1 files changed, 5 insertions, 1 deletions

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 993b2405fdfe..030102caeee9 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -1087,12 +1087,16 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
                 goto unlock;
 
         mutex_lock(&pcm->open_mutex);
+        wake_up(&pcm->open_wait);
         list_del_init(&pcm->list);
         for (cidx = 0; cidx < 2; cidx++)
                 for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) {
                         snd_pcm_stream_lock_irq(substream);
-                        if (substream->runtime)
+                        if (substream->runtime) {
                                 substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED;
+                                wake_up(&substream->runtime->sleep);
+                                wake_up(&substream->runtime->tsleep);
+                        }
                         snd_pcm_stream_unlock_irq(substream);
                 }
         list_for_each_entry(notify, &snd_pcm_notify_list, list) {