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-rw-r--r--sound/soc/soc-component.c670
1 files changed, 465 insertions, 205 deletions
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index 785a0385cc7f..f0b4f4bc44a4 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -2,12 +2,53 @@
//
// soc-component.c
//
+// Copyright 2009-2011 Wolfson Microelectronics PLC.
// Copyright (C) 2019 Renesas Electronics Corp.
+//
+// Mark Brown <broonie@opensource.wolfsonmicro.com>
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
//
#include <linux/module.h>
#include <sound/soc.h>
+#define soc_component_ret(dai, ret) _soc_component_ret(dai, __func__, ret)
+static inline int _soc_component_ret(struct snd_soc_component *component,
+ const char *func, int ret)
+{
+ /* Positive/Zero values are not errors */
+ if (ret >= 0)
+ return ret;
+
+ /* Negative values might be errors */
+ switch (ret) {
+ case -EPROBE_DEFER:
+ case -ENOTSUPP:
+ break;
+ default:
+ dev_err(component->dev,
+ "ASoC: error at %s on %s: %d\n",
+ func, component->name, ret);
+ }
+
+ return ret;
+}
+
+void snd_soc_component_set_aux(struct snd_soc_component *component,
+ struct snd_soc_aux_dev *aux)
+{
+ component->init = (aux) ? aux->init : NULL;
+}
+
+int snd_soc_component_init(struct snd_soc_component *component)
+{
+ int ret = 0;
+
+ if (component->init)
+ ret = component->init(component);
+
+ return soc_component_ret(component, ret);
+}
+
/**
* snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
* @component: COMPONENT
@@ -22,11 +63,13 @@ int snd_soc_component_set_sysclk(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq,
int dir)
{
+ int ret = -ENOTSUPP;
+
if (component->driver->set_sysclk)
- return component->driver->set_sysclk(component, clk_id, source,
+ ret = component->driver->set_sysclk(component, clk_id, source,
freq, dir);
- return -ENOTSUPP;
+ return soc_component_ret(component, ret);
}
EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk);
@@ -44,11 +87,13 @@ int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
int source, unsigned int freq_in,
unsigned int freq_out)
{
+ int ret = -EINVAL;
+
if (component->driver->set_pll)
- return component->driver->set_pll(component, pll_id, source,
+ ret = component->driver->set_pll(component, pll_id, source,
freq_in, freq_out);
- return -EINVAL;
+ return soc_component_ret(component, ret);
}
EXPORT_SYMBOL_GPL(snd_soc_component_set_pll);
@@ -62,194 +107,105 @@ void snd_soc_component_seq_notifier(struct snd_soc_component *component,
int snd_soc_component_stream_event(struct snd_soc_component *component,
int event)
{
+ int ret = 0;
+
if (component->driver->stream_event)
- return component->driver->stream_event(component, event);
+ ret = component->driver->stream_event(component, event);
- return 0;
+ return soc_component_ret(component, ret);
}
int snd_soc_component_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
+ int ret = 0;
+
if (component->driver->set_bias_level)
- return component->driver->set_bias_level(component, level);
+ ret = component->driver->set_bias_level(component, level);
- return 0;
+ return soc_component_ret(component, ret);
}
-int snd_soc_component_enable_pin(struct snd_soc_component *component,
- const char *pin)
+static int soc_component_pin(struct snd_soc_component *component,
+ const char *pin,
+ int (*pin_func)(struct snd_soc_dapm_context *dapm,
+ const char *pin))
{
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
char *full_name;
int ret;
- if (!component->name_prefix)
- return snd_soc_dapm_enable_pin(dapm, pin);
+ if (!component->name_prefix) {
+ ret = pin_func(dapm, pin);
+ goto end;
+ }
full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
+ if (!full_name) {
+ ret = -ENOMEM;
+ goto end;
+ }
- ret = snd_soc_dapm_enable_pin(dapm, full_name);
+ ret = pin_func(dapm, full_name);
kfree(full_name);
+end:
+ return soc_component_ret(component, ret);
+}
- return ret;
+int snd_soc_component_enable_pin(struct snd_soc_component *component,
+ const char *pin)
+{
+ return soc_component_pin(component, pin, snd_soc_dapm_enable_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin);
int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_enable_pin_unlocked(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_enable_pin_unlocked(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_enable_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin_unlocked);
int snd_soc_component_disable_pin(struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_disable_pin(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_disable_pin(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_disable_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin);
int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_disable_pin_unlocked(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_disable_pin_unlocked(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_disable_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin_unlocked);
int snd_soc_component_nc_pin(struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_nc_pin(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_nc_pin(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_nc_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin);
