Applied "ASoC: max98090: revert invalid fix for handling SHDN" to the asoc tree

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The patch

   ASoC: max98090: revert invalid fix for handling SHDN

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 4b8a1ca4628343829f373bf0d4e087fe50c451e5 Mon Sep 17 00:00:00 2001
From: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
Date: Fri, 14 Feb 2020 18:57:42 +0800
Subject: [PATCH] ASoC: max98090: revert invalid fix for handling SHDN

Reverts commit 62d5ae4cafb7 ("ASoC: max98090: save and restore
SHDN when changing sensitive registers").

A critical side-effect was observed: when keep playing something,
the recorded sound has chance to break (clipping).

Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200214105744.82258-2-tzungbi@xxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/codecs/max98090.c | 434 ++++++++++--------------------------
 sound/soc/codecs/max98090.h |   3 +-
 2 files changed, 124 insertions(+), 313 deletions(-)

diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 5bc2c6411b33..032adc14562d 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -5,150 +5,24 @@
  * Copyright 2011-2012 Maxim Integrated Products
  */
 
-#include <linux/acpi.h>
-#include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/module.h>
-#include <linux/mutex.h>
 #include <linux/of.h>
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
+#include <linux/acpi.h>
+#include <linux/clk.h>
 #include <sound/jack.h>
-#include <sound/max98090.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/tlv.h>
+#include <sound/max98090.h>
 #include "max98090.h"
 
-static void max98090_shdn_save_locked(struct max98090_priv *max98090)
-{
-	int shdn = 0;
-
-	/* saved_shdn, saved_count, SHDN are protected by card->dapm_mutex */
-	regmap_read(max98090->regmap, M98090_REG_DEVICE_SHUTDOWN, &shdn);
-	max98090->saved_shdn |= shdn;
-	++max98090->saved_count;
-
-	if (shdn)
-		regmap_write(max98090->regmap, M98090_REG_DEVICE_SHUTDOWN, 0x0);
-}
-
-static void max98090_shdn_restore_locked(struct max98090_priv *max98090)
-{
-	/* saved_shdn, saved_count, SHDN are protected by card->dapm_mutex */
-	if (--max98090->saved_count == 0) {
-		if (max98090->saved_shdn) {
-			regmap_write(max98090->regmap,
-				     M98090_REG_DEVICE_SHUTDOWN,
-				     M98090_SHDNN_MASK);
-			max98090->saved_shdn = 0;
-		}
-	}
-}
-
-static void max98090_shdn_save(struct max98090_priv *max98090)
-{
-	mutex_lock_nested(&max98090->component->card->dapm_mutex,
-			  SND_SOC_DAPM_CLASS_RUNTIME);
-	max98090_shdn_save_locked(max98090);
-}
-
-static void max98090_shdn_restore(struct max98090_priv *max98090)
-{
-	max98090_shdn_restore_locked(max98090);
-	mutex_unlock(&max98090->component->card->dapm_mutex);
-}
-
-static int max98090_put_volsw(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_component *component =
-		snd_soc_kcontrol_component(kcontrol);
-	struct max98090_priv *max98090 =
-		snd_soc_component_get_drvdata(component);
-	int ret;
-
-	max98090_shdn_save(max98090);
-	ret = snd_soc_put_volsw(kcontrol, ucontrol);
-	max98090_shdn_restore(max98090);
-
-	return ret;
-}
-
-static int max98090_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_component *component =
-		snd_soc_dapm_kcontrol_component(kcontrol);
-	struct max98090_priv *max98090 =
-		snd_soc_component_get_drvdata(component);
-	int ret;
-
-	max98090_shdn_save(max98090);
-	ret = snd_soc_dapm_put_enum_double_locked(kcontrol, ucontrol);
-	max98090_shdn_restore(max98090);
-
-	return ret;
-}
-
-static int max98090_put_enum_double(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_component *component =
-		snd_soc_kcontrol_component(kcontrol);
-	struct max98090_priv *max98090 =
-		snd_soc_component_get_drvdata(component);
-	int ret;
-
-	max98090_shdn_save(max98090);
-	ret = snd_soc_put_enum_double(kcontrol, ucontrol);
-	max98090_shdn_restore(max98090);
-
-	return ret;
-}
-
-static int max98090_bytes_put(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_component *component =
-		snd_soc_kcontrol_component(kcontrol);
-	struct max98090_priv *max98090 =
-		snd_soc_component_get_drvdata(component);
-	int ret;
-
-	max98090_shdn_save(max98090);
-	ret = snd_soc_bytes_put(kcontrol, ucontrol);
-	max98090_shdn_restore(max98090);
-
-	return ret;
-}
-
-static int max98090_dapm_event(struct snd_soc_dapm_widget *w,
-	struct snd_kcontrol *kcontrol, int event)
-{
-	struct snd_soc_component *component =
-		snd_soc_dapm_to_component(w->dapm);
-	struct max98090_priv *max98090 =
-		snd_soc_component_get_drvdata(component);
-
-	switch (event) {
-	case SND_SOC_DAPM_PRE_PMU:
-	case SND_SOC_DAPM_PRE_PMD:
-		max98090_shdn_save_locked(max98090);
-		break;
-	case SND_SOC_DAPM_POST_PMU:
-	case SND_SOC_DAPM_POST_PMD:
-		max98090_shdn_restore_locked(max98090);
-		break;
-	}
-
-	return 0;
-}
-
 /* Allows for sparsely populated register maps */
 static const struct reg_default max98090_reg[] = {
 	{ 0x00, 0x00 }, /* 00 Software Reset */
@@ -632,13 +506,10 @@ static SOC_ENUM_SINGLE_DECL(max98090_adchp_enum,
 			    max98090_pwr_perf_text);
 
 static const struct snd_kcontrol_new max98090_snd_controls[] = {
-	SOC_ENUM_EXT("MIC Bias VCM Bandgap", max98090_vcmbandgap_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
+	SOC_ENUM("MIC Bias VCM Bandgap", max98090_vcmbandgap_enum),
 
-	SOC_SINGLE_EXT("DMIC MIC Comp Filter Config",
-		M98090_REG_DIGITAL_MIC_CONFIG,
-		M98090_DMIC_COMP_SHIFT, M98090_DMIC_COMP_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
+	SOC_SINGLE("DMIC MIC Comp Filter Config", M98090_REG_DIGITAL_MIC_CONFIG,
+		M98090_DMIC_COMP_SHIFT, M98090_DMIC_COMP_NUM - 1, 0),
 
 	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
 		M98090_REG_MIC1_INPUT_LEVEL, M98090_MIC_PA1EN_SHIFT,
@@ -693,34 +564,24 @@ static const struct snd_kcontrol_new max98090_snd_controls[] = {
 		M98090_AVR_SHIFT, M98090_AVR_NUM - 1, 1,
 		max98090_av_tlv),
 
-	SOC_ENUM_EXT("ADC Oversampling Rate", max98090_osr128_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-	SOC_SINGLE_EXT("ADC Quantizer Dither", M98090_REG_ADC_CONTROL,
-		M98090_ADCDITHER_SHIFT, M98090_ADCDITHER_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_ENUM_EXT("ADC High Performance Mode", max98090_adchp_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-
-	SOC_SINGLE_EXT("DAC Mono Mode", M98090_REG_IO_CONFIGURATION,
-		M98090_DMONO_SHIFT, M98090_DMONO_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_SINGLE_EXT("SDIN Mode", M98090_REG_IO_CONFIGURATION,
-		M98090_SDIEN_SHIFT, M98090_SDIEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_SINGLE_EXT("SDOUT Mode", M98090_REG_IO_CONFIGURATION,
-		M98090_SDOEN_SHIFT, M98090_SDOEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_SINGLE_EXT("SDOUT Hi-Z Mode", M98090_REG_IO_CONFIGURATION,
-		M98090_HIZOFF_SHIFT, M98090_HIZOFF_NUM - 1, 1,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_ENUM_EXT("Filter Mode", max98090_mode_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-	SOC_SINGLE_EXT("Record Path DC Blocking", M98090_REG_FILTER_CONFIG,
-		M98090_AHPF_SHIFT, M98090_AHPF_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_SINGLE_EXT("Playback Path DC Blocking", M98090_REG_FILTER_CONFIG,
-		M98090_DHPF_SHIFT, M98090_DHPF_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
+	SOC_ENUM("ADC Oversampling Rate", max98090_osr128_enum),
+	SOC_SINGLE("ADC Quantizer Dither", M98090_REG_ADC_CONTROL,
+		M98090_ADCDITHER_SHIFT, M98090_ADCDITHER_NUM - 1, 0),
+	SOC_ENUM("ADC High Performance Mode", max98090_adchp_enum),
+
+	SOC_SINGLE("DAC Mono Mode", M98090_REG_IO_CONFIGURATION,
+		M98090_DMONO_SHIFT, M98090_DMONO_NUM - 1, 0),
+	SOC_SINGLE("SDIN Mode", M98090_REG_IO_CONFIGURATION,
+		M98090_SDIEN_SHIFT, M98090_SDIEN_NUM - 1, 0),
