[ALSA] ice1724 - Clean up ctl callbacks in se.c
Clean up ctl callbacks of SE-200PCI driver. Also make sure to check the value ranges. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai
Jaroslav Kysela
parent
4e98d6a7ce
commit
9c45ba1005
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@ -415,134 +415,177 @@ static const struct se200pci_control se200pci_cont[] = {
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}
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};
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static int se200pci_cont_info(struct snd_kcontrol *kc,
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struct snd_ctl_elem_info *uinfo)
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static int se200pci_get_enum_count(int n)
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{
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struct snd_ice1712 *ice;
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int n;
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int c;
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const char **member;
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int c;
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ice = snd_kcontrol_chip(kc);
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n = kc->private_value;
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if (se200pci_cont[n].type == VOLUME1 ||
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se200pci_cont[n].type == VOLUME2) {
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0; /* mute */
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uinfo->value.integer.max = 0xff; /* 0dB */
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} else if (se200pci_cont[n].type == BOOLEAN) {
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uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 1;
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} else if (se200pci_cont[n].type == ENUM) {
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uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
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member = se200pci_cont[n].member;
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if (member == NULL)
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return -EINVAL;
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for (c = 0; member[c]; c++)
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;
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uinfo->count = 1;
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uinfo->value.enumerated.items = c;
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if (uinfo->value.enumerated.item >= c)
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uinfo->value.enumerated.item = c - 1;
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strcpy(uinfo->value.enumerated.name,
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member[uinfo->value.enumerated.item]);
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}
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member = se200pci_cont[n].member;
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if (!member)
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return 0;
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for (c = 0; member[c]; c++)
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;
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return c;
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}
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static int se200pci_cont_volume_info(struct snd_kcontrol *kc,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0; /* mute */
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uinfo->value.integer.max = 0xff; /* 0dB */
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return 0;
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}
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static int se200pci_cont_get(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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#define se200pci_cont_boolean_info snd_ctl_boolean_mono_info
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static int se200pci_cont_enum_info(struct snd_kcontrol *kc,
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struct snd_ctl_elem_info *uinfo)
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{
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struct snd_ice1712 *ice;
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int n;
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int n, c;
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ice = snd_kcontrol_chip(kc);
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n = kc->private_value;
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if (se200pci_cont[n].type == VOLUME1 ||
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se200pci_cont[n].type == VOLUME2) {
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uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
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uc->value.integer.value[1] = ice->spec.se.vol[n].ch2;
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} else if (se200pci_cont[n].type == BOOLEAN ||
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se200pci_cont[n].type == ENUM)
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uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
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c = se200pci_get_enum_count(n);
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if (!c)
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return -EINVAL;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
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uinfo->count = 1;
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uinfo->value.enumerated.items = c;
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if (uinfo->value.enumerated.item >= c)
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uinfo->value.enumerated.item = c - 1;
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strcpy(uinfo->value.enumerated.name,
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se200pci_cont[n].member[uinfo->value.enumerated.item]);
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return 0;
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}
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static int se200pci_cont_put(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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static int se200pci_cont_volume_get(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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{
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struct snd_ice1712 *ice;
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int n;
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unsigned int vol1, vol2;
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int changed;
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struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
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int n = kc->private_value;
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uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
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uc->value.integer.value[1] = ice->spec.se.vol[n].ch2;
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return 0;
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}
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ice = snd_kcontrol_chip(kc);
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n = kc->private_value;
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static int se200pci_cont_boolean_get(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
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int n = kc->private_value;
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uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
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return 0;
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}
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changed = 0;
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vol1 = 0; vol2 = 0;
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if (se200pci_cont[n].type == VOLUME1 ||
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se200pci_cont[n].type == VOLUME2) {
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vol1 = uc->value.integer.value[0];
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vol2 = uc->value.integer.value[1];
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if (ice->spec.se.vol[n].ch1 != vol1)
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changed = 1;
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if (ice->spec.se.vol[n].ch2 != vol2)
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changed = 1;
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ice->spec.se.vol[n].ch1 = vol1;
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ice->spec.se.vol[n].ch2 = vol2;
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} else if (se200pci_cont[n].type == BOOLEAN ||
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se200pci_cont[n].type == ENUM) {
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vol1 = uc->value.integer.value[0];
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if (ice->spec.se.vol[n].ch1 != vol1)
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changed = 1;
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ice->spec.se.vol[n].ch1 = vol1;
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}
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static int se200pci_cont_enum_get(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
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int n = kc->private_value;
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uc->value.enumerated.item[0] = ice->spec.se.vol[n].ch1;
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return 0;
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}
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static void se200pci_cont_update(struct snd_ice1712 *ice, int n)
