Merge "asoc: Add codec entry node for wcd937x to support ADIE RTAC"

asoc/codecs/wcd937x/internal.h

@@ -72,6 +72,11 @@ struct wcd937x_priv {
 	struct codec_port_info
 			rx_port_mapping[MAX_PORT][MAX_CH_PER_PORT];
 	struct regulator_bulk_data *supplies;
+
+	u32 version;
+	/* Entry for version info */
+	struct snd_info_entry *entry;
+	struct snd_info_entry *version_entry;
 };
 
 struct wcd937x_micbias_setting {
@@ -128,4 +133,6 @@ extern int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_codec *codec,
 extern int wcd937x_get_micb_vout_ctl_val(u32 micb_mv);
 extern int wcd937x_micbias_control(struct snd_soc_codec *codec, int micb_num,
 			int req, bool is_dapm);
+extern int wcd937x_info_create_codec_entry(struct snd_info_entry *codec_root,
+				    struct snd_soc_codec *codec);
 #endif

asoc/codecs/wcd937x/wcd937x.c

@@ -36,6 +36,9 @@
 
 #define NUM_SWRS_DT_PARAMS 5
 
+#define WCD937X_VERSION_1_0 1
+#define WCD937X_VERSION_ENTRY_SIZE 32
+
 enum {
 	CODEC_TX = 0,
 	CODEC_RX,
@@ -1564,6 +1567,95 @@ static const struct snd_soc_dapm_route wcd9375_audio_map[] = {
 
 };
 
+static ssize_t wcd937x_version_read(struct snd_info_entry *entry,
+				   void *file_private_data,
+				   struct file *file,
+				   char __user *buf, size_t count,
+				   loff_t pos)
+{
+	struct wcd937x_priv *priv;
+	char buffer[WCD937X_VERSION_ENTRY_SIZE];
+	int len = 0;
+
+	priv = (struct wcd937x_priv *) entry->private_data;
+	if (!priv) {
+		pr_err("%s: wcd937x priv is null\n", __func__);
+		return -EINVAL;
+	}
+
+	switch (priv->version) {
+	case WCD937X_VERSION_1_0:
+		len = snprintf(buffer, sizeof(buffer), "WCD937X_1_0\n");
+		break;
+	default:
+		len = snprintf(buffer, sizeof(buffer), "VER_UNDEFINED\n");
+	}
+
+	return simple_read_from_buffer(buf, count, &pos, buffer, len);
+}
+
+static struct snd_info_entry_ops wcd937x_info_ops = {
+	.read = wcd937x_version_read,
+};
+
+/*
+ * wcd937x_info_create_codec_entry - creates wcd937x module
+ * @codec_root: The parent directory
+ * @codec: Codec instance
+ *
+ * Creates wcd937x module and version entry under the given
+ * parent directory.
+ *
+ * Return: 0 on success or negative error code on failure.
+ */
+int wcd937x_info_create_codec_entry(struct snd_info_entry *codec_root,
+				   struct snd_soc_codec *codec)
+{
+	struct snd_info_entry *version_entry;
+	struct wcd937x_priv *priv;
+	struct snd_soc_card *card;
+
+	if (!codec_root || !codec)
+		return -EINVAL;
+
+	priv = snd_soc_codec_get_drvdata(codec);
+	if (priv->entry) {
+		dev_dbg(priv->dev,
+			"%s:wcd937x module already created\n", __func__);
+		return 0;
+	}
+	card = codec->component.card;
+	priv->entry = snd_info_create_subdir(codec_root->module,
+					     "wcd937x", codec_root);
+	if (!priv->entry) {
+		dev_dbg(codec->dev, "%s: failed to create wcd937x entry\n",
+			__func__);
+		return -ENOMEM;
+	}
+	version_entry = snd_info_create_card_entry(card->snd_card,
+						   "version",
+						   priv->entry);
+	if (!version_entry) {
+		dev_dbg(codec->dev, "%s: failed to create wcd937x version entry\n",
+			__func__);
+		return -ENOMEM;
+	}
+
+	version_entry->private_data = priv;
+	version_entry->size = WCD937X_VERSION_ENTRY_SIZE;
+	version_entry->content = SNDRV_INFO_CONTENT_DATA;
+	version_entry->c.ops = &wcd937x_info_ops;
+
+	if (snd_info_register(version_entry) < 0) {
+		snd_info_free_entry(version_entry);
+		return -ENOMEM;
+	}
+	priv->version_entry = version_entry;
+
+	return 0;
+}
+EXPORT_SYMBOL(wcd937x_info_create_codec_entry);
+
 static int wcd937x_soc_codec_probe(struct snd_soc_codec *codec)
 {
 	struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
@@ -1630,6 +1722,7 @@ static int wcd937x_soc_codec_probe(struct snd_soc_codec *codec)
 			goto err_hwdep;
 		}
 	}
+	wcd937x->version = WCD937X_VERSION_1_0;
 	return ret;
 
 err_hwdep:

asoc/sm6150.c

@@ -41,6 +41,7 @@
 #include "codecs/bolero/bolero-cdc.h"
 #include <dt-bindings/sound/audio-codec-port-types.h>
 #include "codecs/bolero/wsa-macro.h"
+#include "codecs/wcd937x/internal.h"
 
 #define DRV_NAME "sm6150-asoc-snd"
 
@@ -4915,15 +4916,17 @@ static int msm_int_audrx_init(struct snd_soc_pcm_runtime *rtd)
 		}
 	}
 	card = rtd->card->snd_card;
-	entry = snd_info_create_subdir(card->module, "codecs",
-					 card->proc_root);
-	if (!entry) {
-		pr_debug("%s: Cannot create codecs module entry\n",
-			 __func__);
-		ret = 0;
-		goto err;
+	if (!pdata->codec_root) {
+		entry = snd_info_create_subdir(card->module, "codecs",
+						 card->proc_root);
+		if (!entry) {
+			pr_debug("%s: Cannot create codecs module entry\n",
+				 __func__);
+			ret = 0;
+			goto err;
+		}
+		pdata->codec_root = entry;
 	}
-	pdata->codec_root = entry;
 	bolero_info_create_codec_entry(pdata->codec_root, codec);
 	codec_reg_done = true;
 	return 0;
@@ -7878,6 +7881,8 @@ static int msm_wsa881x_init(struct snd_soc_component *component)
 	struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
 	struct msm_asoc_mach_data *pdata;
 	struct snd_soc_dapm_context *dapm;
+	struct snd_card *card = component->card->snd_card;
+	struct snd_info_entry *entry;
 	int ret = 0;
 
 	if (!codec) {
@@ -7914,10 +7919,19 @@ static int msm_wsa881x_init(struct snd_soc_component *component)
 		goto err;
 	}
 	pdata = snd_soc_card_get_drvdata(component->card);
-	if (pdata && pdata->codec_root)
-		wsa881x_codec_info_create_codec_entry(pdata->codec_root,
-						      codec);
-
+	if (!pdata->codec_root) {
+		entry = snd_info_create_subdir(card->module, "codecs",
+						 card->proc_root);
+		if (!entry) {
+			pr_err("%s: Cannot create codecs module entry\n",
+				 __func__);
+			ret = 0;
+			goto err;
+		}
+		pdata->codec_root = entry;
+	}
+	wsa881x_codec_info_create_codec_entry(pdata->codec_root,
+					      codec);
 err:
 	return ret;
 }
@@ -7928,6 +7942,9 @@ static int msm_aux_codec_init(struct snd_soc_component *component)
 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 	int ret = 0;
 	void *mbhc_calibration;
+	struct snd_info_entry *entry;
+	struct snd_card *card = component->card->snd_card;
+	struct msm_asoc_mach_data *pdata;
 
 	snd_soc_dapm_ignore_suspend(dapm, "EAR");
 	snd_soc_dapm_ignore_suspend(dapm, "AUX");
@@ -7939,6 +7956,20 @@ static int msm_aux_codec_init(struct snd_soc_component *component)
 	snd_soc_dapm_ignore_suspend(dapm, "AMIC4");
 	snd_soc_dapm_sync(dapm);
 
+	pdata = snd_soc_card_get_drvdata(component->card);
+	if (!pdata->codec_root) {
+		entry = snd_info_create_subdir(card->module, "codecs",
+						 card->proc_root);
+		if (!entry) {
+			pr_err("%s: Cannot create codecs module entry\n",
+				 __func__);
+			ret = 0;
+			goto codec_root_err;
+		}
+		pdata->codec_root = entry;
+	}
+	wcd937x_info_create_codec_entry(pdata->codec_root, codec);
+codec_root_err:
 	mbhc_calibration = def_wcd_mbhc_cal();
 	if (!mbhc_calibration) {
 		return -ENOMEM;