ALSA: snd-aoa: two copy and paste bugs

These functions were cut and paste and the tests for NULL weren't
updated properly.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/aoa/fabrics/layout.c b/sound/aoa/fabrics/layout.c
index 61ab640..9dc5806 100644
--- a/sound/aoa/fabrics/layout.c
+++ b/sound/aoa/fabrics/layout.c
@@ -644,7 +644,7 @@
 			   struct snd_ctl_elem_value *ucontrol)		\
 {									\
 	struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol);	\
-	if (gpio->methods && gpio->methods->get_##n)			\
+	if (gpio->methods && gpio->methods->set_##n)			\
 		gpio->methods->set_##n(gpio,				\
 			!!ucontrol->value.integer.value[0]);		\
 	return 1;							\
@@ -1135,7 +1135,7 @@
 {
 	struct layout_dev *ldev = dev_get_drvdata(&sdev->ofdev.dev);
 
-	if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
+	if (ldev->gpio.methods && ldev->gpio.methods->all_amps_restore)
 		ldev->gpio.methods->all_amps_restore(&ldev->gpio);
 
 	return 0;