ALSA: ak4xxx-adda: Use snd_ctl_enum_info()

... and reduce the open codes.  Also add missing const to the text array.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index f3735e6..67dbfde 100644 (file)
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -465,17 +465,10 @@ static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
 static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
                                       struct snd_ctl_elem_info *uinfo)
 {
-       static char *texts[4] = {
+       static const char * const texts[4] = {
                "44.1kHz", "Off", "48kHz", "32kHz",
        };
-       uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
-       uinfo->count = 1;
-       uinfo->value.enumerated.items = 4;
-       if (uinfo->value.enumerated.item >= 4)
-               uinfo->value.enumerated.item = 3;
-       strcpy(uinfo->value.enumerated.name,
-              texts[uinfo->value.enumerated.item]);
-       return 0;
+       return snd_ctl_enum_info(uinfo, 1, 4, texts);
 }
 
 static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
@@ -570,22 +563,13 @@ static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
 {
        struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
        int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
-       const char **input_names;
-       unsigned int num_names, idx;
+       unsigned int num_names;
 
        num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
        if (!num_names)
                return -EINVAL;
-       uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
-       uinfo->count = 1;
-       uinfo->value.enumerated.items = num_names;
-       idx = uinfo->value.enumerated.item;
-       if (idx >= num_names)
-               return -EINVAL;
-       input_names = ak->adc_info[mixer_ch].input_names;
-       strlcpy(uinfo->value.enumerated.name, input_names[idx],
-               sizeof(uinfo->value.enumerated.name));
-       return 0;
+       return snd_ctl_enum_info(uinfo, 1, num_names,
+                                ak->adc_info[mixer_ch].input_names);
 }
 
 static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol,