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[ALSA] ASoC TLV support

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Add TLV support to ASoC.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Philipp Zabel
2008-01-10 14:37:42 +01:00
committed by Jaroslav Kysela
parent 0b4d221b8d
commit a7a4ac86b4
4 changed files with 114 additions and 48 deletions
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66
sound/soc/soc-core.c
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@@ -1213,7 +1213,6 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
memcpy(&template, _template, sizeof(template));
if (long_name)
template.name = long_name;
template.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
template.index = 0;
return snd_ctl_new1(&template, data);
@@ -1348,13 +1347,16 @@ EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext);
int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int mask = kcontrol->private_value;
int max = kcontrol->private_value;
if (max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->type =
mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
uinfo->value.integer.max = max;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
@@ -1371,15 +1373,18 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int mask = (kcontrol->private_value >> 16) & 0xff;
int max = (kcontrol->private_value >> 16) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
uinfo->type =
mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
if (max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = shift == rshift ? 1 : 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
uinfo->value.integer.max = max;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
@@ -1400,7 +1405,8 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
int max = (kcontrol->private_value >> 16) & 0xff;
int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 24) & 0x01;
ucontrol->value.integer.value[0] =
@@ -1410,10 +1416,10 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
(snd_soc_read(codec, reg) >> rshift) & mask;
if (invert) {
ucontrol->value.integer.value[0] =
mask - ucontrol->value.integer.value[0];
max - ucontrol->value.integer.value[0];
if (shift != rshift)
ucontrol->value.integer.value[1] =
mask - ucontrol->value.integer.value[1];
max - ucontrol->value.integer.value[1];
}
return 0;
@@ -1436,25 +1442,24 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
int max = (kcontrol->private_value >> 16) & 0xff;
int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 24) & 0x01;
int err;
unsigned short val, val2, val_mask;
val = (ucontrol->value.integer.value[0] & mask);
if (invert)
val = mask - val;
val = max - val;
val_mask = mask << shift;
val = val << shift;
if (shift != rshift) {
val2 = (ucontrol->value.integer.value[1] & mask);
if (invert)
val2 = mask - val2;
val2 = max - val2;
val_mask |= mask << rshift;
val |= val2 << rshift;
}
err = snd_soc_update_bits(codec, reg, val_mask, val);
return err;
return snd_soc_update_bits(codec, reg, val_mask, val);
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
@@ -1471,13 +1476,16 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int mask = (kcontrol->private_value >> 12) & 0xff;
int max = (kcontrol->private_value >> 12) & 0xff;
if (max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->type =
mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
uinfo->value.integer.max = max;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
@@ -1498,7 +1506,8 @@ int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
int reg = kcontrol->private_value & 0xff;
int reg2 = (kcontrol->private_value >> 24) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int mask = (kcontrol->private_value >> 12) & 0xff;
int max = (kcontrol->private_value >> 12) & 0xff;
int mask = (1<<fls(max))-1;
int invert = (kcontrol->private_value >> 20) & 0x01;
ucontrol->value.integer.value[0] =
@@ -1507,9 +1516,9 @@ int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
(snd_soc_read(codec, reg2) >> shift) & mask;
if (invert) {
ucontrol->value.integer.value[0] =
mask - ucontrol->value.integer.value[0];
max - ucontrol->value.integer.value[0];
ucontrol->value.integer.value[1] =
mask - ucontrol->value.integer.value[1];
max - ucontrol->value.integer.value[1];
}
return 0;
@@ -1532,7 +1541,8 @@ int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
int reg = kcontrol->private_value & 0xff;
int reg2 = (kcontrol->private_value >> 24) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int mask = (kcontrol->private_value >> 12) & 0xff;
int max = (kcontrol->private_value >> 12) & 0xff;
int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 20) & 0x01;
int err;
unsigned short val, val2, val_mask;
@@ -1542,8 +1552,8 @@ int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
val2 = (ucontrol->value.integer.value[1] & mask);
if (invert) {
val = mask - val;
val2 = mask - val2;
val = max - val;
val2 = max - val2;
}
val = val << shift;