ASoC: simple-card-utils: tidyup simple_util_init_aux_jacks()

Current code makes old style / new style conversion difficult.
To make future conversions easier to understand, this patch clean up the
code a little. but no functional change.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/8733y2xixy.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/simple_card_utils.h

@@ -219,8 +219,7 @@ static inline int simple_util_parse_aux_devs(struct simple_util_priv *priv, char
 int simple_util_init_jack(struct snd_soc_card *card,
 			       struct simple_util_jack *sjack,
 			       int is_hp, char *prefix, char *pin);
-int simple_util_init_aux_jacks(struct simple_util_priv *priv,
-				char *prefix);
+int simple_util_init_aux_jacks(struct snd_soc_card *card, char *prefix);
 int simple_util_init_priv(struct simple_util_priv *priv,
 			       struct link_info *li);
 void simple_util_remove(struct platform_device *pdev);

sound/soc/generic/simple-card-utils.c

@@ -824,9 +824,9 @@ int simple_util_init_jack(struct snd_soc_card *card,
 }
 EXPORT_SYMBOL_GPL(simple_util_init_jack);
 
-int simple_util_init_aux_jacks(struct simple_util_priv *priv, char *prefix)
+int simple_util_init_aux_jacks(struct snd_soc_card *card, char *prefix)
 {
-	struct snd_soc_card *card = simple_priv_to_card(priv);
+	struct simple_util_priv *priv = snd_soc_card_get_drvdata(card);
 	struct snd_soc_component *component;
 	int found_jack_index = 0;
 	int type = 0;

sound/soc/generic/simple-card.c

@@ -661,7 +661,7 @@ static int simple_soc_probe(struct snd_soc_card *card)
 	if (ret < 0)
 		goto end;
 
-	ret = simple_util_init_aux_jacks(priv, PREFIX);
+	ret = simple_util_init_aux_jacks(card, PREFIX);
 end:
 	return simple_ret(priv, ret);
 }