The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
snd_soc_dapm_weak_routes – Mark routes between DAPM widgets as weak Synopsis int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_route *route, int num); Arguments dapm DAPM context route audio routes num number of routes Description Mark existing routes matching those specified in the passed array as being weak, meaning that they are ignored for the purpose of power…
snd_soc_dapm_to_platform – Casts a DAPM context to the platform it is embedded in Synopsis struct snd_soc_platform *snd_soc_dapm_to_platform(struct snd_soc_dapm_context *dapm); Arguments dapm The DAPM context to cast to the platform. Description This function must only be used on DAPM contexts that are known to be part of a platform (e.g. in a platform driver). Otherwise the…
snd_soc_dapm_to_component – Casts a DAPM context to the component it is embedded in Synopsis struct snd_soc_component *snd_soc_dapm_to_component(struct snd_soc_dapm_context *dapm); Arguments dapm The DAPM context to cast to the component Description This function must only be used on DAPM contexts that are known to be part of a component (e.g. in a component driver). Otherwise the…
snd_soc_dapm_to_codec – Casts a DAPM context to the CODEC it is embedded in Synopsis struct snd_soc_codec *snd_soc_dapm_to_codec(struct snd_soc_dapm_context *dapm); Arguments dapm The DAPM context to cast to the CODEC Description This function must only be used on DAPM contexts that are known to be part of a CODEC (e.g. in a CODEC driver). Otherwise the…
snd_soc_dapm_sync_unlocked – scan and power dapm paths Synopsis int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm); Arguments dapm DAPM context Description Walks all dapm audio paths and powers widgets according to their stream or path usage. Requires external locking. Returns 0 for success. Copyright
snd_soc_dapm_sync – scan and power dapm paths Synopsis int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); Arguments dapm DAPM context Description Walks all dapm audio paths and powers widgets according to their stream or path usage. Returns 0 for success. Copyright
snd_soc_dapm_put_volsw – dapm mixer set callback Synopsis int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mixer control ucontrol control element information Description Callback to set the value of a dapm mixer control. Returns 0 for success. Copyright
snd_soc_dapm_put_pin_switch – Set information for a pin switch Synopsis int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mixer control ucontrol Value Copyright
snd_soc_dapm_put_enum_double – dapm enumerated double mixer set callback Synopsis int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mixer control ucontrol control element information Description Callback to set the value of a dapm enumerated double mixer control. Returns 0 for success. Copyright
snd_soc_dapm_new_widgets – add new dapm widgets Synopsis int snd_soc_dapm_new_widgets(struct snd_soc_card *card); Arguments card card to be checked for new dapm widgets Description Checks the codec for any new dapm widgets and creates them if found. Returns 0 for success. Copyright
snd_soc_dapm_new_controls – create new dapm controls Synopsis int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget, int num); Arguments dapm DAPM context widget widget array num number of widgets Description Creates new DAPM controls based upon the templates. Returns 0 for success else error. Copyright
snd_soc_dapm_nc_pin_unlocked – permanently disable pin. Synopsis int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin); Arguments dapm DAPM context pin pin name Description Marks the specified pin as being not connected, disabling it along any parent or child widgets. At present this is identical to snd_soc_dapm_disable_pin but in future it will be extended to do additional things…
snd_soc_dapm_nc_pin – permanently disable pin. Synopsis int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); Arguments dapm DAPM context pin pin name Description Marks the specified pin as being not connected, disabling it along any parent or child widgets. At present this is identical to snd_soc_dapm_disable_pin but in future it will be extended to do additional things…
snd_soc_dapm_kcontrol_widget – Returns the widget associated to a kcontrol Synopsis struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(struct snd_kcontrol *kcontrol); Arguments kcontrol The kcontrol Copyright
snd_soc_dapm_kcontrol_dapm – Returns the dapm context associated to a kcontrol Synopsis struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(struct snd_kcontrol *kcontrol); Arguments kcontrol The kcontrol Note This function must only be used on kcontrols that are known to have been registered for a CODEC. Otherwise the behaviour is undefined. Copyright
snd_soc_dapm_kcontrol_codec – Returns the codec associated to a kcontrol Synopsis struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol); Arguments kcontrol The kcontrol Description This function must only be used on DAPM contexts that are known to be part of a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. Copyright
snd_soc_dapm_info_pin_switch – Info for a pin switch Synopsis int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); Arguments kcontrol mixer control uinfo control element information Description Callback to provide information about a pin switch control. Copyright
snd_soc_dapm_ignore_suspend – ignore suspend status for DAPM endpoint Synopsis int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, const char *pin); Arguments dapm DAPM context pin audio signal pin endpoint (or start point) Description Mark the given endpoint or pin as ignoring suspend. When the system is disabled a path between two endpoints flagged as ignoring suspend will not be…
snd_soc_dapm_get_volsw – dapm mixer get callback Synopsis int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mixer control ucontrol control element information Description Callback to get the value of a dapm mixer control. Returns 0 for success. Copyright
snd_soc_dapm_get_pin_switch – Get information for a pin switch Synopsis int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mixer control ucontrol Value Copyright