ALSA: Avoid endless sleep after disconnect

[platform/adaptation/renesas_rcar/renesas_kernel.git] / sound / core / pcm.c

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 993b240..030102c 100644 (file)
--- 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) {