include/sound/soc-dapm.h

1 /* SPDX-License-Identifier: GPL-2.0
3  * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management
15 #include <sound/soc-topology.h>
24 #define SND_SOC_NOPM	-1
30  *  1. Codec domain - VREF, VMID
33  *  2. Platform/Machine domain - physically connected inputs and outputs
36  *  3. Path domain - Internal codec path mixers
39  *  4. Stream domain - DAC's and ADC's.
158 /* path domain with event - event handler must return 0 for success */
354 	.tlv.p = (tlv_array), \
361 	.tlv.p = (tlv_array), \
499 /* dapm sys fs - used by the core */
518 /* Mostly internal - should not normally be used */
544 	snd_soc_dapm_micbias,		/* microphone bias (power) - DEPRECATED: use snd_soc_dapm_supply */
550 	snd_soc_dapm_vmid,		/* codec bias/vmid - to minimise pops */
551 	snd_soc_dapm_pre,		/* machine specific pre widget - exec first */
552 	snd_soc_dapm_post,		/* machine specific post widget - exec last */
553 	snd_soc_dapm_supply,		/* power/clock supply */
564 	snd_soc_dapm_kcontrol,		/* Auto-disabled kcontrol */
588 	/* Note: currently only supported for links where source is a supply */
602 	 * p->source, rather than p->node[SND_SOC_DAPM_DIR_IN]
616 	u32 is_supply:1;	/* At least one of the connected widgets is a supply */
641 	unsigned int mask;			/* non-shifted mask */
652 	unsigned char is_supply:1;		/* Widget is a supply type widget */
702 	struct device *dev;			/* from parent - for debug */
726 	     (i) < list->num_widgets && (widget = list->widgets[i]);	\
741  * snd_soc_dapm_init_bias_level() - Initialize DAPM bias level
749  * the power-on reset state of the device.
756 	dapm->bias_level = level;  in snd_soc_dapm_init_bias_level()
760  * snd_soc_dapm_get_bias_level() - Get current DAPM bias level
768 	return dapm->bias_level;  in snd_soc_dapm_get_bias_level()
782  * snd_soc_dapm_widget_for_each_path - Iterates over all paths in the
787  * @p: The path iterator variable
789 #define snd_soc_dapm_widget_for_each_path(w, dir, p) \  argument
790 	list_for_each_entry(p, &w->edges[dir], list_node[dir])
793  * snd_soc_dapm_widget_for_each_path_safe - Iterates over all paths in the
798  * @p: The path iterator variable
804 #define snd_soc_dapm_widget_for_each_path_safe(w, dir, p, next_p) \  argument
805 	list_for_each_entry_safe(p, next_p, &w->edges[dir], list_node[dir])
808  * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths leaving a
811  * @p: The path iterator variable
813 #define snd_soc_dapm_widget_for_each_sink_path(w, p) \  argument
814 	snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_IN, p)
817  * snd_soc_dapm_widget_for_each_source_path - Iterates over all paths leading to
820  * @p: The path iterator variable
822 #define snd_soc_dapm_widget_for_each_source_path(w, p) \  argument
823 	snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_OUT, p)