1 files changed, 1 insertions, 0 deletions

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 60d40b34efc0..afaf3e88e086 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -347,6 +347,7 @@ struct snd_pcm_substream {
         int number;
         char name[32];                  /* substream name */
         int stream;                     /* stream (direction) */
+        char latency_id[20];            /* latency identifier */
         size_t buffer_bytes_max;        /* limit ring buffer size */
         struct snd_dma_buffer dma_buffer;
         unsigned int dma_buf_id;