[PATCH v5 02/12] ASoC: soc-component: add snd_soc_component_alloc()

struct snd_soc_component will be capsuled soon, then, we will can't alloc
it. Adds snd_soc_component_alloc() to alloc it.

Signed-off-by: Kuninori Morimoto <[email protected]>
Reviewed-by: Cezary Rojewski <[email protected]>
---
 include/sound/soc-component.h |  1 +
 sound/soc/soc-component.c     | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index aa423865dbe7c..3c628402e289b 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -282,6 +282,7 @@ static inline int snd_soc_component_cache_sync(
 	return regcache_sync(component->regmap);
 }
 
+struct snd_soc_component *snd_soc_component_alloc(struct device *dev);
 void snd_soc_component_set_aux(struct snd_soc_component *component,
 			       struct snd_soc_aux_dev *aux);
 int snd_soc_component_init(struct snd_soc_component *component);
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index 718246e53e896..f0506a9c36ec9 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -29,6 +29,19 @@ static inline int _soc_component_ret_reg_rw(struct snd_soc_component *component,
 			   func, component->name, reg);
 }
 
+struct snd_soc_component *snd_soc_component_alloc(struct device *dev)
+{
+	struct snd_soc_component *component = devm_kzalloc(dev, sizeof(*component), GFP_KERNEL);
+
+	if (!component)
+		return NULL;
+
+	component->dev = dev;
+
+	return component;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_alloc);
+
 /*
  * We might want to check substream by using list.
  * In such case, we can update these macros.
-- 
2.53.0