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ASoC: core: Fix SOC_DOUBLE_RANGE() macros 

Although we've had macros defining double _RANGE controls for a while now
they've not actually been backed up properly by the implementation, it's
treated everything as mono. Fix that by implementing the handling in the
stereo controls, ensuring that the mono controls don't mistakenly get
treated as stereo.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2012-12-19 16:05:00 +00:00
parent 08b27848da
commit 9bde4f0b1c
2 changed files with 36 additions and 6 deletions
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10
include/sound/soc.h
View File

@ -58,8 +58,9 @@
.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
.put = snd_soc_put_volsw_range, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = xshift, .min = xmin,\
.max = xmax, .platform_max = xmax, .invert = xinvert} }
{.reg = xreg, .rreg = xreg, .shift = xshift, \
.rshift = xshift, .min = xmin, .max = xmax, \
.platform_max = xmax, .invert = xinvert} }
#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
@ -88,8 +89,9 @@
.info = snd_soc_info_volsw_range, \
.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = xshift, .min = xmin,\
.max = xmax, .platform_max = xmax, .invert = xinvert} }
{.reg = xreg, .rreg = xreg, .shift = xshift, \
.rshift = xshift, .min = xmin, .max = xmax, \
.platform_max = xmax, .invert = xinvert} }
#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \

32
sound/soc/soc-core.c
View File

@ -2917,7 +2917,7 @@ int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
platform_max = mc->platform_max;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = platform_max - min;
@ -2941,12 +2941,14 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
unsigned int rreg = mc->rreg;
unsigned int shift = mc->shift;
int min = mc->min;
int max = mc->max;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val, val_mask;
int ret;
val = ((ucontrol->value.integer.value[0] + min) & mask);
if (invert)
@ -2954,7 +2956,21 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
val_mask = mask << shift;
val = val << shift;
return snd_soc_update_bits_locked(codec, reg, val_mask, val);
ret = snd_soc_update_bits_locked(codec, reg, val_mask, val);
if (ret != 0)
return ret;
if (snd_soc_volsw_is_stereo(mc)) {
val = ((ucontrol->value.integer.value[1] + min) & mask);
if (invert)
val = max - val;
val_mask = mask << shift;
val = val << shift;
ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val);
}
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
@ -2974,11 +2990,13 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
unsigned int rreg = mc->rreg;
unsigned int shift = mc->shift;
int min = mc->min;
int max = mc->max;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
int ret;
ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg) >> shift) & mask;
@ -2988,6 +3006,16 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
ucontrol->value.integer.value[0] =
ucontrol->value.integer.value[0] - min;
if (snd_soc_volsw_is_stereo(mc)) {
ucontrol->value.integer.value[1] =
(snd_soc_read(codec, rreg) >> shift) & mask;
if (invert)
ucontrol->value.integer.value[1] =
max - ucontrol->value.integer.value[1];
ucontrol->value.integer.value[1] =
ucontrol->value.integer.value[1] - min;
}
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);