From: Keyon Jie <yang.jie@linux.intel.com>
Date: Thu, 1 Aug 2019 09:15:06 +0000 (+0800)
Subject: topology: add support to parse private data for pcm
X-Git-Tag: v1.2.1~38
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=66a2d53f42e34ba1ee7ac8aff16773c5b81363ec;p=alsa-lib.git

topology: add support to parse private data for pcm

We have private data section in struct snd_soc_tplg_pcm, but alsatplg
doesn't support handling it yet, here add handling in tplg_parse_pcm()
to enable it.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/src/topology/data.c b/src/topology/data.c
index b3f4421f..729ce1f4 100644
--- a/src/topology/data.c
+++ b/src/topology/data.c
@@ -53,6 +53,9 @@ struct snd_soc_tplg_private *get_priv_data(struct tplg_elem *elem)
 	case SND_TPLG_TYPE_BE:
 		priv = &elem->link->priv;
 		break;
+	case SND_TPLG_TYPE_PCM:
+		priv = &elem->pcm->priv;
+		break;
 	default:
 		SNDERR("error: '%s': no support for private data for type %d\n",
 			elem->id, elem->type);
diff --git a/src/topology/pcm.c b/src/topology/pcm.c
index 5f586dc1..c533ee68 100644
--- a/src/topology/pcm.c
+++ b/src/topology/pcm.c
@@ -732,6 +732,14 @@ int tplg_parse_pcm(snd_tplg_t *tplg,
 				return err;
 			continue;
 		}
+
+		/* private data */
+		if (strcmp(id, "data") == 0) {
+			err = tplg_parse_data_refs(n, elem);
+			if (err < 0)
+				return err;
+			continue;
+		}
 	}
 
 	return 0;