asoc: lahaina: add flag to indicate if wcd is disabled

On some lahaina devices, wcd codec is disabled and it would cause
issue when trying to use wcd widgets. Add flag to indicate if wcd
is disabled

Change-Id: Id19d0bd83728b10b457767f7d43cba8dac916772
Signed-off-by: Meng Wang <mengw@codeaurora.org>

asoc/lahaina.c

@@ -194,6 +194,7 @@ struct msm_asoc_mach_data {
 	int core_audio_vote_count;
 	u32 wsa_max_devs;
 	u32 tdm_max_slots; /* Max TDM slots used */
+	int wcd_disabled;
 };
 
 struct tdm_port {
@@ -7650,6 +7651,12 @@ static int msm_aux_codec_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_card *card = NULL;
 	struct msm_asoc_mach_data *pdata;
 
+	pdata = snd_soc_card_get_drvdata(rtd->card);
+	if(!pdata)
+		return -EINVAL;
+
+	if (pdata->wcd_disabled)
+		return 0;
 	component = snd_soc_rtdcom_lookup(rtd, WCD938X_DRV_NAME);
 	if (!component) {
 		pr_err("%s component is NULL\n", __func__);
@@ -7668,7 +7675,6 @@ static int msm_aux_codec_init(struct snd_soc_pcm_runtime *rtd)
 	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 = msm_snd_info_create_subdir(card->module, "codecs",
 						 card->proc_root);
@@ -7845,6 +7851,10 @@ static int msm_asoc_machine_probe(struct platform_device *pdev)
 				"qcom,lito-is-v2-enabled",
 				&pdata->lito_v2_enabled);
 
+	of_property_read_u32(pdev->dev.of_node,
+				"qcom,wcd-disabled",
+				&pdata->wcd_disabled);
+
 	card = populate_snd_card_dailinks(&pdev->dev);
 	if (!card) {
 		dev_err(&pdev->dev, "%s: Card uninitialized\n", __func__);