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ALSA: ASoC: Convert bitfields in ASoC into full int width
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Convert bitfields in ASoC into full int width. This is a
simple mechanical conversion. Two places in the DAPM code
were fixed to properly use mask.

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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Jon Smirl authored and Jaroslav Kysela committed Jul 29, 2008
1 parent 58cd33c commit 4eaa981
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Showing 3 changed files with 114 additions and 74 deletions.
50 changes: 31 additions & 19 deletions include/sound/soc.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -26,10 +26,12 @@
/*
* Convenience kcontrol builders
*/
#define SOC_SINGLE_VALUE(reg, shift, max, invert) ((reg) | ((shift) << 8) |\
((shift) << 12) | ((max) << 16) | ((invert) << 24))
#define SOC_SINGLE_VALUE_EXT(reg, max, invert) ((reg) | ((max) << 16) |\
((invert) << 31))
#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = xshift, .max = xmax, .invert = xinvert})
#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
((unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .max = xmax, .invert = xinvert})
#define SOC_SINGLE(xname, reg, shift, max, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
Expand All @@ -43,45 +45,49 @@
.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
.put = snd_soc_put_volsw, \
.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
#define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
.put = snd_soc_put_volsw, \
.private_value = (reg) | ((shift_left) << 8) | \
((shift_right) << 12) | ((max) << 16) | ((invert) << 24) }
#define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, max, invert) \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = shift_left, .rshift = shift_right, \
.max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.info = snd_soc_info_volsw_2r, \
.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
.private_value = (reg_left) | ((shift) << 8) | \
((max) << 12) | ((invert) << 20) | ((reg_right) << 24) }
#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
.max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
SNDRV_CTL_ELEM_ACCESS_READWRITE,\
.tlv.p = (tlv_array), \
.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
.put = snd_soc_put_volsw, \
.private_value = (reg) | ((shift_left) << 8) | \
((shift_right) << 12) | ((max) << 16) | ((invert) << 24) }
#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, shift, max, invert, tlv_array) \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = shift_left, .rshift = shift_right,\
.max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
SNDRV_CTL_ELEM_ACCESS_READWRITE,\
.tlv.p = (tlv_array), \
.info = snd_soc_info_volsw_2r, \
.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
.private_value = (reg_left) | ((shift) << 8) | \
((max) << 12) | ((invert) << 20) | ((reg_right) << 24) }
#define SOC_DOUBLE_S8_TLV(xname, reg, min, max, tlv_array) \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
.max = xmax, .invert = xinvert} }
#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.tlv.p = (tlv_array), \
.info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
.put = snd_soc_put_volsw_s8, \
.private_value = (reg) | (((signed char)max) << 16) | \
(((signed char)min) << 24) }
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .min = xmin, .max = xmax} }
#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \
{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
.mask = xmask, .texts = xtexts }
Expand Down Expand Up @@ -518,6 +524,12 @@ struct snd_soc_pcm_runtime {
struct snd_soc_device *socdev;
};

/* mixer control */
struct soc_mixer_control {
int min, max;
uint reg, rreg, shift, rshift, invert;
};

/* enumerated kcontrol */
struct soc_enum {
unsigned short reg;
Expand Down
86 changes: 52 additions & 34 deletions sound/soc/soc-core.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1454,9 +1454,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int max = (kcontrol->private_value >> 16) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int max = mc->max;
uint shift = mc->min;
uint rshift = mc->rshift;

if (max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
Expand All @@ -1482,13 +1484,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int max = (kcontrol->private_value >> 16) & 0xff;
int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 24) & 0x01;
uint reg = mc->reg;
uint shift = mc->shift;
uint rshift = mc->rshift;
int max = mc->max;
uint mask = (1 << fls(max)) - 1;
uint invert = mc->invert;

ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg) >> shift) & mask;
Expand Down Expand Up @@ -1519,13 +1523,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int max = (kcontrol->private_value >> 16) & 0xff;
int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 24) & 0x01;
uint reg = mc->reg;
uint shift = mc->shift;
uint rshift = mc->rshift;
int max = mc->max;
uint mask = (1 << fls(max)) - 1;
uint invert = mc->invert;
unsigned short val, val2, val_mask;

val = (ucontrol->value.integer.value[0] & mask);
Expand Down Expand Up @@ -1557,7 +1563,9 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int max = (kcontrol->private_value >> 12) & 0xff;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int max = mc->max;

if (max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
Expand All @@ -1583,13 +1591,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int reg2 = (kcontrol->private_value >> 24) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int max = (kcontrol->private_value >> 12) & 0xff;
int mask = (1<<fls(max))-1;
int invert = (kcontrol->private_value >> 20) & 0x01;
uint reg = mc->reg;
uint reg2 = mc->rreg;
uint shift = mc->shift;
int max = mc->max;
uint mask = (1<<fls(max))-1;
uint invert = mc->invert;

ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg) >> shift) & mask;
Expand Down Expand Up @@ -1618,13 +1628,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r);
int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int reg2 = (kcontrol->private_value >> 24) & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int max = (kcontrol->private_value >> 12) & 0xff;
int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 20) & 0x01;
uint reg = mc->reg;
uint reg2 = mc->rreg;
uint shift = mc->shift;
int max = mc->max;
uint mask = (1 << fls(max)) - 1;
uint invert = mc->invert;
int err;
unsigned short val, val2, val_mask;

Expand Down Expand Up @@ -1661,8 +1673,10 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r);
int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int max = (signed char)((kcontrol->private_value >> 16) & 0xff);
int min = (signed char)((kcontrol->private_value >> 24) & 0xff);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int max = mc->max;
int min = mc->min;

uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
Expand All @@ -1684,9 +1698,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int min = (signed char)((kcontrol->private_value >> 24) & 0xff);
uint reg = mc->reg;
int min = mc->min;
int val = snd_soc_read(codec, reg);

ucontrol->value.integer.value[0] =
Expand All @@ -1709,9 +1725,11 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int min = (signed char)((kcontrol->private_value >> 24) & 0xff);
uint reg = mc->reg;
int min = mc->min;
unsigned short val;

val = (ucontrol->value.integer.value[0]+min) & 0xff;
Expand Down
52 changes: 31 additions & 21 deletions sound/soc/soc-dapm.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -104,10 +104,13 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer: {
int val;
int reg = w->kcontrols[i].private_value & 0xff;
int shift = (w->kcontrols[i].private_value >> 8) & 0x0f;
int mask = (w->kcontrols[i].private_value >> 16) & 0xff;
int invert = (w->kcontrols[i].private_value >> 24) & 0x01;
struct soc_mixer_control *mc = (struct soc_mixer_control *)
w->kcontrols[i].private_value;
uint reg = mc->reg;
uint shift = mc->shift;
int max = mc->max;
uint mask = (1 << fls(max)) - 1;
uint invert = mc->invert;

val = snd_soc_read(w->codec, reg);
val = (val >> shift) & mask;
Expand Down Expand Up @@ -247,16 +250,19 @@ static int dapm_set_pga(struct snd_soc_dapm_widget *widget, int power)
return 0;

if (widget->num_kcontrols && k) {
int reg = k->private_value & 0xff;
int shift = (k->private_value >> 8) & 0x0f;
int mask = (k->private_value >> 16) & 0xff;
int invert = (k->private_value >> 24) & 0x01;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)k->private_value;
uint reg = mc->reg;
uint shift = mc->shift;
int max = mc->max;
uint mask = (1 << fls(max)) - 1;
uint invert = mc->invert;

if (power) {
int i;
/* power up has happended, increase volume to last level */
if (invert) {
for (i = mask; i > widget->saved_value; i--)
for (i = max; i > widget->saved_value; i--)
snd_soc_update_bits(widget->codec, reg, mask, i);
} else {
for (i = 0; i < widget->saved_value; i++)
Expand Down Expand Up @@ -1133,12 +1139,14 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int max = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0x01;
int mask = (1 << fls(max)) - 1;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
uint reg = mc->reg;
uint shift = mc->shift;
uint rshift = mc->rshift;
int max = mc->max;
uint invert = mc->invert;
uint mask = (1 << fls(max)) - 1;

/* return the saved value if we are powered down */
if (widget->id == snd_soc_dapm_pga && !widget->power) {
Expand Down Expand Up @@ -1176,12 +1184,14 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int max = (kcontrol->private_value >> 16) & 0xff;
int mask = (1 << fls(max)) - 1;
int invert = (kcontrol->private_value >> 24) & 0x01;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
uint reg = mc->reg;
uint shift = mc->shift;
uint rshift = mc->rshift;
int max = mc->max;
uint mask = (1 << fls(max)) - 1;
uint invert = mc->invert;
unsigned short val, val2, val_mask;
int ret;

Expand Down

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