asoc: Parse adsp_varient to update sound_card name for holi

Update the sound card name corresponding to 1MB SKU holi varient.

Change-Id: I6d13b5d642dee168cc79be54d0f45a58b396630f

asoc/holi.c

@@ -14,6 +14,7 @@
 #include <linux/input.h>
 #include <linux/of_device.h>
 #include <linux/soc/qcom/fsa4480-i2c.h>
+#include <linux/nvmem-consumer.h>
 #include <sound/core.h>
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
@@ -6602,6 +6603,49 @@ static int msm_audio_ssr_register(struct device *dev)
 	return ret;
 }
 
+static int msm_asoc_parse_soundcard_name(struct platform_device *pdev,
+					 struct snd_soc_card *card)
+{
+	struct nvmem_cell *cell;
+	size_t len;
+	u32 *buf;
+	u32 adsp_var_idx = 0;
+	int ret = 0;
+
+	/* get adsp variant idx */
+	cell = nvmem_cell_get(&pdev->dev, "adsp_variant");
+	if (IS_ERR_OR_NULL(cell)) {
+		dev_dbg(&pdev->dev, "%s: FAILED to get nvmem cell \n", __func__);
+		goto parse;
+	}
+	buf = nvmem_cell_read(cell, &len);
+	nvmem_cell_put(cell);
+	if (IS_ERR_OR_NULL(buf)) {
+		dev_dbg(&pdev->dev, "%s: FAILED to read nvmem cell \n", __func__);
+		goto parse;
+	}
+	if (len <= 0 || len > sizeof(u32)) {
+		dev_dbg(&pdev->dev, "%s: nvmem cell length out of range: %d\n",
+			__func__, len);
+		kfree(buf);
+		goto parse;
+	}
+	memcpy(&adsp_var_idx, buf, len);
+	kfree(buf);
+
+parse:
+	if(adsp_var_idx == 1)
+		ret = snd_soc_of_parse_card_name(card, "qcom,sku-model");
+	else
+		ret = snd_soc_of_parse_card_name(card, "qcom,model");
+
+	if (ret)
+		dev_err(&pdev->dev, "%s: parse card name failed, err:%d\n",
+			__func__, ret);
+
+	return ret;
+}
+
 static int msm_asoc_machine_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = NULL;
@@ -6637,9 +6681,9 @@ static int msm_asoc_machine_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, card);
 	snd_soc_card_set_drvdata(card, pdata);
 
-	ret = snd_soc_of_parse_card_name(card, "qcom,model");
+	ret = msm_asoc_parse_soundcard_name(pdev, card);
 	if (ret) {
-		dev_err(&pdev->dev, "%s: parse card name failed, err:%d\n",
+		dev_err(&pdev->dev, "%s: parse soundcard name failed, err:%d\n",
 			__func__, ret);
 		goto err;
 	}