summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--sound/soc/soc-core.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 65ff61211a85..db3075dd11fe 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -505,6 +505,16 @@ static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream)
!rtd->dai_link->symmetric_rates)
return 0;
+ /* This can happen if multiple streams are starting simultaneously -
+ * the second can need to get its constraints before the first has
+ * picked a rate. Complain and allow the application to carry on.
+ */
+ if (!rtd->rate) {
+ dev_warn(&rtd->dev,
+ "Not enforcing symmetric_rates due to race\n");
+ return 0;
+ }
+
dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n", rtd->rate);
ret = snd_pcm_hw_constraint_minmax(substream->runtime,