if (card->rtd[i].dai_link->ignore_suspend)
continue;
- --- if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control)
+ +++ if (cpu_dai->driver->suspend && !cpu_dai->driver->bus_control)
cpu_dai->driver->suspend(cpu_dai);
---- if (platform->driver->suspend && !platform->suspended) {
---- platform->driver->suspend(cpu_dai);
---- platform->suspended = 1;
---- }
}
/* close any waiting streams and save state */
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- --- if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control)
+ +++ if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control)
cpu_dai->driver->resume(cpu_dai);
---- if (platform->driver->resume && platform->suspended) {
---- platform->driver->resume(cpu_dai);
---- platform->suspended = 0;
---- }
}
if (card->resume_post)
}
}
- --- /* add platform data for AC97 devices */
- --- for (i = 0; i < rtd->num_codecs; i++) {
- --- if (rtd->codec_dais[i]->driver->ac97_control)
- --- snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97,
- --- rtd->cpu_dai->ac97_pdata);
--- }
---
--- return 0;
---}
---
---#ifdef CONFIG_SND_SOC_AC97_BUS
---static int soc_register_ac97_codec(struct snd_soc_codec *codec,
--- struct snd_soc_dai *codec_dai)
---{
--- int ret;
---
--- /* Only instantiate AC97 if not already done by the adaptor
--- * for the generic AC97 subsystem.
--- */
--- if (codec_dai->driver->ac97_control && !codec->ac97_registered) {
--- /*
--- * It is possible that the AC97 device is already registered to
--- * the device subsystem. This happens when the device is created
--- * via snd_ac97_mixer(). Currently only SoC codec that does so
--- * is the generic AC97 glue but others migh emerge.
--- *
--- * In those cases we don't try to register the device again.
--- */
--- if (!codec->ac97_created)
--- return 0;
---
--- ret = soc_ac97_dev_register(codec);
--- if (ret < 0) {
--- dev_err(codec->dev,
--- "ASoC: AC97 device register failed: %d\n", ret);
--- return ret;
--- }
---
--- codec->ac97_registered = 1;
--- }
--- return 0;
---}
---
---static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
---{
--- if (codec->ac97_registered) {
--- soc_ac97_dev_unregister(codec);
--- codec->ac97_registered = 0;
--- }
---}
---
---static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
---{
--- int i, ret;
---
--- for (i = 0; i < rtd->num_codecs; i++) {
--- struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
---
--- ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
--- if (ret) {
--- while (--i >= 0)
--- soc_unregister_ac97_codec(codec_dai->codec);
--- return ret;
--- }
- --- }
- ---
return 0;
}
- #ifdef CONFIG_SND_SOC_AC97_BUS
- static int soc_register_ac97_codec(struct snd_soc_codec *codec,
- struct snd_soc_dai *codec_dai)
- {
- int ret;
-
- /* Only instantiate AC97 if not already done by the adaptor
- * for the generic AC97 subsystem.
- */
- if (codec_dai->driver->ac97_control && !codec->ac97_registered) {
- /*
- * It is possible that the AC97 device is already registered to
- * the device subsystem. This happens when the device is created
- * via snd_ac97_mixer(). Currently only SoC codec that does so
- * is the generic AC97 glue but others migh emerge.
- *
- * In those cases we don't try to register the device again.
- */
- if (!codec->ac97_created)
- return 0;
-
- ret = soc_ac97_dev_register(codec);
- if (ret < 0) {
- dev_err(codec->dev,
- "ASoC: AC97 device register failed: %d\n", ret);
- return ret;
- }
-
- codec->ac97_registered = 1;
- }
- return 0;
- }
-
- static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
- {
- if (codec->ac97_registered) {
- soc_ac97_dev_unregister(codec);
- codec->ac97_registered = 0;
- }
- }
-
- static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
- {
- int i, ret;
-
- for (i = 0; i < rtd->num_codecs; i++) {
- struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
-
- ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
- if (ret) {
- while (--i >= 0)
- soc_unregister_ac97_codec(codec_dai->codec);
- return ret;
- }
- }
-
- return 0;
- }
-
- ---static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
- ---{
- --- int i;
- ---
- --- for (i = 0; i < rtd->num_codecs; i++)
- --- soc_unregister_ac97_codec(rtd->codec_dais[i]->codec);
- ---}
- ---#endif
- ---
static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
}
EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
- /**
- * snd_soc_info_enum_double - enumerated double mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a double enumerated
- * mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
- uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
- uinfo->value.enumerated.items = e->items;
-
- if (uinfo->value.enumerated.item >= e->items)
- uinfo->value.enumerated.item = e->items - 1;
- strlcpy(uinfo->value.enumerated.name,
- e->texts[uinfo->value.enumerated.item],
- sizeof(uinfo->value.enumerated.name));
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
-
- /**
- * snd_soc_get_enum_double - enumerated double mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a double enumerated mixer.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int val, item;
- unsigned int reg_val;
- int ret;
-
- ret = snd_soc_component_read(component, e->reg, ®_val);
- if (ret)
- return ret;
- val = (reg_val >> e->shift_l) & e->mask;
- item = snd_soc_enum_val_to_item(e, val);
- ucontrol->value.enumerated.item[0] = item;
- if (e->shift_l != e->shift_r) {
- val = (reg_val >> e->shift_l) & e->mask;
- item = snd_soc_enum_val_to_item(e, val);
- ucontrol->value.enumerated.item[1] = item;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
-
- /**
- * snd_soc_put_enum_double - enumerated double mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a double enumerated mixer.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int *item = ucontrol->value.enumerated.item;
- unsigned int val;
- unsigned int mask;
-
- if (item[0] >= e->items)
- return -EINVAL;
- val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
- mask = e->mask << e->shift_l;
- if (e->shift_l != e->shift_r) {
- if (item[1] >= e->items)
- return -EINVAL;
- val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;
- mask |= e->mask << e->shift_r;
- }
-
- return snd_soc_component_update_bits(component, e->reg, mask, val);
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
-
- /**
- * snd_soc_read_signed - Read a codec register and interprete as signed value
- * @component: component
- * @reg: Register to read
- * @mask: Mask to use after shifting the register value
- * @shift: Right shift of register value
- * @sign_bit: Bit that describes if a number is negative or not.
