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>
        struct snd_ctl_elem_info *uinfo);
 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_info *uinfo);
-int snd_soc_info_bool_ext(struct snd_kcontrol *kcontrol,
-       struct snd_ctl_elem_info *uinfo);
+#define snd_soc_info_bool_ext          snd_ctl_boolean_mono
 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol);
 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 
        .put = onyx_snd_capture_source_put,
 };
 
-static int onyx_snd_mute_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 onyx_snd_mute_info     snd_ctl_boolean_stereo_info
 
 static int onyx_snd_mute_get(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
 };
 
 
-static int onyx_snd_single_bit_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 onyx_snd_single_bit_info       snd_ctl_boolean_mono_info
 
 #define FLAG_POLARITY_INVERT   1
 #define FLAG_SPDIFLOCK         2
 
        .put = tas_snd_vol_put,
 };
 
-static int tas_snd_mute_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 tas_snd_mute_info      snd_ctl_boolean_stereo_info
 
 static int tas_snd_mute_get(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
        .put = tas_snd_drc_range_put,
 };
 
-static int tas_snd_drc_switch_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 tas_snd_drc_switch_info                snd_ctl_boolean_mono_info
 
 static int tas_snd_drc_switch_get(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
 
  * make the fabric handle all the card stuff, etc... */
 static struct layout_dev *layout_device;
 
-static int control_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 control_info   snd_ctl_boolean_mono_info
 
 #define AMP_CONTROL(n, description)                                    \
 static int n##_control_get(struct snd_kcontrol *kcontrol,              \
 
   .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)
 
  *********************************************************************/
 
 /* 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)
 
        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)
 {
        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)
 {
 
        return 0;
 }
 
-static int snd_ak4114_in_bit_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 snd_ak4114_in_bit_info         snd_ctl_boolean_mono_info
 
 static int snd_ak4114_in_bit_get(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
 
        return 0;
 }
 
-static int snd_ak4117_in_bit_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 snd_ak4117_in_bit_info         snd_ctl_boolean_mono_info
 
 static int snd_ak4117_in_bit_get(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
 
        return change;
 }
 
-static int ak4xxx_switch_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 ak4xxx_switch_info     snd_ctl_boolean_mono_info
 
 static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
 
        return -EIO;
 }
 
-static int pt2258_switch_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 pt2258_switch_info     snd_ctl_boolean_mono_info
 
 static int pt2258_switch_get(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
 
   .info = snd_tea6330t_info_master_switch, \
   .get = snd_tea6330t_get_master_switch, .put = snd_tea6330t_put_master_switch }
 
-static int snd_tea6330t_info_master_switch(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_tea6330t_info_master_switch                snd_ctl_boolean_stereo_info
 
 static int snd_tea6330t_get_master_switch(struct snd_kcontrol *kcontrol,
                                          struct snd_ctl_elem_value *ucontrol)
 
        return (snd_es18xx_mixer_bits(chip, 0x1c, 0x07, val) != val) || retVal;
 }
 
-static int snd_es18xx_info_spatializer_enable(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 snd_es18xx_info_spatializer_enable     snd_ctl_boolean_mono_info
 
 static int snd_es18xx_get_spatializer_enable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_es18xx_info_hw_switch(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_es18xx_info_hw_switch      snd_ctl_boolean_stereo_info
 
 static int snd_es18xx_get_hw_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
   .get = snd_gf1_get_single, .put = snd_gf1_put_single, \
   .private_value = shift | (invert << 8) }
 
-static int snd_gf1_info_single(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 snd_gf1_info_single    snd_ctl_boolean_mono_info
 
 static int snd_gf1_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
  *  MIXER part
  */
 
-static int snd_miro_info_capture(struct snd_kcontrol *kcontrol,
-                                struct snd_ctl_elem_info *uinfo)
-{
-       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-       uinfo->count = 1;
-
-       return 0;
-}
+#define snd_miro_info_capture  snd_ctl_boolean_mono_info
 
 static int snd_miro_get_capture(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
        return change;
 }
 
