ASoC: imx-wm8962: Don't use i2c_client->driver

The 'driver' field of the i2c_client struct is redundant and is going to be
removed. Check i2c_client->dev.driver instead to see if a driver is bound to the
device.
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Acked-by: NMark Brown <broonie@linaro.org>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>

sound/soc/fsl/imx-wm8962.c

@@ -215,7 +215,7 @@ static int imx_wm8962_probe(struct platform_device *pdev)
 		goto fail;
 	}
 	codec_dev = of_find_i2c_device_by_node(codec_np);
-	if (!codec_dev || !codec_dev->driver) {
+	if (!codec_dev || !codec_dev->dev.driver) {
 		dev_err(&pdev->dev, "failed to find codec platform device\n");
 		ret = -EINVAL;
 		goto fail;