* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
- * Revision history
- * 12th Aug 2005 Initial version.
- * 25th Oct 2005 Implemented path power domain.
- * 18th Dec 2005 Implemented machine and stream level power domain.
- *
* Features:
* o Changes power status of internal codec blocks depending on the
* dynamic configuration of codec internal audio paths and active
}
}
- switch(codec->dapm_state){
- case SNDRV_CTL_POWER_D0:
- state = "D0";
- break;
- case SNDRV_CTL_POWER_D1:
- state = "D1";
+ switch (codec->bias_level) {
+ case SND_SOC_BIAS_ON:
+ state = "On";
break;
- case SNDRV_CTL_POWER_D2:
- state = "D2";
+ case SND_SOC_BIAS_PREPARE:
+ state = "Prepare";
break;
- case SNDRV_CTL_POWER_D3hot:
- state = "D3hot";
+ case SND_SOC_BIAS_STANDBY:
+ state = "Standby";
break;
- case SNDRV_CTL_POWER_D3cold:
- state = "D3cold";
+ case SND_SOC_BIAS_OFF:
+ state = "Off";
break;
}
count += sprintf(buf + count, "PM State: %s\n", state);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync_endpoints);
-/**
- * snd_soc_dapm_connect_input - connect dapm widgets
- * @codec: audio codec
- * @sink: name of target widget
- * @control: mixer control name
- * @source: name of source name
- *
- * Connects 2 dapm widgets together via a named audio path. The sink is
- * the widget receiving the audio signal, whilst the source is the sender
- * of the audio signal.
- *
- * Returns 0 for success else error.
- */
-int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink,
- const char * control, const char *source)
+static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
+ const char *sink, const char *control, const char *source)
{
struct snd_soc_dapm_path *path;
struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
kfree(path);
return ret;
}
+
+/**
+ * snd_soc_dapm_connect_input - connect dapm widgets
+ * @codec: audio codec
+ * @sink: name of target widget
+ * @control: mixer control name
+ * @source: name of source name
+ *
+ * Connects 2 dapm widgets together via a named audio path. The sink is
+ * the widget receiving the audio signal, whilst the source is the sender
+ * of the audio signal.
+ *
+ * This function has been deprecated in favour of snd_soc_dapm_add_routes().
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink,
+ const char *control, const char *source)
+{
+ return snd_soc_dapm_add_route(codec, sink, control, source);
+}
EXPORT_SYMBOL_GPL(snd_soc_dapm_connect_input);
+/**
+ * snd_soc_dapm_add_routes - Add routes between DAPM widgets
+ * @codec: codec
+ * @route: audio routes
+ * @num: number of routes
+ *
+ * Connects 2 dapm widgets together via a named audio path. The sink is
+ * the widget receiving the audio signal, whilst the source is the sender
+ * of the audio signal.
+ *
+ * Returns 0 for success else error. On error all resources can be freed
+ * with a call to snd_soc_card_free().
+ */
+int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
+ const struct snd_soc_dapm_route *route, int num)
+{
+ int i, ret;
+
+ for (i = 0; i < num; i++) {
+ ret = snd_soc_dapm_add_route(codec, route->sink,
+ route->control, route->source);
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to add route %s->%s\n",
+ route->source,
+ route->sink);
+ return ret;
+ }
+ route++;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
+
/**
* snd_soc_dapm_new_widgets - add new dapm widgets
* @codec: audio codec
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
+/**
+ * snd_soc_dapm_new_controls - create new dapm controls
+ * @codec: audio codec
+ * @widget: widget array
+ * @num: number of widgets
+ *
+ * Creates new DAPM controls based upon the templates.
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_new_controls(struct snd_soc_codec *codec,
+ const struct snd_soc_dapm_widget *widget,
+ int num)
+{
+ int i, ret;
+
+ for (i = 0; i < num; i++) {
+ ret = snd_soc_dapm_new_control(codec, widget);
+ if (ret < 0)
+ return ret;
+ widget++;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
+
+
/**
* snd_soc_dapm_stream_event - send a stream event to the dapm core
* @codec: audio codec
EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event);
/**
- * snd_soc_dapm_device_event - send a device event to the dapm core
+ * snd_soc_dapm_set_bias_level - set the bias level for the system
* @socdev: audio device
- * @event: device event
+ * @level: level to configure
*
- * Sends a device event to the dapm core. The core then makes any
- * necessary machine or codec power changes..
+ * Configure the bias (power) levels for the SoC audio device.
*
* Returns 0 for success else error.
*/
-int snd_soc_dapm_device_event(struct snd_soc_device *socdev, int event)
+int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev,
+ enum snd_soc_bias_level level)
{
struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_machine *machine = socdev->machine;
+ int ret = 0;
- if (machine->dapm_event)
- machine->dapm_event(machine, event);
- if (codec->dapm_event)
- codec->dapm_event(codec, event);
- return 0;
+ if (machine->set_bias_level)
+ ret = machine->set_bias_level(machine, level);
+ if (ret == 0 && codec->set_bias_level)
+ ret = codec->set_bias_level(codec, level);
+
+ return ret;
}
-EXPORT_SYMBOL_GPL(snd_soc_dapm_device_event);
/**
* snd_soc_dapm_set_endpoint - set audio endpoint status
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_set_endpoint);
+/**
+ * snd_soc_dapm_get_endpoint_status - get audio endpoint status
+ * @codec: audio codec
+ * @endpoint: audio signal endpoint (or start point)
+ *
+ * Get audio endpoint status - connected or disconnected.
+ *
+ * Returns status
+ */
+int snd_soc_dapm_get_endpoint_status(struct snd_soc_codec *codec,
+ char *endpoint)
+{
+ struct snd_soc_dapm_widget *w;
+
+ list_for_each_entry(w, &codec->dapm_widgets, list) {
+ if (!strcmp(w->name, endpoint))
+ return w->connected;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_endpoint_status);
+
/**
* snd_soc_dapm_free - free dapm resources
* @socdev: SoC device
projects / linux-2.6 / blobdiff