-static int snd_miro_info_amp(struct snd_kcontrol *kcontrol,
-                            struct snd_ctl_elem_info *uinfo)
-{
-       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-       uinfo->count = 1;
-
-       return 0;
-}
+#define snd_miro_info_amp      snd_ctl_boolean_mono_info
 
 static int snd_miro_get_amp(struct snd_kcontrol *kcontrol,
                            struct snd_ctl_elem_value *ucontrol)
 
  * QSound mixer control for PCM
  */
 
-static int snd_sb_qsound_switch_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 snd_sb_qsound_switch_info      snd_ctl_boolean_mono_info
 
 static int snd_sb_qsound_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
        return 0;
 }
 
-static int snd_ac97_ad1888_lohpsel_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 snd_ac97_ad1888_lohpsel_info   snd_ctl_boolean_mono_info
 
 static int snd_ac97_ad1888_lohpsel_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_ac97_ad1986_bool_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 snd_ac97_ad1986_bool_info      snd_ctl_boolean_mono_info
 
 static int snd_ac97_ad1986_lososel_get(struct snd_kcontrol *kcontrol,
                                       struct snd_ctl_elem_value *ucontrol)
 
 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
 .put = snd_ali5451_spdif_put, .private_value = value}
 
-static int snd_ali5451_spdif_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 snd_ali5451_spdif_info         snd_ctl_boolean_mono_info
 
 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
 
 /* ALSA interface */
 
 /* Control interface */
-static int
-snd_vortex_eqtoggle_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 snd_vortex_eqtoggle_info       snd_ctl_boolean_mono_info
 
 static int
 snd_vortex_eqtoggle_get(struct snd_kcontrol *kcontrol,
 
        .put = snd_bt87x_capture_volume_put,
 };
 
-static int snd_bt87x_capture_boost_info(struct snd_kcontrol *kcontrol,
-                                       struct snd_ctl_elem_info *info)
-{
-       info->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-       info->count = 1;
-       info->value.integer.min = 0;
-       info->value.integer.max = 1;
-       return 0;
-}
+#define snd_bt87x_capture_boost_info   snd_ctl_boolean_mono_info
 
 static int snd_bt87x_capture_boost_get(struct snd_kcontrol *kcontrol,
                                       struct snd_ctl_elem_value *value)
 
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);
 
-static int snd_ca0106_shared_spdif_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 snd_ca0106_shared_spdif_info   snd_ctl_boolean_mono_info
 
 static int snd_ca0106_shared_spdif_get(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
 
                                         */
 };
 
-static int snd_cmipci_uswitch_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 snd_cmipci_uswitch_info                snd_ctl_boolean_mono_info
 
 static int _snd_cmipci_uswitch_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol,
 
 }
 #endif
 
-static int snd_mixer_boolean_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 snd_mixer_boolean_info         snd_ctl_boolean_mono_info
 
 static int snd_cs46xx_iec958_get(struct snd_kcontrol *kcontrol, 
                                  struct snd_ctl_elem_value *ucontrol)
 
 #ifdef ECHOCARD_HAS_PHANTOM_POWER
 
 /******************* Phantom power switch *******************/
-static int snd_echo_phantom_power_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 snd_echo_phantom_power_info    snd_ctl_boolean_mono_info
 
 static int snd_echo_phantom_power_get(struct snd_kcontrol *kcontrol,
                                      struct snd_ctl_elem_value *ucontrol)
 #ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE
 
 /******************* Digital input automute switch *******************/
-static int snd_echo_automute_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 snd_echo_automute_info         snd_ctl_boolean_mono_info
 
 static int snd_echo_automute_get(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
 
 
 /******************* VU-meters switch *******************/
-static int snd_echo_vumeters_switch_info(struct snd_kcontrol *kcontrol,
-                                        struct snd_ctl_elem_info *uinfo)
-{
-       struct echoaudio *chip;
-
-       chip = snd_kcontrol_chip(kcontrol);
-       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-       uinfo->count = 1;
-       uinfo->value.integer.min = 0;
-       uinfo->value.integer.max = 1;
-       return 0;
-}
+#define snd_echo_vumeters_switch_info          snd_ctl_boolean_mono_info
 
 static int snd_echo_vumeters_switch_put(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
 
        return 0;
 }
 
-static int snd_emu10k1x_shared_spdif_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 snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
 
 static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
                                         struct snd_ctl_elem_value *ucontrol)
 
