ASoC: Remove unused snd_soc_info_volsw_ext()

The SOC_SINGLE_EXT control has been using snd_soc_info_volsw() for its info
callback since commit 1c433fb ("[ALSA] soc - 0.13 ASoC headers"). The
snd_soc_info_volsw_ext() function has been unused ever since then, so remove it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

2 files changed, 0 insertions, 28 deletions

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 6eabee7ec15a..724a42af40fa 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -497,8 +497,6 @@ int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_value *ucontrol);
 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_info *uinfo);
-int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
-        struct snd_ctl_elem_info *uinfo);
 #define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_value *ucontrol);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index c7d16df9efd9..6ba5f7c23d3a 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2578,32 +2578,6 @@ int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
 EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext);
 
 /**
- * snd_soc_info_volsw_ext - external single mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a single external mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
-        struct snd_ctl_elem_info *uinfo)
-{
-        int max = kcontrol->private_value;
-
-        if (max == 1 && !strstr(kcontrol->id.name, " Volume"))
-                uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
-        else
-                uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-
-        uinfo->count = 1;
-        uinfo->value.integer.min = 0;
-        uinfo->value.integer.max = max;
-        return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
-
-/**
  * snd_soc_info_volsw - single mixer info callback
  * @kcontrol: mixer control
  * @uinfo: control element information