- * @signed_val: Pointer to where the read value should be stored
- *
- * This functions reads a codec register. The register value is shifted right
- * by 'shift' bits and masked with the given 'mask'. Afterwards it translates
- * the given registervalue into a signed integer if sign_bit is non-zero.
- *
- * Returns 0 on sucess, otherwise an error value
- */
- static int snd_soc_read_signed(struct snd_soc_component *component,
- unsigned int reg, unsigned int mask, unsigned int shift,
- unsigned int sign_bit, int *signed_val)
- {
- int ret;
- unsigned int val;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
- val = (val >> shift) & mask;
-
- if (!sign_bit) {
- *signed_val = val;
- return 0;
- }
-
- /* non-negative number */
- if (!(val & BIT(sign_bit))) {
- *signed_val = val;
- return 0;
- }
-
- ret = val;
-
- /*
- * The register most probably does not contain a full-sized int.
- * Instead we have an arbitrary number of bits in a signed
- * representation which has to be translated into a full-sized int.
- * This is done by filling up all bits above the sign-bit.
- */
- ret |= ~((int)(BIT(sign_bit) - 1));
-
- *signed_val = ret;
-
- return 0;
- }
-
- /**
- * snd_soc_info_volsw - single mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a single mixer control, or a double
- * mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- else
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-
- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - mc->min;
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
-
- /**
- * snd_soc_get_volsw - single mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int sign_bit = mc->sign_bit;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- int val;
- int ret;
-
- if (sign_bit)
- mask = BIT(sign_bit + 1) - 1;
-
- ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] = val - min;
- if (invert)
- ucontrol->value.integer.value[0] =
- max - ucontrol->value.integer.value[0];
-
- if (snd_soc_volsw_is_stereo(mc)) {
- if (reg == reg2)
- ret = snd_soc_read_signed(component, reg, mask, rshift,
- sign_bit, &val);
- else
- ret = snd_soc_read_signed(component, reg2, mask, shift,
- sign_bit, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[1] = val - min;
- if (invert)
- ucontrol->value.integer.value[1] =
- max - ucontrol->value.integer.value[1];
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
-
- /**
- * snd_soc_put_volsw - single mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- unsigned int sign_bit = mc->sign_bit;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- int err;
- bool type_2r = false;
- unsigned int val2 = 0;
- unsigned int val, val_mask;
-
- if (sign_bit)
- mask = BIT(sign_bit + 1) - 1;
-
- val = ((ucontrol->value.integer.value[0] + min) & mask);
- if (invert)
- val = max - val;
- val_mask = mask << shift;
- val = val << shift;
- if (snd_soc_volsw_is_stereo(mc)) {
- val2 = ((ucontrol->value.integer.value[1] + min) & mask);
- if (invert)
- val2 = max - val2;
- if (reg == reg2) {
- val_mask |= mask << rshift;
- val |= val2 << rshift;
- } else {
- val2 = val2 << shift;
- type_2r = true;
- }
- }
- err = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (err < 0)
- return err;
-
- if (type_2r)
- err = snd_soc_component_update_bits(component, reg2, val_mask,
- val2);
-
- return err;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
-
- /**
- * snd_soc_get_volsw_sx - single mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int mask = (1 << (fls(min + max) - 1)) - 1;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
- ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, reg2, &val);
- if (ret < 0)
- return ret;
-
- val = ((val >> rshift) - min) & mask;
- ucontrol->value.integer.value[1] = val;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
-
- /**
- * snd_soc_put_volsw_sx - double mixer set callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to set the value of a double mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
-
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int mask = (1 << (fls(min + max) - 1)) - 1;
- int err = 0;
- unsigned int val, val_mask, val2 = 0;
-
- val_mask = mask << shift;
- val = (ucontrol->value.integer.value[0] + min) & mask;
- val = val << shift;
-
- err = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (err < 0)
- return err;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- val_mask = mask << rshift;
- val2 = (ucontrol->value.integer.value[1] + min) & mask;
- val2 = val2 << rshift;
-
- err = snd_soc_component_update_bits(component, reg2, val_mask,
- val2);
- }
- return err;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
-
- /**
- * snd_soc_info_volsw_s8 - signed mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a signed mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
- int min = mc->min;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 2;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - min;
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
-
- /**
- * snd_soc_get_volsw_s8 - signed mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a signed mixer control.
- *
- * Returns 0 for success.
- */
- 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_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- unsigned int val;
- int min = mc->min;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] =
- ((signed char)(val & 0xff))-min;
- ucontrol->value.integer.value[1] =
- ((signed char)((val >> 8) & 0xff))-min;
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
-
- /**
- * snd_soc_put_volsw_sgn - signed mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a signed mixer control.
- *
- * Returns 0 for success.
- */
- 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_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- int min = mc->min;
- unsigned int val;
-
- val = (ucontrol->value.integer.value[0]+min) & 0xff;
- val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8;
-
- return snd_soc_component_update_bits(component, reg, 0xffff, val);
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
-
- /**
- * snd_soc_info_volsw_range - single mixer info callback with range.
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information, within a range, about a single
- * mixer control.
- *
- * returns 0 for success.
