ASoC: compress - add support for metadata apis

Compress core added metadata apis in 9727b4, so add same in ASoC
Signed-off-by: NJeeja KP <jeeja.kp@intel.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/soc-compress.c

@@ -322,11 +322,38 @@ static int soc_compr_copy(struct snd_compr_stream *cstream,
 	return ret;
 }
 
+static int sst_compr_set_metadata(struct snd_compr_stream *cstream,
+				struct snd_compr_metadata *metadata)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_soc_platform *platform = rtd->platform;
+	int ret = 0;
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->set_metadata)
+		ret = platform->driver->compr_ops->set_metadata(cstream, metadata);
+
+	return ret;
+}
+
+static int sst_compr_get_metadata(struct snd_compr_stream *cstream,
+				struct snd_compr_metadata *metadata)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_soc_platform *platform = rtd->platform;
+	int ret = 0;
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->get_metadata)
+		ret = platform->driver->compr_ops->get_metadata(cstream, metadata);
+
+	return ret;
+}
 /* ASoC Compress operations */
 static struct snd_compr_ops soc_compr_ops = {
 	.open		= soc_compr_open,
 	.free		= soc_compr_free,
 	.set_params	= soc_compr_set_params,
+	.set_metadata   = sst_compr_set_metadata,
+	.get_metadata	= sst_compr_get_metadata,
 	.get_params	= soc_compr_get_params,
 	.trigger	= soc_compr_trigger,
 	.pointer	= soc_compr_pointer,