Unverified Commit 839284e7 authored by Tzung-Bi Shih's avatar Tzung-Bi Shih Committed by Mark Brown
Browse files

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: default avatarTzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200117073814.82441-3-tzungbi@google.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 08df0d9a

include/sound/soc-dapm.h

+2 −0
Original line number Diff line number Diff line
@@ -392,6 +392,8 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, 
	struct snd_ctl_elem_value *ucontrol);

int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,

	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,

	struct snd_ctl_elem_info *uinfo);

int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,

sound/soc/soc-dapm.c

+41 −13
Original line number Diff line number Diff line
@@ -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);
@@ -3496,6 +3489,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 
		card->update = NULL;

	}



	if (!locked)

		mutex_unlock(&card->dapm_mutex);



	if (ret > 0)
@@ -3503,8 +3497,42 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, 


	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

 *

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