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Commit b8cbc195 authored by Dimitris Papastamos's avatar Dimitris Papastamos Committed by Mark Brown
Browse files

ASoC: soc-cache: Factor-out the hw_read() specific code 



The handling of all snd_soc_x_y_read() functions is similar.
Factor it out into a separate function and update all callers.

Signed-off-by: default avatarDimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 26e9984c

sound/soc/soc-cache.c

+18 −96
Original line number Diff line number Diff line
@@ -47,8 +47,7 @@ static int do_hw_write(struct snd_soc_codec *codec, unsigned int reg, 
		return -EIO;

}



static unsigned int snd_soc_4_12_read(struct snd_soc_codec *codec,

				     unsigned int reg)

static unsigned int do_hw_read(struct snd_soc_codec *codec, unsigned int reg)

{

	int ret;

	unsigned int val;
@@ -69,6 +68,12 @@ static unsigned int snd_soc_4_12_read(struct snd_soc_codec *codec, 
	return val;

}



static unsigned int snd_soc_4_12_read(struct snd_soc_codec *codec,

				     unsigned int reg)

{

	return do_hw_read(codec, reg);

}



static int snd_soc_4_12_write(struct snd_soc_codec *codec, unsigned int reg,

			     unsigned int value)

{
@@ -113,23 +118,7 @@ static int snd_soc_4_12_spi_write(void *control_data, const char *data, 
static unsigned int snd_soc_7_9_read(struct snd_soc_codec *codec,

				     unsigned int reg)

{

	int ret;

	unsigned int val;



	if (reg >= codec->driver->reg_cache_size ||

		snd_soc_codec_volatile_register(codec, reg) ||

		codec->cache_bypass) {

			if (codec->cache_only)

				return -1;



			BUG_ON(!codec->hw_read);

			return codec->hw_read(codec, reg);

	}



	ret = snd_soc_cache_read(codec, reg, &val);

	if (ret < 0)

		return -1;

	return val;

	return do_hw_read(codec, reg);

}



static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg,
@@ -188,24 +177,7 @@ static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg, 
static unsigned int snd_soc_8_8_read(struct snd_soc_codec *codec,

				     unsigned int reg)

{

	int ret;

	unsigned int val;



	reg &= 0xff;

	if (reg >= codec->driver->reg_cache_size ||

		snd_soc_codec_volatile_register(codec, reg) ||

		codec->cache_bypass) {

			if (codec->cache_only)

				return -1;



			BUG_ON(!codec->hw_read);

			return codec->hw_read(codec, reg);

	}



	ret = snd_soc_cache_read(codec, reg, &val);

	if (ret < 0)

		return -1;

	return val;

	return do_hw_read(codec, reg);

}



#if defined(CONFIG_SPI_MASTER)
@@ -253,23 +225,7 @@ static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg, 
static unsigned int snd_soc_8_16_read(struct snd_soc_codec *codec,

				      unsigned int reg)

{

	int ret;

	unsigned int val;



	if (reg >= codec->driver->reg_cache_size ||

	    snd_soc_codec_volatile_register(codec, reg) ||

	    codec->cache_bypass) {

		if (codec->cache_only)

			return -1;



		BUG_ON(!codec->hw_read);

		return codec->hw_read(codec, reg);

	}



	ret = snd_soc_cache_read(codec, reg, &val);

	if (ret < 0)

		return -1;

	return val;

	return do_hw_read(codec, reg);

}



#if defined(CONFIG_SPI_MASTER)
@@ -389,24 +345,7 @@ static unsigned int snd_soc_16_8_read_i2c(struct snd_soc_codec *codec, 
static unsigned int snd_soc_16_8_read(struct snd_soc_codec *codec,

				     unsigned int reg)

{

	int ret;

	unsigned int val;



	reg &= 0xff;

	if (reg >= codec->driver->reg_cache_size ||

		snd_soc_codec_volatile_register(codec, reg) ||

		codec->cache_bypass) {

			if (codec->cache_only)

				return -1;



			BUG_ON(!codec->hw_read);

			return codec->hw_read(codec, reg);

	}



	ret = snd_soc_cache_read(codec, reg, &val);

	if (ret < 0)

		return -1;

	return val;

	return do_hw_read(codec, reg);

}



static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
@@ -473,24 +412,7 @@ static unsigned int snd_soc_16_16_read_i2c(struct snd_soc_codec *codec, 
static unsigned int snd_soc_16_16_read(struct snd_soc_codec *codec,

				       unsigned int reg)

{

	int ret;

	unsigned int val;



	if (reg >= codec->driver->reg_cache_size ||

	    snd_soc_codec_volatile_register(codec, reg) ||

	    codec->cache_bypass) {

		if (codec->cache_only)

			return -1;



		BUG_ON(!codec->hw_read);

		return codec->hw_read(codec, reg);

	}



	ret = snd_soc_cache_read(codec, reg, &val);

	if (ret < 0)

		return -1;



	return val;

	return do_hw_read(codec, reg);

}



static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,