forked from luck/tmp_suning_uos_patched
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: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Lars-Peter Clausen
Mark Brown
parent
6137a5ca32
commit
96241c8329
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@ -2033,38 +2033,6 @@ int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
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}
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EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);
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int snd_soc_platform_read(struct snd_soc_platform *platform,
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unsigned int reg)
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{
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unsigned int ret;
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if (!platform->driver->read) {
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dev_err(platform->dev, "ASoC: platform has no read back\n");
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return -1;
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}
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ret = platform->driver->read(platform, reg);
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dev_dbg(platform->dev, "read %x => %x\n", reg, ret);
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trace_snd_soc_preg_read(platform, reg, ret);
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return ret;
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}
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EXPORT_SYMBOL_GPL(snd_soc_platform_read);
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int snd_soc_platform_write(struct snd_soc_platform *platform,
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unsigned int reg, unsigned int val)
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{
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if (!platform->driver->write) {
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dev_err(platform->dev, "ASoC: platform has no write back\n");
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return -1;
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}
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dev_dbg(platform->dev, "write %x = %x\n", reg, val);
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trace_snd_soc_preg_write(platform, reg, val);
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return platform->driver->write(platform, reg, val);
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}
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EXPORT_SYMBOL_GPL(snd_soc_platform_write);
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/**
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* snd_soc_new_ac97_codec - initailise AC97 device
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* @codec: audio codec
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@ -2283,118 +2251,6 @@ void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
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}
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EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
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unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg)
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{
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unsigned int ret;
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ret = codec->read(codec, reg);
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dev_dbg(codec->dev, "read %x => %x\n", reg, ret);
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trace_snd_soc_reg_read(codec, reg, ret);
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return ret;
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}
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EXPORT_SYMBOL_GPL(snd_soc_read);
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unsigned int snd_soc_write(struct snd_soc_codec *codec,
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unsigned int reg, unsigned int val)
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{
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dev_dbg(codec->dev, "write %x = %x\n", reg, val);
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trace_snd_soc_reg_write(codec, reg, val);
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return codec->write(codec, reg, val);
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}
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EXPORT_SYMBOL_GPL(snd_soc_write);
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/**
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* snd_soc_update_bits - update codec register bits
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* @codec: audio codec
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* @reg: codec register
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* @mask: register mask
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* @value: new value
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*
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* Writes new register value.
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*
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* Returns 1 for change, 0 for no change, or negative error code.
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*/
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int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
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unsigned int mask, unsigned int value)
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{
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bool change;
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unsigned int old, new;
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int ret;
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if (codec->using_regmap) {
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ret = regmap_update_bits_check(codec->control_data, reg,
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mask, value, &change);
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} else {
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ret = snd_soc_read(codec, reg);
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if (ret < 0)
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return ret;
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old = ret;
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new = (old & ~mask) | (value & mask);
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change = old != new;
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if (change)
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ret = snd_soc_write(codec, reg, new);
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}
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if (ret < 0)
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return ret;
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return change;
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}
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EXPORT_SYMBOL_GPL(snd_soc_update_bits);
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/**
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* snd_soc_update_bits_locked - update codec register bits
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* @codec: audio codec
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* @reg: codec register
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* @mask: register mask
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* @value: new value
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*
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* Writes new register value, and takes the codec mutex.
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*
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* Returns 1 for change else 0.
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*/
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int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
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unsigned short reg, unsigned int mask,
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unsigned int value)
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{
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int change;
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mutex_lock(&codec->mutex);
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change = snd_soc_update_bits(codec, reg, mask, value);
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mutex_unlock(&codec->mutex);
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return change;
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}
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EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked);
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/**
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* snd_soc_test_bits - test register for change
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* @codec: audio codec
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* @reg: codec register
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* @mask: register mask
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* @value: new value
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*
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* Tests a register with a new value and checks if the new value is
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* different from the old value.
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*
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* Returns 1 for change else 0.