 
 
 
-
-static int snd_emu1010_adc_pads_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 snd_emu1010_adc_pads_info      snd_ctl_boolean_mono_info
 
 static int snd_emu1010_adc_pads_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        EMU1010_ADC_PADS("ADC1 14dB PAD 0202 Capture Switch", EMU_HANA_0202_ADC_PAD1),
 };
 
-static int snd_emu1010_dac_pads_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 snd_emu1010_dac_pads_info      snd_ctl_boolean_mono_info
 
 static int snd_emu1010_dac_pads_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        .put =          snd_emu10k1_efx_attn_put
 };
 
-static int snd_emu10k1_shared_spdif_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 snd_emu10k1_shared_spdif_info  snd_ctl_boolean_mono_info
 
 static int snd_emu10k1_shared_spdif_get(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
 
 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
 
-static int snd_es1371_spdif_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 snd_es1371_spdif_info          snd_ctl_boolean_mono_info
 
 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
 };
 
 
-static int snd_es1373_rear_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 snd_es1373_rear_info           snd_ctl_boolean_mono_info
 
 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
        .put =          snd_es1373_rear_put,
 };
 
-static int snd_es1373_line_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 snd_es1373_line_info           snd_ctl_boolean_mono_info
 
 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
   .private_value = mask }
 
-static int snd_ensoniq_control_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 snd_ensoniq_control_info       snd_ctl_boolean_mono_info
 
 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
 
        return snd_es1938_mixer_bits(chip, 0x1c, 0x07, val) != val;
 }
 
-static int snd_es1938_info_spatializer_enable(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 snd_es1938_info_spatializer_enable     snd_ctl_boolean_mono_info
 
 static int snd_es1938_get_spatializer_enable(struct snd_kcontrol *kcontrol,
                                             struct snd_ctl_elem_value *ucontrol)
        return 0;
 }
 
-static int snd_es1938_info_hw_switch(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_es1938_info_hw_switch              snd_ctl_boolean_stereo_info
 
 static int snd_es1938_get_hw_switch(struct snd_kcontrol *kcontrol,
                                    struct snd_ctl_elem_value *ucontrol)
 
        return change;
 }
 
-static int snd_hda_spdif_out_switch_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 snd_hda_spdif_out_switch_info  snd_ctl_boolean_mono_info
 
 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
 
  * 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)
 
  * the private value = nid | (invert << 8)
  */
 
-static int cxt_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 cxt_eapd_info          snd_ctl_boolean_mono_info
 
 static int cxt_eapd_get(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
 
  * needed for any "production" models.
  */
 #ifdef CONFIG_SND_DEBUG
-static int alc_gpio_data_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 alc_gpio_data_info     snd_ctl_boolean_mono_info
 
 static int alc_gpio_data_get(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
  * necessary.
  */
 #ifdef CONFIG_SND_DEBUG
-static int alc_spdif_ctrl_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 alc_spdif_ctrl_info    snd_ctl_boolean_mono_info
 
 static int alc_spdif_ctrl_get(struct snd_kcontrol *kcontrol,
                              struct snd_ctl_elem_value *ucontrol)
 
 #define PRIVATE_REG(val) ((val>>16)&0xffff)
 #define PRIVATE_MASK(val) (val&0xffff)
 