int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_nc_pin_unlocked(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_nc_pin_unlocked(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_nc_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin_unlocked);
int snd_soc_component_get_pin_status(struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_get_pin_status(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_get_pin_status(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_get_pin_status);
}
EXPORT_SYMBOL_GPL(snd_soc_component_get_pin_status);
int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_force_enable_pin(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_force_enable_pin(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_force_enable_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin);
@@ -257,22 +213,7 @@ int snd_soc_component_force_enable_pin_unlocked(
struct snd_soc_component *component,
const char *pin)
{
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
- char *full_name;
- int ret;
-
- if (!component->name_prefix)
- return snd_soc_dapm_force_enable_pin_unlocked(dapm, pin);
-
- full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
- if (!full_name)
- return -ENOMEM;
-
- ret = snd_soc_dapm_force_enable_pin_unlocked(dapm, full_name);
- kfree(full_name);
-
- return ret;
+ return soc_component_pin(component, pin, snd_soc_dapm_force_enable_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
@@ -287,21 +228,25 @@ EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
int snd_soc_component_set_jack(struct snd_soc_component *component,
struct snd_soc_jack *jack, void *data)
{
+ int ret = -ENOTSUPP;
+
if (component->driver->set_jack)
- return component->driver->set_jack(component, jack, data);
+ ret = component->driver->set_jack(component, jack, data);
- return -ENOTSUPP;
+ return soc_component_ret(component, ret);
}
EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
int snd_soc_component_module_get(struct snd_soc_component *component,
int upon_open)
{
+ int ret = 0;
+
if (component->driver->module_get_upon_open == !!upon_open &&
!try_module_get(component->dev->driver->owner))
- return -ENODEV;
+ ret = -ENODEV;
- return 0;
+ return soc_component_ret(component, ret);
}
void snd_soc_component_module_put(struct snd_soc_component *component,
@@ -314,52 +259,23 @@ void snd_soc_component_module_put(struct snd_soc_component *component,
int snd_soc_component_open(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
+ int ret = 0;
+
if (component->driver->open)
- return component->driver->open(component, substream);
- return 0;
+ ret = component->driver->open(component, substream);
+
+ return soc_component_ret(component, ret);
}
int snd_soc_component_close(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
- if (component->driver->close)
- return component->driver->close(component, substream);
- return 0;
-}
+ int ret = 0;
-int snd_soc_component_prepare(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- if (component->driver->prepare)
- return component->driver->prepare(component, substream);
- return 0;
-}
-
-int snd_soc_component_hw_params(struct snd_soc_component *component,
- struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- if (component->driver->hw_params)
- return component->driver->hw_params(component,
- substream, params);
- return 0;
-}
-
-int snd_soc_component_hw_free(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- if (component->driver->hw_free)
- return component->driver->hw_free(component, substream);
- return 0;
-}
+ if (component->driver->close)
+ ret = component->driver->close(component, substream);
-int snd_soc_component_trigger(struct snd_soc_component *component,
- struct snd_pcm_substream *substream,
- int cmd)
-{
- if (component->driver->trigger)
- return component->driver->trigger(component, substream, cmd);
- return 0;
+ return soc_component_ret(component, ret);
}
void snd_soc_component_suspend(struct snd_soc_component *component)
@@ -383,10 +299,12 @@ int snd_soc_component_is_suspended(struct snd_soc_component *component)
int snd_soc_component_probe(struct snd_soc_component *component)
{
+ int ret = 0;
+
if (component->driver->probe)
- return component->driver->probe(component);
+ ret = component->driver->probe(component);
- return 0;
+ return soc_component_ret(component, ret);
}
void snd_soc_component_remove(struct snd_soc_component *component)
@@ -398,10 +316,12 @@ void snd_soc_component_remove(struct snd_soc_component *component)
int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
struct device_node *ep)
{
+ int ret = -ENOTSUPP;
+
if (component->driver->of_xlate_dai_id)
- return component->driver->of_xlate_dai_id(component, ep);
+ ret = component->driver->of_xlate_dai_id(component, ep);
- return -ENOTSUPP;
+ return soc_component_ret(component, ret);
}
int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
@@ -410,13 +330,269 @@ int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
{
if (component->driver->of_xlate_dai_name)
return component->driver->of_xlate_dai_name(component,
- args, dai_name);
+ args, dai_name);
+ /*
+ * Don't use soc_component_ret here because we may not want to report
+ * the error just yet. If a device has more than one component, the
+ * first may not match and we don't want spam the log with this.
