOL_HDA(snd_hda_sequence_write);
 
 /**
  * snd_hda_get_sub_nodes - get the range of sub nodes
@@ -267,6 +251,7 @@ int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 	*start_id = (parm >> 16) & 0x7fff;
 	return (int)(parm & 0x7fff);
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
 
 /**
  * snd_hda_get_connections - get connection list
@@ -355,6 +340,7 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 	}
 	return conns;
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_connections);
 
 
 /**
@@ -389,6 +375,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event);
 
 /*
  * process queued unsolicited events
@@ -464,6 +451,7 @@ static int snd_hda_bus_free(struct hda_bus *bus)
 static int snd_hda_bus_dev_free(struct snd_device *device)
 {
 	struct hda_bus *bus = device->device_data;
+	bus->shutdown = 1;
 	return snd_hda_bus_free(bus);
 }
 
@@ -489,7 +477,7 @@ static int snd_hda_bus_dev_register(struct snd_device *device)
  *
  * Returns 0 if successful, or a negative error code.
  */
-int __devinit snd_hda_bus_new(struct snd_card *card,
+int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
 			      const struct hda_bus_template *temp,
 			      struct hda_bus **busp)
 {
@@ -518,6 +506,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card,
 	bus->private_data = temp->private_data;
 	bus->pci = temp->pci;
 	bus->modelname = temp->modelname;
+	bus->power_save = temp->power_save;
 	bus->ops = temp->ops;
 
 	mutex_init(&bus->cmd_mutex);
@@ -532,6 +521,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card,
 		*busp = bus;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_bus_new);
 
 #ifdef CONFIG_SND_HDA_GENERIC
 #define is_generic_config(codec) \
@@ -540,19 +530,33 @@ int __devinit snd_hda_bus_new(struct snd_card *card,
 #define is_generic_config(codec)	0
 #endif
 
+#ifdef MODULE
+#define HDA_MODREQ_MAX_COUNT	2	/* two request_modules()'s */
+#else
+#define HDA_MODREQ_MAX_COUNT	0	/* all presets are statically linked */
+#endif
+
 /*
  * find a matching codec preset
  */
 static const struct hda_codec_preset *
 find_codec_preset(struct hda_codec *codec)
 {
-	const struct hda_codec_preset **tbl, *preset;
+	struct hda_codec_preset_list *tbl;
+	const struct hda_codec_preset *preset;
+	int mod_requested = 0;
 
 	if (is_generic_config(codec))
 		return NULL; /* use the generic parser */
 
-	for (tbl = hda_preset_tables; *tbl; tbl++) {
-		for (preset = *tbl; preset->id; preset++) {
+ again:
+	mutex_lock(&preset_mutex);
+	list_for_each_entry(tbl, &hda_preset_tables, list) {
+		if (!try_module_get(tbl->owner)) {
+			snd_printk(KERN_ERR "hda_codec: cannot module_get\n");
+			continue;
+		}
+		for (preset = tbl->preset; preset->id; preset++) {
 			u32 mask = preset->mask;
 			if (preset->afg && preset->afg != codec->afg)
 				continue;
@@ -562,9 +566,27 @@ find_codec_preset(struct hda_codec *codec)
 				mask = ~0;
 			if (preset->id == (codec->vendor_id & mask) &&
 			    (!preset->rev ||
-			     preset->rev == codec->revision_id))
+			     preset->rev == codec->revision_id)) {
+				mutex_unlock(&preset_mutex);
+				codec->owner = tbl->owner;
 				return preset;
+			}
 		}
+		module_put(tbl->owner);
+	}
+	mutex_unlock(&preset_mutex);
+
+	if (mod_requested < HDA_MODREQ_MAX_COUNT) {
+		char name[32];
+		if (!mod_requested)
+			snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
+				 codec->vendor_id);
+		else
+			snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
+				 (codec->vendor_id >> 16) & 0xffff);
+		request_module(name);
+		mod_requested++;
+		goto again;
 	}
 	return NULL;
 }
@@ -604,7 +626,7 @@ static int get_codec_name(struct hda_codec *codec)
 /*
  * look for an AFG and MFG nodes
  */
-static void __devinit setup_fg_nodes(struct hda_codec *codec)
+static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec)
 {
 	int i, total_nodes;
 	hda_nid_t nid;
@@ -667,6 +689,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
 	codec->bus->caddr_tbl[codec->addr] = NULL;
 	if (codec->patch_ops.free)
 		codec->patch_ops.free(codec);
+	module_put(codec->owner);
 	free_hda_cache(&codec->amp_cache);
 	free_hda_cache(&codec->cmd_cache);
 	kfree(codec->name);
@@ -683,7 +706,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
  *
  * Returns 0 if successful, or a negative error code.
  */
-int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
+int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 				struct hda_codec **codecp)
 {
 	struct hda_codec *codec;
@@ -785,6 +808,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 		*codecp = codec;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_new);
 
 int snd_hda_codec_configure(struct hda_codec *codec)
 {
@@ -844,6 +868,7 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 	msleep(1);
 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream);
 
