ASoC: dpcm: Add debugFS support for DPCM

Add debugFS files for DPCM link management information.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/include/sound/soc-dpcm.h b/include/sound/soc-dpcm.h
index cd72c1090586..e307fa30231a 100644
--- a/include/sound/soc-dpcm.h
+++ b/include/sound/soc-dpcm.h
@@ -81,6 +81,9 @@ struct snd_soc_dpcm {
 
         /* hw params for this link - may be different for each link */
         struct snd_pcm_hw_params hw_params;
+#ifdef CONFIG_DEBUG_FS
+        struct dentry *debugfs_state;
+#endif
 };
 
 /*
@@ -128,5 +131,6 @@ void snd_soc_dpcm_be_set_state(struct snd_soc_pcm_runtime *be, int stream,
 
 /* internal use only */
 int soc_dpcm_be_digital_mute(struct snd_soc_pcm_runtime *fe, int mute);
+int soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd);
 
 #endif