+ */
return -ENOTSUPP;
}
+void snd_soc_component_setup_regmap(struct snd_soc_component *component)
+{
+ int val_bytes = regmap_get_val_bytes(component->regmap);
+
+ /* Errors are legitimate for non-integer byte multiples */
+ if (val_bytes > 0)
+ component->val_bytes = val_bytes;
+}
+
+#ifdef CONFIG_REGMAP
+
+/**
+ * snd_soc_component_init_regmap() - Initialize regmap instance for the
+ * component
+ * @component: The component for which to initialize the regmap instance
+ * @regmap: The regmap instance that should be used by the component
+ *
+ * This function allows deferred assignment of the regmap instance that is
+ * associated with the component. Only use this if the regmap instance is not
+ * yet ready when the component is registered. The function must also be called
+ * before the first IO attempt of the component.
+ */
+void snd_soc_component_init_regmap(struct snd_soc_component *component,
+ struct regmap *regmap)
+{
+ component->regmap = regmap;
+ snd_soc_component_setup_regmap(component);
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
+
+/**
+ * snd_soc_component_exit_regmap() - De-initialize regmap instance for the
+ * component
+ * @component: The component for which to de-initialize the regmap instance
+ *
+ * Calls regmap_exit() on the regmap instance associated to the component and
+ * removes the regmap instance from the component.
+ *
+ * This function should only be used if snd_soc_component_init_regmap() was used
+ * to initialize the regmap instance.
+ */
+void snd_soc_component_exit_regmap(struct snd_soc_component *component)
+{
+ regmap_exit(component->regmap);
+ component->regmap = NULL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
+
+#endif
+
+static unsigned int soc_component_read_no_lock(
+ struct snd_soc_component *component,
+ unsigned int reg)
+{
+ int ret;
+ unsigned int val = 0;
+
+ if (component->regmap)
+ ret = regmap_read(component->regmap, reg, &val);
+ else if (component->driver->read) {
+ ret = 0;
+ val = component->driver->read(component, reg);
+ }
+ else
+ ret = -EIO;
+
+ if (ret < 0)
+ soc_component_ret(component, ret);
+
+ return val;
+}
+
+/**
+ * snd_soc_component_read() - Read register value
+ * @component: Component to read from
+ * @reg: Register to read
+ *
+ * Return: read value
+ */
+unsigned int snd_soc_component_read(struct snd_soc_component *component,
+ unsigned int reg)
+{
+ unsigned int val;
+
+ mutex_lock(&component->io_mutex);
+ val = soc_component_read_no_lock(component, reg);
+ mutex_unlock(&component->io_mutex);
+
+ return val;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_read);
+
+static int soc_component_write_no_lock(
+ struct snd_soc_component *component,
+ unsigned int reg, unsigned int val)
+{
+ int ret = -EIO;
+
+ if (component->regmap)
+ ret = regmap_write(component->regmap, reg, val);
+ else if (component->driver->write)
+ ret = component->driver->write(component, reg, val);
+
+ return soc_component_ret(component, ret);
+}
+
+/**
+ * snd_soc_component_write() - Write register value
+ * @component: Component to write to
+ * @reg: Register to write
+ * @val: Value to write to the register
+ *
+ * Return: 0 on success, a negative error code otherwise.
