ASoC: mfld-compress: implement .power callback

.power callback is required to invoked for compressed audio as well to turn
on/off sst, so invoke them

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

2 files changed, 8 insertions, 1 deletions

diff --git a/sound/soc/intel/sst-mfld-platform-compress.c b/sound/soc/intel/sst-mfld-platform-compress.c
index 59467775c9b8..395168986462 100644
--- a/sound/soc/intel/sst-mfld-platform-compress.c
+++ b/sound/soc/intel/sst-mfld-platform-compress.c
@@ -67,8 +67,11 @@ static int sst_platform_compr_open(struct snd_compr_stream *cstream)
                 goto out_ops;
         }
         stream->compr_ops = sst->compr_ops;
-
         stream->id = 0;
+
+        /* Turn on LPE */
+        sst->compr_ops->power(sst->dev, true);
+
         sst_set_stream_status(stream, SST_PLATFORM_INIT);
         runtime->private_data = stream;
         return 0;
@@ -83,6 +86,9 @@ static int sst_platform_compr_free(struct snd_compr_stream *cstream)
         int ret_val = 0, str_id;
 
         stream = cstream->runtime->private_data;
+        /* Turn off LPE */
+        sst->compr_ops->power(sst->dev, false);
+
         /*need to check*/
         str_id = stream->id;
         if (str_id)
diff --git a/sound/soc/intel/sst-mfld-platform.h b/sound/soc/intel/sst-mfld-platform.h
index d41d1c36031a..79c8d1246a8f 100644
--- a/sound/soc/intel/sst-mfld-platform.h
+++ b/sound/soc/intel/sst-mfld-platform.h
@@ -117,6 +117,7 @@ struct compress_sst_ops {
         int (*get_codec_caps)(struct snd_compr_codec_caps *codec);
         int (*set_metadata)(struct device *dev, unsigned int str_id,
                         struct snd_compr_metadata *mdata);
+        int (*power)(struct device *dev, bool state);
 };
 
 struct sst_ops {