 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 {
@@ -857,6 +882,7 @@ void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 #endif
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
 
 /*
  * amp access functions
@@ -868,7 +894,7 @@ void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 #define INFO_AMP_VOL(ch)	(1 << (1 + (ch)))
 
 /* initialize the hash table */
-static void __devinit init_hda_cache(struct hda_cache_rec *cache,
+static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache,
 				     unsigned int record_size)
 {
 	memset(cache, 0, sizeof(*cache));
@@ -938,6 +964,7 @@ u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 	}
 	return info->amp_caps;
 }
+EXPORT_SYMBOL_HDA(query_amp_caps);
 
 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 			      unsigned int caps)
@@ -951,6 +978,7 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 	info->head.val |= INFO_AMP_CAPS;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
 
 /*
  * read the current volume to info
@@ -1004,6 +1032,7 @@ int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 		return 0;
 	return get_vol_mute(codec, info, nid, ch, direction, index);
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read);
 
 /*
  * update the AMP value, mask = bit mask to set, val = the value
@@ -1023,6 +1052,7 @@ int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 	put_vol_mute(codec, info, nid, ch, direction, idx, val);
 	return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update);
 
 /*
  * update the AMP stereo with the same mask and value
@@ -1036,6 +1066,7 @@ int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 						idx, mask, val);
 	return ret;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo);
 
 #ifdef SND_HDA_NEEDS_RESUME
 /* resume the all amp commands from the cache */
@@ -1061,6 +1092,7 @@ void snd_hda_codec_resume_amp(struct hda_codec *codec)
 		}
 	}
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
 #endif /* SND_HDA_NEEDS_RESUME */
 
 /* volume */
@@ -1088,6 +1120,7 @@ int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 	uinfo->value.integer.max = caps;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
 
 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol)
@@ -1107,6 +1140,7 @@ int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 			& HDA_AMP_VOLMASK;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get);
 
 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol)
@@ -1131,6 +1165,7 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 	snd_hda_power_down(codec);
 	return change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put);
 
 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 			  unsigned int size, unsigned int __user *_tlv)
@@ -1157,6 +1192,7 @@ int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 		return -EFAULT;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv);
 
 /*
  * set (static) TLV for virtual master volume; recalculated as max 0dB
@@ -1176,6 +1212,7 @@ void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 	tlv[2] = -nums * step;
 	tlv[3] = step;
 }
+EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv);
 
 /* find a mixer control element with the given name */
 static struct snd_kcontrol *
@@ -1195,6 +1232,7 @@ struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 {
 	return _snd_hda_find_mixer_ctl(codec, name, 0);
 }
+EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl);
 
 /* Add a control element and assign to the codec */
 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl)
@@ -1211,7 +1249,9 @@ int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl)
 	*knewp = kctl;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
 
+#ifdef CONFIG_SND_HDA_RECONFIG
 /* Clear all controls assigned to the given codec */
 void snd_hda_ctls_clear(struct hda_codec *codec)
 {
@@ -1233,19 +1273,26 @@ void snd_hda_codec_reset(struct hda_codec *codec)
 	snd_hda_ctls_clear(codec);
 	/* relase PCMs */
 	for (i = 0; i < codec->num_pcms; i++) {
-		if (codec->pcm_info[i].pcm)
+		if (codec->pcm_info[i].pcm) {
 			snd_device_free(codec->bus->card,
 					codec->pcm_info[i].pcm);
+			clear_bit(codec->pcm_info[i].device,
+				  codec->bus->pcm_dev_bits);
+		}
 	}
 	if (codec->patch_ops.free)
 		codec->patch_ops.free(codec);
+	codec->proc_widget_hook = NULL;
 	codec->spec = NULL;
 	free_hda_cache(&codec->amp_cache);
 	free_hda_cache(&codec->cmd_cache);
 	codec->num_pcms = 0;
 	codec->pcm_info = NULL;
 	codec->preset = NULL;
+	module_put(codec->owner);
+	codec->owner = NULL;
 }
+#endif /* CONFIG_SND_HDA_RECONFIG */
 
