ALSA: hda: Unify codec construction

index 6d3c82c4b6ac..2a8fe7240f10 100644
@@ -293,8 +293,6 @@ struct hda_codec {
 #define dev_to_hda_codec(_dev)	container_of(_dev, struct hda_codec, core.dev)
 #define hda_codec_dev(_dev)	(&(_dev)->core.dev)
 
-#define hdac_to_hda_priv(_hdac) \
-			container_of(_hdac, struct hdac_hda_priv, codec.core)
 #define hdac_to_hda_codec(_hdac) container_of(_hdac, struct hda_codec, core)
 
 #define list_for_each_codec(c, bus) \

index 8debcee59224..77df4c5b274a 100644
@@ -246,7 +246,7 @@ static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream,
 		return -EINVAL;
 
 	hda_stream = &pcm->stream[substream->stream];
-	snd_hda_codec_cleanup(&hda_pvt->codec, hda_stream, substream);
+	snd_hda_codec_cleanup(hda_pvt->codec, hda_stream, substream);
 
 	return 0;
 }

@@ -264,7 +264,7 @@ static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream,
 	int ret = 0;
 
 	hda_pvt = snd_soc_component_get_drvdata(component);
-	hdev = &hda_pvt->codec.core;
+	hdev = &hda_pvt->codec->core;
 	pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
 	if (!pcm)
 		return -EINVAL;

@@ -274,7 +274,7 @@ static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream,
 	stream = hda_pvt->pcm[dai->id].stream_tag[substream->stream];
 	format_val = hda_pvt->pcm[dai->id].format_val[substream->stream];
 
-	ret = snd_hda_codec_prepare(&hda_pvt->codec, hda_stream,
+	ret = snd_hda_codec_prepare(hda_pvt->codec, hda_stream,
 				    stream, format_val, substream);
 	if (ret < 0)
 		dev_err(&hdev->dev, "codec prepare failed %d\n", ret);

@@ -299,7 +299,7 @@ static int hdac_hda_dai_open(struct snd_pcm_substream *substream,
 
 	hda_stream = &pcm->stream[substream->stream];
 
-	return hda_stream->ops.open(hda_stream, &hda_pvt->codec, substream);
+	return hda_stream->ops.open(hda_stream, hda_pvt->codec, substream);
 }
 
 static void hdac_hda_dai_close(struct snd_pcm_substream *substream,

@@ -317,7 +317,7 @@ static void hdac_hda_dai_close(struct snd_pcm_substream *substream,
 
 	hda_stream = &pcm->stream[substream->stream];
 
-	hda_stream->ops.close(hda_stream, &hda_pvt->codec, substream);
+	hda_stream->ops.close(hda_stream, hda_pvt->codec, substream);
 
 	snd_hda_codec_pcm_put(pcm);
 }

@@ -325,7 +325,7 @@ static void hdac_hda_dai_close(struct snd_pcm_substream *substream,
 static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
 						 struct snd_soc_dai *dai)
 {
-	struct hda_codec *hcodec = &hda_pvt->codec;
+	struct hda_codec *hcodec = hda_pvt->codec;
 	struct hda_pcm *cpcm;
 	const char *pcm_name;
 

@@ -394,8 +394,8 @@ static int hdac_hda_codec_probe(struct snd_soc_component *component)
 			snd_soc_component_get_drvdata(component);
 	struct snd_soc_dapm_context *dapm =
 			snd_soc_component_get_dapm(component);
-	struct hdac_device *hdev = &hda_pvt->codec.core;
-	struct hda_codec *hcodec = &hda_pvt->codec;
+	struct hdac_device *hdev = &hda_pvt->codec->core;
+	struct hda_codec *hcodec = hda_pvt->codec;
 	struct hdac_ext_link *hlink;
 	hda_codec_patch_t patch;
 	int ret;

@@ -515,8 +515,8 @@ static void hdac_hda_codec_remove(struct snd_soc_component *component)
 {
 	struct hdac_hda_priv *hda_pvt =
 		      snd_soc_component_get_drvdata(component);
-	struct hdac_device *hdev = &hda_pvt->codec.core;
-	struct hda_codec *codec = &hda_pvt->codec;
+	struct hdac_device *hdev = &hda_pvt->codec->core;
+	struct hda_codec *codec = hda_pvt->codec;
 	struct hdac_ext_link *hlink = NULL;
 
 	hlink = snd_hdac_ext_bus_get_link(hdev->bus, dev_name(&hdev->dev));

