ALSA: core, oxygen, virtuoso: add an enum control info helper

Introduce the helper function snd_ctl_enum_info() to fill out the
elem_info fields for an enumerated control.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 14 deletions

diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index b59aeefd14db..45427d85045e 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -415,13 +415,7 @@ static int rolloff_info(struct snd_kcontrol *ctl,
                 "Sharp Roll-off", "Slow Roll-off"
         };
 
-        info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
-        info->count = 1;
-        info->value.enumerated.items = 2;
-        if (info->value.enumerated.item >= 2)
-                info->value.enumerated.item = 1;
-        strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
-        return 0;
+        return snd_ctl_enum_info(info, 1, 2, names);
 }
 
 static int rolloff_get(struct snd_kcontrol *ctl,
@@ -473,13 +467,7 @@ static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
                 "None", "High-pass Filter"
         };
 
-        info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
-        info->count = 1;
-        info->value.enumerated.items = 2;
-        if (info->value.enumerated.item >= 2)
-                info->value.enumerated.item = 1;
-        strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
-        return 0;
+        return snd_ctl_enum_info(info, 1, 2, names);
 }
 
 static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)