Unverified Commit d0ff8ba5 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: add Component level .read/.write 



In current ALSA SoC, Codec only has .read/.write callback.
Codec will be merged into Component in next generation ALSA SoC,
thus current Codec specific feature need to be merged into it.
This is glue patch for it.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b9f902b7

include/sound/soc.h

+3 −0
Original line number Diff line number Diff line
@@ -802,6 +802,9 @@ struct snd_soc_component_driver { 
	int (*suspend)(struct snd_soc_component *);

	int (*resume)(struct snd_soc_component *);



	unsigned int (*read)(struct snd_soc_component *, unsigned int);

	int (*write)(struct snd_soc_component *, unsigned int, unsigned int);



	/* pcm creation and destruction */

	int (*pcm_new)(struct snd_soc_pcm_runtime *);

	void (*pcm_free)(struct snd_pcm *);

sound/soc/soc-io.c

+6 −0
Original line number Diff line number Diff line
@@ -34,6 +34,10 @@ int snd_soc_component_read(struct snd_soc_component *component, 
		ret = regmap_read(component->regmap, reg, val);

	else if (component->read)

		ret = component->read(component, reg, val);

	else if (component->driver->read) {

		*val = component->driver->read(component, reg);

		ret = 0;

	}

	else

		ret = -EIO;
@@ -70,6 +74,8 @@ int snd_soc_component_write(struct snd_soc_component *component, 
		return regmap_write(component->regmap, reg, val);

	else if (component->write)

		return component->write(component, reg, val);

	else if (component->driver->write)

		return component->driver->write(component, reg, val);

	else

		return -EIO;

}

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