- */
- int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
- int min = mc->min;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - min;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
-
- /**
- * snd_soc_put_volsw_range - single mixer put value callback with range.
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value, within a range, for a single mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_volsw_range(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_component *component = 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;
-
- if (invert)
- val = (max - ucontrol->value.integer.value[0]) & mask;
- else
- val = ((ucontrol->value.integer.value[0] + min) & mask);
- val_mask = mask << shift;
- val = val << shift;
-
- ret = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (ret < 0)
- return ret;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- if (invert)
- val = (max - ucontrol->value.integer.value[1]) & mask;
- else
- val = ((ucontrol->value.integer.value[1] + min) & mask);
- val_mask = mask << shift;
- val = val << shift;
-
- ret = snd_soc_component_update_bits(component, rreg, val_mask,
- val);
- }
-
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
-
- /**
- * snd_soc_get_volsw_range - single mixer get callback with range
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value, within a range, of a single mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- 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;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] = (val >> shift) & mask;
- if (invert)
- ucontrol->value.integer.value[0] =
- max - ucontrol->value.integer.value[0];
- else
- ucontrol->value.integer.value[0] =
- ucontrol->value.integer.value[0] - min;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, rreg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[1] = (val >> shift) & mask;
- if (invert)
- ucontrol->value.integer.value[1] =
- max - ucontrol->value.integer.value[1];
- else
- ucontrol->value.integer.value[1] =
- ucontrol->value.integer.value[1] - min;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
-
- /**
- * snd_soc_limit_volume - Set new limit to an existing volume control.
- *
- * @codec: where to look for the control
- * @name: Name of the control
- * @max: new maximum limit
- *
- * Return 0 for success, else error.
- */
- int snd_soc_limit_volume(struct snd_soc_codec *codec,
- const char *name, int max)
- {
- struct snd_card *card = codec->component.card->snd_card;
- struct snd_kcontrol *kctl;
- struct soc_mixer_control *mc;
- int found = 0;
- int ret = -EINVAL;
-
- /* Sanity check for name and max */
- if (unlikely(!name || max <= 0))
- return -EINVAL;
-
- list_for_each_entry(kctl, &card->controls, list) {
- if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
- found = 1;
- break;
- }
- }
- if (found) {
- mc = (struct soc_mixer_control *)kctl->private_value;
- if (max <= mc->max) {
- mc->platform_max = max;
- ret = 0;
- }
- }
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_limit_volume);
-
- int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- uinfo->count = params->num_regs * component->val_bytes;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
-
- int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
- int ret;
-
- if (component->regmap)
- ret = regmap_raw_read(component->regmap, params->base,
- ucontrol->value.bytes.data,
- params->num_regs * component->val_bytes);
- else
- ret = -EINVAL;
-
- /* Hide any masked bytes to ensure consistent data reporting */
- if (ret == 0 && params->mask) {
- switch (component->val_bytes) {
- case 1:
- ucontrol->value.bytes.data[0] &= ~params->mask;
- break;
- case 2:
- ((u16 *)(&ucontrol->value.bytes.data))[0]
- &= cpu_to_be16(~params->mask);
- break;
- case 4:
- ((u32 *)(&ucontrol->value.bytes.data))[0]
- &= cpu_to_be32(~params->mask);
- break;
- default:
- return -EINVAL;
- }
- }
-
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
-
- int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
- int ret, len;
- unsigned int val, mask;
- void *data;
-
- if (!component->regmap || !params->num_regs)
- return -EINVAL;
-
- len = params->num_regs * component->val_bytes;
-
- data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
- if (!data)
- return -ENOMEM;
-
- /*
- * If we've got a mask then we need to preserve the register
- * bits. We shouldn't modify the incoming data so take a
- * copy.
- */
- if (params->mask) {
- ret = regmap_read(component->regmap, params->base, &val);
- if (ret != 0)
- goto out;
-
- val &= params->mask;
-
- switch (component->val_bytes) {
- case 1:
- ((u8 *)data)[0] &= ~params->mask;
- ((u8 *)data)[0] |= val;
- break;
- case 2:
- mask = ~params->mask;
- ret = regmap_parse_val(component->regmap,
- &mask, &mask);
- if (ret != 0)
- goto out;
-
- ((u16 *)data)[0] &= mask;
-
- ret = regmap_parse_val(component->regmap,
- &val, &val);
- if (ret != 0)
- goto out;
-
- ((u16 *)data)[0] |= val;
- break;
- case 4:
- mask = ~params->mask;
- ret = regmap_parse_val(component->regmap,
- &mask, &mask);
- if (ret != 0)
- goto out;
-
- ((u32 *)data)[0] &= mask;
-
- ret = regmap_parse_val(component->regmap,
- &val, &val);
- if (ret != 0)
- goto out;
-
- ((u32 *)data)[0] |= val;
- break;
- default:
- ret = -EINVAL;
- goto out;
- }
- }
-
- ret = regmap_raw_write(component->regmap, params->base,
- data, len);
-
- out:
- kfree(data);
-
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
-
- int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *ucontrol)
- {
- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
-
- ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- ucontrol->count = params->max;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext);
-
- int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
- unsigned int size, unsigned int __user *tlv)
- {
- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
- unsigned int count = size < params->max ? size : params->max;
- int ret = -ENXIO;
-
- switch (op_flag) {
- case SNDRV_CTL_TLV_OP_READ:
- if (params->get)
- ret = params->get(tlv, count);
- break;
- case SNDRV_CTL_TLV_OP_WRITE:
- if (params->put)
- ret = params->put(tlv, count);
- break;
- }
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback);
-
- /**
- * snd_soc_info_xr_sx - signed multi register info callback
- * @kcontrol: mreg control
- * @uinfo: control element information
- *
- * Callback to provide information of a control that can
- * span multiple codec registers which together
- * forms a single signed value in a MSB/LSB manner.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- uinfo->value.integer.min = mc->min;