@@ -584,7 +584,6 @@ static const struct snd_soc_component_driver hdac_hda_codec = {
 static int hdac_hda_dev_probe(struct hdac_device *hdev)
 {
 	struct hdac_ext_link *hlink;
-	struct hdac_hda_priv *hda_pvt;
 	int ret;
 
 	/* hold the ref while we probe */

@@ -595,10 +594,6 @@ static int hdac_hda_dev_probe(struct hdac_device *hdev)
 	}
 	snd_hdac_ext_bus_link_get(hdev->bus, hlink);
 
-	hda_pvt = hdac_to_hda_priv(hdev);
-	if (!hda_pvt)
-		return -ENOMEM;
-
 	/* ASoC specific initialization */
 	ret = devm_snd_soc_register_component(&hdev->dev,
 					 &hdac_hda_codec, hdac_hda_dais,

@@ -608,7 +603,6 @@ static int hdac_hda_dev_probe(struct hdac_device *hdev)
 		return ret;
 	}
 
-	dev_set_drvdata(&hdev->dev, hda_pvt);
 	snd_hdac_ext_bus_link_put(hdev->bus, hlink);
 
 	return ret;

index d0efc5e254ae..fc19c34ca00e 100644
@@ -23,7 +23,7 @@ struct hdac_hda_pcm {
 };
 
 struct hdac_hda_priv {
-	struct hda_codec codec;
+	struct hda_codec *codec;
 	struct hdac_hda_pcm pcm[HDAC_LAST_DAI_ID];
 	bool need_display_power;
 };

index 83c7dfbccd9d..04b7d4f7f9e2 100644
@@ -54,7 +54,7 @@ int hda_dsp_hdmi_build_controls(struct snd_soc_card *card,
 		return -EINVAL;
 
 	hda_pvt = snd_soc_component_get_drvdata(comp);
-	hcodec = &hda_pvt->codec;
+	hcodec = hda_pvt->codec;
 
 	list_for_each_entry(hpcm, &hcodec->pcm_list_head, list) {
 		spcm = hda_dsp_hdmi_pcm_handle(card, i);

index 81144efb4b44..879ebba52832 100644
@@ -190,7 +190,7 @@ static void skl_set_hda_codec_autosuspend_delay(struct snd_soc_card *card)
 			 * all codecs are on the same bus, so it's sufficient
 			 * to look up only the first one
 			 */
-			snd_hda_set_power_save(hda_pvt->codec.bus,
+			snd_hda_set_power_save(hda_pvt->codec->bus,
 					       HDA_CODEC_AUTOSUSPEND_DELAY_MS);
 			break;
 		}

index aeca58246fc7..7e573a887118 100644
@@ -718,8 +718,8 @@ static int probe_codec(struct hdac_bus *bus, int addr)
 	if (!hda_codec)
 		return -ENOMEM;
 
-	hda_codec->codec.bus = skl_to_hbus(skl);
-	hdev = &hda_codec->codec.core;
+	hda_codec->codec->bus = skl_to_hbus(skl);
+	hdev = &hda_codec->codec->core;
 
 	err = snd_hdac_ext_bus_device_init(bus, addr, hdev, HDA_DEV_ASOC);
 	if (err < 0)

@@ -728,7 +728,7 @@ static int probe_codec(struct hdac_bus *bus, int addr)
 	/* use legacy bus only for HDA codecs, idisp uses ext bus */
 	if ((res & 0xFFFF0000) != IDISP_INTEL_VENDOR_ID) {
 		hdev->type = HDA_DEV_LEGACY;
-		load_codec_module(&hda_codec->codec);
+		load_codec_module(hda_codec->codec);
 	}
 	return 0;
 #else

index 2f3f4a733d9e..de7c53224ac3 100644
@@ -142,9 +142,9 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
 	if (!hda_priv)
 		return -ENOMEM;
 
-	hda_priv->codec.bus = hbus;
-	hdev = &hda_priv->codec.core;
-	codec = &hda_priv->codec;
+	hda_priv->codec->bus = hbus;
+	hdev = &hda_priv->codec->core;
+	codec = hda_priv->codec;
 
 	/* only probe ASoC codec drivers for HDAC-HDMI */
 	if (!hda_codec_use_common_hdmi && (resp & 0xFFFF0000) == IDISP_VID_INTEL)

index d26234f9ee46..25c7b13db278 100644
@@ -11,8 +11,8 @@ int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
 		      const struct hdac_ext_bus_ops *ext_ops);
 
 void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
-int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr,
-				struct hdac_device *hdev, int type);
+struct hda_codec *
+snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr, int type);
 void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
 void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus);
 

index 765c40a6ccba..bd3c7124aca1 100644
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/io.h>
+#include <sound/hda_codec.h>
 #include <sound/hdaudio_ext.h>
 
