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Commit 96241c83 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Mark Brown
Browse files

ASoC: Move IO functions to soc-io.c 



soc-core.c is getting quite crowded. Move all IO related functions that are
still in soc-core.c to soc-io.c

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 6137a5ca

sound/soc/soc-core.c

+0 −144
Original line number Diff line number Diff line
@@ -2033,38 +2033,6 @@ int snd_soc_codec_writable_register(struct snd_soc_codec *codec, 
}

EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);



int snd_soc_platform_read(struct snd_soc_platform *platform,

					unsigned int reg)

{

	unsigned int ret;



	if (!platform->driver->read) {

		dev_err(platform->dev, "ASoC: platform has no read back\n");

		return -1;

	}



	ret = platform->driver->read(platform, reg);

	dev_dbg(platform->dev, "read %x => %x\n", reg, ret);

	trace_snd_soc_preg_read(platform, reg, ret);



	return ret;

}

EXPORT_SYMBOL_GPL(snd_soc_platform_read);



int snd_soc_platform_write(struct snd_soc_platform *platform,

					 unsigned int reg, unsigned int val)

{

	if (!platform->driver->write) {

		dev_err(platform->dev, "ASoC: platform has no write back\n");

		return -1;

	}



	dev_dbg(platform->dev, "write %x = %x\n", reg, val);

	trace_snd_soc_preg_write(platform, reg, val);

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

}

EXPORT_SYMBOL_GPL(snd_soc_platform_write);



/**

 * snd_soc_new_ac97_codec - initailise AC97 device

 * @codec: audio codec
@@ -2283,118 +2251,6 @@ void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) 
}

EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);



unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg)

{

	unsigned int ret;



	ret = codec->read(codec, reg);

	dev_dbg(codec->dev, "read %x => %x\n", reg, ret);

	trace_snd_soc_reg_read(codec, reg, ret);



	return ret;

}

EXPORT_SYMBOL_GPL(snd_soc_read);



unsigned int snd_soc_write(struct snd_soc_codec *codec,

			   unsigned int reg, unsigned int val)

{

	dev_dbg(codec->dev, "write %x = %x\n", reg, val);

	trace_snd_soc_reg_write(codec, reg, val);

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

}

EXPORT_SYMBOL_GPL(snd_soc_write);



/**

 * snd_soc_update_bits - update codec register bits

 * @codec: audio codec

 * @reg: codec register

 * @mask: register mask

 * @value: new value

 *

 * Writes new register value.

 *

 * Returns 1 for change, 0 for no change, or negative error code.

 */

int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,

				unsigned int mask, unsigned int value)

{

	bool change;

	unsigned int old, new;

	int ret;



	if (codec->using_regmap) {

		ret = regmap_update_bits_check(codec->control_data, reg,

					       mask, value, &change);

	} else {

		ret = snd_soc_read(codec, reg);

		if (ret < 0)

			return ret;



		old = ret;

		new = (old & ~mask) | (value & mask);

		change = old != new;

		if (change)

			ret = snd_soc_write(codec, reg, new);

	}



	if (ret < 0)

		return ret;



	return change;

}

EXPORT_SYMBOL_GPL(snd_soc_update_bits);



/**

 * snd_soc_update_bits_locked - update codec register bits

 * @codec: audio codec

 * @reg: codec register

 * @mask: register mask

 * @value: new value

 *

 * Writes new register value, and takes the codec mutex.

 *

 * Returns 1 for change else 0.

 */

int snd_soc_update_bits_locked(struct snd_soc_codec *codec,

			       unsigned short reg, unsigned int mask,

			       unsigned int value)

{

	int change;



	mutex_lock(&codec->mutex);

	change = snd_soc_update_bits(codec, reg, mask, value);

	mutex_unlock(&codec->mutex);



	return change;

}

EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked);



/**

 * snd_soc_test_bits - test register for change

 * @codec: audio codec

 * @reg: codec register

 * @mask: register mask

 * @value: new value

 *

 * Tests a register with a new value and checks if the new value is

 * different from the old value.

 *

 * Returns 1 for change else 0.