 /* create a virtual master control and add slaves */
 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
@@ -1282,6 +1329,7 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
 
 /* switch */
 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
@@ -1295,6 +1343,7 @@ int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
 	uinfo->value.integer.max = 1;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info);
 
 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol)
@@ -1314,6 +1363,7 @@ int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
 			 HDA_AMP_MUTE) ? 0 : 1;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get);
 
 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol)
@@ -1344,6 +1394,7 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
 	snd_hda_power_down(codec);
 	return change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put);
 
 /*
  * bound volume controls
@@ -1369,6 +1420,7 @@ int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 	mutex_unlock(&codec->spdif_mutex);
 	return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get);
 
 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 				  struct snd_ctl_elem_value *ucontrol)
@@ -1392,6 +1444,7 @@ int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 	mutex_unlock(&codec->spdif_mutex);
 	return err < 0 ? err : change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
 
 /*
  * generic bound volume/swtich controls
@@ -1411,6 +1464,7 @@ int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 	mutex_unlock(&codec->spdif_mutex);
 	return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info);
 
 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
@@ -1427,6 +1481,7 @@ int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 	mutex_unlock(&codec->spdif_mutex);
 	return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get);
 
 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
@@ -1449,6 +1504,7 @@ int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 	mutex_unlock(&codec->spdif_mutex);
 	return err < 0 ? err : change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put);
 
 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 			   unsigned int size, unsigned int __user *tlv)
@@ -1465,6 +1521,7 @@ int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 	mutex_unlock(&codec->spdif_mutex);
 	return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv);
 
 struct hda_ctl_ops snd_hda_bind_vol = {
 	.info = snd_hda_mixer_amp_volume_info,
@@ -1472,6 +1529,7 @@ struct hda_ctl_ops snd_hda_bind_vol = {
 	.put = snd_hda_mixer_amp_volume_put,
 	.tlv = snd_hda_mixer_amp_tlv
 };
+EXPORT_SYMBOL_HDA(snd_hda_bind_vol);
 
 struct hda_ctl_ops snd_hda_bind_sw = {
 	.info = snd_hda_mixer_amp_switch_info,
@@ -1479,6 +1537,7 @@ struct hda_ctl_ops snd_hda_bind_sw = {
 	.put = snd_hda_mixer_amp_switch_put,
 	.tlv = snd_hda_mixer_amp_tlv
 };
+EXPORT_SYMBOL_HDA(snd_hda_bind_sw);
 
 /*
  * SPDIF out controls
@@ -1585,12 +1644,12 @@ static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
 {
 	hda_nid_t *d;
 
-	snd_hda_codec_write(codec, nid, 0, verb, val);
+	snd_hda_codec_write_cache(codec, nid, 0, verb, val);
 	d = codec->slave_dig_outs;
 	if (!d)
 		return;
 	for (; *d; d++)
-		snd_hda_codec_write(codec, *d, 0, verb, val);
+		snd_hda_codec_write_cache(codec, *d, 0, verb, val);
 }
 
 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
@@ -1740,6 +1799,7 @@ int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
 	codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls);
 
 /*
  * SPDIF sharing with analog output
@@ -1777,6 +1837,7 @@ int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 	return snd_hda_ctl_add(codec,
 			   snd_ctl_new1(&spdif_share_sw, mout));
 }
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw);
 
 /*
  * SPDIF input
@@ -1886,6 +1947,7 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
 		AC_DIG1_ENABLE;
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
 
 #ifdef SND_HDA_NEEDS_RESUME
 /*
@@ -1931,6 +1993,7 @@ int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
 	snd_hda_power_down(codec);
 	return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache);
 
 /* resume the all commands from the cache */
 void snd_hda_codec_resume_cache(struct hda_codec *codec)
@@ -1946,6 +2009,7 @@ void snd_hda_codec_resume_cache(struct hda_codec *codec)
 				    get_cmd_cache_cmd(key), buffer->val);
 	}
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
 
 /**
  * snd_hda_sequence_write_cache - sequence writes with caching
@@ -1963,6 +2027,7 @@ void snd_hda_sequence_write_cache(struct hda_codec *codec,
 		snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
 					  seq->param);
 }
+EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache);
 #endif /* SND_HDA_NEEDS_RESUME */
 
