ASoC: twl6040, fsl: use to_platform_device

Use to_platform_device() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/twl6040.c

@@ -1097,8 +1097,7 @@ static int twl6040_probe(struct snd_soc_codec *codec)
 {
 	struct twl6040_data *priv;
 	struct twl6040 *twl6040 = dev_get_drvdata(codec->dev->parent);
-	struct platform_device *pdev = container_of(codec->dev,
-						   struct platform_device, dev);
+	struct platform_device *pdev = to_platform_device(codec->dev);
 	int ret = 0;
 
 	priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);

sound/soc/fsl/mpc8610_hpcd.c

@@ -189,8 +189,7 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
 {
 	struct device *dev = pdev->dev.parent;
 	/* ssi_pdev is the platform device for the SSI node that probed us */
-	struct platform_device *ssi_pdev =
-		container_of(dev, struct platform_device, dev);
+	struct platform_device *ssi_pdev = to_platform_device(dev);
 	struct device_node *np = ssi_pdev->dev.of_node;
 	struct device_node *codec_np = NULL;
 	struct mpc8610_hpcd_data *machine_data;

sound/soc/fsl/p1022_ds.c

@@ -199,8 +199,7 @@ static int p1022_ds_probe(struct platform_device *pdev)
 {
 	struct device *dev = pdev->dev.parent;
 	/* ssi_pdev is the platform device for the SSI node that probed us */
-	struct platform_device *ssi_pdev =
-		container_of(dev, struct platform_device, dev);
+	struct platform_device *ssi_pdev = to_platform_device(dev);
 	struct device_node *np = ssi_pdev->dev.of_node;
 	struct device_node *codec_np = NULL;
 	struct machine_data *mdata;

sound/soc/fsl/p1022_rdk.c

@@ -203,8 +203,7 @@ static int p1022_rdk_probe(struct platform_device *pdev)
 {
 	struct device *dev = pdev->dev.parent;
 	/* ssi_pdev is the platform device for the SSI node that probed us */
-	struct platform_device *ssi_pdev =
-		container_of(dev, struct platform_device, dev);
+	struct platform_device *ssi_pdev = to_platform_device(dev);
 	struct device_node *np = ssi_pdev->dev.of_node;
 	struct device_node *codec_np = NULL;
 	struct machine_data *mdata;