ALSA: hda - Add a helper function for simple enum kcontrols

The same type of code is being used in multiple places in various
codec drivers, so put it as a core library.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 12 deletions

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 274644f6bd48..dd8cd6af5d66 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -739,18 +739,7 @@ static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
 static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_info *uinfo)
 {
-        static const char * const texts[] = {
-                "Disabled", "Enabled"
-        };
-
-        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
-        uinfo->count = 1;
-        uinfo->value.enumerated.items = 2;
-        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
-                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
-        strcpy(uinfo->value.enumerated.name,
-               texts[uinfo->value.enumerated.item]);
-        return 0;
+        return snd_hda_enum_bool_helper_info(kcontrol, uinfo);
 }
 
 static int via_pin_power_ctl_get(struct snd_kcontrol *kcontrol,