/**
* snd_soc_dai_set_fmt - configure DAI hardware audio format.
* @dai: DAI
- * @fmt: SND_SOC_DAIFMT_ format value.
+ * @fmt: SND_SOC_DAIFMT_* format value.
*
* Configures the DAI hardware format and clocking.
*/
component->driver->pcm_free(pcm);
}
+static int snd_soc_component_set_bias_level(struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_component *component = dapm->component;
+
+ return component->driver->set_bias_level(component, level);
+}
+
static int snd_soc_component_initialize(struct snd_soc_component *component,
const struct snd_soc_component_driver *driver, struct device *dev)
{
dapm->dev = dev;
dapm->component = component;
dapm->bias_level = SND_SOC_BIAS_OFF;
- dapm->idle_bias_off = true;
+ dapm->idle_bias_off = !driver->idle_bias_on;
+ dapm->suspend_bias_off = driver->suspend_bias_off;
if (driver->seq_notifier)
dapm->seq_notifier = snd_soc_component_seq_notifier;
if (driver->stream_event)
dapm->stream_event = snd_soc_component_stream_event;
+ if (driver->set_bias_level)
+ dapm->set_bias_level = snd_soc_component_set_bias_level;
INIT_LIST_HEAD(&component->dai_list);
mutex_init(&component->io_mutex);
list_del(&component->list);
}
-int snd_soc_register_component(struct device *dev,
- const struct snd_soc_component_driver *component_driver,
- struct snd_soc_dai_driver *dai_drv,
- int num_dai)
+#define ENDIANNESS_MAP(name) \
+ (SNDRV_PCM_FMTBIT_##name##LE | SNDRV_PCM_FMTBIT_##name##BE)
+static u64 endianness_format_map[] = {
+ ENDIANNESS_MAP(S16_),
+ ENDIANNESS_MAP(U16_),
+ ENDIANNESS_MAP(S24_),
+ ENDIANNESS_MAP(U24_),
+ ENDIANNESS_MAP(S32_),
+ ENDIANNESS_MAP(U32_),
+ ENDIANNESS_MAP(S24_3),
+ ENDIANNESS_MAP(U24_3),
+ ENDIANNESS_MAP(S20_3),
+ ENDIANNESS_MAP(U20_3),
+ ENDIANNESS_MAP(S18_3),
+ ENDIANNESS_MAP(U18_3),
+ ENDIANNESS_MAP(FLOAT_),
+ ENDIANNESS_MAP(FLOAT64_),
+ ENDIANNESS_MAP(IEC958_SUBFRAME_),
+};
+
+/*
+ * Fix up the DAI formats for endianness: codecs don't actually see
+ * the endianness of the data but we're using the CPU format
+ * definitions which do need to include endianness so we ensure that
+ * codec DAIs always have both big and little endian variants set.
+ */
+static void convert_endianness_formats(struct snd_soc_pcm_stream *stream)
{
- struct snd_soc_component *component;
- int ret;
+ int i;
- component = kzalloc(sizeof(*component), GFP_KERNEL);
- if (!component) {
- dev_err(dev, "ASoC: Failed to allocate memory\n");
- return -ENOMEM;
- }
+ for (i = 0; i < ARRAY_SIZE(endianness_format_map); i++)
+ if (stream->formats & endianness_format_map[i])
+ stream->formats |= endianness_format_map[i];
+}
+
+int snd_soc_add_component(struct device *dev,
+ struct snd_soc_component *component,
+ const struct snd_soc_component_driver *component_driver,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
+{
+ int ret;
+ int i;
ret = snd_soc_component_initialize(component, component_driver, dev);
if (ret)
component->ignore_pmdown_time = true;
component->registered_as_component = true;
- ret = snd_soc_register_dais(component, dai_drv, num_dai, true);
+ if (component_driver->endianness) {
+ for (i = 0; i < num_dai; i++) {
+ convert_endianness_formats(&dai_drv[i].playback);
+ convert_endianness_formats(&dai_drv[i].capture);
+ }
+ }
+
+ ret = snd_soc_register_dais(component, dai_drv, num_dai,
+ !component_driver->non_legacy_dai_naming);
if (ret < 0) {
dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret);
goto err_cleanup;
kfree(component);
return ret;
}
+EXPORT_SYMBOL_GPL(snd_soc_add_component);
+
+int snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *component_driver,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
+{
+ struct snd_soc_component *component;
+
+ component = kzalloc(sizeof(*component), GFP_KERNEL);
+ if (!component)
+ return -ENOMEM;
+
+ return snd_soc_add_component(dev, component, component_driver,
+ dai_drv, num_dai);
+}
EXPORT_SYMBOL_GPL(snd_soc_register_component);
/**
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
+struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
+ const char *driver_name)
+{
+ struct snd_soc_component *component;
+ struct snd_soc_component *ret;
+
+ ret = NULL;
+ mutex_lock(&client_mutex);
+ list_for_each_entry(component, &component_list, list) {
+ if (dev != component->dev)
+ continue;
+
+ if (driver_name &&
+ (driver_name != component->driver->name) &&
+ (strcmp(component->driver->name, driver_name) != 0))
+ continue;
+
+ ret = component;
+ break;
+ }
+ mutex_unlock(&client_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_lookup_component);
+
static int snd_soc_platform_drv_probe(struct snd_soc_component *component)
{
struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
-static u64 codec_format_map[] = {
- SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE,
- SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE,
- SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE,
- SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE,
- SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE,
- SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE,
- SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE,
- SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE,
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE,
- SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE,
- SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE,
- SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE,
- SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE,
- SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE,
- SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
- | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE,
-};
-
-/* Fix up the DAI formats for endianness: codecs don't actually see
- * the endianness of the data but we're using the CPU format
- * definitions which do need to include endianness so we ensure that
- * codec DAIs always have both big and little endian variants set.
- */
-static void fixup_codec_formats(struct snd_soc_pcm_stream *stream)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(codec_format_map); i++)
- if (stream->formats & codec_format_map[i])
- stream->formats |= codec_format_map[i];
-}
-
static int snd_soc_codec_drv_probe(struct snd_soc_component *component)
{
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
codec->component.regmap = codec_drv->get_regmap(dev);
for (i = 0; i < num_dai; i++) {
- fixup_codec_formats(&dai_drv[i].playback);
- fixup_codec_formats(&dai_drv[i].capture);
+ convert_endianness_formats(&dai_drv[i].playback);
+ convert_endianness_formats(&dai_drv[i].capture);
}
ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false);
projects / mirror_ubuntu-bionic-kernel.git / blobdiff