ASoC: rockchip: i2s-tdm: Fix configs init failed

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: I25b4971a1e7b0c7a740f195791238d5e74d4cc9c

Author: Sugar Zhang

sound/soc/rockchip/rockchip_i2s_tdm.c

@@ -1185,10 +1185,10 @@ static int common_soc_init(struct device *dev, u32 addr)
 			val = configs[i].txonly;
 		else
 			val = configs[i].rxonly;
-	}
 
-	if (reg)
-		regmap_write(i2s_tdm->grf, reg, val);
+		if (reg)
+			regmap_write(i2s_tdm->grf, reg, val);
+	}
 
 	return 0;
 }