diff options
| -rw-r--r-- | include/sound/soc.h | 4 | ||||
| -rw-r--r-- | sound/soc/soc-pcm.c | 10 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index c0ac3bc7b7f..65414e82c76 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -936,6 +936,10 @@ struct snd_soc_dai_link { /* machine stream operations */ const struct snd_soc_ops *ops; const struct snd_soc_compr_ops *compr_ops; + + /* For unidirectional dai links */ + bool playback_only; + bool capture_only; }; struct snd_soc_codec_conf { diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index b6c640332a1..9abaa52efb2 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2027,6 +2027,16 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) capture = 1; } + if (rtd->dai_link->playback_only) { + playback = 1; + capture = 0; + } + + if (rtd->dai_link->capture_only) { + playback = 0; + capture = 1; + } + /* create the PCM */ if (rtd->dai_link->no_pcm) { snprintf(new_name, sizeof(new_name), "(%s)", |