ASoC: soc-component: add snd_soc_component_compr_get_metadata()

component related function should be implemented at
soc-component.c.
This patch adds snd_soc_component_compr_get_metadata().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87zh3l6gl8.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-component.h

@@ -464,6 +464,8 @@ int snd_soc_component_compr_copy(struct snd_compr_stream *cstream,
 				 char __user *buf, size_t count);
 int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
 					 struct snd_compr_metadata *metadata);
+int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream,
+					 struct snd_compr_metadata *metadata);
 
 int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream);
 int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,

sound/soc/soc-component.c

@@ -656,6 +656,26 @@ int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
 }
 EXPORT_SYMBOL_GPL(snd_soc_component_compr_set_metadata);
 
+int snd_soc_component_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_component *component;
+	int i, ret;
+
+	for_each_rtd_components(rtd, i, component) {
+		if (component->driver->compress_ops &&
+		    component->driver->compress_ops->get_metadata) {
+			ret = component->driver->compress_ops->get_metadata(
+				component, cstream, metadata);
+			return soc_component_ret(component, ret);
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_metadata);
+
 static unsigned int soc_component_read_no_lock(
 	struct snd_soc_component *component,
 	unsigned int reg)

sound/soc/soc-compress.c

@@ -464,24 +464,14 @@ static int soc_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_component *component;
 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
-	int i, ret;
+	int ret;
 
 	ret = snd_soc_dai_compr_get_metadata(cpu_dai, cstream, metadata);
 	if (ret < 0)
 		return ret;
 
-	for_each_rtd_components(rtd, i, component) {
-		if (!component->driver->compress_ops ||
-		    !component->driver->compress_ops->get_metadata)
-			continue;
-
-		return component->driver->compress_ops->get_metadata(
-			component, cstream, metadata);
-	}
-
-	return 0;
+	return snd_soc_component_compr_get_metadata(cstream, metadata);
 }
 
 /* ASoC Compress operations */