- uinfo->value.integer.max = mc->max;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx);
-
- /**
- * snd_soc_get_xr_sx - signed multi register get callback
- * @kcontrol: mreg control
- * @ucontrol: control element information
- *
- * Callback to get the value of a control that can span
- * multiple codec registers which together forms a single
- * signed value in a MSB/LSB manner. The control supports
- * specifying total no of bits used to allow for bitfields
- * across the multiple codec registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- unsigned int regbase = mc->regbase;
- unsigned int regcount = mc->regcount;
- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
- unsigned int invert = mc->invert;
- unsigned long mask = (1UL<<mc->nbits)-1;
- long min = mc->min;
- long max = mc->max;
- long val = 0;
- unsigned int regval;
- unsigned int i;
- int ret;
-
- for (i = 0; i < regcount; i++) {
- ret = snd_soc_component_read(component, regbase+i, ®val);
- if (ret)
- return ret;
- val |= (regval & regwmask) << (regwshift*(regcount-i-1));
- }
- val &= mask;
- if (min < 0 && val > max)
- val |= ~mask;
- if (invert)
- val = max - val;
- ucontrol->value.integer.value[0] = val;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx);
-
- /**
- * snd_soc_put_xr_sx - signed multi register get callback
- * @kcontrol: mreg control
- * @ucontrol: control element information
- *
- * Callback to set the value of a control that can span
- * multiple codec registers which together forms a single
- * signed value in a MSB/LSB manner. The control supports
- * specifying total no of bits used to allow for bitfields
- * across the multiple codec registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- unsigned int regbase = mc->regbase;
- unsigned int regcount = mc->regcount;
- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
- unsigned int invert = mc->invert;
- unsigned long mask = (1UL<<mc->nbits)-1;
- long max = mc->max;
- long val = ucontrol->value.integer.value[0];
- unsigned int i, regval, regmask;
- int err;
-
- if (invert)
- val = max - val;
- val &= mask;
- for (i = 0; i < regcount; i++) {
- regval = (val >> (regwshift*(regcount-i-1))) & regwmask;
- regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask;
- err = snd_soc_component_update_bits(component, regbase+i,
- regmask, regval);
- if (err < 0)
- return err;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);
-
- /**
- * snd_soc_get_strobe - strobe get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback get the value of a strobe mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = 1 << shift;
- unsigned int invert = mc->invert != 0;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- val &= mask;
-
- if (shift != 0 && val != 0)
- val = val >> shift;
- ucontrol->value.enumerated.item[0] = val ^ invert;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_strobe);
-
- /**
- * snd_soc_put_strobe - strobe put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback strobe a register bit to high then low (or the inverse)
- * in one pass of a single mixer enum control.
- *
- * Returns 1 for success.
- */
- int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = 1 << shift;
- unsigned int invert = mc->invert != 0;
- unsigned int strobe = ucontrol->value.enumerated.item[0] != 0;
- unsigned int val1 = (strobe ^ invert) ? mask : 0;
- unsigned int val2 = (strobe ^ invert) ? 0 : mask;
- int err;
-
- err = snd_soc_component_update_bits(component, reg, mask, val1);
- if (err < 0)
- return err;
-
- return snd_soc_component_update_bits(component, reg, mask, val2);
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_strobe);
-
/**
--- * snd_soc_info_enum_double - enumerated double mixer info callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information about a double enumerated
--- * mixer control.
+++ * snd_soc_dai_set_sysclk - configure DAI system or master clock.
+++ * @dai: DAI
+++ * @clk_id: DAI specific clock ID
+++ * @freq: new clock frequency in Hz
+++ * @dir: new clock direction - input/output.
*
--- * Returns 0 for success.
+++ * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
*/
---int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
+++int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+++ unsigned int freq, int dir)
{
--- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
--- uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
--- uinfo->value.enumerated.items = e->items;
---
--- if (uinfo->value.enumerated.item >= e->items)
--- uinfo->value.enumerated.item = e->items - 1;
--- strlcpy(uinfo->value.enumerated.name,
--- e->texts[uinfo->value.enumerated.item],
--- sizeof(uinfo->value.enumerated.name));
--- return 0;
+++ if (dai->driver && dai->driver->ops->set_sysclk)
+++ return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
+++ else if (dai->codec && dai->codec->driver->set_sysclk)
+++ return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
+++ freq, dir);
+++ else
+++ return -ENOTSUPP;
}
---EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
+++EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
/**
--- * snd_soc_get_enum_double - enumerated double mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a double enumerated mixer.
+++ * snd_soc_codec_set_sysclk - configure CODEC system or master clock.
+++ * @codec: CODEC
+++ * @clk_id: DAI specific clock ID
+++ * @source: Source for the clock
+++ * @freq: new clock frequency in Hz
+++ * @dir: new clock direction - input/output.
*
--- * Returns 0 for success.
+++ * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
*/
---int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
+++int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
+++ int source, unsigned int freq, int dir)
{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
--- unsigned int val, item;
--- unsigned int reg_val;
--- int ret;
---
--- ret = snd_soc_component_read(component, e->reg, ®_val);
--- if (ret)
--- return ret;
--- val = (reg_val >> e->shift_l) & e->mask;
--- item = snd_soc_enum_val_to_item(e, val);
--- ucontrol->value.enumerated.item[0] = item;
--- if (e->shift_l != e->shift_r) {
--- val = (reg_val >> e->shift_l) & e->mask;
--- item = snd_soc_enum_val_to_item(e, val);
--- ucontrol->value.enumerated.item[1] = item;
--- }
---
--- return 0;
+++ if (codec->driver->set_sysclk)
+++ return codec->driver->set_sysclk(codec, clk_id, source,
+++ freq, dir);
+++ else
+++ return -ENOTSUPP;
}
---EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
+++EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk);
/**
--- * snd_soc_put_enum_double - enumerated double mixer put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a double enumerated mixer.
