ASoC: soc-component: add snd_soc_component_compr_get_caps()

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

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/878sb57v6q.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index f87071c..b885e96 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -523,6 +523,30 @@ int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream,
 }
 EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_params);
 
+int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream,
+				     struct snd_compr_caps *caps)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_soc_component *component;
+	int i, ret = 0;
+
+	mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
+
+	for_each_rtd_components(rtd, i, component) {
+		if (component->driver->compress_ops &&
+		    component->driver->compress_ops->get_caps) {
+			ret = component->driver->compress_ops->get_caps(
+				component, cstream, caps);
+			break;
+		}
+	}
+
+	mutex_unlock(&rtd->card->pcm_mutex);
+
+	return soc_component_ret(component, ret);
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_caps);
+
 static unsigned int soc_component_read_no_lock(
 	struct snd_soc_component *component,
 	unsigned int reg)