ASoC: atmel: simplify getting .drvdata

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/atmel_ssc_dai.c

@@ -1002,8 +1002,7 @@ static const struct snd_soc_component_driver atmel_ssc_component = {
 
 static int asoc_ssc_init(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct ssc_device *ssc = platform_get_drvdata(pdev);
+	struct ssc_device *ssc = dev_get_drvdata(dev);
 	int ret;
 
 	ret = snd_soc_register_component(dev, &atmel_ssc_component,
@@ -1033,8 +1032,7 @@ err:
 
 static void asoc_ssc_exit(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct ssc_device *ssc = platform_get_drvdata(pdev);
+	struct ssc_device *ssc = dev_get_drvdata(dev);
 
 	if (ssc->pdata->use_dma)
 		atmel_pcm_dma_platform_unregister(dev);