ASoC: soc-component: add snd_soc_component_init()

we wantn't to directly access to component related parameter
as much as possible to keep encapsulation.
This patch adds snd_soc_component_init() for it.

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/87img7w8x2.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 150b02b..7624ff5 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -46,6 +46,22 @@ int snd_soc_component_initialize(struct snd_soc_component *component,
 	return 0;
 }
 
+void snd_soc_component_set_aux(struct snd_soc_component *component,
+			       struct snd_soc_aux_dev *aux)
+{
+	component->init = (aux) ? aux->init : NULL;
+}
+
+int snd_soc_component_init(struct snd_soc_component *component)
+{
+	int ret = 0;
+
+	if (component->init)
+		ret = component->init(component);
+
+	return soc_component_ret(component, ret);
+}
+
 /**
  * snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
  * @component: COMPONENT