 */

int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,

				unsigned int mask, unsigned int value)

{

	int change;

	unsigned int old, new;



	old = snd_soc_read(codec, reg);

	new = (old & ~mask) | value;

	change = old != new;



	return change;

}

EXPORT_SYMBOL_GPL(snd_soc_test_bits);



/**

 * snd_soc_cnew - create new control

 * @_template: control template

sound/soc/soc-io.c

+144 −0
Original line number Diff line number Diff line
@@ -19,6 +19,150 @@ 


#include <trace/events/asoc.h>



unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg)

{

	unsigned int ret;



	ret = codec->read(codec, reg);

	dev_dbg(codec->dev, "read %x => %x\n", reg, ret);

	trace_snd_soc_reg_read(codec, reg, ret);



	return ret;

}

EXPORT_SYMBOL_GPL(snd_soc_read);



unsigned int snd_soc_write(struct snd_soc_codec *codec,

			   unsigned int reg, unsigned int val)

{

	dev_dbg(codec->dev, "write %x = %x\n", reg, val);

	trace_snd_soc_reg_write(codec, reg, val);

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

}

EXPORT_SYMBOL_GPL(snd_soc_write);



/**

 * snd_soc_update_bits - update codec register bits

 * @codec: audio codec

 * @reg: codec register

 * @mask: register mask

 * @value: new value

 *

 * Writes new register value.

 *

 * Returns 1 for change, 0 for no change, or negative error code.

 */

int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,

				unsigned int mask, unsigned int value)

{

	bool change;

	unsigned int old, new;

	int ret;



	if (codec->using_regmap) {

		ret = regmap_update_bits_check(codec->control_data, reg,

					       mask, value, &change);

	} else {

		ret = snd_soc_read(codec, reg);

		if (ret < 0)

			return ret;



		old = ret;

		new = (old & ~mask) | (value & mask);

		change = old != new;

		if (change)

			ret = snd_soc_write(codec, reg, new);

	}



	if (ret < 0)

		return ret;



	return change;

}

EXPORT_SYMBOL_GPL(snd_soc_update_bits);



/**

 * snd_soc_update_bits_locked - update codec register bits

 * @codec: audio codec

 * @reg: codec register

 * @mask: register mask

 * @value: new value

 *

 * Writes new register value, and takes the codec mutex.

 *

 * Returns 1 for change else 0.

 */

int snd_soc_update_bits_locked(struct snd_soc_codec *codec,

			       unsigned short reg, unsigned int mask,

			       unsigned int value)

{

	int change;



	mutex_lock(&codec->mutex);

	change = snd_soc_update_bits(codec, reg, mask, value);

	mutex_unlock(&codec->mutex);



	return change;

}

EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked);



/**

 * snd_soc_test_bits - test register for change

 * @codec: audio codec

 * @reg: codec register

 * @mask: register mask

 * @value: new value

 *

 * Tests a register with a new value and checks if the new value is

 * different from the old value.

 *

 * Returns 1 for change else 0.

 */

int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,

				unsigned int mask, unsigned int value)

{

	int change;

	unsigned int old, new;



	old = snd_soc_read(codec, reg);

	new = (old & ~mask) | value;

	change = old != new;



	return change;

}

EXPORT_SYMBOL_GPL(snd_soc_test_bits);



int snd_soc_platform_read(struct snd_soc_platform *platform,

					unsigned int reg)

{

	unsigned int ret;



	if (!platform->driver->read) {

		dev_err(platform->dev, "ASoC: platform has no read back\n");

		return -1;

	}



	ret = platform->driver->read(platform, reg);

	dev_dbg(platform->dev, "read %x => %x\n", reg, ret);

	trace_snd_soc_preg_read(platform, reg, ret);



	return ret;

}

EXPORT_SYMBOL_GPL(snd_soc_platform_read);



int snd_soc_platform_write(struct snd_soc_platform *platform,

					 unsigned int reg, unsigned int val)

{

	if (!platform->driver->write) {

		dev_err(platform->dev, "ASoC: platform has no write back\n");

		return -1;

	}



	dev_dbg(platform->dev, "write %x = %x\n", reg, val);

	trace_snd_soc_preg_write(platform, reg, val);

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

}

EXPORT_SYMBOL_GPL(snd_soc_platform_write);



#ifdef CONFIG_REGMAP

static int hw_write(struct snd_soc_codec *codec, unsigned int reg,

		    unsigned int value)