-static int si3054_switch_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 si3054_switch_info     snd_ctl_boolean_mono_info
 
 static int si3054_switch_get(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *uvalue)
 
        snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, pin_type);
 }
 
-static int stac92xx_io_switch_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 stac92xx_io_switch_info                snd_ctl_boolean_mono_info
 
 static int stac92xx_io_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 /*
  * AC'97 mute controls
  */
-#define aureon_ac97_mute_info  aureon_mono_bool_info
+#define aureon_ac97_mute_info  snd_ctl_boolean_mono_info
 
 static int aureon_ac97_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * AC'97 mute controls
  */
-#define aureon_ac97_micboost_info      aureon_mono_bool_info
+#define aureon_ac97_micboost_info      snd_ctl_boolean_mono_info
 
 static int aureon_ac97_micboost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 /*
  */
-static int aureon_mono_bool_info(struct snd_kcontrol *k, 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 aureon_mono_bool_info          snd_ctl_boolean_mono_info
 
 /*
  * AC'97 master playback mute controls (Mute on WM8770 chip)
  */
-#define aureon_ac97_mmute_info aureon_mono_bool_info
+#define aureon_ac97_mmute_info         snd_ctl_boolean_mono_info
 
 static int aureon_ac97_mmute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * DAC mute control
  */
-#define wm_pcm_mute_info       aureon_mono_bool_info
+#define wm_pcm_mute_info       snd_ctl_boolean_mono_info
 
 static int wm_pcm_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * WM8770 master mute control
  */
-static int wm_master_mute_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 wm_master_mute_info            snd_ctl_boolean_stereo_info
 
 static int wm_master_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * ADC mute control
  */
-static int wm_adc_mute_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 wm_adc_mute_info               snd_ctl_boolean_stereo_info
 
 static int wm_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * CS8415A Mute
  */
-static int aureon_cs8415_mute_info (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
-{
-       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-       uinfo->count = 1;
-       return 0;
-}
+#define aureon_cs8415_mute_info                snd_ctl_boolean_mono_info
 
 static int aureon_cs8415_mute_get (struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return ( tmp & AUREON_HP_SEL )!= 0;
 }
 
-#define aureon_hpamp_info      aureon_mono_bool_info
+#define aureon_hpamp_info      snd_ctl_boolean_mono_info
 
 static int aureon_hpamp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
  * Deemphasis
  */
 
-#define aureon_deemp_info      aureon_mono_bool_info
+#define aureon_deemp_info      snd_ctl_boolean_mono_info
 
 static int aureon_deemp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
        snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
 }
 
-static int snd_ice1712_delta1010lt_wordclock_status_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 snd_ice1712_delta1010lt_wordclock_status_info \
+       snd_ctl_boolean_mono_info
 
 static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
                         struct snd_ctl_elem_value *ucontrol)
 
  * EWS88D specific controls
  */
 
-static int snd_ice1712_ews88d_control_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 snd_ice1712_ews88d_control_info                snd_ctl_boolean_mono_info
 
 static int snd_ice1712_ews88d_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_ice1712_6fire_control_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 snd_ice1712_6fire_control_info         snd_ctl_boolean_mono_info
 
 static int snd_ice1712_6fire_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 /*
  * consumer ac97 digital mix
  */
-static int snd_ice1712_digmix_route_ac97_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 snd_ice1712_digmix_route_ac97_info     snd_ctl_boolean_mono_info
 
 static int snd_ice1712_digmix_route_ac97_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        outw(val, ICEMT(ice, MONITOR_VOLUME));
 }
 
-static int snd_ice1712_pro_mixer_switch_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_ice1712_pro_mixer_switch_info      snd_ctl_boolean_stereo_info
 
 static int snd_ice1712_pro_mixer_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        .put =          snd_ice1712_spdif_stream_put
 };
 
-int snd_ice1712_gpio_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 snd_ice1712_gpio_info          snd_ctl_boolean_mono_info
 
 int snd_ice1712_gpio_get(struct snd_kcontrol *kcontrol,
                         struct snd_ctl_elem_value *ucontrol)
        .put = snd_ice1712_pro_internal_clock_default_put
 };
 
-static int snd_ice1712_pro_rate_locking_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 snd_ice1712_pro_rate_locking_info      snd_ctl_boolean_mono_info
 
 static int snd_ice1712_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
                                            struct snd_ctl_elem_value *ucontrol)
        .put = snd_ice1712_pro_rate_locking_put
 };
 