+++ * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
+++ * @dai: DAI
+++ * @div_id: DAI specific clock divider ID
+++ * @div: new clock divisor.
*
--- * Returns 0 for success.
+++ * Configures the clock dividers. This is used to derive the best DAI bit and
+++ * frame clocks from the system or master clock. It's best to set the DAI bit
+++ * and frame clocks as low as possible to save system power.
*/
---int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
+++int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
+++ int div_id, int div)
{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
--- unsigned int *item = ucontrol->value.enumerated.item;
--- unsigned int val;
--- unsigned int mask;
---
--- if (item[0] >= e->items)
+++ if (dai->driver && dai->driver->ops->set_clkdiv)
+++ return dai->driver->ops->set_clkdiv(dai, div_id, div);
+++ else
return -EINVAL;
--- val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
--- mask = e->mask << e->shift_l;
--- if (e->shift_l != e->shift_r) {
--- if (item[1] >= e->items)
--- return -EINVAL;
--- val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;
--- mask |= e->mask << e->shift_r;
--- }
---
--- return snd_soc_component_update_bits(component, e->reg, mask, val);
}
---EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
+++EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
/**
--- * snd_soc_read_signed - Read a codec register and interprete as signed value
--- * @component: component
--- * @reg: Register to read
--- * @mask: Mask to use after shifting the register value
--- * @shift: Right shift of register value
--- * @sign_bit: Bit that describes if a number is negative or not.
--- * @signed_val: Pointer to where the read value should be stored
--- *
--- * This functions reads a codec register. The register value is shifted right
--- * by 'shift' bits and masked with the given 'mask'. Afterwards it translates
--- * the given registervalue into a signed integer if sign_bit is non-zero.
+++ * snd_soc_dai_set_pll - configure DAI PLL.
+++ * @dai: DAI
+++ * @pll_id: DAI specific PLL ID
+++ * @source: DAI specific source for the PLL
+++ * @freq_in: PLL input clock frequency in Hz
+++ * @freq_out: requested PLL output clock frequency in Hz
*
--- * Returns 0 on sucess, otherwise an error value
+++ * Configures and enables PLL to generate output clock based on input clock.
*/
---static int snd_soc_read_signed(struct snd_soc_component *component,
--- unsigned int reg, unsigned int mask, unsigned int shift,
--- unsigned int sign_bit, int *signed_val)
+++int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
+++ unsigned int freq_in, unsigned int freq_out)
{
--- int ret;
--- unsigned int val;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret < 0)
--- return ret;
---
--- val = (val >> shift) & mask;
---
--- if (!sign_bit) {
--- *signed_val = val;
--- return 0;
--- }
---
--- /* non-negative number */
--- if (!(val & BIT(sign_bit))) {
--- *signed_val = val;
--- return 0;
--- }
---
--- ret = val;
---
--- /*
--- * The register most probably does not contain a full-sized int.
--- * Instead we have an arbitrary number of bits in a signed
--- * representation which has to be translated into a full-sized int.
--- * This is done by filling up all bits above the sign-bit.
--- */
--- ret |= ~((int)(BIT(sign_bit) - 1));
---
--- *signed_val = ret;
---
--- return 0;
---}
---
---/**
--- * snd_soc_info_volsw - single mixer info callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information about a single mixer control, or a double
--- * mixer control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- int platform_max;
---
--- if (!mc->platform_max)
--- mc->platform_max = mc->max;
--- platform_max = mc->platform_max;
---
--- if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
--- else
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
---
--- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
--- uinfo->value.integer.min = 0;
--- uinfo->value.integer.max = platform_max - mc->min;
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
---
---/**
--- * snd_soc_get_volsw - single mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a single mixer control, or a double mixer
--- * control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- int sign_bit = mc->sign_bit;
--- unsigned int mask = (1 << fls(max)) - 1;
--- unsigned int invert = mc->invert;
--- int val;
--- int ret;
---
--- if (sign_bit)
--- mask = BIT(sign_bit + 1) - 1;
---
--- ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[0] = val - min;
--- if (invert)
--- ucontrol->value.integer.value[0] =
--- max - ucontrol->value.integer.value[0];
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- if (reg == reg2)
--- ret = snd_soc_read_signed(component, reg, mask, rshift,
--- sign_bit, &val);
--- else
--- ret = snd_soc_read_signed(component, reg2, mask, shift,
--- sign_bit, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[1] = val - min;
--- if (invert)
--- ucontrol->value.integer.value[1] =
--- max - ucontrol->value.integer.value[1];
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
---
---/**
--- * snd_soc_put_volsw - single mixer put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a single mixer control, or a double mixer
--- * control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- unsigned int sign_bit = mc->sign_bit;
--- unsigned int mask = (1 << fls(max)) - 1;
--- unsigned int invert = mc->invert;
--- int err;
--- bool type_2r = false;
--- unsigned int val2 = 0;
--- unsigned int val, val_mask;
---
--- if (sign_bit)
--- mask = BIT(sign_bit + 1) - 1;
---
--- val = ((ucontrol->value.integer.value[0] + min) & mask);
--- if (invert)
--- val = max - val;
--- val_mask = mask << shift;
--- val = val << shift;
--- if (snd_soc_volsw_is_stereo(mc)) {
--- val2 = ((ucontrol->value.integer.value[1] + min) & mask);
--- if (invert)
--- val2 = max - val2;
--- if (reg == reg2) {
--- val_mask |= mask << rshift;
--- val |= val2 << rshift;
--- } else {
--- val2 = val2 << shift;
--- type_2r = true;
--- }
--- }
--- err = snd_soc_component_update_bits(component, reg, val_mask, val);
--- if (err < 0)
--- return err;
---
--- if (type_2r)
--- err = snd_soc_component_update_bits(component, reg2, val_mask,
--- val2);
---
--- return err;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
