ALSA: rme96: Use snd_ctl_enum_info()

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

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2014-10-20 18:19:23 +02:00
parent 11c6ef7c8d
commit 9c30d46a0f
1 changed files with 21 additions and 41 deletions

View File

@ -1884,39 +1884,38 @@ snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
static int static int
snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{ {
static char *_texts[5] = { "Optical", "Coaxial", "Internal", "XLR", "Analog" }; static const char * const _texts[5] = {
"Optical", "Coaxial", "Internal", "XLR", "Analog"
};
struct rme96 *rme96 = snd_kcontrol_chip(kcontrol); struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
char *texts[5] = { _texts[0], _texts[1], _texts[2], _texts[3], _texts[4] }; const char *texts[5] = {
_texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
};
int num_items;
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
switch (rme96->pci->device) { switch (rme96->pci->device) {
case PCI_DEVICE_ID_RME_DIGI96: case PCI_DEVICE_ID_RME_DIGI96:
case PCI_DEVICE_ID_RME_DIGI96_8: case PCI_DEVICE_ID_RME_DIGI96_8:
uinfo->value.enumerated.items = 3; num_items = 3;
break; break;
case PCI_DEVICE_ID_RME_DIGI96_8_PRO: case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
uinfo->value.enumerated.items = 4; num_items = 4;
break; break;
case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST: case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
if (rme96->rev > 4) { if (rme96->rev > 4) {
/* PST */ /* PST */
uinfo->value.enumerated.items = 4; num_items = 4;
texts[3] = _texts[4]; /* Analog instead of XLR */ texts[3] = _texts[4]; /* Analog instead of XLR */
} else { } else {
/* PAD */ /* PAD */
uinfo->value.enumerated.items = 5; num_items = 5;
} }
break; break;
default: default:
snd_BUG(); snd_BUG();
break; return -EINVAL;
} }
if (uinfo->value.enumerated.item > uinfo->value.enumerated.items - 1) { return snd_ctl_enum_info(uinfo, 1, num_items, texts);
uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
}
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
} }
static int static int
snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
@ -2002,16 +2001,9 @@ snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_el
static int static int
snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{ {
static char *texts[3] = { "AutoSync", "Internal", "Word" }; static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; return snd_ctl_enum_info(uinfo, 1, 3, texts);
uinfo->count = 1;
uinfo->value.enumerated.items = 3;
if (uinfo->value.enumerated.item > 2) {
uinfo->value.enumerated.item = 2;
}
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
} }
static int static int
snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
@ -2041,16 +2033,11 @@ snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_el
static int static int
snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{ {
static char *texts[4] = { "0 dB", "-6 dB", "-12 dB", "-18 dB" }; static const char * const texts[4] = {
"0 dB", "-6 dB", "-12 dB", "-18 dB"
};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; return snd_ctl_enum_info(uinfo, 1, 4, texts);
uinfo->count = 1;
uinfo->value.enumerated.items = 4;
if (uinfo->value.enumerated.item > 3) {
uinfo->value.enumerated.item = 3;
}
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
} }
static int static int
snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
@ -2081,16 +2068,9 @@ snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_
static int static int
snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{ {
static char *texts[4] = { "1+2", "3+4", "5+6", "7+8" }; static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; return snd_ctl_enum_info(uinfo, 1, 4, texts);
uinfo->count = 1;
uinfo->value.enumerated.items = 4;
if (uinfo->value.enumerated.item > 3) {
uinfo->value.enumerated.item = 3;
}
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
} }
static int static int
snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)