diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 6365ad8ca7ef..f3ce825c0b20 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2814,6 +2814,13 @@ static int soc_get_playback_capture(struct snd_soc_pcm_runtime *rtd, *capture = 1; } + if (!*playback && !*capture) { + dev_err(rtd->dev, "substream %s has no playback, no capture\n", + rtd->dai_link->stream_name); + + return -EINVAL; + } + return 0; }