+ */
+int snd_soc_component_write(struct snd_soc_component *component,
+ unsigned int reg, unsigned int val)
+{
+ int ret;
+
+ mutex_lock(&component->io_mutex);
+ ret = soc_component_write_no_lock(component, reg, val);
+ mutex_unlock(&component->io_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_write);
+
+static int snd_soc_component_update_bits_legacy(
+ struct snd_soc_component *component, unsigned int reg,
+ unsigned int mask, unsigned int val, bool *change)
+{
+ unsigned int old, new;
+ int ret = 0;
+
+ mutex_lock(&component->io_mutex);
+
+ old = soc_component_read_no_lock(component, reg);
+
+ new = (old & ~mask) | (val & mask);
+ *change = old != new;
+ if (*change)
+ ret = soc_component_write_no_lock(component, reg, new);
+
+ mutex_unlock(&component->io_mutex);
+
+ return soc_component_ret(component, ret);
+}
+
+/**
+ * snd_soc_component_update_bits() - Perform read/modify/write cycle
+ * @component: Component to update
+ * @reg: Register to update
+ * @mask: Mask that specifies which bits to update
+ * @val: New value for the bits specified by mask
+ *
+ * Return: 1 if the operation was successful and the value of the register
+ * changed, 0 if the operation was successful, but the value did not change.
+ * Returns a negative error code otherwise.
+ */
+int snd_soc_component_update_bits(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask, unsigned int val)
+{
+ bool change;
+ int ret;
+
+ if (component->regmap)
+ ret = regmap_update_bits_check(component->regmap, reg, mask,
+ val, &change);
+ else
+ ret = snd_soc_component_update_bits_legacy(component, reg,
+ mask, val, &change);
+
+ if (ret < 0)
+ return soc_component_ret(component, ret);
+ return change;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_update_bits);
+
+/**
+ * snd_soc_component_update_bits_async() - Perform asynchronous
+ * read/modify/write cycle
+ * @component: Component to update
+ * @reg: Register to update
+ * @mask: Mask that specifies which bits to update
+ * @val: New value for the bits specified by mask
+ *
+ * This function is similar to snd_soc_component_update_bits(), but the update
+ * operation is scheduled asynchronously. This means it may not be completed
+ * when the function returns. To make sure that all scheduled updates have been
+ * completed snd_soc_component_async_complete() must be called.
+ *
+ * Return: 1 if the operation was successful and the value of the register
+ * changed, 0 if the operation was successful, but the value did not change.
+ * Returns a negative error code otherwise.
+ */
+int snd_soc_component_update_bits_async(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask, unsigned int val)
+{
+ bool change;
+ int ret;
+
+ if (component->regmap)
+ ret = regmap_update_bits_check_async(component->regmap, reg,
+ mask, val, &change);
+ else
+ ret = snd_soc_component_update_bits_legacy(component, reg,
+ mask, val, &change);
+
+ if (ret < 0)
+ return soc_component_ret(component, ret);
+ return change;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_update_bits_async);
+
+/**
+ * snd_soc_component_async_complete() - Ensure asynchronous I/O has completed
+ * @component: Component for which to wait
+ *
+ * This function blocks until all asynchronous I/O which has previously been
+ * scheduled using snd_soc_component_update_bits_async() has completed.
+ */
+void snd_soc_component_async_complete(struct snd_soc_component *component)
+{
+ if (component->regmap)
+ regmap_async_complete(component->regmap);
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_async_complete);
+
+/**
+ * snd_soc_component_test_bits - Test register for change
+ * @component: component
+ * @reg: Register to test
+ * @mask: Mask that specifies which bits to test
+ * @value: Value to test against
+ *
+ * Tests a register with a new value and checks if the new value is
+ * different from the old value.