 /*
@@ -2081,7 +2146,7 @@ static void hda_call_codec_resume(struct hda_codec *codec)
  *
  * Returns 0 if successful, otherwise a negative error code.
  */
-int __devinit snd_hda_build_controls(struct hda_bus *bus)
+int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus)
 {
 	struct hda_codec *codec;
 
@@ -2092,6 +2157,7 @@ int __devinit snd_hda_build_controls(struct hda_bus *bus)
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_build_controls);
 
 int snd_hda_codec_build_controls(struct hda_codec *codec)
 {
@@ -2203,6 +2269,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
 
 	return val;
 }
+EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
 
 /**
  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
@@ -2217,7 +2284,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
  *
  * Returns 0 if successful, otherwise a negative error code.
  */
-int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
+static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 				u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
 {
 	int i;
@@ -2382,6 +2449,7 @@ int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 
 	return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_is_supported_format);
 
 /*
  * PCM stuff
@@ -2438,11 +2506,59 @@ static int set_pcm_default_values(struct hda_codec *codec,
 	return 0;
 }
 
+/*
+ * get the empty PCM device number to assign
+ */
+static int get_empty_pcm_device(struct hda_bus *bus, int type)
+{
+	static const char *dev_name[HDA_PCM_NTYPES] = {
+		"Audio", "SPDIF", "HDMI", "Modem"
+	};
+	/* starting device index for each PCM type */
+	static int dev_idx[HDA_PCM_NTYPES] = {
+		[HDA_PCM_TYPE_AUDIO] = 0,
+		[HDA_PCM_TYPE_SPDIF] = 1,
+		[HDA_PCM_TYPE_HDMI] = 3,
+		[HDA_PCM_TYPE_MODEM] = 6
+	};
+	/* normal audio device indices; not linear to keep compatibility */
+	static int audio_idx[4] = { 0, 2, 4, 5 };
+	int i, dev;
+
+	switch (type) {
+	case HDA_PCM_TYPE_AUDIO:
+		for (i = 0; i < ARRAY_SIZE(audio_idx); i++) {
+			dev = audio_idx[i];
+			if (!test_bit(dev, bus->pcm_dev_bits))
+				break;
+		}
+		if (i >= ARRAY_SIZE(audio_idx)) {
+			snd_printk(KERN_WARNING "Too many audio devices\n");
+			return -EAGAIN;
+		}
+		break;
+	case HDA_PCM_TYPE_SPDIF:
+	case HDA_PCM_TYPE_HDMI:
+	case HDA_PCM_TYPE_MODEM:
+		dev = dev_idx[type];
+		if (test_bit(dev, bus->pcm_dev_bits)) {
+			snd_printk(KERN_WARNING "%s already defined\n",
+				   dev_name[type]);
+			return -EAGAIN;
+		}
+		break;
+	default:
+		snd_printk(KERN_WARNING "Invalid PCM type %d\n", type);
+		return -EINVAL;
+	}
+	set_bit(dev, bus->pcm_dev_bits);
+	return dev;
+}
+
 /*
  * attach a new PCM stream
  */
-static int __devinit
-snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
+static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
 {
 	struct hda_bus *bus = codec->bus;
 	struct hda_pcm_stream *info;
@@ -2461,6 +2577,39 @@ snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
 	return bus->ops.attach_pcm(bus, codec, pcm);
 }
 
+/* assign all PCMs of the given codec */
+int snd_hda_codec_build_pcms(struct hda_codec *codec)
+{
+	unsigned int pcm;
+	int err;
+
+	if (!codec->num_pcms) {
+		if (!codec->patch_ops.build_pcms)
+			return 0;
+		err = codec->patch_ops.build_pcms(codec);
+		if (err < 0)
+			return err;
+	}
+	for (pcm = 0; pcm < codec->num_pcms; pcm++) {
+		struct hda_pcm *cpcm = &codec->pcm_info[pcm];
+		int dev;
+
+		if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
+			return 0; /* no substreams assigned */
+
+		if (!cpcm->pcm) {
+			dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
+			if (dev < 0)
+				return 0;
+			cpcm->device = dev;
+			err = snd_hda_attach_pcm(codec, cpcm);
+			if (err < 0)
+				return err;
+		}
+	}
+	return 0;
+}
+
 /**
  * snd_hda_build_pcms - build PCM information
  * @bus: the BUS
@@ -2487,79 +2636,18 @@ snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
  *
  * This function returns 0 if successfull, or a negative error code.
  */
-int snd_hda_build_pcms(struct hda_bus *bus)
+int __devinit snd_hda_build_pcms(struct hda_bus *bus)
 {
-	static const char *dev_name[HDA_PCM_NTYPES] = {
-		"Audio", "SPDIF", "HDMI", "Modem"
-	};
-	/* starting device index for each PCM type */
-	static int dev_idx[HDA_PCM_NTYPES] = {
-		[HDA_PCM_TYPE_AUDIO] = 0,
-		[HDA_PCM_TYPE_SPDIF] = 1,
-		[HDA_PCM_TYPE_HDMI] = 3,
-		[HDA_PCM_TYPE_MODEM] = 6
-	};
-	/* normal audio device indices; not linear to keep compatibility */
-	static int audio_idx[4] = { 0, 2, 4, 5 };
 	struct hda_codec *codec;
-	int num_devs[HDA_PCM_NTYPES];
 
