[ALSA] Clean up with common snd_ctl_boolean_*_info callbacks

Clean up codes using the new common snd_ctl_boolean_*_info() callbacks.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 4d7f8d1..fafadf9 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -350,15 +350,7 @@
  * EAPD control
  * the private value = nid | (invert << 8)
  */
-static int ad198x_eapd_info(struct snd_kcontrol *kcontrol,
-			    struct snd_ctl_elem_info *uinfo)
-{
-	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-	uinfo->count = 1;
-	uinfo->value.integer.min = 0;
-	uinfo->value.integer.max = 1;
-	return 0;
-}
+#define ad198x_eapd_info	snd_ctl_boolean_mono_info
 
 static int ad198x_eapd_get(struct snd_kcontrol *kcontrol,
 			   struct snd_ctl_elem_value *ucontrol)