---
---/**
--- * snd_soc_get_volsw_sx - single mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a single mixer control, or a double mixer
--- * control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- int mask = (1 << (fls(min + max) - 1)) - 1;
--- unsigned int val;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret < 0)
--- return ret;
---
--- ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- ret = snd_soc_component_read(component, reg2, &val);
--- if (ret < 0)
--- return ret;
---
--- val = ((val >> rshift) - min) & mask;
--- ucontrol->value.integer.value[1] = val;
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
---
---/**
--- * snd_soc_put_volsw_sx - double mixer set callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to set the value of a double mixer control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
---
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- int mask = (1 << (fls(min + max) - 1)) - 1;
--- int err = 0;
--- unsigned int val, val_mask, val2 = 0;
---
--- val_mask = mask << shift;
--- val = (ucontrol->value.integer.value[0] + min) & mask;
--- val = val << shift;
---
--- err = snd_soc_component_update_bits(component, reg, val_mask, val);
--- if (err < 0)
--- return err;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- val_mask = mask << rshift;
--- val2 = (ucontrol->value.integer.value[1] + min) & mask;
--- val2 = val2 << rshift;
---
--- err = snd_soc_component_update_bits(component, reg2, val_mask,
--- val2);
--- }
--- return err;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
---
---/**
--- * snd_soc_info_volsw_s8 - signed mixer info callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information about a signed mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- int platform_max;
--- int min = mc->min;
---
--- if (!mc->platform_max)
--- mc->platform_max = mc->max;
--- platform_max = mc->platform_max;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
--- uinfo->count = 2;
--- uinfo->value.integer.min = 0;
--- uinfo->value.integer.max = platform_max - min;
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
---
---/**
--- * snd_soc_get_volsw_s8 - signed mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a signed mixer control.
--- *
--- * Returns 0 for success.
--- */
---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_component *component = snd_kcontrol_chip(kcontrol);
--- unsigned int reg = mc->reg;
--- unsigned int val;
--- int min = mc->min;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[0] =
--- ((signed char)(val & 0xff))-min;
--- ucontrol->value.integer.value[1] =
--- ((signed char)((val >> 8) & 0xff))-min;
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
---
---/**
--- * snd_soc_put_volsw_sgn - signed mixer put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a signed mixer control.
--- *
--- * Returns 0 for success.
--- */
---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_component *component = snd_kcontrol_chip(kcontrol);
--- unsigned int reg = mc->reg;
--- int min = mc->min;
--- unsigned int val;
---
--- val = (ucontrol->value.integer.value[0]+min) & 0xff;
--- val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8;
---
--- return snd_soc_component_update_bits(component, reg, 0xffff, val);
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
---
---/**
--- * snd_soc_info_volsw_range - single mixer info callback with range.
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information, within a range, about a single
--- * mixer control.
--- *
--- * returns 0 for success.
--- */
---int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- int platform_max;
--- int min = mc->min;
---
--- if (!mc->platform_max)
--- mc->platform_max = mc->max;
--- platform_max = mc->platform_max;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
--- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
--- uinfo->value.integer.min = 0;
--- uinfo->value.integer.max = platform_max - min;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
---
---/**
--- * snd_soc_put_volsw_range - single mixer put value callback with range.
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value, within a range, for a single mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_volsw_range(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_component *component = 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;
---
--- if (invert)
--- val = (max - ucontrol->value.integer.value[0]) & mask;
--- else
--- val = ((ucontrol->value.integer.value[0] + min) & mask);
--- val_mask = mask << shift;
--- val = val << shift;
---
--- ret = snd_soc_component_update_bits(component, reg, val_mask, val);
--- if (ret < 0)
--- return ret;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- if (invert)
--- val = (max - ucontrol->value.integer.value[1]) & mask;
--- else
--- val = ((ucontrol->value.integer.value[1] + min) & mask);
--- val_mask = mask << shift;
--- val = val << shift;
---
--- ret = snd_soc_component_update_bits(component, rreg, val_mask,
--- val);
--- }
---
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
---
---/**
--- * snd_soc_get_volsw_range - single mixer get callback with range
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value, within a range, of a single mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- 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;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[0] = (val >> shift) & mask;
--- if (invert)
--- ucontrol->value.integer.value[0] =
--- max - ucontrol->value.integer.value[0];
--- else
--- ucontrol->value.integer.value[0] =
--- ucontrol->value.integer.value[0] - min;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- ret = snd_soc_component_read(component, rreg, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[1] = (val >> shift) & mask;
--- if (invert)
--- ucontrol->value.integer.value[1] =
--- max - ucontrol->value.integer.value[1];
--- else
--- ucontrol->value.integer.value[1] =
--- ucontrol->value.integer.value[1] - min;
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
---
---/**
--- * snd_soc_limit_volume - Set new limit to an existing volume control.
--- *
--- * @codec: where to look for the control
--- * @name: Name of the control
--- * @max: new maximum limit
--- *
--- * Return 0 for success, else error.