-static int snd_ice1712_pro_rate_reset_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 snd_ice1712_pro_rate_reset_info                snd_ctl_boolean_mono_info
 
 static int snd_ice1712_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
                                          struct snd_ctl_elem_value *ucontrol)
 
        .get =          snd_vt1724_spdif_maskp_get,
 };
 
-static int snd_vt1724_spdif_sw_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 snd_vt1724_spdif_sw_info               snd_ctl_boolean_mono_info
 
 static int snd_vt1724_spdif_sw_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
  * GPIO access from extern
  */
 
-int snd_vt1724_gpio_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 snd_vt1724_gpio_info           snd_ctl_boolean_mono_info
 
 int snd_vt1724_gpio_get(struct snd_kcontrol *kcontrol,
                        struct snd_ctl_elem_value *ucontrol)
        .put = snd_vt1724_pro_internal_clock_put
 };
 
-static int snd_vt1724_pro_rate_locking_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 snd_vt1724_pro_rate_locking_info       snd_ctl_boolean_mono_info
 
 static int snd_vt1724_pro_rate_locking_get(struct snd_kcontrol *kcontrol,
                                           struct snd_ctl_elem_value *ucontrol)
        .put = snd_vt1724_pro_rate_locking_put
 };
 
-static int snd_vt1724_pro_rate_reset_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 snd_vt1724_pro_rate_reset_info         snd_ctl_boolean_mono_info
 
 static int snd_vt1724_pro_rate_reset_get(struct snd_kcontrol *kcontrol,
                                         struct snd_ctl_elem_value *ucontrol)
 
 /*
  * DAC mute control
  */
-#define wm_pcm_mute_info       phase28_mono_bool_info
+#define wm_pcm_mute_info       snd_ctl_boolean_mono_info
 
 static int wm_pcm_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * WM8770 master mute control
  */
-static int wm_master_mute_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 wm_master_mute_info            snd_ctl_boolean_stereo_info
 
 static int wm_master_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return change;
 }
 
-/*
- */
-static int phase28_mono_bool_info(struct snd_kcontrol *k, 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;
-}
-
 /*
  * Deemphasis
  */
-#define phase28_deemp_info     phase28_mono_bool_info
+#define phase28_deemp_info     snd_ctl_boolean_mono_info
 
 static int phase28_deemp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 /*
  * ADC input mux mixer control
  */
-static int wm_adc_mux_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 wm_adc_mux_info                snd_ctl_boolean_mono_info
 
 static int wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * Analog bypass (In -> Out)
  */
-static int wm_bypass_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 wm_bypass_info         snd_ctl_boolean_mono_info
 
 static int wm_bypass_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * Left/Right swap
  */
-static int wm_chswap_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 wm_chswap_info         snd_ctl_boolean_mono_info
 
 static int wm_chswap_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 /*
  * DAC mute control
  */
-static int stac9460_dac_mute_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 stac9460_dac_mute_info         snd_ctl_boolean_mono_info
 
 static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 /*
  * ADC mute control
  */
-static int stac9460_adc_mute_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 stac9460_adc_mute_info         snd_ctl_boolean_stereo_info
 
 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return ( tmp & AUREON_HP_SEL )!= 0;
 }
 
-static int aureon_bool_info(struct snd_kcontrol *k, 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 aureon_bool_info       snd_ctl_boolean_mono_info
 
 static int aureon_hpamp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 /*
  *     DAC mute control
  */
-static int stac9460_dac_mute_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;
-       return 0;
-}
+#define stac9460_dac_mute_info         snd_ctl_boolean_mono_info
 
 static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
 /*
  * ADC mute control
  */
-static int stac9460_adc_mute_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 stac9460_adc_mute_info         snd_ctl_boolean_stereo_info
 
 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
  * MIC / LINE switch fonction
  */
 
-static int stac9460_mic_sw_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 stac9460_mic_sw_info           snd_ctl_boolean_mono_info
 
 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
                        struct snd_ctl_elem_value *ucontrol)
 
 };
 
 /* shared */
-static int mixart_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 mixart_sw_info         snd_ctl_boolean_stereo_info
 
 static int mixart_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 };
 
