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ALSA: core, oxygen, virtuoso: add an enum control info helper

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Introduce the helper function snd_ctl_enum_info() to fill out the
elem_info fields for an enumerated control.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Este cometimento está contido em:
Clemens Ladisch
2011-01-10 16:25:44 +01:00
cometido por Takashi Iwai
ascendente b532d6b8d3
cometimento 9600732b6c
8 ficheiros modificados com 46 adições e 104 eliminações
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30
sound/pci/oxygen/xonar_dg.c
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@@ -213,13 +213,7 @@ static int output_switch_info(struct snd_kcontrol *ctl,
"Speakers", "Headphones", "FP Headphones"
};
info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
info->count = 1;
info->value.enumerated.items = 3;
if (info->value.enumerated.item >= 3)
info->value.enumerated.item = 2;
strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
return 0;
return snd_ctl_enum_info(info, 1, 3, names);
}
static int output_switch_get(struct snd_kcontrol *ctl,
@@ -276,13 +270,7 @@ static int hp_volume_offset_info(struct snd_kcontrol *ctl,
"< 64 ohms", "64-150 ohms", "150-300 ohms"
};
info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
info->count = 1;
info->value.enumerated.items = 3;
if (info->value.enumerated.item >= 3)
info->value.enumerated.item = 2;
strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
return 0;
return snd_ctl_enum_info(info, 1, 3, names);
}
static int hp_volume_offset_get(struct snd_kcontrol *ctl,
@@ -390,12 +378,7 @@ static int input_sel_info(struct snd_kcontrol *ctl,
"Mic", "Aux", "Front Mic", "Line"
};
info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
info->count = 1;
info->value.enumerated.items = 4;
info->value.enumerated.item &= 3;
strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
return 0;
return snd_ctl_enum_info(info, 1, 4, names);
}
static int input_sel_get(struct snd_kcontrol *ctl,
@@ -453,12 +436,7 @@ static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
{
static const char *const names[2] = { "Active", "Frozen" };
info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
info->count = 1;
info->value.enumerated.items = 2;
info->value.enumerated.item &= 1;
strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
return 0;
return snd_ctl_enum_info(info, 1, 2, names);
}
static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)