3 files changed, 4 insertions, 34 deletions

diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 4360ae9de19c..77bca5fdda50 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -510,15 +510,7 @@ static const DECLARE_TLV_DB_SCALE(db_scale_dummy, -4500, 30, 0);
   .get = snd_dummy_capsrc_get, .put = snd_dummy_capsrc_put, \
   .private_value = addr }
 
-static int snd_dummy_capsrc_info(struct snd_kcontrol *kcontrol,
-                                 struct snd_ctl_elem_info *uinfo)
-{
-        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-        uinfo->count = 2;
-        uinfo->value.integer.min = 0;
-        uinfo->value.integer.max = 1;
-        return 0;
-}
+#define snd_dummy_capsrc_info   snd_ctl_boolean_stereo_info
  
 static int snd_dummy_capsrc_get(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c
index 2025db5947ae..911c159bb3d3 100644
--- a/sound/drivers/mts64.c
+++ b/sound/drivers/mts64.c
@@ -440,15 +440,7 @@ static void mts64_write_midi(struct mts64 *mts, u8 c,
  *********************************************************************/
 
 /* SMPTE Switch */
-static int snd_mts64_ctl_smpte_switch_info(struct snd_kcontrol *kctl,
-                                           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 snd_mts64_ctl_smpte_switch_info         snd_ctl_boolean_mono_info
 
 static int snd_mts64_ctl_smpte_switch_get(struct snd_kcontrol* kctl,
                                           struct snd_ctl_elem_value *uctl)
diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c
index f63152a6a223..b8fcd79a7e11 100644
--- a/sound/drivers/vx/vx_mixer.c
+++ b/sound/drivers/vx/vx_mixer.c
@@ -647,14 +647,7 @@ static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
         return 0;
 }
 
-static int vx_audio_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
-{
-        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-        uinfo->count = 2;
-        uinfo->value.integer.min = 0;
-        uinfo->value.integer.max = 1;
-        return 0;
-}
+#define vx_audio_sw_info        snd_ctl_boolean_stereo_info
 
 static int vx_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
@@ -865,14 +858,7 @@ static int vx_peak_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
         return 0;
 }
 
-static int vx_saturation_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
-{
-        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-        uinfo->count = 2;
-        uinfo->value.integer.min = 0;
-        uinfo->value.integer.max = 1;
-        return 0;
-}
+#define vx_saturation_info      snd_ctl_boolean_stereo_info
 
 static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {