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authorTakashi Iwai <tiwai@suse.de>2007-11-15 15:05:26 (GMT)
committerJaroslav Kysela <perex@perex.cz>2008-01-31 16:29:24 (GMT)
commit9c45ba100501c206658f356ea1db3263947b9a30 (patch)
treeaabc0618c67c410844b30c90e21dc8d78dce4f4a /sound/pci
parent4e98d6a7ce934b19bffb309f2522b22384355fef (diff)
downloadlinux-9c45ba100501c206658f356ea1db3263947b9a30.tar.xz
[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>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/ice1712/se.c238
1 files changed, 147 insertions, 91 deletions
diff --git a/sound/pci/ice1712/se.c b/sound/pci/ice1712/se.c
index ebfe245..3c8b518 100644
--- a/sound/pci/ice1712/se.c
+++ b/sound/pci/ice1712/se.c
@@ -415,134 +415,177 @@ static const struct se200pci_control se200pci_cont[] = {
}
};
-static int se200pci_cont_info(struct snd_kcontrol *kc,
- struct snd_ctl_elem_info *uinfo)
+static int se200pci_get_enum_count(int n)
{
- struct snd_ice1712 *ice;
- int n;
- int c;
const char **member;
+ int c;
- ice = snd_kcontrol_chip(kc);
- n = kc->private_value;
-
- if (se200pci_cont[n].type == VOLUME1 ||
- se200pci_cont[n].type == VOLUME2) {
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 2;
- uinfo->value.integer.min = 0; /* mute */
- uinfo->value.integer.max = 0xff; /* 0dB */
-
- } else if (se200pci_cont[n].type == BOOLEAN) {
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 1;
-
- } else if (se200pci_cont[n].type == ENUM) {
- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
- member = se200pci_cont[n].member;
- if (member == NULL)
- return -EINVAL;
- for (c = 0; member[c]; c++)
- ;
-
- uinfo->count = 1;
- uinfo->value.enumerated.items = c;
- if (uinfo->value.enumerated.item >= c)
- uinfo->value.enumerated.item = c - 1;
- strcpy(uinfo->value.enumerated.name,
- member[uinfo->value.enumerated.item]);
- }
+ member = se200pci_cont[n].member;
+ if (!member)
+ return 0;
+ for (c = 0; member[c]; c++)
+ ;
+ return c;
+}
+static int se200pci_cont_volume_info(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0; /* mute */
+ uinfo->value.integer.max = 0xff; /* 0dB */
return 0;
}
-static int se200pci_cont_get(struct snd_kcontrol *kc,
- struct snd_ctl_elem_value *uc)
+#define se200pci_cont_boolean_info snd_ctl_boolean_mono_info
+
+static int se200pci_cont_enum_info(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_info *uinfo)
{
- struct snd_ice1712 *ice;
- int n;
+ int n, c;
- ice = snd_kcontrol_chip(kc);
n = kc->private_value;
- if (se200pci_cont[n].type == VOLUME1 ||
- se200pci_cont[n].type == VOLUME2) {
- uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
- uc->value.integer.value[1] = ice->spec.se.vol[n].ch2;
-
- } else if (se200pci_cont[n].type == BOOLEAN ||
- se200pci_cont[n].type == ENUM)
- uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
-
+ c = se200pci_get_enum_count(n);
+ if (!c)
+ return -EINVAL;
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = c;
+ if (uinfo->value.enumerated.item >= c)
+ uinfo->value.enumerated.item = c - 1;
+ strcpy(uinfo->value.enumerated.name,
+ se200pci_cont[n].member[uinfo->value.enumerated.item]);
return 0;
}
-static int se200pci_cont_put(struct snd_kcontrol *kc,
- struct snd_ctl_elem_value *uc)
+static int se200pci_cont_volume_get(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_value *uc)
{
- struct snd_ice1712 *ice;
- int n;
- unsigned int vol1, vol2;
- int changed;
-
- ice = snd_kcontrol_chip(kc);
- n = kc->private_value;
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
+ int n = kc->private_value;
+ uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
+ uc->value.integer.value[1] = ice->spec.se.vol[n].ch2;
+ return 0;
+}
- changed = 0;
- vol1 = 0; vol2 = 0;
- if (se200pci_cont[n].type == VOLUME1 ||
- se200pci_cont[n].type == VOLUME2) {
- vol1 = uc->value.integer.value[0];
- vol2 = uc->value.integer.value[1];
- if (ice->spec.se.vol[n].ch1 != vol1)
- changed = 1;
- if (ice->spec.se.vol[n].ch2 != vol2)
- changed = 1;
- ice->spec.se.vol[n].ch1 = vol1;
- ice->spec.se.vol[n].ch2 = vol2;
+static int se200pci_cont_boolean_get(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_value *uc)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
+ int n = kc->private_value;
+ uc->value.integer.value[0] = ice->spec.se.vol[n].ch1;
+ return 0;
+}
- } else if (se200pci_cont[n].type == BOOLEAN ||
- se200pci_cont[n].type == ENUM) {
- vol1 = uc->value.integer.value[0];
- if (ice->spec.se.vol[n].ch1 != vol1)
- changed = 1;
- ice->spec.se.vol[n].ch1 = vol1;
- }
+static int se200pci_cont_enum_get(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_value *uc)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
+ int n = kc->private_value;
+ uc->value.enumerated.item[0] = ice->spec.se.vol[n].ch1;
+ return 0;
+}
+static void se200pci_cont_update(struct snd_ice1712 *ice, int n)
+{
switch (se200pci_cont[n].target) {
case WM8766:
se200pci_WM8766_set_volume(ice,
- se200pci_cont[n].ch, vol1, vol2);
+ se200pci_cont[n].ch,
+ ice->spec.se.vol[n].ch1,
+ ice->spec.se.vol[n].ch2);
break;
case WM8776in:
- se200pci_WM8776_set_input_volume(ice, vol1, vol2);
+ se200pci_WM8776_set_input_volume(ice,
+ ice->spec.se.vol[n].ch1,
+ ice->spec.se.vol[n].ch2);
break;
case WM8776out:
- se200pci_WM8776_set_output_volume(ice, vol1, vol2);
+ se200pci_WM8776_set_output_volume(ice,
+ ice->spec.se.vol[n].ch1,
+ ice->spec.se.vol[n].ch2);
break;
case WM8776sel:
- se200pci_WM8776_set_input_selector(ice, vol1);
+ se200pci_WM8776_set_input_selector(ice,
+ ice->spec.se.vol[n].ch1);
break;
case WM8776agc:
- se200pci_WM8776_set_agc(ice, vol1);
+ se200pci_WM8776_set_agc(ice, ice->spec.se.vol[n].ch1);
break;
case WM8776afl:
- se200pci_WM8776_set_afl(ice, vol1);
+ se200pci_WM8776_set_afl(ice, ice->spec.se.vol[n].ch1);
break;
default:
break;
}
+}
+
+static int se200pci_cont_volume_put(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_value *uc)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
+ int n = kc->private_value;
+ unsigned int vol1, vol2;
+ int changed;
+
+ changed = 0;
+ vol1 = uc->value.integer.value[0] & 0xff;
+ vol2 = uc->value.integer.value[1] & 0xff;
+ if (ice->spec.se.vol[n].ch1 != vol1) {
+ ice->spec.se.vol[n].ch1 = vol1;
+ changed = 1;
+ }
+ if (ice->spec.se.vol[n].ch2 != vol2) {
+ ice->spec.se.vol[n].ch2 = vol2;
+ changed = 1;
+ }
+ if (changed)
+ se200pci_cont_update(ice, n);
return changed;
}
+static int se200pci_cont_boolean_put(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_value *uc)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
+ int n = kc->private_value;
+ unsigned int vol1;
+
+ vol1 = !!uc->value.integer.value[0];
+ if (ice->spec.se.vol[n].ch1 != vol1) {
+ ice->spec.se.vol[n].ch1 = vol1;
+ se200pci_cont_update(ice, n);
+ return 1;
+ }
+ return 0;
+}
+
+static int se200pci_cont_enum_put(struct snd_kcontrol *kc,
+ struct snd_ctl_elem_value *uc)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kc);
+ int n = kc->private_value;
+ unsigned int vol1;
+
+ vol1 = uc->value.enumerated.item[0];
+ if (vol1 >= se200pci_get_enum_count(n))
+ return -EINVAL;
+ if (ice->spec.se.vol[n].ch1 != vol1) {
+ ice->spec.se.vol[n].ch1 = vol1;
+ se200pci_cont_update(ice, n);
+ return 1;
+ }
+ return 0;
+}
+
static const DECLARE_TLV_DB_SCALE(db_scale_gain1, -12750, 50, 1);
static const DECLARE_TLV_DB_SCALE(db_scale_gain2, -10350, 50, 1);
@@ -554,23 +597,36 @@ static int __devinit se200pci_add_controls(struct snd_ice1712 *ice)
memset(&cont, 0, sizeof(cont));
cont.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- cont.info = se200pci_cont_info;
- cont.get = se200pci_cont_get;
- cont.put = se200pci_cont_put;
for (i = 0; i < ARRAY_SIZE(se200pci_cont); i++) {
cont.private_value = i;
cont.name = se200pci_cont[i].name;
cont.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
cont.tlv.p = NULL;
- if (se200pci_cont[i].type == VOLUME1 ||
- se200pci_cont[i].type == VOLUME2) {
-
+ switch (se200pci_cont[i].type) {
+ case VOLUME1:
+ case VOLUME2:
+ cont.info = se200pci_cont_volume_info;
+ cont.get = se200pci_cont_volume_get;
+ cont.put = se200pci_cont_volume_put;
cont.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
-
if (se200pci_cont[i].type == VOLUME1)
cont.tlv.p = db_scale_gain1;
else
cont.tlv.p = db_scale_gain2;
+ break;
+ case BOOLEAN:
+ cont.info = se200pci_cont_boolean_info;
+ cont.get = se200pci_cont_boolean_get;
+ cont.put = se200pci_cont_boolean_put;
+ break;
+ case ENUM:
+ cont.info = se200pci_cont_enum_info;
+ cont.get = se200pci_cont_enum_get;
+ cont.put = se200pci_cont_enum_put;
+ break;
+ default:
+ snd_BUG();
+ return -EINVAL;
}
err = snd_ctl_add(ice->card, snd_ctl_new1(&cont, ice));
if (err < 0)