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-rw-r--r--sound/core/pcm_lib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index e9debaa..fd18c3c 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -380,6 +380,8 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
* the elapsed time to detect xruns.
*/
jdelta = jiffies - runtime->hw_ptr_jiffies;
+ if (jdelta < runtime->hw_ptr_buffer_jiffies / 2)
+ goto no_delta_check;
hdelta = jdelta - delta * HZ / runtime->rate;
while (hdelta > runtime->hw_ptr_buffer_jiffies / 2 + 1) {
delta += runtime->buffer_size;