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Commit e975cec2 authored by Mark Brown's avatar Mark Brown
Browse files

Merge branch 'topic/regmap' of...

Merge branch 'topic/regmap' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-ac97
parents c534107f 20feb881
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+35 −0
Original line number Diff line number Diff line
@@ -1286,6 +1286,41 @@ void snd_soc_component_async_complete(struct snd_soc_component *component);
int snd_soc_component_test_bits(struct snd_soc_component *component,
	unsigned int reg, unsigned int mask, unsigned int value);

void snd_soc_component_init_regmap(struct snd_soc_component *component,
	struct regmap *regmap);
void snd_soc_component_exit_regmap(struct snd_soc_component *component);

/**
 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
 * @codec: The CODEC for which to initialize the regmap instance
 * @regmap: The regmap instance that should be used by the CODEC
 *
 * This function allows deferred assignment of the regmap instance that is
 * associated with the CODEC. Only use this if the regmap instance is not yet
 * ready when the CODEC is registered. The function must also be called before
 * the first IO attempt of the CODEC.
 */
static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
	struct regmap *regmap)
{
	snd_soc_component_init_regmap(&codec->component, regmap);
}

/**
 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
 * @codec: The CODEC for which to de-initialize the regmap instance
 *
 * Calls regmap_exit() on the regmap instance associated to the CODEC and
 * removes the regmap instance from the CODEC.
 *
 * This function should only be used if snd_soc_codec_init_regmap() was used to
 * initialize the regmap instance.
 */
static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
{
	snd_soc_component_exit_regmap(&codec->component);
}

/* device driver data */

static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
+47 −11
Original line number Diff line number Diff line
@@ -3652,22 +3652,58 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
	return 0;
}

static void snd_soc_component_init_regmap(struct snd_soc_component *component)
static void snd_soc_component_setup_regmap(struct snd_soc_component *component)
{
	if (!component->regmap)
		component->regmap = dev_get_regmap(component->dev, NULL);
	if (component->regmap) {
	int val_bytes = regmap_get_val_bytes(component->regmap);

	/* Errors are legitimate for non-integer byte multiples */
	if (val_bytes > 0)
		component->val_bytes = val_bytes;
}

/**
 * snd_soc_component_init_regmap() - Initialize regmap instance for the component
 * @component: The component for which to initialize the regmap instance
 * @regmap: The regmap instance that should be used by the component
 *
 * This function allows deferred assignment of the regmap instance that is
 * associated with the component. Only use this if the regmap instance is not
 * yet ready when the component is registered. The function must also be called
 * before the first IO attempt of the component.
 */
void snd_soc_component_init_regmap(struct snd_soc_component *component,
	struct regmap *regmap)
{
	component->regmap = regmap;
	snd_soc_component_setup_regmap(component);
}
EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);

/**
 * snd_soc_component_exit_regmap() - De-initialize regmap instance for the component
 * @component: The component for which to de-initialize the regmap instance
 *
 * Calls regmap_exit() on the regmap instance associated to the component and
 * removes the regmap instance from the component.
 *
 * This function should only be used if snd_soc_component_init_regmap() was used
 * to initialize the regmap instance.
 */
void snd_soc_component_exit_regmap(struct snd_soc_component *component)
{
	regmap_exit(component->regmap);
	component->regmap = NULL;
}
EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);

static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
{
	if (!component->write && !component->read)
		snd_soc_component_init_regmap(component);
	if (!component->write && !component->read) {
		if (!component->regmap)
			component->regmap = dev_get_regmap(component->dev, NULL);
		if (component->regmap)
			snd_soc_component_setup_regmap(component);
	}

	list_add(&component->list, &component_list);
}