[alsa-devel] [PATCH 4/4] ASoC: topology: Set CPU DAI name and enable DPCM by default for FE link

[mengdong.lin at linux.intel.com]

From: Guneshwor Singh <guneshwor.o.singh at intel.com>

When creating a FE link, the cpu_dai_name will come from topology and
dpcm will be enabled by default.

Signed-off-by: Mengdong Lin <mengdong.lin at linux.intel.com>

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index bdbfcef..ca5f828 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1586,6 +1586,7 @@ static int soc_tplg_dai_create(struct soc_tplg *tplg,
 	return snd_soc_register_dai(tplg->comp, dai_drv);
 }
 
+/* create the FE DAI link */
 static int soc_tplg_link_create(struct soc_tplg *tplg,
 	struct snd_soc_tplg_pcm *pcm)
 {
@@ -1600,6 +1601,15 @@ static int soc_tplg_link_create(struct soc_tplg *tplg,
 	link->stream_name = pcm->pcm_name;
 	link->id = pcm->pcm_id;
 
+	link->cpu_dai_name = pcm->dai_name;
+	link->codec_name = "snd-soc-dummy";
+	link->codec_dai_name = "snd-soc-dummy-dai";
+
+	/* enable DPCM */
+	link->dynamic = 1;
+	link->dpcm_playback = pcm->playback;
+	link->dpcm_capture = pcm->capture;
+
 	/* pass control to component driver for optional further init */
 	ret = soc_tplg_dai_link_load(tplg, link);
 	if (ret < 0) {
-- 
2.5.0