}
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
}
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
#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)