asoc: Add wcd937x support for Cliffs

Add wcd937x support for Cliffs.

Change-Id: I21ca52133b40b621a36a82f0caa2366a1461d255
Signed-off-by: Faiz Nabi Kuchay <quic_fkuchay@quicinc.com>

asoc/codecs/wcd937x/wcd937x.c

@@ -2048,6 +2048,29 @@ static int wcd937x_ear_pa_gain_put(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
+/* wcd937x_codec_get_dev_num - returns swr device number
+ * @component: Codec instance
+ *
+ * Return: swr device number on success or negative error
+ * code on failure.
+ */
+int wcd937x_codec_get_dev_num(struct snd_soc_component *component)
+{
+	struct wcd937x_priv *wcd937x;
+
+	if (!component)
+		return -EINVAL;
+
+	wcd937x = snd_soc_component_get_drvdata(component);
+	if (!wcd937x || !wcd937x->rx_swr_dev) {
+		pr_err("%s: wcd937x component is NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	return wcd937x->rx_swr_dev->dev_num;
+}
+EXPORT_SYMBOL_GPL(wcd937x_codec_get_dev_num);
+
 static int wcd937x_get_compander(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol)
 {
@@ -2794,6 +2817,30 @@ static struct snd_info_entry_ops wcd937x_variant_ops = {
 	.read = wcd937x_variant_read,
 };
 
+/*
+ * wcd937x_get_codec_variant
+ * @component: component instance
+ *
+ * Return: codec variant or -EINVAL in error.
+ */
+int wcd937x_get_codec_variant(struct snd_soc_component *component)
+{
+	struct wcd937x_priv *priv = NULL;
+
+	if (!component)
+		return -EINVAL;
+
+	priv = snd_soc_component_get_drvdata(component);
+	if (!priv) {
+		dev_err(component->dev,
+			"%s:wcd937x not probed\n", __func__);
+		return 0;
+	}
+
+	return priv->variant;
+}
+EXPORT_SYMBOL_GPL(wcd937x_get_codec_variant);
+
 /*
  * wcd937x_info_create_codec_entry - creates wcd937x module
  * @codec_root: The parent directory