-	memset(num_devs, 0, sizeof(num_devs));
 	list_for_each_entry(codec, &bus->codec_list, list) {
-		unsigned int pcm;
-		int err;
-		if (!codec->num_pcms) {
-			if (!codec->patch_ops.build_pcms)
-				continue;
-			err = codec->patch_ops.build_pcms(codec);
-			if (err < 0)
-				return err;
-		}
-		for (pcm = 0; pcm < codec->num_pcms; pcm++) {
-			struct hda_pcm *cpcm = &codec->pcm_info[pcm];
-			int type = cpcm->pcm_type;
-			int dev;
-
-			if (!cpcm->stream[0].substreams &&
-			    !cpcm->stream[1].substreams)
-				continue; /* no substreams assigned */
-
-			switch (type) {
-			case HDA_PCM_TYPE_AUDIO:
-				if (num_devs[type] >= ARRAY_SIZE(audio_idx)) {
-					snd_printk(KERN_WARNING
-						   "Too many audio devices\n");
-					continue;
-				}
-				dev = audio_idx[num_devs[type]];
-				break;
-			case HDA_PCM_TYPE_SPDIF:
-			case HDA_PCM_TYPE_HDMI:
-			case HDA_PCM_TYPE_MODEM:
-				if (num_devs[type]) {
-					snd_printk(KERN_WARNING
-						   "%s already defined\n",
-						   dev_name[type]);
-					continue;
-				}
-				dev = dev_idx[type];
-				break;
-			default:
-				snd_printk(KERN_WARNING
-					   "Invalid PCM type %d\n", type);
-				continue;
-			}
-			num_devs[type]++;
-			if (!cpcm->pcm) {
-				cpcm->device = dev;
-				err = snd_hda_attach_pcm(codec, cpcm);
-				if (err < 0)
-					return err;
-			}
-		}
+		int err = snd_hda_codec_build_pcms(codec);
+		if (err < 0)
+			return err;
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_build_pcms);
 
 /**
  * snd_hda_check_board_config - compare the current codec with the config table
@@ -2615,6 +2703,7 @@ int snd_hda_check_board_config(struct hda_codec *codec,
 	}
 	return -1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
 
 /**
  * snd_hda_add_new_ctls - create controls from the array
@@ -2650,6 +2739,7 @@ int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
@@ -2692,18 +2782,26 @@ void snd_hda_power_up(struct hda_codec *codec)
 	cancel_delayed_work(&codec->power_work);
 	codec->power_transition = 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_power_up);
+
+#define power_save(codec)	\
+	((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
+
+#define power_save(codec)	\
+	((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
 
 void snd_hda_power_down(struct hda_codec *codec)
 {
 	--codec->power_count;
 	if (!codec->power_on || codec->power_count || codec->power_transition)
 		return;
-	if (power_save) {
+	if (power_save(codec)) {
 		codec->power_transition = 1; /* avoid reentrance */
 		schedule_delayed_work(&codec->power_work,
-				      msecs_to_jiffies(power_save * 1000));
+				msecs_to_jiffies(power_save(codec) * 1000));
 	}
 }
+EXPORT_SYMBOL_HDA(snd_hda_power_down);
 
 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 				 struct hda_loopback_check *check,
@@ -2740,6 +2838,7 @@ int snd_hda_check_amp_list_power(struct hda_codec *codec,
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power);
 #endif
 
 /*
@@ -2759,6 +2858,7 @@ int snd_hda_ch_mode_info(struct hda_codec *codec,
 		chmode[uinfo->value.enumerated.item].channels);
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info);
 
 int snd_hda_ch_mode_get(struct hda_codec *codec,
 			struct snd_ctl_elem_value *ucontrol,
@@ -2776,6 +2876,7 @@ int snd_hda_ch_mode_get(struct hda_codec *codec,
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get);
 
 int snd_hda_ch_mode_put(struct hda_codec *codec,
 			struct snd_ctl_elem_value *ucontrol,
@@ -2796,6 +2897,7 @@ int snd_hda_ch_mode_put(struct hda_codec *codec,
 		snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
 	return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put);
 