 MODULE_DESCRIPTION("HDA extended core");

@@ -67,39 +68,34 @@ static void default_release(struct device *dev)
 
 /**
  * snd_hdac_ext_bus_device_init - initialize the HDA extended codec base device
- * @bus: hdac bus to attach to
+ * @bus: hda bus to attach to
  * @addr: codec address
- * @hdev: hdac device to init
  * @type: codec type (HDAC_DEV_*) to use for this device
  *
- * Returns zero for success or a negative error code.
+ * Returns pointer to newly created codec or ERR_PTR.
  */
-int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr,
-				 struct hdac_device *hdev, int type)
+struct hda_codec *
+snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr, int type)
 {
-	char name[15];
+	struct hda_codec *codec;
 	int ret;
 
-	hdev->bus = bus;
-
-	snprintf(name, sizeof(name), "ehdaudio%dD%d", bus->idx, addr);
-
-	ret  = snd_hdac_device_init(hdev, bus, name, addr);
-	if (ret < 0) {
+	codec = snd_hda_codec_device_init(to_hda_bus(bus), addr, "ehdaudio%dD%d", bus->idx, addr);
+	if (IS_ERR(codec)) {
 		dev_err(bus->dev, "device init failed for hdac device\n");
-		return ret;
+		return codec;
 	}
-	hdev->type = type;
-	hdev->dev.release = default_release;
+	codec->core.type = type;
+	codec->core.dev.release = default_release;
 
-	ret = snd_hdac_device_register(hdev);
+	ret = snd_hdac_device_register(&codec->core);
 	if (ret) {
 		dev_err(bus->dev, "failed to register hdac device\n");
-		snd_hdac_ext_bus_device_exit(hdev);
-		return ret;
+		snd_hdac_ext_bus_device_exit(&codec->core);
+		return ERR_PTR(ret);
 	}
 
-	return 0;
+	return codec;
 }
 EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_init);
 

index 7e573a887118..5637292c2aa9 100644
@@ -700,9 +700,8 @@ static int probe_codec(struct hdac_bus *bus, int addr)
 	struct skl_dev *skl = bus_to_skl(bus);
 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC)
 	struct hdac_hda_priv *hda_codec;
-	int err;
 #endif
-	struct hdac_device *hdev;
+	struct hda_codec *codec;
 
 	mutex_lock(&bus->cmd_mutex);
 	snd_hdac_bus_send_cmd(bus, cmd);

@@ -718,25 +717,22 @@ static int probe_codec(struct hdac_bus *bus, int addr)
 	if (!hda_codec)
 		return -ENOMEM;
 
-	hda_codec->codec->bus = skl_to_hbus(skl);
-	hdev = &hda_codec->codec->core;
+	codec = snd_hdac_ext_bus_device_init(bus, addr, HDA_DEV_ASOC);
+	if (IS_ERR(codec))
+		return PTR_ERR(codec);
 
-	err = snd_hdac_ext_bus_device_init(bus, addr, hdev, HDA_DEV_ASOC);
-	if (err < 0)
-		return err;
+	hda_codec->codec = codec;
+	dev_set_drvdata(&codec->core.dev, hda_codec);
 
 	/* use legacy bus only for HDA codecs, idisp uses ext bus */
 	if ((res & 0xFFFF0000) != IDISP_INTEL_VENDOR_ID) {
-		hdev->type = HDA_DEV_LEGACY;
-		load_codec_module(hda_codec->codec);
+		codec->core.type = HDA_DEV_LEGACY;
+		load_codec_module(codec);
 	}
 	return 0;
 #else
-	hdev = devm_kzalloc(&skl->pci->dev, sizeof(*hdev), GFP_KERNEL);
-	if (!hdev)
-		return -ENOMEM;
-
-	return snd_hdac_ext_bus_device_init(bus, addr, hdev, HDA_DEV_ASOC);
+	codec = snd_hdac_ext_bus_device_init(bus, addr, HDA_DEV_ASOC);
+	return PTR_ERR_OR_ZERO(codec);
 #endif /* CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC */
 }
 

index de7c53224ac3..7c3ea4a12d63 100644
@@ -115,11 +115,10 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
 {
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
 	struct hdac_hda_priv *hda_priv;
-	struct hda_codec *codec;
 	int type = HDA_DEV_LEGACY;
 #endif
 	struct hda_bus *hbus = sof_to_hbus(sdev);
-	struct hdac_device *hdev;
+	struct hda_codec *codec;
 	u32 hda_cmd = (address << 28) | (AC_NODE_ROOT << 20) |
 		(AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
 	u32 resp = -1;

