1 files changed, 10 insertions, 2 deletions

diff --git a/Documentation/sound/alsa/soc/platform.txt b/Documentation/sound/alsa/soc/platform.txt
index 06d835987c6a..d57efad37e0a 100644
--- a/Documentation/sound/alsa/soc/platform.txt
+++ b/Documentation/sound/alsa/soc/platform.txt
@@ -20,9 +20,10 @@ struct snd_soc_ops {
         int (*trigger)(struct snd_pcm_substream *, int);
 };
 
-The platform driver exports its DMA functionality via struct snd_soc_platform:-
+The platform driver exports its DMA functionality via struct
+snd_soc_platform_driver:-
 
-struct snd_soc_platform {
+struct snd_soc_platform_driver {
         char *name;
 
         int (*probe)(struct platform_device *pdev);
@@ -34,6 +35,13 @@ struct snd_soc_platform {
         int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, struct snd_pcm *);
         void (*pcm_free)(struct snd_pcm *);
 
+        /*
+         * For platform caused delay reporting.
+         * Optional.
+         */
+        snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
+                struct snd_soc_dai *);
+
         /* platform stream ops */
         struct snd_pcm_ops *pcm_ops;
 };