snd_soc_jack_get_type – Based on the mic bias value, this function returns the type of jack from the zones declared in the jack type Synopsis int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); Arguments jack ASoC jack micbias_voltage mic bias voltage at adc channel when jack is plugged in Description Based on the mic bias value passed, this…
snd_soc_jack_free_gpios – Release GPIO pins’ resources of an ASoC jack Synopsis void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios); Arguments jack ASoC jack count number of pins gpios array of gpio pins Description Release gpio and irq resources for gpio pins associated with an ASoC jack. Copyright
snd_soc_jack_add_zones – Associate voltage zones with jack Synopsis int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, struct snd_soc_jack_zone *zones); Arguments jack ASoC jack count Number of zones zones Array of zones Description After this function has been called the zones specified in the array will be associated with the jack. Copyright
snd_soc_jack_add_pins – Associate DAPM pins with an ASoC jack Synopsis int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, struct snd_soc_jack_pin *pins); Arguments jack ASoC jack count Number of pins pins Array of pins Description After this function has been called the DAPM pins specified in the pins array will have their status updated to reflect the current…
snd_soc_jack_add_gpios – Associate GPIO pins with an ASoC jack Synopsis int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios); Arguments jack ASoC jack count number of pins gpios array of gpio pins Description This function will request gpio, set data direction and request irq for each gpio in the array. Copyright
snd_soc_jack_add_gpiods – Associate GPIO descriptor pins with an ASoC jack Synopsis int snd_soc_jack_add_gpiods(struct device *gpiod_dev, struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios); Arguments gpiod_dev GPIO consumer device jack ASoC jack count number of pins gpios array of gpio pins Description This function will request gpio, set data direction and request irq for each gpio…
snd_soc_info_xr_sx – signed multi register info callback Synopsis int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); Arguments kcontrol mreg control uinfo control element information Description Callback to provide information of a control that can span multiple codec registers which together forms a single signed value in a MSB/LSB manner. Returns 0 for success. Copyright
snd_soc_info_volsw_sx – Mixer info callback for SX TLV controls Synopsis int snd_soc_info_volsw_sx(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 single mixer control, or a double mixer control that spans 2 registers of the SX TLV type. SX TLV controls have a range…
snd_soc_info_volsw_range – single mixer info callback with range. Synopsis int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); Arguments kcontrol mixer control uinfo control element information Description Callback to provide information, within a range, about a single mixer control. returns 0 for success. Copyright
snd_soc_info_volsw – single mixer info callback Synopsis int snd_soc_info_volsw(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 single mixer control, or a double mixer control that spans 2 registers. Returns 0 for success. Copyright
snd_soc_info_enum_double – enumerated double mixer info callback Synopsis int snd_soc_info_enum_double(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 double enumerated mixer control. Returns 0 for success. Copyright
snd_soc_get_xr_sx – signed multi register get callback Synopsis int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mreg control ucontrol control element information Description Callback to get the value of a control that can span multiple codec registers which together forms a single signed value in a MSB/LSB manner. The control supports specifying total no…
snd_soc_get_volsw_sx – single mixer get callback Synopsis int snd_soc_get_volsw_sx(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 single mixer control, or a double mixer control that spans 2 registers. Returns 0 for success. Copyright
snd_soc_get_volsw_range – single mixer get callback with range Synopsis int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mixer control ucontrol control element information Description Callback to get the value, within a range, of a single mixer control. Returns 0 for success. Copyright
snd_soc_get_volsw – single mixer get callback Synopsis int snd_soc_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 single mixer control, or a double mixer control that spans 2 registers. Returns 0 for success. Copyright
snd_soc_get_strobe – strobe get callback Synopsis int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); Arguments kcontrol mixer control ucontrol control element information Description Callback get the value of a strobe mixer control. Returns 0 for success. Copyright
snd_soc_get_enum_double – enumerated double mixer get callback Synopsis int snd_soc_get_enum_double(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 double enumerated mixer. Returns 0 for success. Copyright
snd_soc_find_dai – Find a registered DAI Synopsis struct snd_soc_dai *snd_soc_find_dai(const struct snd_soc_dai_link_component *dlc); Arguments dlc name of the DAI and optional component info to match Description This function will search all regsitered components and their DAIs to find the DAI of the same name. The component’s of_node and name should also match if being specified….
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…