--- */
---int snd_soc_limit_volume(struct snd_soc_codec *codec,
--- const char *name, int max)
---{
--- struct snd_card *card = codec->component.card->snd_card;
--- struct snd_kcontrol *kctl;
--- struct soc_mixer_control *mc;
--- int found = 0;
--- int ret = -EINVAL;
---
--- /* Sanity check for name and max */
--- if (unlikely(!name || max <= 0))
--- return -EINVAL;
---
--- list_for_each_entry(kctl, &card->controls, list) {
--- if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
--- found = 1;
--- break;
--- }
--- }
--- if (found) {
--- mc = (struct soc_mixer_control *)kctl->private_value;
--- if (max <= mc->max) {
--- mc->platform_max = max;
--- ret = 0;
--- }
--- }
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_limit_volume);
---
---int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_bytes *params = (void *)kcontrol->private_value;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
--- uinfo->count = params->num_regs * component->val_bytes;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
---
---int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_bytes *params = (void *)kcontrol->private_value;
--- int ret;
---
--- if (component->regmap)
--- ret = regmap_raw_read(component->regmap, params->base,
--- ucontrol->value.bytes.data,
--- params->num_regs * component->val_bytes);
--- else
--- ret = -EINVAL;
---
--- /* Hide any masked bytes to ensure consistent data reporting */
--- if (ret == 0 && params->mask) {
--- switch (component->val_bytes) {
--- case 1:
--- ucontrol->value.bytes.data[0] &= ~params->mask;
--- break;
--- case 2:
--- ((u16 *)(&ucontrol->value.bytes.data))[0]
--- &= cpu_to_be16(~params->mask);
--- break;
--- case 4:
--- ((u32 *)(&ucontrol->value.bytes.data))[0]
--- &= cpu_to_be32(~params->mask);
--- break;
--- default:
--- return -EINVAL;
--- }
--- }
---
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
---
---int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_bytes *params = (void *)kcontrol->private_value;
--- int ret, len;
--- unsigned int val, mask;
--- void *data;
---
--- if (!component->regmap || !params->num_regs)
--- return -EINVAL;
---
--- len = params->num_regs * component->val_bytes;
---
--- data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
--- if (!data)
--- return -ENOMEM;
---
--- /*
--- * If we've got a mask then we need to preserve the register
--- * bits. We shouldn't modify the incoming data so take a
--- * copy.
--- */
--- if (params->mask) {
--- ret = regmap_read(component->regmap, params->base, &val);
--- if (ret != 0)
--- goto out;
---
--- val &= params->mask;
---
--- switch (component->val_bytes) {
--- case 1:
--- ((u8 *)data)[0] &= ~params->mask;
--- ((u8 *)data)[0] |= val;
--- break;
--- case 2:
--- mask = ~params->mask;
--- ret = regmap_parse_val(component->regmap,
--- &mask, &mask);
--- if (ret != 0)
--- goto out;
---
--- ((u16 *)data)[0] &= mask;
---
--- ret = regmap_parse_val(component->regmap,
--- &val, &val);
--- if (ret != 0)
--- goto out;
---
--- ((u16 *)data)[0] |= val;
--- break;
--- case 4:
--- mask = ~params->mask;
--- ret = regmap_parse_val(component->regmap,
--- &mask, &mask);
--- if (ret != 0)
--- goto out;
---
--- ((u32 *)data)[0] &= mask;
---
--- ret = regmap_parse_val(component->regmap,
--- &val, &val);
--- if (ret != 0)
--- goto out;
---
--- ((u32 *)data)[0] |= val;
--- break;
--- default:
--- ret = -EINVAL;
--- goto out;
--- }
--- }
---
--- ret = regmap_raw_write(component->regmap, params->base,
--- data, len);
---
---out:
--- kfree(data);
---
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
---
---int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *ucontrol)
---{
--- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
---
--- ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
--- ucontrol->count = params->max;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext);
---
---int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
--- unsigned int size, unsigned int __user *tlv)
---{
--- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
--- unsigned int count = size < params->max ? size : params->max;
--- int ret = -ENXIO;
---
--- switch (op_flag) {
--- case SNDRV_CTL_TLV_OP_READ:
--- if (params->get)
--- ret = params->get(tlv, count);
--- break;
--- case SNDRV_CTL_TLV_OP_WRITE:
--- if (params->put)
--- ret = params->put(tlv, count);
--- break;
--- }
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback);
---
---/**
--- * snd_soc_info_xr_sx - signed multi register info callback
--- * @kcontrol: mreg control
--- * @uinfo: control element information
--- *
--- * Callback to provide information of a control that can
--- * span multiple codec registers which together
--- * forms a single signed value in a MSB/LSB manner.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mreg_control *mc =
--- (struct soc_mreg_control *)kcontrol->private_value;
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
--- uinfo->count = 1;
--- uinfo->value.integer.min = mc->min;
--- uinfo->value.integer.max = mc->max;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx);
---
---/**
--- * snd_soc_get_xr_sx - signed multi register get callback
--- * @kcontrol: mreg control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a control that can span
--- * multiple codec registers which together forms a single
--- * signed value in a MSB/LSB manner. The control supports
--- * specifying total no of bits used to allow for bitfields
--- * across the multiple codec registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mreg_control *mc =
--- (struct soc_mreg_control *)kcontrol->private_value;
--- unsigned int regbase = mc->regbase;
--- unsigned int regcount = mc->regcount;
--- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
--- unsigned int regwmask = (1<<regwshift)-1;
--- unsigned int invert = mc->invert;
--- unsigned long mask = (1UL<<mc->nbits)-1;
--- long min = mc->min;
--- long max = mc->max;
--- long val = 0;
--- unsigned int regval;
--- unsigned int i;
--- int ret;
---
--- for (i = 0; i < regcount; i++) {
--- ret = snd_soc_component_read(component, regbase+i, ®val);
--- if (ret)
--- return ret;
--- val |= (regval & regwmask) << (regwshift*(regcount-i-1));
--- }
--- val &= mask;
--- if (min < 0 && val > max)
--- val |= ~mask;
--- if (invert)
