#define SND_SOC_DAPM_STREAM_STOP 0x2
#define SND_SOC_DAPM_STREAM_SUSPEND 0x4
#define SND_SOC_DAPM_STREAM_RESUME 0x8
-#define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10
+#define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10
#define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20
/* dapm event types */
-#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */
-#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */
-#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */
-#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */
-#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */
-#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */
-#define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */
-#define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */
-#define SND_SOC_DAPM_PRE_POST_PMD \
- (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)
-#define SND_SOC_DAPM_PRE_POST_PMU \
- (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)
+#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */
+#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */
+#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */
+#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */
+#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */
+#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */
+#define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */
+#define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */
+#define SND_SOC_DAPM_PRE_POST_PMD (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)
+#define SND_SOC_DAPM_PRE_POST_PMU (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)
/* convenience event type detection */
-#define SND_SOC_DAPM_EVENT_ON(e) \
- (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU))
-#define SND_SOC_DAPM_EVENT_OFF(e) \
- (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD))
+#define SND_SOC_DAPM_EVENT_ON(e) (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU))
+#define SND_SOC_DAPM_EVENT_OFF(e) (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD))
/* regulator widget flags */
-#define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */
+#define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */
struct snd_soc_dapm_widget;
enum snd_soc_dapm_type;
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,
- struct snd_kcontrol *kcontrol, int event);
-int dapm_pinctrl_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event);
+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, struct snd_kcontrol *kcontrol, int event);
+int dapm_pinctrl_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event);
/* dapm controls */
-int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
-int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *uncontrol);
int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
- const struct snd_soc_dapm_widget *widget,
- int num);
-struct snd_soc_dapm_widget *snd_soc_dapm_new_control(
- struct snd_soc_dapm_context *dapm,
+ const struct snd_soc_dapm_widget *widget, int num);
+struct snd_soc_dapm_widget *snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget);
-struct snd_soc_dapm_widget *snd_soc_dapm_new_control_unlocked(
- struct snd_soc_dapm_context *dapm,
+struct snd_soc_dapm_widget *snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
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);
+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);
int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai);
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai);
/* dapm path setup */
int snd_soc_dapm_new_widgets(struct snd_soc_card *card);
void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm);
void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm,
- struct snd_soc_card *card,
- struct snd_soc_component *component);
+ struct snd_soc_card *card, struct snd_soc_component *component);
int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route, int num);
int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm,
void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w);
/* dapm events */
-void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
- int event);
+void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, int event);
void snd_soc_dapm_stream_stop(struct snd_soc_pcm_runtime *rtd, int stream);
void snd_soc_dapm_shutdown(struct snd_soc_card *card);
/* external DAPM widget events */
int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm,
- struct snd_kcontrol *kcontrol, int connect,
- struct snd_soc_dapm_update *update);
+ struct snd_kcontrol *kcontrol, int connect, struct snd_soc_dapm_update *update);
int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm,
struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e,
struct snd_soc_dapm_update *update);
/* dapm sys fs - used by the core */
extern struct attribute *soc_dapm_dev_attrs[];
-void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
- struct dentry *parent);
+void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, struct dentry *parent);
/* dapm audio pin control and status */
-int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm,
- const char *pin);
-int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm,
- const char *pin);
-int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm,
- const char *pin);
-int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm,
- const char *pin);
+int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin);
+int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin);
+int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, const char *pin);
+int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin);
int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin);
-int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm,
- const char *pin);
-int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm,
- const char *pin);
+int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin);
