diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index e73b6e4135f6..75308ddc54ca 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -2112,6 +2112,9 @@ int pcm_lib_apply_appl_ptr(struct snd_pcm_substream *substream,
 	snd_pcm_uframes_t old_appl_ptr = runtime->control->appl_ptr;
 	int ret;
 
+	if (old_appl_ptr == appl_ptr)
+		return 0;
+
 	runtime->control->appl_ptr = appl_ptr;
 	if (substream->ops->ack) {
 		ret = substream->ops->ack(substream);