AcoSail/kernel_optimize_test
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ALSA: pcm: Don't notify internal PCMs

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Notifier shouldn't listen to the changes of internal PCMs.

Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2015-02-20 17:04:08 +01:00
parent b95bd3a454
commit 646e1dd8f9
1 changed files with 8 additions and 5 deletions
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13
sound/core/pcm.c
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@ -888,8 +888,9 @@ static int snd_pcm_free(struct snd_pcm *pcm)
if (!pcm)
return 0;
list_for_each_entry(notify, &snd_pcm_notify_list, list) {
notify->n_unregister(pcm);
if (!pcm->internal) {
list_for_each_entry(notify, &snd_pcm_notify_list, list)
notify->n_unregister(pcm);
}
if (pcm->private_free)
pcm->private_free(pcm);
@ -1129,7 +1130,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
mutex_lock(&pcm->open_mutex);
wake_up(&pcm->open_wait);
list_del_init(&pcm->list);
for (cidx = 0; cidx < 2; cidx++)
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) {
@ -1139,8 +1140,10 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
}
snd_pcm_stream_unlock_irq(substream);
}
list_for_each_entry(notify, &snd_pcm_notify_list, list) {
notify->n_disconnect(pcm);
}
if (!pcm->internal) {
list_for_each_entry(notify, &snd_pcm_notify_list, list)
notify->n_disconnect(pcm);
}
for (cidx = 0; cidx < 2; cidx++) {
snd_unregister_device(&pcm->streams[cidx].dev);