[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>

9 files changed, 35 insertions, 233 deletions

diff --git a/sound/pci/ice1712/aureon.c b/sound/pci/ice1712/aureon.c
index 66bacde..ec0699c 100644
--- a/sound/pci/ice1712/aureon.c
+++ b/sound/pci/ice1712/aureon.c
@@ -394,7 +394,7 @@ static int aureon_ac97_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
 /*
  * 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)
 {
@@ -430,7 +430,7 @@ static int aureon_ac97_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
 /*
  * 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)
 {
@@ -621,19 +621,12 @@ static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
 
 /*
  */
-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)
 {
@@ -708,7 +701,7 @@ static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index, unsigned sho
 /*
  * 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)
 {
@@ -879,13 +872,7 @@ static int wm_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value
 /*
  * 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)
 {
@@ -969,14 +956,7 @@ static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val
 /*
  * 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)
 {
@@ -1210,12 +1190,7 @@ static int aureon_cs8415_rate_get (struct snd_kcontrol *kcontrol, struct snd_ctl
 /*
  * 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)
 {
@@ -1316,7 +1291,7 @@ static int aureon_get_headphone_amp(struct snd_ice1712 *ice)
 	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)
 {
@@ -1338,7 +1313,7 @@ static int aureon_hpamp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
  * 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)
 {
diff --git a/sound/pci/ice1712/delta.c b/sound/pci/ice1712/delta.c
index af65980..66886df 100644
--- a/sound/pci/ice1712/delta.c
+++ b/sound/pci/ice1712/delta.c
@@ -393,15 +393,8 @@ static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
 	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)
diff --git a/sound/pci/ice1712/ews.c b/sound/pci/ice1712/ews.c
index b135389..b2b4eff 100644
--- a/sound/pci/ice1712/ews.c
+++ b/sound/pci/ice1712/ews.c
@@ -700,14 +700,7 @@ static struct snd_kcontrol_new snd_ice1712_ews88mt_output_sense __devinitdata =
  * 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)
 {
@@ -812,14 +805,7 @@ static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char re
 	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)
 {
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 6630a0a..cd41c7e 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -256,14 +256,7 @@ static unsigned short snd_ice1712_pro_ac97_read(struct snd_ac97 *ac97,
 /*
  * 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)
 {
@@ -1300,14 +1293,7 @@ static void snd_ice1712_update_volume(struct snd_ice1712 *ice, int index)
 	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)
 {
@@ -1759,15 +1745,7 @@ static struct snd_kcontrol_new snd_ice1712_spdif_stream __devinitdata =
 	.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)
@@ -1968,15 +1946,7 @@ static struct snd_kcontrol_new snd_ice1712_pro_internal_clock_default __devinitd
 	.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)
@@ -2007,15 +1977,7 @@ static struct snd_kcontrol_new snd_ice1712_pro_rate_locking __devinitdata = {
 	.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)
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index ee620de..32560cf 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -1479,15 +1479,7 @@ static struct snd_kcontrol_new snd_vt1724_spdif_maskp __devinitdata =
 	.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)
@@ -1532,15 +1524,7 @@ static struct snd_kcontrol_new snd_vt1724_spdif_switch __devinitdata =
  * 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)
@@ -1706,15 +1690,7 @@ static struct snd_kcontrol_new snd_vt1724_pro_internal_clock __devinitdata = {
 	.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)
@@ -1745,15 +1721,7 @@ static struct snd_kcontrol_new snd_vt1724_pro_rate_locking __devinitdata = {
 	.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)
diff --git a/sound/pci/ice1712/phase.c b/sound/pci/ice1712/phase.c
index 40a9098..3ac2505 100644
--- a/sound/pci/ice1712/phase.c
+++ b/sound/pci/ice1712/phase.c
@@ -270,7 +270,7 @@ static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index, unsigned sho
 /*
  * 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)
 {
@@ -527,13 +527,7 @@ static int wm_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value
 /*
  * 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)
 {
@@ -615,20 +609,9 @@ static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val
 }
 
 /*
- */
-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)
 {
diff --git a/sound/pci/ice1712/pontis.c b/sound/pci/ice1712/pontis.c
index 01c6945..faefd52 100644
--- a/sound/pci/ice1712/pontis.c
+++ b/sound/pci/ice1712/pontis.c
@@ -216,14 +216,7 @@ static int wm_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val
 /*
  * 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)
 {
@@ -260,14 +253,7 @@ static int wm_adc_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val
 /*
  * 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)
 {
@@ -302,14 +288,7 @@ static int wm_bypass_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu
 /*
  * 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)
 {
diff --git a/sound/pci/ice1712/prodigy192.c b/sound/pci/ice1712/prodigy192.c
index 4bae730..4180f97 100644
--- a/sound/pci/ice1712/prodigy192.c
+++ b/sound/pci/ice1712/prodigy192.c
@@ -81,14 +81,7 @@ static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
 /*
  * 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)
 {
@@ -177,14 +170,7 @@ static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
 /*
  * 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)
 {
@@ -292,14 +278,7 @@ static int aureon_get_headphone_amp(struct snd_ice1712 *ice)
 	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)
 {
diff --git a/sound/pci/ice1712/wtm.c b/sound/pci/ice1712/wtm.c
index 04e535c..7fcce0a 100644
--- a/sound/pci/ice1712/wtm.c
+++ b/sound/pci/ice1712/wtm.c
@@ -71,14 +71,7 @@ static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
 /*
  *	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)
@@ -218,15 +211,7 @@ static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol,
 /*
  * 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)
@@ -357,15 +342,7 @@ static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol,
  * 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)