+int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, const char *pin);
int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm);
int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm);
-int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
- const char *pin);
-int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm,
- const char *pin);
-int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
- const char *pin);
+int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin);
+int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, const char *pin);
+int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, const char *pin);
unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol);
/* Mostly internal - should not normally be used */
/* dapm path query */
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));
+ 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);
+struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(struct snd_kcontrol *kcontrol);
+struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(struct snd_kcontrol *kcontrol);
-struct snd_soc_dapm_widget *snd_soc_dapm_kcontrol_widget(
- struct snd_kcontrol *kcontrol);
-
-int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm,
- enum snd_soc_bias_level level);
+int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level);
/* dapm widget types */
enum snd_soc_dapm_type {
snd_soc_dapm_input = 0, /* input pin */
snd_soc_dapm_output, /* output pin */
- snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */
- snd_soc_dapm_demux, /* connects the input to one of multiple outputs */
- snd_soc_dapm_mixer, /* mixes several analog signals together */
- snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */
- snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */
- snd_soc_dapm_out_drv, /* output driver */
- snd_soc_dapm_adc, /* analog to digital converter */
- snd_soc_dapm_dac, /* digital to analog converter */
+ snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */
+ snd_soc_dapm_demux, /* connects the input to one of multiple outputs */
+ snd_soc_dapm_mixer, /* mixes several analog signals together */
+ snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */
+ snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */
+ snd_soc_dapm_out_drv, /* output driver */
+ snd_soc_dapm_adc, /* analog to digital converter */
+ snd_soc_dapm_dac, /* digital to analog converter */
snd_soc_dapm_micbias, /* microphone bias (power) - DEPRECATED: use snd_soc_dapm_supply */
- snd_soc_dapm_mic, /* microphone */
- snd_soc_dapm_hp, /* headphones */
- snd_soc_dapm_spk, /* speaker */
- snd_soc_dapm_line, /* line input/output */
+ snd_soc_dapm_mic, /* microphone */
+ snd_soc_dapm_hp, /* headphones */
+ snd_soc_dapm_spk, /* speaker */
+ snd_soc_dapm_line, /* line input/output */
snd_soc_dapm_switch, /* analog switch */
- snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */
- snd_soc_dapm_pre, /* machine specific pre widget - exec first */
- snd_soc_dapm_post, /* machine specific post widget - exec last */
+ snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */
+ snd_soc_dapm_pre, /* machine specific pre widget - exec first */
+ snd_soc_dapm_post, /* machine specific post widget - exec last */
snd_soc_dapm_supply, /* power/clock supply */
snd_soc_dapm_pinctrl, /* pinctrl */
snd_soc_dapm_regulator_supply, /* external regulator */
};
/* status */
- u32 connect:1; /* source and sink widgets are connected */
- u32 walking:1; /* path is in the process of being walked */
- u32 weak:1; /* path ignored for power management */
+ u32 connect:1; /* source and sink widgets are connected */
+ u32 walking:1; /* path is in the process of being walked */
+ u32 weak:1; /* path ignored for power management */
u32 is_supply:1; /* At least one of the connected widgets is a supply */
int (*connected)(struct snd_soc_dapm_widget *source,
/* dapm widget */
struct snd_soc_dapm_widget {
enum snd_soc_dapm_type id;
- const char *name; /* widget name */
- const char *sname; /* stream name */
+ const char *name; /* widget name */
+ const char *sname; /* stream name */
struct list_head list;
struct snd_soc_dapm_context *dapm;
unsigned char connected:1; /* connected codec pin */
unsigned char new:1; /* cnew complete */
unsigned char force:1; /* force state */
- unsigned char ignore_suspend:1; /* kept enabled over suspend */
+ unsigned char ignore_suspend:1; /* kept enabled over suspend */
unsigned char new_power:1; /* power from this run */
unsigned char power_checked:1; /* power checked this run */
unsigned char is_supply:1; /* Widget is a supply type widget */
/* DAPM context */
struct snd_soc_dapm_context {
enum snd_soc_bias_level bias_level;
- unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
- /* Go to BIAS_OFF in suspend if the DAPM context is idle */
- unsigned int suspend_bias_off:1;
- struct device *dev; /* from parent - for debug */
- struct snd_soc_component *component; /* parent component */
- struct snd_soc_card *card; /* parent card */
+ /* bit field */
+ unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
+ unsigned int suspend_bias_off:1; /* Use BIAS_OFF in suspend if the DAPM is idle */
+
+ struct device *dev; /* from parent - for debug */
+ struct snd_soc_component *component; /* parent component */
+ struct snd_soc_card *card; /* parent card */
/* used during DAPM updates */
enum snd_soc_bias_level target_bias_level;
#define SND_SOC_DAPM_DIR_TO_EP(x) BIT(x)
-#define SND_SOC_DAPM_EP_SOURCE SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_IN)
-#define SND_SOC_DAPM_EP_SINK SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_OUT)
+#define SND_SOC_DAPM_EP_SOURCE SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_IN)
+#define SND_SOC_DAPM_EP_SINK SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_OUT)
/**
* snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths in the
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