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*/
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int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
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unsigned int mask, unsigned int value)
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{
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int change;
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unsigned int old, new;
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old = snd_soc_read(codec, reg);
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new = (old & ~mask) | value;
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change = old != new;
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return change;
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}
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EXPORT_SYMBOL_GPL(snd_soc_test_bits);
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/**
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* snd_soc_cnew - create new control
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* @_template: control template
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@ -19,6 +19,150 @@
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#include <trace/events/asoc.h>
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unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg)
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{
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unsigned int ret;
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ret = codec->read(codec, reg);
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dev_dbg(codec->dev, "read %x => %x\n", reg, ret);
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trace_snd_soc_reg_read(codec, reg, ret);
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return ret;
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}
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EXPORT_SYMBOL_GPL(snd_soc_read);
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unsigned int snd_soc_write(struct snd_soc_codec *codec,
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unsigned int reg, unsigned int val)
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{
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dev_dbg(codec->dev, "write %x = %x\n", reg, val);
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trace_snd_soc_reg_write(codec, reg, val);
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return codec->write(codec, reg, val);
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}
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EXPORT_SYMBOL_GPL(snd_soc_write);
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/**
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* snd_soc_update_bits - update codec register bits
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* @codec: audio codec
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* @reg: codec register
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* @mask: register mask
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* @value: new value
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*
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* Writes new register value.
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*
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* Returns 1 for change, 0 for no change, or negative error code.
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*/
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int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
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unsigned int mask, unsigned int value)
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{
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bool change;
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unsigned int old, new;
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int ret;
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if (codec->using_regmap) {
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ret = regmap_update_bits_check(codec->control_data, reg,
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mask, value, &change);
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} else {
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ret = snd_soc_read(codec, reg);
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if (ret < 0)
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return ret;
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old = ret;
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new = (old & ~mask) | (value & mask);
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change = old != new;
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if (change)
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ret = snd_soc_write(codec, reg, new);
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}
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if (ret < 0)
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return ret;
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return change;
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}
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EXPORT_SYMBOL_GPL(snd_soc_update_bits);
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/**
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* snd_soc_update_bits_locked - update codec register bits
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* @codec: audio codec
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* @reg: codec register
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* @mask: register mask
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* @value: new value
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*
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* Writes new register value, and takes the codec mutex.
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*
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* Returns 1 for change else 0.
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*/
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int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
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unsigned short reg, unsigned int mask,
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unsigned int value)
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{
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int change;
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mutex_lock(&codec->mutex);
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change = snd_soc_update_bits(codec, reg, mask, value);
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mutex_unlock(&codec->mutex);
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return change;
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}
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EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked);
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/**
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* snd_soc_test_bits - test register for change
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* @codec: audio codec
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* @reg: codec register
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* @mask: register mask
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* @value: new value
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*
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* Tests a register with a new value and checks if the new value is
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* different from the old value.
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*
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* Returns 1 for change else 0.
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*/
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int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
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unsigned int mask, unsigned int value)
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{
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int change;
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unsigned int old, new;
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old = snd_soc_read(codec, reg);
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new = (old & ~mask) | value;
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change = old != new;
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return change;
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}
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EXPORT_SYMBOL_GPL(snd_soc_test_bits);
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int snd_soc_platform_read(struct snd_soc_platform *platform,
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unsigned int reg)
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{
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unsigned int ret;
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if (!platform->driver->read) {
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dev_err(platform->dev, "ASoC: platform has no read back\n");
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return -1;
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}
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ret = platform->driver->read(platform, reg);
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dev_dbg(platform->dev, "read %x => %x\n", reg, ret);
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trace_snd_soc_preg_read(platform, reg, ret);
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return ret;
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}
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EXPORT_SYMBOL_GPL(snd_soc_platform_read);
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int snd_soc_platform_write(struct snd_soc_platform *platform,
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unsigned int reg, unsigned int val)
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{
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if (!platform->driver->write) {
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dev_err(platform->dev, "ASoC: platform has no write back\n");
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return -1;
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}
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dev_dbg(platform->dev, "write %x = %x\n", reg, val);
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trace_snd_soc_preg_write(platform, reg, val);
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return platform->driver->write(platform, reg, val);
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}
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EXPORT_SYMBOL_GPL(snd_soc_platform_write);
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#ifdef CONFIG_REGMAP
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static int hw_write(struct snd_soc_codec *codec, unsigned int reg,
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unsigned int value)
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