diff options
| author | Tzung-Bi Shih <tzungbi@google.com> | 2020-01-17 15:38:13 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-01-21 17:14:53 +0000 |
| commit | 839284e794822ebc8b66f32006a5d4cad863e1fb (patch) | |
| tree | 05d488bb5a08fdeab77fde03ef288dcb2355ecb7 /sound/soc/soc-dapm.c | |
| parent | 08df0d9a00f7ca07511614dd3b137fadd2de56fc (diff) | |
ASoC: dapm: add snd_soc_dapm_put_enum_double_locked
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>
Diffstat (limited to 'sound/soc/soc-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 442846f12cd4..bc20ad9abf8b 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -3441,17 +3441,8 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, } EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double); -/** - * 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) +static int __snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol, int locked) { struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); 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; } - 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); @@ -3496,16 +3489,51 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, card->update = NULL; } - mutex_unlock(&card->dapm_mutex); + if (!locked) + mutex_unlock(&card->dapm_mutex); if (ret > 0) soc_dpcm_runtime_update(card); 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); /** + * 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 * * @kcontrol: mixer control |