diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index bbe6eb1ff5d2..cf563e968513 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -475,6 +475,9 @@ struct snd_pcm_substream {
 #endif /* CONFIG_SND_VERBOSE_PROCFS */
 	/* misc flags */
 	unsigned int hw_opened: 1;
+#ifdef CONFIG_AUDIO_QGKI
+	spinlock_t runtime_lock;
+#endif
 };
 
 #define SUBSTREAM_BUSY(substream) ((substream)->ref_count > 0)