--- val = max - val;
--- ucontrol->value.integer.value[0] = val;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx);
---
---/**
--- * snd_soc_put_xr_sx - signed multi register get callback
--- * @kcontrol: mreg control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a control that can span
--- * multiple codec registers which together forms a single
--- * signed value in a MSB/LSB manner. The control supports
--- * specifying total no of bits used to allow for bitfields
--- * across the multiple codec registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mreg_control *mc =
--- (struct soc_mreg_control *)kcontrol->private_value;
--- unsigned int regbase = mc->regbase;
--- unsigned int regcount = mc->regcount;
--- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
--- unsigned int regwmask = (1<<regwshift)-1;
--- unsigned int invert = mc->invert;
--- unsigned long mask = (1UL<<mc->nbits)-1;
--- long max = mc->max;
--- long val = ucontrol->value.integer.value[0];
--- unsigned int i, regval, regmask;
--- int err;
---
--- if (invert)
--- val = max - val;
--- val &= mask;
--- for (i = 0; i < regcount; i++) {
--- regval = (val >> (regwshift*(regcount-i-1))) & regwmask;
--- regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask;
--- err = snd_soc_component_update_bits(component, regbase+i,
--- regmask, regval);
--- if (err < 0)
--- return err;
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);
---
---/**
--- * snd_soc_get_strobe - strobe get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback get the value of a strobe mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int shift = mc->shift;
--- unsigned int mask = 1 << shift;
--- unsigned int invert = mc->invert != 0;
--- unsigned int val;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret)
--- return ret;
---
--- val &= mask;
---
--- if (shift != 0 && val != 0)
--- val = val >> shift;
--- ucontrol->value.enumerated.item[0] = val ^ invert;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_strobe);
---
---/**
--- * snd_soc_put_strobe - strobe put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback strobe a register bit to high then low (or the inverse)
--- * in one pass of a single mixer enum control.
--- *
--- * Returns 1 for success.
--- */
---int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int shift = mc->shift;
--- unsigned int mask = 1 << shift;
--- unsigned int invert = mc->invert != 0;
--- unsigned int strobe = ucontrol->value.enumerated.item[0] != 0;
--- unsigned int val1 = (strobe ^ invert) ? mask : 0;
--- unsigned int val2 = (strobe ^ invert) ? 0 : mask;
--- int err;
---
--- err = snd_soc_component_update_bits(component, reg, mask, val1);
--- if (err < 0)
--- return err;
---
--- return snd_soc_component_update_bits(component, reg, mask, val2);
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_strobe);
---
---/**
--- * snd_soc_dai_set_sysclk - configure DAI system or master clock.
--- * @dai: DAI
--- * @clk_id: DAI specific clock ID
--- * @freq: new clock frequency in Hz
--- * @dir: new clock direction - input/output.
--- *
--- * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
--- */
---int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
--- unsigned int freq, int dir)
---{
--- if (dai->driver && dai->driver->ops->set_sysclk)
--- return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
--- else if (dai->codec && dai->codec->driver->set_sysclk)
--- return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
--- freq, dir);
--- else
--- return -ENOTSUPP;
---}
---EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
---
---/**
--- * snd_soc_codec_set_sysclk - configure CODEC system or master clock.
--- * @codec: CODEC
--- * @clk_id: DAI specific clock ID
--- * @source: Source for the clock
--- * @freq: new clock frequency in Hz
--- * @dir: new clock direction - input/output.
--- *
--- * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
--- */
---int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
--- int source, unsigned int freq, int dir)
---{
--- if (codec->driver->set_sysclk)
--- return codec->driver->set_sysclk(codec, clk_id, source,
--- freq, dir);
--- else
--- return -ENOTSUPP;
---}
---EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk);
---
---/**
--- * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
--- * @dai: DAI
--- * @div_id: DAI specific clock divider ID
--- * @div: new clock divisor.
--- *
--- * Configures the clock dividers. This is used to derive the best DAI bit and
--- * frame clocks from the system or master clock. It's best to set the DAI bit
--- * and frame clocks as low as possible to save system power.
--- */
---int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
--- int div_id, int div)
---{
--- if (dai->driver && dai->driver->ops->set_clkdiv)
--- return dai->driver->ops->set_clkdiv(dai, div_id, div);
--- else
--- return -EINVAL;
---}
---EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
---
---/**
--- * snd_soc_dai_set_pll - configure DAI PLL.
--- * @dai: DAI
--- * @pll_id: DAI specific PLL ID
--- * @source: DAI specific source for the PLL
--- * @freq_in: PLL input clock frequency in Hz
--- * @freq_out: requested PLL output clock frequency in Hz
--- *
--- * Configures and enables PLL to generate output clock based on input clock.
--- */
---int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
--- unsigned int freq_in, unsigned int freq_out)
---{
--- if (dai->driver && dai->driver->ops->set_pll)
--- return dai->driver->ops->set_pll(dai, pll_id, source,
--- freq_in, freq_out);
--- else if (dai->codec && dai->codec->driver->set_pll)
--- return dai->codec->driver->set_pll(dai->codec, pll_id, source,
--- freq_in, freq_out);
--- else
--- return -EINVAL;
---}
---EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
+++ if (dai->driver && dai->driver->ops->set_pll)
+++ return dai->driver->ops->set_pll(dai, pll_id, source,
+++ freq_in, freq_out);
+++ else if (dai->codec && dai->codec->driver->set_pll)
+++ return dai->codec->driver->set_pll(dai->codec, pll_id, source,
+++ freq_in, freq_out);
+++ else
+++ return -EINVAL;
+++}
+++EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
/*
* snd_soc_codec_set_pll - configure codec PLL.
projects / karo-tx-linux.git / commitdiff