@@ -142,20 +141,19 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
 	if (!hda_priv)
 		return -ENOMEM;
 
-	hda_priv->codec->bus = hbus;
-	hdev = &hda_priv->codec->core;
-	codec = hda_priv->codec;
-
 	/* only probe ASoC codec drivers for HDAC-HDMI */
 	if (!hda_codec_use_common_hdmi && (resp & 0xFFFF0000) == IDISP_VID_INTEL)
 		type = HDA_DEV_ASOC;
 
-	ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev, type);
-	if (ret < 0)
-		return ret;
+	codec = snd_hdac_ext_bus_device_init(&hbus->core, address, type);
+	if (IS_ERR(codec))
+		return PTR_ERR(codec);
+
+	hda_priv->codec = codec;
+	dev_set_drvdata(&codec->core.dev, hda_priv);
 
 	if ((resp & 0xFFFF0000) == IDISP_VID_INTEL) {
-		if (!hdev->bus->audio_component) {
+		if (!hbus->core.audio_component) {
 			dev_dbg(sdev->dev,
 				"iDisp hw present but no driver\n");
 			ret = -ENOENT;

@@ -181,15 +179,12 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
 
 out:
 	if (ret < 0) {
-		snd_hdac_device_unregister(hdev);
-		put_device(&hdev->dev);
+		snd_hdac_device_unregister(&codec->core);
+		put_device(&codec->core.dev);
 	}
 #else
-	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
-	if (!hdev)
-		return -ENOMEM;
-
-	ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev, HDA_DEV_ASOC);
+	codec = snd_hdac_ext_bus_device_init(&hbus->core, address, HDA_DEV_ASOC);
+	ret = PTR_ERR_OR_ZERO(codec);
 #endif
 
 	return ret;

index 7b2e62fa82d5..44395b1b734b 100644
@@ -883,13 +883,7 @@ static void snd_hda_codec_dev_release(struct device *dev)
 	snd_hda_sysfs_clear(codec);
 	kfree(codec->modelname);
 	kfree(codec->wcaps);
-
-	/*
-	 * In the case of ASoC HD-audio, hda_codec is device managed.
-	 * It will be freed when the ASoC device is removed.
-	 */
-	if (codec->core.type == HDA_DEV_LEGACY)
-		kfree(codec);
+	kfree(codec);
 }
 
 #define DEV_NAME_LEN 31

index 44395b1b734b..17ff79e971cb 100644
@@ -925,8 +925,28 @@ snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr,
 	}
 
 	codec->bus = bus;
+	codec->depop_delay = -1;
+	codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
+	codec->core.dev.release = snd_hda_codec_dev_release;
+	codec->core.exec_verb = codec_exec_verb;
 	codec->core.type = HDA_DEV_LEGACY;
 
+	mutex_init(&codec->spdif_mutex);
+	mutex_init(&codec->control_mutex);
+	snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
+	snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
+	snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
+	snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
+	snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
+	snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
+	snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
+	snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
+	INIT_LIST_HEAD(&codec->conn_list);
+	INIT_LIST_HEAD(&codec->pcm_list_head);
+	INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
+	refcount_set(&codec->pcm_ref, 1);
+	init_waitqueue_head(&codec->remove_sleep);
+
 	return codec;
 }
 EXPORT_SYMBOL_GPL(snd_hda_codec_device_init);

@@ -979,29 +999,8 @@ int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
 	if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
 		return -EINVAL;
 
-	codec->core.dev.release = snd_hda_codec_dev_release;
-	codec->core.exec_verb = codec_exec_verb;
-
 	codec->card = card;
 	codec->addr = codec_addr;
-	mutex_init(&codec->spdif_mutex);
-	mutex_init(&codec->control_mutex);
-	snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
-	snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
-	snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
-	snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
-	snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
-	snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
-	snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
-	snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
-	INIT_LIST_HEAD(&codec->conn_list);
-	INIT_LIST_HEAD(&codec->pcm_list_head);
-	refcount_set(&codec->pcm_ref, 1);
-	init_waitqueue_head(&codec->remove_sleep);
-
-	INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
-	codec->depop_delay = -1;
-	codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
 
 #ifdef CONFIG_PM
 	codec->power_jiffies = jiffies;