diff --git a/include/sound/soc.h b/include/sound/soc.h index c2278614e5bf..d776cdee30d7 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -816,10 +816,16 @@ struct snd_soc_component_driver { void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, int subseq); int (*stream_event)(struct snd_soc_component *, int event); + int (*set_bias_level)(struct snd_soc_component *component, + enum snd_soc_bias_level level); /* probe ordering - for components with runtime dependencies */ int probe_order; int remove_order; + + /* bits */ + unsigned int idle_bias_on:1; + unsigned int suspend_bias_off:1; }; struct snd_soc_component { @@ -885,6 +891,8 @@ struct snd_soc_component { int source, unsigned int freq_in, unsigned int freq_out); int (*set_jack)(struct snd_soc_component *component, struct snd_soc_jack *jack, void *data); + int (*set_bias_level)(struct snd_soc_component *component, + enum snd_soc_bias_level level); /* machine specific init */ int (*init)(struct snd_soc_component *component); diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index faed564670cd..fb3435121172 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3270,6 +3270,14 @@ static void snd_soc_component_drv_pcm_free(struct snd_soc_component *component, 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) { @@ -3297,11 +3305,14 @@ static int snd_soc_component_initialize(struct snd_soc_component *component, 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);