 /* shared */
-static int pcxhr_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 pcxhr_sw_info          snd_ctl_boolean_stereo_info
 
 static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol,
                              struct snd_ctl_elem_value *ucontrol)
 
  * control interface
  */
 
-static int
-snd_rme32_info_loopback_control(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 snd_rme32_info_loopback_control                snd_ctl_boolean_mono_info
+
 static int
 snd_rme32_get_loopback_control(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
 
  * control interface
  */
 
-static int
-snd_rme96_info_loopback_control(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 snd_rme96_info_loopback_control                snd_ctl_boolean_mono_info
+
 static int
 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
        return 0;
 }
 
-static int snd_hdsp_info_spdif_bits(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 snd_hdsp_info_spdif_bits       snd_ctl_boolean_mono_info
 
 static int snd_hdsp_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return change;
 }
 
-static int snd_hdsp_info_clock_source_lock(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 snd_hdsp_info_clock_source_lock                snd_ctl_boolean_mono_info
 
 static int snd_hdsp_get_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_hdsp_info_xlr_breakout_cable(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 snd_hdsp_info_xlr_breakout_cable       snd_ctl_boolean_mono_info
 
 static int snd_hdsp_get_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_hdsp_info_aeb(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 snd_hdsp_info_aeb              snd_ctl_boolean_mono_info
 
 static int snd_hdsp_get_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_hdsp_info_line_out(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 snd_hdsp_info_line_out         snd_ctl_boolean_mono_info
 
 static int snd_hdsp_get_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_hdsp_info_precise_pointer(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 snd_hdsp_info_precise_pointer          snd_ctl_boolean_mono_info
 
 static int snd_hdsp_get_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_hdsp_info_use_midi_tasklet(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 snd_hdsp_info_use_midi_tasklet         snd_ctl_boolean_mono_info
 
 static int snd_hdsp_get_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
        return 0;
 }
 
-static int snd_hdspm_info_line_out(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 snd_hdspm_info_line_out                snd_ctl_boolean_mono_info
 
 static int snd_hdspm_get_line_out(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
        return 0;
 }
 
-static int snd_hdspm_info_tx_64(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 snd_hdspm_info_tx_64           snd_ctl_boolean_mono_info
 
 static int snd_hdspm_get_tx_64(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
        return 0;
 }
 
-static int snd_hdspm_info_c_tms(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 snd_hdspm_info_c_tms           snd_ctl_boolean_mono_info
 
 static int snd_hdspm_get_c_tms(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
        return 0;
 }
 
-static int snd_hdspm_info_safe_mode(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 snd_hdspm_info_safe_mode       snd_ctl_boolean_mono_info
 
 static int snd_hdspm_get_safe_mode(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
        return 0;
 }
 
-static int snd_hdspm_info_emphasis(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 snd_hdspm_info_emphasis                snd_ctl_boolean_mono_info
 
 static int snd_hdspm_get_emphasis(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
        return 0;
 }
 
-static int snd_hdspm_info_dolby(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 snd_hdspm_info_dolby           snd_ctl_boolean_mono_info
 
 static int snd_hdspm_get_dolby(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
        return 0;
 }
 
-static int snd_hdspm_info_professional(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 snd_hdspm_info_professional    snd_ctl_boolean_mono_info
 
 static int snd_hdspm_get_professional(struct snd_kcontrol *kcontrol,
                                      struct snd_ctl_elem_value *ucontrol)
 
        return 0;
 }
 
-static int snd_rme9652_info_spdif_out(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 snd_rme9652_info_spdif_out     snd_ctl_boolean_mono_info
 
 static int snd_rme9652_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
   .put = snd_rme9652_put_passthru, \
   .get = snd_rme9652_get_passthru }
 
-static int snd_rme9652_info_passthru(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 snd_rme9652_info_passthru      snd_ctl_boolean_mono_info
 
 static int snd_rme9652_get_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
   .info = snd_rme9652_info_tc_valid, \
   .get = snd_rme9652_get_tc_valid }
 