 /*
  * input MUX helper
@@ -2816,6 +2918,7 @@ int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 	strcpy(uinfo->value.enumerated.name, imux->items[index].label);
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_input_mux_info);
 
 int snd_hda_input_mux_put(struct hda_codec *codec,
 			  const struct hda_input_mux *imux,
@@ -2837,6 +2940,7 @@ int snd_hda_input_mux_put(struct hda_codec *codec,
 	*cur_val = idx;
 	return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_input_mux_put);
 
 
 /*
@@ -2889,6 +2993,7 @@ int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 	mutex_unlock(&codec->spdif_mutex);
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open);
 
 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 				  struct hda_multi_out *mout,
@@ -2901,6 +3006,7 @@ int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 	mutex_unlock(&codec->spdif_mutex);
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare);
 
 /*
  * release the digital out
@@ -2913,6 +3019,7 @@ int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 	mutex_unlock(&codec->spdif_mutex);
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close);
 
 /*
  * set up more restrictions for analog out
@@ -2952,6 +3059,7 @@ int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 	return snd_pcm_hw_constraint_step(substream->runtime, 0,
 					  SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open);
 
 /*
  * set up the i/o for analog out
@@ -3010,6 +3118,7 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare);
 
 /*
  * clean up the setting for analog out
@@ -3036,6 +3145,7 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 	mutex_unlock(&codec->spdif_mutex);
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup);
 
 /*
  * Helper for automatic pin configuration
@@ -3321,11 +3431,13 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);
 
 /* labels for input pins */
 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
 	"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
 };
+EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
 
 
 #ifdef CONFIG_PM
@@ -3353,11 +3465,11 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
 	}
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_suspend);
 
 /**
  * snd_hda_resume - resume the codecs
  * @bus: the HDA bus
- * @state: resume state
  *
  * Returns 0 if successful.
  *
@@ -3374,19 +3486,8 @@ int snd_hda_resume(struct hda_bus *bus)
 	}
 	return 0;
 }
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-int snd_hda_codecs_inuse(struct hda_bus *bus)
-{
-	struct hda_codec *codec;
-
-	list_for_each_entry(codec, &bus->codec_list, list) {
-		if (snd_hda_codec_needs_resume(codec))
-			return 1;
-	}
-	return 0;
-}
-#endif
-#endif
+EXPORT_SYMBOL_HDA(snd_hda_resume);
+#endif /* CONFIG_PM */
 
 /*
  * generic arrays
@@ -3415,6 +3516,7 @@ void *snd_array_new(struct snd_array *array)
 	}
 	return snd_array_elem(array, array->used++);
 }
+EXPORT_SYMBOL_HDA(snd_array_new);
 
 /* free the given array elements */
 void snd_array_free(struct snd_array *array)
@@ -3424,3 +3526,39 @@ void snd_array_free(struct snd_array *array)
 	array->alloced = 0;
 	array->list = NULL;
 }
+EXPORT_SYMBOL_HDA(snd_array_free);
+
+/*
+ * used by hda_proc.c and hda_eld.c
+ */
+void snd_print_pcm_rates(int pcm, char *buf, int buflen)
+{
+	static unsigned int rates[] = {
+		8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
+		96000, 176400, 192000, 384000
+	};
+	int i, j;
+
+	for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++)
+		if (pcm & (1 << i))
+			j += snprintf(buf + j, buflen - j,  " %d", rates[i]);
+
+	buf[j] = '\0'; /* necessary when j == 0 */
+}
+EXPORT_SYMBOL_HDA(snd_print_pcm_rates);
+
+void snd_print_pcm_bits(int pcm, char *buf, int buflen)
+{
+	static unsigned int bits[] = { 8, 16, 20, 24, 32 };
+	int i, j;
+
+	for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
+		if (pcm & (AC_SUPPCM_BITS_8 << i))
+			j += snprintf(buf + j, buflen - j,  " %d", bits[i]);
+
+	buf[j] = '\0'; /* necessary when j == 0 */
+}
+EXPORT_SYMBOL_HDA(snd_print_pcm_bits);
+
+MODULE_DESCRIPTION("HDA codec core");
+MODULE_LICENSE("GPL");