ASoC: rsnd: adg: tidyup rsnd_adg_get_clkin/out() parameter

set priv->adg before rsnd_adg_get_clkin/out() to be more simple code.
Nothing is changed, but is preparation for
next "ASoC: rsnd: adg: use more simple method for null_clk" patch

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87sg21i21j.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/adg.c

@@ -412,9 +412,9 @@ static struct clk *rsnd_adg_null_clk_get(struct rsnd_priv *priv)
 	return clk_hw_get_clk(priv->null_hw, NULL_CLK);
 }
 
-static void rsnd_adg_get_clkin(struct rsnd_priv *priv,
-			       struct rsnd_adg *adg)
+static void rsnd_adg_get_clkin(struct rsnd_priv *priv)
 {
+	struct rsnd_adg *adg = priv->adg;
 	struct device *dev = rsnd_priv_to_dev(priv);
 	int i;
 
@@ -430,9 +430,9 @@ static void rsnd_adg_get_clkin(struct rsnd_priv *priv,
 	}
 }
 
-static void rsnd_adg_get_clkout(struct rsnd_priv *priv,
-				struct rsnd_adg *adg)
+static void rsnd_adg_get_clkout(struct rsnd_priv *priv)
 {
+	struct rsnd_adg *adg = priv->adg;
 	struct clk *clk;
 	struct device *dev = rsnd_priv_to_dev(priv);
 	struct device_node *np = dev->of_node;
@@ -644,11 +644,11 @@ int rsnd_adg_probe(struct rsnd_priv *priv)
 	if (ret)
 		return ret;
 
-	rsnd_adg_get_clkin(priv, adg);
-	rsnd_adg_get_clkout(priv, adg);
-
 	priv->adg = adg;
 
+	rsnd_adg_get_clkin(priv);
+	rsnd_adg_get_clkout(priv);
+
 	rsnd_adg_clk_enable(priv);
 	rsnd_adg_clk_dbg_info(priv, NULL);