-static int snd_rme9652_info_tc_valid(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 snd_rme9652_info_tc_valid      snd_ctl_boolean_mono_info
 
 static int snd_rme9652_get_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
     Description: enable/disable S/PDIF out from ac97 mixer
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_control_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 snd_trident_spdif_control_info snd_ctl_boolean_mono_info
 
 static int snd_trident_spdif_control_get(struct snd_kcontrol *kcontrol,
                                         struct snd_ctl_elem_value *ucontrol)
     Description: enable/disable rear path for ac97
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_ac97_control_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 snd_trident_ac97_control_info  snd_ctl_boolean_mono_info
 
 static int snd_trident_ac97_control_get(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
 
        .put = snd_via8233_capture_source_put,
 };
 
-static int snd_via8233_dxs3_spdif_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 snd_via8233_dxs3_spdif_info    snd_ctl_boolean_mono_info
 
 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol,
                                      struct snd_ctl_elem_value *ucontrol)
 
   .get = snd_ymfpci_get_single, .put = snd_ymfpci_put_single, \
   .private_value = ((reg) | ((shift) << 16)) }
 
-static int snd_ymfpci_info_single(struct snd_kcontrol *kcontrol,
-                                 struct snd_ctl_elem_info *uinfo)
-{
-       int reg = kcontrol->private_value & 0xffff;
-
-       switch (reg) {
-       case YDSXGR_SPDIFOUTCTRL: break;
-       case YDSXGR_SPDIFINCTRL: break;
-       default: return -EINVAL;
-       }
-       uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-       uinfo->count = 1;
-       uinfo->value.integer.min = 0;
-       uinfo->value.integer.max = 1;
-       return 0;
-}
+#define snd_ymfpci_info_single         snd_ctl_boolean_mono_info
 
 static int snd_ymfpci_get_single(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
 /*
  * 4ch duplication
  */
-static int snd_ymfpci_info_dup4ch(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 snd_ymfpci_info_dup4ch         snd_ctl_boolean_mono_info
 
 static int snd_ymfpci_get_dup4ch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        return 0;
 }
 
-static int snd_ymfpci_gpio_sw_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 snd_ymfpci_gpio_sw_info                snd_ctl_boolean_mono_info
 
 static int snd_ymfpci_gpio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 /*
  * mic boost level control (for VXP440)
  */
-static int vx_mic_boost_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 vx_mic_boost_info              snd_ctl_boolean_mono_info
 
 static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 
 
 
 /* deemphasis switch */
-static int daca_info_deemphasis(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 daca_info_deemphasis           snd_ctl_boolean_mono_info
 
 static int daca_get_deemphasis(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
 
        return 0;
 }
 
-/*
- * exported - boolean info callbacks for ease of programming
- */
-int snd_pmac_boolean_stereo_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;
-}
-
-int snd_pmac_boolean_mono_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;
-}
-
 #ifdef PMAC_SUPPORT_AUTOMUTE
 /*
  * auto-mute
 
 void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c);
 
 /* misc */
-int snd_pmac_boolean_stereo_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
-int snd_pmac_boolean_mono_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
+#define snd_pmac_boolean_stereo_info   snd_ctl_boolean_stereo_info
+#define snd_pmac_boolean_mono_info     snd_ctl_boolean_mono_info
 
 int snd_pmac_add_automute(struct snd_pmac *chip);
 
 
 }
 
 /* Mixer controls */
-static int aica_pcmswitch_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 aica_pcmswitch_info            snd_ctl_boolean_mono_info
 
 static int aica_pcmswitch_get(struct snd_kcontrol *kcontrol,
                              struct snd_ctl_elem_value *ucontrol)
 
 }
 EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
 
-/**
- * snd_soc_info_bool_ext - external single boolean mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a single boolean external mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_bool_ext(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;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_bool_ext);
-
 /**
  * snd_soc_info_volsw - single mixer info callback
  * @kcontrol: mixer control
 
        return 0;
 }
 
-static int snd_audigy2nx_led_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 snd_audigy2nx_led_info         snd_ctl_boolean_mono_info
 
 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {