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ac97_codec.h	15.67 KB	0644	Edit Rename Delete
aci.h	2.4 KB	0644	Edit Rename Delete
ad1816a.h	4.73 KB	0644	Edit Rename Delete
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ak4117.h	8.34 KB	0644	Edit Rename Delete
ak4531_codec.h	2.42 KB	0644	Edit Rename Delete
ak4641.h	476 B	0644	Edit Rename Delete
ak4xxx-adda.h	2.66 KB	0644	Edit Rename Delete
alc5623.h	536 B	0644	Edit Rename Delete
asequencer.h	2.91 KB	0644	Edit Rename Delete
asound.h	590 B	0644	Edit Rename Delete
asoundef.h	16.02 KB	0644	Edit Rename Delete
compress_driver.h	7.8 KB	0644	Edit Rename Delete
control.h	9.72 KB	0644	Edit Rename Delete
core.h	15.52 KB	0644	Edit Rename Delete
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cs4231-regs.h	7.6 KB	0644	Edit Rename Delete
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cs8427.h	9.72 KB	0644	Edit Rename Delete
da7213.h	1.01 KB	0644	Edit Rename Delete
da7218.h	2.41 KB	0644	Edit Rename Delete
da7219-aad.h	2.21 KB	0644	Edit Rename Delete
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da9055.h	707 B	0644	Edit Rename Delete
designware_i2s.h	1.59 KB	0644	Edit Rename Delete
dmaengine_pcm.h	6.75 KB	0644	Edit Rename Delete
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emu10k1_synth.h	693 B	0644	Edit Rename Delete
emu8000.h	3.25 KB	0644	Edit Rename Delete
emu8000_reg.h	9.54 KB	0644	Edit Rename Delete
emux_legacy.h	4.7 KB	0644	Edit Rename Delete
emux_synth.h	6.79 KB	0644	Edit Rename Delete
es1688.h	2.85 KB	0644	Edit Rename Delete
graph_card.h	271 B	0644	Edit Rename Delete
gus.h	19.65 KB	0644	Edit Rename Delete
hda_chmap.h	2.6 KB	0644	Edit Rename Delete
hda_codec.h	17.25 KB	0644	Edit Rename Delete
hda_component.h	2.04 KB	0644	Edit Rename Delete
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hda_i915.h	589 B	0644	Edit Rename Delete
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hda_verbs.h	16.89 KB	0644	Edit Rename Delete
hdaudio.h	21.03 KB	0644	Edit Rename Delete
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hdmi-codec.h	2.94 KB	0644	Edit Rename Delete
hwdep.h	1.88 KB	0644	Edit Rename Delete
i2c.h	2.79 KB	0644	Edit Rename Delete
info.h	7.86 KB	0644	Edit Rename Delete
initval.h	2.43 KB	0644	Edit Rename Delete
intel-dsp-config.h	869 B	0644	Edit Rename Delete
intel-nhlt.h	2.78 KB	0644	Edit Rename Delete
jack.h	3.1 KB	0644	Edit Rename Delete
l3.h	524 B	0644	Edit Rename Delete
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max98095.h	1.33 KB	0644	Edit Rename Delete
memalloc.h	2.58 KB	0644	Edit Rename Delete
minors.h	3.65 KB	0644	Edit Rename Delete
mixer_oss.h	1.73 KB	0644	Edit Rename Delete
mpu401.h	3.81 KB	0644	Edit Rename Delete
omap-hdmi-audio.h	971 B	0644	Edit Rename Delete
opl3.h	11.63 KB	0644	Edit Rename Delete
opl4.h	459 B	0644	Edit Rename Delete
pcm-indirect.h	5.04 KB	0644	Edit Rename Delete
pcm.h	51.92 KB	0644	Edit Rename Delete
pcm_drm_eld.h	183 B	0644	Edit Rename Delete
pcm_iec958.h	597 B	0644	Edit Rename Delete
pcm_oss.h	2.01 KB	0644	Edit Rename Delete
pcm_params.h	8.66 KB	0644	Edit Rename Delete
pt2258.h	513 B	0644	Edit Rename Delete
pxa2xx-lib.h	2.14 KB	0644	Edit Rename Delete
rawmidi.h	5.74 KB	0644	Edit Rename Delete
rt1015.h	283 B	0644	Edit Rename Delete
rt286.h	314 B	0644	Edit Rename Delete
rt298.h	373 B	0644	Edit Rename Delete
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rt5668.h	646 B	0644	Edit Rename Delete
rt5682.h	901 B	0644	Edit Rename Delete
s3c24xx_uda134x.h	229 B	0644	Edit Rename Delete
sb.h	10.3 KB	0644	Edit Rename Delete
sb16_csp.h	2.05 KB	0644	Edit Rename Delete
seq_device.h	2.11 KB	0644	Edit Rename Delete
seq_kernel.h	3.3 KB	0644	Edit Rename Delete
seq_midi_emul.h	6.6 KB	0644	Edit Rename Delete
seq_midi_event.h	1.32 KB	0644	Edit Rename Delete
seq_oss.h	2.21 KB	0644	Edit Rename Delete
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seq_virmidi.h	2.07 KB	0644	Edit Rename Delete
sh_dac_audio.h	441 B	0644	Edit Rename Delete
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simple_card.h	529 B	0644	Edit Rename Delete
simple_card_utils.h	8.16 KB	0644	Edit Rename Delete
snd_wavefront.h	5.57 KB	0644	Edit Rename Delete
soc-acpi-intel-match.h	2.03 KB	0644	Edit Rename Delete
soc-acpi.h	5.5 KB	0644	Edit Rename Delete
soc-card.h	2.88 KB	0644	Edit Rename Delete
soc-component.h	18.93 KB	0644	Edit Rename Delete
soc-dai.h	19.07 KB	0644	Edit Rename Delete
soc-dapm.h	32.18 KB	0644	Edit Rename Delete
soc-dpcm.h	5.39 KB	0644	Edit Rename Delete
soc-jack.h	3.73 KB	0644	Edit Rename Delete
soc-link.h	1.14 KB	0644	Edit Rename Delete
soc-topology.h	5.7 KB	0644	Edit Rename Delete
soc.h	46.64 KB	0644	Edit Rename Delete
sof.h	2.54 KB	0644	Edit Rename Delete
soundfont.h	3.81 KB	0644	Edit Rename Delete
spear_dma.h	350 B	0644	Edit Rename Delete
spear_spdif.h	345 B	0644	Edit Rename Delete
sta32x.h	1015 B	0644	Edit Rename Delete
sta350.h	1.44 KB	0644	Edit Rename Delete
tas2552-plat.h	283 B	0644	Edit Rename Delete
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tea6330t.h	468 B	0644	Edit Rename Delete
timer.h	4.99 KB	0644	Edit Rename Delete
tlv.h	1.59 KB	0644	Edit Rename Delete
tlv320aic32x4.h	1.29 KB	0644	Edit Rename Delete
tlv320aic3x.h	1.74 KB	0644	Edit Rename Delete
tlv320dac33-plat.h	574 B	0644	Edit Rename Delete
tpa6130a2-plat.h	291 B	0644	Edit Rename Delete
uda134x.h	451 B	0644	Edit Rename Delete
uda1380.h	335 B	0644	Edit Rename Delete
util_mem.h	1.58 KB	0644	Edit Rename Delete
vx_core.h	14.7 KB	0644	Edit Rename Delete
wavefront.h	18.08 KB	0644	Edit Rename Delete
wm0010.h	466 B	0644	Edit Rename Delete
wm1250-ev1.h	510 B	0644	Edit Rename Delete
wm2000.h	479 B	0644	Edit Rename Delete
wm2200.h	1.32 KB	0644	Edit Rename Delete
wm5100.h	1.1 KB	0644	Edit Rename Delete
wm8903.h	15.02 KB	0644	Edit Rename Delete
wm8904.h	7.22 KB	0644	Edit Rename Delete
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wm8960.h	888 B	0644	Edit Rename Delete
wm8962.h	1.65 KB	0644	Edit Rename Delete
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wm9081.h	515 B	0644	Edit Rename Delete
wm9090.h	634 B	0644	Edit Rename Delete
wss.h	7.76 KB	0644	Edit Rename Delete

Edit File:soc-dapm.h

/* SPDX-License-Identifier: GPL-2.0
 *
 * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management
 *
 * Author:	Liam Girdwood
 * Created:	Aug 11th 2005
 * Copyright:	Wolfson Microelectronics. PLC.
 */

#ifndef __LINUX_SND_SOC_DAPM_H
#define __LINUX_SND_SOC_DAPM_H

#include <linux/types.h>
#include <sound/control.h>
#include <sound/soc-topology.h>
#include <sound/asoc.h>

struct device;
struct snd_pcm_substream;
struct snd_soc_pcm_runtime;
struct soc_enum;

/* widget has no PM register bit */
#define SND_SOC_NOPM	-1

/*
 * SoC dynamic audio power management
 *
 * We can have up to 4 power domains
 *  1. Codec domain - VREF, VMID
 *     Usually controlled at codec probe/remove, although can be set
 *     at stream time if power is not needed for sidetone, etc.
 *  2. Platform/Machine domain - physically connected inputs and outputs
 *     Is platform/machine and user action specific, is set in the machine
 *     driver and by userspace e.g when HP are inserted
 *  3. Path domain - Internal codec path mixers
 *     Are automatically set when mixer and mux settings are
 *     changed by the user.
 *  4. Stream domain - DAC's and ADC's.
 *     Enabled when stream playback/capture is started.
 */

/* codec domain */
#define SND_SOC_DAPM_VMID(wname) \
{	.id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0}

/* platform domain */
#define SND_SOC_DAPM_SIGGEN(wname) \
{	.id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM }
#define SND_SOC_DAPM_SINK(wname) \
{	.id = snd_soc_dapm_sink, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM }
#define SND_SOC_DAPM_INPUT(wname) \
{	.id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM }
#define SND_SOC_DAPM_OUTPUT(wname) \
{	.id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM }
#define SND_SOC_DAPM_MIC(wname, wevent) \
{	.id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD}
#define SND_SOC_DAPM_HP(wname, wevent) \
{	.id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
#define SND_SOC_DAPM_SPK(wname, wevent) \
{	.id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
#define SND_SOC_DAPM_LINE(wname, wevent) \
{	.id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}

#define SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) \
	.reg = wreg, .mask = 1, .shift = wshift, \
	.on_val = winvert ? 0 : 1, .off_val = winvert ? 1 : 0

/* path domain */
#define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\
	 wcontrols, wncontrols) \
{	.id = snd_soc_dapm_pga, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
#define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\
	 wcontrols, wncontrols) \
{	.id = snd_soc_dapm_out_drv, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
#define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \
	 wcontrols, wncontrols)\
{	.id = snd_soc_dapm_mixer, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
#define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \
	 wcontrols, wncontrols)\
{       .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
/* DEPRECATED: use SND_SOC_DAPM_SUPPLY */
#define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \
{	.id = snd_soc_dapm_micbias, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = NULL, .num_kcontrols = 0}
#define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \
{	.id = snd_soc_dapm_switch, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = 1}
#define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \
{	.id = snd_soc_dapm_mux, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = 1}
#define SND_SOC_DAPM_DEMUX(wname, wreg, wshift, winvert, wcontrols) \
{	.id = snd_soc_dapm_demux, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = 1}

/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
#define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\
	 wcontrols) \
{	.id = snd_soc_dapm_pga, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}
#define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \
	 wcontrols)\
{	.id = snd_soc_dapm_mixer, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}
#define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \
	 wcontrols)\
{       .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}

/* path domain with event - event handler must return 0 for success */
#define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \
	wncontrols, wevent, wflags) \
{	.id = snd_soc_dapm_pga, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \
	.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \
	wncontrols, wevent, wflags) \
{	.id = snd_soc_dapm_out_drv, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \
	.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \
	wncontrols, wevent, wflags) \
{	.id = snd_soc_dapm_mixer, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \
	.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \
	wcontrols, wncontrols, wevent, wflags) \
{       .id = snd_soc_dapm_mixer, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, \
	.num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \
	wevent, wflags) \
{	.id = snd_soc_dapm_switch, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = 1, \
	.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \
	wevent, wflags) \
{	.id = snd_soc_dapm_mux, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = 1, \
	.event = wevent, .event_flags = wflags}

/* additional sequencing control within an event type */
#define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \
	wevent, wflags) \
{	.id = snd_soc_dapm_pga, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.event = wevent, .event_flags = wflags, \
	.subseq = wsubseq}
#define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \
	wflags)	\
{	.id = snd_soc_dapm_supply, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.event = wevent, .event_flags = wflags, .subseq = wsubseq}

/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
#define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \
	wevent, wflags) \
{	.id = snd_soc_dapm_pga, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
	.event = wevent, .event_flags = wflags}
#define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \
	wevent, wflags) \
{	.id = snd_soc_dapm_mixer, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
	.event = wevent, .event_flags = wflags}
#define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \
	wcontrols, wevent, wflags) \
{       .id = snd_soc_dapm_mixer, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
	.event = wevent, .event_flags = wflags}

/* events that are pre and post DAPM */
#define SND_SOC_DAPM_PRE(wname, wevent) \
{	.id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD}
#define SND_SOC_DAPM_POST(wname, wevent) \
{	.id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \
	.num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD}

/* stream domain */
#define SND_SOC_DAPM_AIF_IN(wname, stname, wchan, wreg, wshift, winvert) \
{	.id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \
	.channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), }
#define SND_SOC_DAPM_AIF_IN_E(wname, stname, wchan, wreg, wshift, winvert, \
			      wevent, wflags)				\
{	.id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \
	.channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.event = wevent, .event_flags = wflags }
#define SND_SOC_DAPM_AIF_OUT(wname, stname, wchan, wreg, wshift, winvert) \
{	.id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \
	.channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), }
#define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wchan, wreg, wshift, winvert, \
			     wevent, wflags)				\
{	.id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \
	.channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.event = wevent, .event_flags = wflags }
#define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \
{	.id = snd_soc_dapm_dac, .name = wname, .sname = stname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) }
#define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \
			   wevent, wflags)				\
{	.id = snd_soc_dapm_dac, .name = wname, .sname = stname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.event = wevent, .event_flags = wflags}

#define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \
{	.id = snd_soc_dapm_adc, .name = wname, .sname = stname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), }
#define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \
			   wevent, wflags)				\
{	.id = snd_soc_dapm_adc, .name = wname, .sname = stname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \
{	.id = snd_soc_dapm_clock_supply, .name = wname, \
	.reg = SND_SOC_NOPM, .event = dapm_clock_event, \
	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }

/* generic widgets */
#define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \
{	.id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \
	.reg = wreg, .shift = wshift, .mask = wmask, \
	.on_val = won_val, .off_val = woff_val, }
#define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \
{	.id = snd_soc_dapm_supply, .name = wname, \
	SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
	.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags)	    \
{	.id = snd_soc_dapm_regulator_supply, .name = wname, \
	.reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \
	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
	.on_val = wflags}
#define SND_SOC_DAPM_PINCTRL(wname, active, sleep) \
{	.id = snd_soc_dapm_pinctrl, .name = wname, \
	.priv = (&(struct snd_soc_dapm_pinctrl_priv) \
		{ .active_state = active, .sleep_state = sleep,}), \
	.reg = SND_SOC_NOPM, .event = dapm_pinctrl_event, \
	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }

/* dapm kcontrol types */
#define SOC_DAPM_DOUBLE(xname, reg, lshift, rshift, max, invert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, \
	.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
	.private_value = SOC_DOUBLE_VALUE(reg, lshift, rshift, max, invert, 0) }
#define SOC_DAPM_DOUBLE_R(xname, lreg, rreg, shift, max, invert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, \
	.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
	.private_value = SOC_DOUBLE_R_VALUE(lreg, rreg, shift, max, invert) }
#define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, \
	.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
#define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, \
	.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) }
#define SOC_DAPM_SINGLE_VIRT(xname, max) \
	SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0)
#define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
#define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) }
#define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \
	SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array)
#define SOC_DAPM_ENUM(xname, xenum) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_enum_double, \
 	.get = snd_soc_dapm_get_enum_double, \
 	.put = snd_soc_dapm_put_enum_double, \
  	.private_value = (unsigned long)&xenum }
#define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_enum_double, \
	.get = xget, \
	.put = xput, \
	.private_value = (unsigned long)&xenum }
#define SOC_DAPM_PIN_SWITCH(xname) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \
	.info = snd_soc_dapm_info_pin_switch, \
	.get = snd_soc_dapm_get_pin_switch, \
	.put = snd_soc_dapm_put_pin_switch, \
	.private_value = (unsigned long)xname }

/* dapm stream operations */
#define SND_SOC_DAPM_STREAM_NOP			0x0
#define SND_SOC_DAPM_STREAM_START		0x1
#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_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)

/* 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))

/* regulator widget flags */
#define SND_SOC_DAPM_REGULATOR_BYPASS     0x1     /* bypass when disabled */

struct snd_soc_dapm_widget;
enum snd_soc_dapm_type;
struct snd_soc_dapm_path;
struct snd_soc_dapm_pin;
struct snd_soc_dapm_route;
struct snd_soc_dapm_context;
struct regulator;
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,
			 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_get_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *uncontrol);
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);
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_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);

/* 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);
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,
			    const struct snd_soc_dapm_route *route, int num);
int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
			     const struct snd_soc_dapm_route *route, int num);
void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w);
void snd_soc_dapm_reset_cache(struct snd_soc_dapm_context *dapm);

/* dapm events */
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);
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);

/* 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_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_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);
unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol);

/* Mostly internal - should not normally be used */
void dapm_mark_endpoints_dirty(struct snd_soc_card *card);

/* 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));
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_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);

/* 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_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_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_supply,		/* power/clock supply */
	snd_soc_dapm_pinctrl,		/* pinctrl */
	snd_soc_dapm_regulator_supply,	/* external regulator */
	snd_soc_dapm_clock_supply,	/* external clock */
	snd_soc_dapm_aif_in,		/* audio interface input */
	snd_soc_dapm_aif_out,		/* audio interface output */
	snd_soc_dapm_siggen,		/* signal generator */
	snd_soc_dapm_sink,
	snd_soc_dapm_dai_in,		/* link to DAI structure */
	snd_soc_dapm_dai_out,
	snd_soc_dapm_dai_link,		/* link between two DAI structures */
	snd_soc_dapm_kcontrol,		/* Auto-disabled kcontrol */
	snd_soc_dapm_buffer,		/* DSP/CODEC internal buffer */
	snd_soc_dapm_scheduler,		/* DSP/CODEC internal scheduler */
	snd_soc_dapm_effect,		/* DSP/CODEC effect component */
	snd_soc_dapm_src,		/* DSP/CODEC SRC component */
	snd_soc_dapm_asrc,		/* DSP/CODEC ASRC component */
	snd_soc_dapm_encoder,		/* FW/SW audio encoder component */
	snd_soc_dapm_decoder,		/* FW/SW audio decoder component */

/* Don't edit below this line */
	SND_SOC_DAPM_TYPE_COUNT
};

enum snd_soc_dapm_subclass {
	SND_SOC_DAPM_CLASS_INIT		= 0,
	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
};

/*
 * DAPM audio route definition.
 *
 * Defines an audio route originating at source via control and finishing
 * at sink.
 */
struct snd_soc_dapm_route {
	const char *sink;
	const char *control;
	const char *source;

/* Note: currently only supported for links where source is a supply */
	int (*connected)(struct snd_soc_dapm_widget *source,
			 struct snd_soc_dapm_widget *sink);

struct snd_soc_dobj dobj;
};

/* dapm audio path between two widgets */
struct snd_soc_dapm_path {
	const char *name;

/*
	 * source (input) and sink (output) widgets
	 * The union is for convience, since it is a lot nicer to type
	 * p->source, rather than p->node[SND_SOC_DAPM_DIR_IN]
	 */
	union {
		struct {
			struct snd_soc_dapm_widget *source;
			struct snd_soc_dapm_widget *sink;
		};
		struct snd_soc_dapm_widget *node[2];
	};

/* 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 is_supply:1;	/* At least one of the connected widgets is a supply */

int (*connected)(struct snd_soc_dapm_widget *source,
			 struct snd_soc_dapm_widget *sink);

struct list_head list_node[2];
	struct list_head list_kcontrol;
	struct list_head list;
};

/* dapm widget */
struct snd_soc_dapm_widget {
	enum snd_soc_dapm_type id;
	const char *name;		/* widget name */
	const char *sname;	/* stream name */
	struct list_head list;
	struct snd_soc_dapm_context *dapm;

void *priv;				/* widget specific data */
	struct regulator *regulator;		/* attached regulator */
	struct pinctrl *pinctrl;		/* attached pinctrl */

/* dapm control */
	int reg;				/* negative reg = no direct dapm */
	unsigned char shift;			/* bits to shift */
	unsigned int mask;			/* non-shifted mask */
	unsigned int on_val;			/* on state value */
	unsigned int off_val;			/* off state value */
	unsigned char power:1;			/* block power status */
	unsigned char active:1;			/* active stream on DAC, ADC's */
	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 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 */
	unsigned char is_ep:2;			/* Widget is a endpoint type widget */
	int subseq;				/* sort within widget type */

int (*power_check)(struct snd_soc_dapm_widget *w);

/* external events */
	unsigned short event_flags;		/* flags to specify event types */
	int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int);

/* kcontrols that relate to this widget */
	int num_kcontrols;
	const struct snd_kcontrol_new *kcontrol_news;
	struct snd_kcontrol **kcontrols;
	struct snd_soc_dobj dobj;

/* widget input and output edges */
	struct list_head edges[2];

/* used during DAPM updates */
	struct list_head work_list;
	struct list_head power_list;
	struct list_head dirty;
	int endpoints[2];

struct clk *clk;

int channel;
};

struct snd_soc_dapm_update {
	struct snd_kcontrol *kcontrol;
	int reg;
	int mask;
	int val;
	int reg2;
	int mask2;
	int val2;
	bool has_second_set;
};

struct snd_soc_dapm_wcache {
	struct snd_soc_dapm_widget *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 */

/* used during DAPM updates */
	enum snd_soc_bias_level target_bias_level;
	struct list_head list;

struct snd_soc_dapm_wcache path_sink_cache;
	struct snd_soc_dapm_wcache path_source_cache;

#ifdef CONFIG_DEBUG_FS
	struct dentry *debugfs_dapm;
#endif
};

/* 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[];
};

#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;
	int neighbour_checks;
};

struct snd_soc_dapm_pinctrl_priv {
	const char *active_state;
	const char *sleep_state;
};

/**
 * snd_soc_dapm_init_bias_level() - Initialize DAPM bias level
 * @dapm: The DAPM context to initialize
 * @level: The DAPM level to initialize to
 *
 * This function only sets the driver internal state of the DAPM level and will
 * not modify the state of the device. Hence it should not be used during normal
 * operation, but only to synchronize the internal state to the device state.
 * E.g. during driver probe to set the DAPM level to the one corresponding with
 * the power-on reset state of the device.
 *
 * To change the DAPM state of the device use snd_soc_dapm_set_bias_level().
 */
static inline void snd_soc_dapm_init_bias_level(
	struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level)
{
	dapm->bias_level = level;
}

/**
 * snd_soc_dapm_get_bias_level() - Get current DAPM bias level
 * @dapm: The context for which to get the bias level
 *
 * Returns: The current bias level of the passed DAPM context.
 */
static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level(
	struct snd_soc_dapm_context *dapm)
{
	return dapm->bias_level;
}

enum snd_soc_dapm_direction {
	SND_SOC_DAPM_DIR_IN,
	SND_SOC_DAPM_DIR_OUT
};

#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)

/**
 * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths in the
 *   specified direction of a widget
 * @w: The widget
 * @dir: Whether to iterate over the paths where the specified widget is the
 *       incoming or outgoing widgets
 * @p: The path iterator variable
 */
#define snd_soc_dapm_widget_for_each_path(w, dir, p) \
	list_for_each_entry(p, &w->edges[dir], list_node[dir])

/**
 * snd_soc_dapm_widget_for_each_sink_path_safe - Iterates over all paths in the
 *   specified direction of a widget
 * @w: The widget
 * @dir: Whether to iterate over the paths where the specified widget is the
 *       incoming or outgoing widgets
 * @p: The path iterator variable
 * @next_p: Temporary storage for the next path
 *
 *  This function works like snd_soc_dapm_widget_for_each_sink_path, expect that
 *  it is safe to remove the current path from the list while iterating
 */
#define snd_soc_dapm_widget_for_each_path_safe(w, dir, p, next_p) \
	list_for_each_entry_safe(p, next_p, &w->edges[dir], list_node[dir])

/**
 * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths leaving a
 *  widget
 * @w: The widget
 * @p: The path iterator variable
 */
#define snd_soc_dapm_widget_for_each_sink_path(w, p) \
	snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_IN, p)

/**
 * snd_soc_dapm_widget_for_each_source_path - Iterates over all paths leading to
 *  a widget
 * @w: The widget
 * @p: The path iterator variable
 */
#define snd_soc_dapm_widget_for_each_source_path(w, p) \
	snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_OUT, p)

#endif

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