From: Mengdong Lin mengdong.lin@linux.intel.com
Topology will set the link's generic id when creating a FE link. Device drivers can check the id for link specific initialization.
Signed-off-by: Mengdong Lin mengdong.lin@linux.intel.com
diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h index e8def0b..fcdf5d7 100644 --- a/include/uapi/sound/asoc.h +++ b/include/uapi/sound/asoc.h @@ -480,7 +480,7 @@ struct snd_soc_tplg_pcm { __le32 size; /* in bytes of this structure */ char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - __le32 pcm_id; /* unique ID - used to match */ + __le32 pcm_id; /* unique ID - used to match with DAI link */ __le32 dai_id; /* unique ID - used to match */ __le32 playback; /* supports playback mode */ __le32 capture; /* supports capture mode */ diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 1cf94d7..bdbfcef 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1598,6 +1598,7 @@ static int soc_tplg_link_create(struct soc_tplg *tplg,
link->name = pcm->pcm_name; link->stream_name = pcm->pcm_name; + link->id = pcm->pcm_id;
/* pass control to component driver for optional further init */ ret = soc_tplg_dai_link_load(tplg, link);