diff options
Diffstat (limited to 'include/sound/soc-dapm.h')
| -rw-r--r-- | include/sound/soc-dapm.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 1b6afbc1a4ed..ebb8e7a7fc29 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -16,6 +16,8 @@ #include <sound/asoc.h> struct device; +struct snd_soc_pcm_runtime; +struct soc_enum; /* widget has no PM register bit */ #define SND_SOC_NOPM -1 @@ -376,6 +378,24 @@ struct snd_soc_dapm_widget_list; struct snd_soc_dapm_update; enum snd_soc_dapm_direction; +/* + * Bias levels + * + * @ON: Bias is fully on for audio playback and capture operations. + * @PREPARE: Prepare for audio operations. Called before DAPM switching for + * stream start and stop operations. + * @STANDBY: Low power standby state when no playback/capture operations are + * in progress. NOTE: The transition time between STANDBY and ON + * should be as fast as possible and no longer than 10ms. + * @OFF: Power Off. No restrictions on transition times. + */ +enum snd_soc_bias_level { + SND_SOC_BIAS_OFF = 0, + SND_SOC_BIAS_STANDBY = 1, + SND_SOC_BIAS_PREPARE = 2, + SND_SOC_BIAS_ON = 3, +}; + int dapm_regulator_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); int dapm_clock_event(struct snd_soc_dapm_widget *w, @@ -409,6 +429,7 @@ struct snd_soc_dapm_widget *snd_soc_dapm_new_control_unlocked( const struct snd_soc_dapm_widget *widget); int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, struct snd_soc_dai *dai); +void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w); int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); @@ -482,6 +503,7 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, struct snd_soc_dapm_widget_list **list, bool (*custom_stop_condition)(struct snd_soc_dapm_widget *, enum snd_soc_dapm_direction)); +void snd_soc_dapm_dai_free_widgets(struct snd_soc_dapm_widget_list **list); struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm( struct snd_kcontrol *kcontrol); @@ -688,9 +710,14 @@ struct snd_soc_dapm_context { /* A list of widgets associated with an object, typically a snd_kcontrol */ struct snd_soc_dapm_widget_list { int num_widgets; - struct snd_soc_dapm_widget *widgets[0]; + struct snd_soc_dapm_widget *widgets[]; }; +#define for_each_dapm_widgets(list, i, widget) \ + for ((i) = 0; \ + (i) < list->num_widgets && (widget = list->widgets[i]); \ + (i)++) + struct snd_soc_dapm_stats { int power_checks; int path_checks; |