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{
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switch (se200pci_cont[n].target) {
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case WM8766:
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se200pci_WM8766_set_volume(ice,
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se200pci_cont[n].ch, vol1, vol2);
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se200pci_cont[n].ch,
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ice->spec.se.vol[n].ch1,
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ice->spec.se.vol[n].ch2);
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break;
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case WM8776in:
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se200pci_WM8776_set_input_volume(ice, vol1, vol2);
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se200pci_WM8776_set_input_volume(ice,
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ice->spec.se.vol[n].ch1,
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ice->spec.se.vol[n].ch2);
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break;
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case WM8776out:
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se200pci_WM8776_set_output_volume(ice, vol1, vol2);
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se200pci_WM8776_set_output_volume(ice,
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ice->spec.se.vol[n].ch1,
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ice->spec.se.vol[n].ch2);
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break;
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case WM8776sel:
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se200pci_WM8776_set_input_selector(ice, vol1);
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se200pci_WM8776_set_input_selector(ice,
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ice->spec.se.vol[n].ch1);
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break;
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case WM8776agc:
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se200pci_WM8776_set_agc(ice, vol1);
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se200pci_WM8776_set_agc(ice, ice->spec.se.vol[n].ch1);
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break;
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case WM8776afl:
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se200pci_WM8776_set_afl(ice, vol1);
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se200pci_WM8776_set_afl(ice, ice->spec.se.vol[n].ch1);
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break;
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default:
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break;
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}
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}
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static int se200pci_cont_volume_put(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
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int n = kc->private_value;
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unsigned int vol1, vol2;
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int changed;
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changed = 0;
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vol1 = uc->value.integer.value[0] & 0xff;
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vol2 = uc->value.integer.value[1] & 0xff;
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if (ice->spec.se.vol[n].ch1 != vol1) {
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ice->spec.se.vol[n].ch1 = vol1;
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changed = 1;
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}
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if (ice->spec.se.vol[n].ch2 != vol2) {
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ice->spec.se.vol[n].ch2 = vol2;
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changed = 1;
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}
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if (changed)
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se200pci_cont_update(ice, n);
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return changed;
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}
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static int se200pci_cont_boolean_put(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
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int n = kc->private_value;
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unsigned int vol1;
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vol1 = !!uc->value.integer.value[0];
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if (ice->spec.se.vol[n].ch1 != vol1) {
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ice->spec.se.vol[n].ch1 = vol1;
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se200pci_cont_update(ice, n);
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return 1;
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}
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return 0;
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}
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static int se200pci_cont_enum_put(struct snd_kcontrol *kc,
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struct snd_ctl_elem_value *uc)
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{
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struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
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int n = kc->private_value;
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unsigned int vol1;
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vol1 = uc->value.enumerated.item[0];
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if (vol1 >= se200pci_get_enum_count(n))
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return -EINVAL;
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if (ice->spec.se.vol[n].ch1 != vol1) {
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ice->spec.se.vol[n].ch1 = vol1;
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se200pci_cont_update(ice, n);
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return 1;
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}
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return 0;
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}
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static const DECLARE_TLV_DB_SCALE(db_scale_gain1, -12750, 50, 1);
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static const DECLARE_TLV_DB_SCALE(db_scale_gain2, -10350, 50, 1);
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@ -554,23 +597,36 @@ static int __devinit se200pci_add_controls(struct snd_ice1712 *ice)
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memset(&cont, 0, sizeof(cont));
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cont.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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cont.info = se200pci_cont_info;
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cont.get = se200pci_cont_get;
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cont.put = se200pci_cont_put;
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for (i = 0; i < ARRAY_SIZE(se200pci_cont); i++) {
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cont.private_value = i;
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cont.name = se200pci_cont[i].name;
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cont.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
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cont.tlv.p = NULL;
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if (se200pci_cont[i].type == VOLUME1 ||
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se200pci_cont[i].type == VOLUME2) {
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switch (se200pci_cont[i].type) {
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case VOLUME1:
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case VOLUME2:
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cont.info = se200pci_cont_volume_info;
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cont.get = se200pci_cont_volume_get;
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cont.put = se200pci_cont_volume_put;
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cont.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
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if (se200pci_cont[i].type == VOLUME1)
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cont.tlv.p = db_scale_gain1;
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else
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cont.tlv.p = db_scale_gain2;
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break;
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case BOOLEAN:
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cont.info = se200pci_cont_boolean_info;
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cont.get = se200pci_cont_boolean_get;
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cont.put = se200pci_cont_boolean_put;
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break;
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case ENUM:
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cont.info = se200pci_cont_enum_info;
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cont.get = se200pci_cont_enum_get;
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cont.put = se200pci_cont_enum_put;
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break;
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default:
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snd_BUG();
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return -EINVAL;
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}
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err = snd_ctl_add(ice->card, snd_ctl_new1(&cont, ice));
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if (err < 0)
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