ASoC: wm8962: Use IS_ENABLED() macro

Using the IS_ENABLED() macro can make the code shorter and simpler.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/wm8962.c

@@ -74,7 +74,7 @@ struct wm8962_priv {
 	struct regulator_bulk_data supplies[WM8962_NUM_SUPPLIES];
 	struct notifier_block disable_nb[WM8962_NUM_SUPPLIES];
 
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+#if IS_ENABLED(CONFIG_INPUT)
 	struct input_dev *beep;
 	struct work_struct beep_work;
 	int beep_rate;
@@ -3108,7 +3108,7 @@ int wm8962_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
 }
 EXPORT_SYMBOL_GPL(wm8962_mic_detect);
 
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+#if IS_ENABLED(CONFIG_INPUT)
 static int beep_rates[] = {
 	500, 1000, 2000, 4000,
 };