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ASoC: dapm: add snd_soc_dapm_put_enum_double_locked

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Adds snd_soc_dapm_put_enum_double_locked() for those use cases if
dapm_mutex has already locked.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200117073814.82441-3-tzungbi@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tzung-Bi Shih 2020-01-17 15:38:13 +08:00 committed by Mark Brown
parent 08df0d9a00
commit 839284e794
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 43 additions and 13 deletions
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2
include/sound/soc-dapm.h
View File

@ -392,6 +392,8 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol); struct snd_ctl_elem_value *ucontrol);
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol); struct snd_ctl_elem_value *ucontrol);
int snd_soc_dapm_put_enum_double_locked(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo); struct snd_ctl_elem_info *uinfo);
int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,

54
sound/soc/soc-dapm.c
View File

@ -3441,17 +3441,8 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
} }
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double); EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
/** static int __snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
* snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback struct snd_ctl_elem_value *ucontrol, int locked)
* @kcontrol: mixer control
* @ucontrol: control element information
*
* Callback to set the value of a dapm enumerated double mixer control.
*
* Returns 0 for success.
*/
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{ {
struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
struct snd_soc_card *card = dapm->card; struct snd_soc_card *card = dapm->card;
@ -3474,7 +3465,9 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
mask |= e->mask << e->shift_r; mask |= e->mask << e->shift_r;
} }
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); if (!locked)
mutex_lock_nested(&card->dapm_mutex,
SND_SOC_DAPM_CLASS_RUNTIME);
change = dapm_kcontrol_set_value(kcontrol, val); change = dapm_kcontrol_set_value(kcontrol, val);
@ -3496,15 +3489,50 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
card->update = NULL; card->update = NULL;
} }
mutex_unlock(&card->dapm_mutex); if (!locked)
mutex_unlock(&card->dapm_mutex);
if (ret > 0) if (ret > 0)
soc_dpcm_runtime_update(card); soc_dpcm_runtime_update(card);
return change; return change;
} }
/**
* snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
* @kcontrol: mixer control
* @ucontrol: control element information
*
* Callback to set the value of a dapm enumerated double mixer control.
*
* Returns 0 for success.
*/
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
return __snd_soc_dapm_put_enum_double(kcontrol, ucontrol, 0);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double); EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
/**
* snd_soc_dapm_put_enum_double_locked - dapm enumerated double mixer set
* callback
* @kcontrol: mixer control
* @ucontrol: control element information
*
* Callback to set the value of a dapm enumerated double mixer control.
* Must acquire dapm_mutex before calling the function.
*
* Returns 0 for success.
*/
int snd_soc_dapm_put_enum_double_locked(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
dapm_assert_locked(snd_soc_dapm_kcontrol_dapm(kcontrol));
return __snd_soc_dapm_put_enum_double(kcontrol, ucontrol, 1);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double_locked);
/** /**
* snd_soc_dapm_info_pin_switch - Info for a pin switch * snd_soc_dapm_info_pin_switch - Info for a pin switch
* *