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ASoC: topology: Set the link ID when creating a FE DAI link 

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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mengdong Lin 2016-04-19 13:12:43 +08:00 committed by Mark Brown
parent e42839b012
commit b84fff5afb
2 changed files with 2 additions and 1 deletions
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2
include/uapi/sound/asoc.h
View File

@ -423,7 +423,7 @@ 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 */

1
sound/soc/soc-topology.c
View File

@ -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);