ASoC: dapm - Add DAPM stream completion event.

In preparation for Dynamic PCM (AKA DSP) support.

This adds a callback function to be called at the completion of a DAPM stream
event.

This can be used by DSP components to perform calculations based on DAPM graphs
after completion of stream events.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index e0583b7769cb..350b1b395cac 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -524,6 +524,8 @@ struct snd_soc_dapm_context {
         enum snd_soc_bias_level target_bias_level;
         struct list_head list;
 
+        int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
+
 #ifdef CONFIG_DEBUG_FS
         struct dentry *debugfs_dapm;
 #endif
diff --git a/include/sound/soc.h b/include/sound/soc.h
index aa19f5a32ba8..64a9dd5a69d6 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -634,6 +634,9 @@ struct snd_soc_codec_driver {
         void (*seq_notifier)(struct snd_soc_dapm_context *,
                              enum snd_soc_dapm_type, int);
 
+        /* codec stream completion event */
+        int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
+
         /* probe ordering - for components with runtime dependencies */
         int probe_order;
         int remove_order;
@@ -669,6 +672,9 @@ struct snd_soc_platform_driver {
         /* platform stream ops */
         struct snd_pcm_ops *ops;
 
+        /* platform stream completion event */
+        int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
+
         /* probe ordering - for components with runtime dependencies */
         int probe_order;
         int remove_order;