+ *
+ * Return: 1 for change, otherwise 0.
+ */
+int snd_soc_component_test_bits(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask, unsigned int value)
+{
+ unsigned int old, new;
+
+ old = snd_soc_component_read(component, reg);
+ new = (old & ~mask) | value;
+ return old != new;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_test_bits);
+
int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_component *component;
int i;
@@ -431,22 +607,24 @@ int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_component *component;
int i;
/* FIXME: use 1st ioctl */
for_each_rtd_components(rtd, i, component)
if (component->driver->ioctl)
- return component->driver->ioctl(component, substream,
- cmd, arg);
+ return soc_component_ret(
+ component,
+ component->driver->ioctl(component,
+ substream, cmd, arg));
return snd_pcm_lib_ioctl(substream, cmd, arg);
}
int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_component *component;
int i, ret;
@@ -455,7 +633,7 @@ int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream)
ret = component->driver->sync_stop(component,
substream);
if (ret < 0)
- return ret;
+ return soc_component_ret(component, ret);
}
}
@@ -466,15 +644,18 @@ int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *buf, unsigned long bytes)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_component *component;
int i;
/* FIXME. it returns 1st copy now */
for_each_rtd_components(rtd, i, component)
if (component->driver->copy_user)
- return component->driver->copy_user(
- component, substream, channel, pos, buf, bytes);
+ return soc_component_ret(
+ component,
+ component->driver->copy_user(
+ component, substream, channel,
+ pos, buf, bytes));
return -EINVAL;
}
@@ -482,7 +663,7 @@ int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
unsigned long offset)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_component *component;
struct page *page;
int i;
@@ -503,15 +684,17 @@ struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_component *component;
int i;
/* FIXME. it returns 1st mmap now */
for_each_rtd_components(rtd, i, component)
if (component->driver->mmap)
- return component->driver->mmap(component,
- substream, vma);
+ return soc_component_ret(
+ component,
+ component->driver->mmap(component,
+ substream, vma));
return -EINVAL;
}
@@ -526,7 +709,7 @@ int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd)
if (component->driver->pcm_construct) {
ret = component->driver->pcm_construct(component, rtd);
if (ret < 0)
- return ret;
+ return soc_component_ret(component, ret);
}
}
@@ -545,3 +728,80 @@ void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd)
if (component->driver->pcm_destruct)
component->driver->pcm_destruct(component, rtd->pcm);
}
+
+int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component;
+ int i, ret;
+
+ for_each_rtd_components(rtd, i, component) {
+ if (component->driver->prepare) {
+ ret = component->driver->prepare(component, substream);
+ if (ret < 0)
+ return soc_component_ret(component, ret);
+ }
+ }
+
+ return 0;
+}
+
+int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_component **last)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component;
+ int i, ret;
+
+ for_each_rtd_components(rtd, i, component) {
+ if (component->driver->hw_params) {
+ ret = component->driver->hw_params(component,
+ substream, params);
+ if (ret < 0) {
+ *last = component;
+ return soc_component_ret(component, ret);
+ }
+ }
+ }
+
+ *last = NULL;
+ return 0;
+}
+
+void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_component *last)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component;
+ int i, ret;
+
+ for_each_rtd_components(rtd, i, component) {
+ if (component == last)
+ break;
+
+ if (component->driver->hw_free) {
+ ret = component->driver->hw_free(component, substream);
+ if (ret < 0)
+ soc_component_ret(component, ret);
+ }
+ }
+}
+
+int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component;
+ int i, ret;
+
+ for_each_rtd_components(rtd, i, component) {
+ if (component->driver->trigger) {
+ ret = component->driver->trigger(component, substream, cmd);
+ if (ret < 0)
+ return soc_component_ret(component, ret);
+ }
+ }
+
+ return 0;
+}