+	SOC_SINGLE("SDOUT Mode", M98090_REG_IO_CONFIGURATION,
+		M98090_SDOEN_SHIFT, M98090_SDOEN_NUM - 1, 0),
+	SOC_SINGLE("SDOUT Hi-Z Mode", M98090_REG_IO_CONFIGURATION,
+		M98090_HIZOFF_SHIFT, M98090_HIZOFF_NUM - 1, 1),
+	SOC_ENUM("Filter Mode", max98090_mode_enum),
+	SOC_SINGLE("Record Path DC Blocking", M98090_REG_FILTER_CONFIG,
+		M98090_AHPF_SHIFT, M98090_AHPF_NUM - 1, 0),
+	SOC_SINGLE("Playback Path DC Blocking", M98090_REG_FILTER_CONFIG,
+		M98090_DHPF_SHIFT, M98090_DHPF_NUM - 1, 0),
 	SOC_SINGLE_TLV("Digital BQ Volume", M98090_REG_ADC_BIQUAD_LEVEL,
 		M98090_AVBQ_SHIFT, M98090_AVBQ_NUM - 1, 1, max98090_dv_tlv),
 	SOC_SINGLE_EXT_TLV("Digital Sidetone Volume",
@@ -733,17 +594,13 @@ static const struct snd_kcontrol_new max98090_snd_controls[] = {
 	SOC_SINGLE_TLV("Digital Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
 		M98090_DV_SHIFT, M98090_DV_NUM - 1, 1,
 		max98090_dv_tlv),
-	SND_SOC_BYTES_E("EQ Coefficients", M98090_REG_EQUALIZER_BASE, 105,
-		snd_soc_bytes_get, max98090_bytes_put),
-	SOC_SINGLE_EXT("Digital EQ 3 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
-		M98090_EQ3BANDEN_SHIFT, M98090_EQ3BANDEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_SINGLE_EXT("Digital EQ 5 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
-		M98090_EQ5BANDEN_SHIFT, M98090_EQ5BANDEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_SINGLE_EXT("Digital EQ 7 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
-		M98090_EQ7BANDEN_SHIFT, M98090_EQ7BANDEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
+	SND_SOC_BYTES("EQ Coefficients", M98090_REG_EQUALIZER_BASE, 105),
+	SOC_SINGLE("Digital EQ 3 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
+		M98090_EQ3BANDEN_SHIFT, M98090_EQ3BANDEN_NUM - 1, 0),
+	SOC_SINGLE("Digital EQ 5 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
+		M98090_EQ5BANDEN_SHIFT, M98090_EQ5BANDEN_NUM - 1, 0),
+	SOC_SINGLE("Digital EQ 7 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
+		M98090_EQ7BANDEN_SHIFT, M98090_EQ7BANDEN_NUM - 1, 0),
 	SOC_SINGLE("Digital EQ Clipping Detection", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
 		M98090_EQCLPN_SHIFT, M98090_EQCLPN_NUM - 1,
 		1),
@@ -751,34 +608,25 @@ static const struct snd_kcontrol_new max98090_snd_controls[] = {
 		M98090_DVEQ_SHIFT, M98090_DVEQ_NUM - 1, 1,
 		max98090_dv_tlv),
 
-	SOC_SINGLE_EXT("ALC Enable", M98090_REG_DRC_TIMING,
-		M98090_DRCEN_SHIFT, M98090_DRCEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
-	SOC_ENUM_EXT("ALC Attack Time", max98090_drcatk_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-	SOC_ENUM_EXT("ALC Release Time", max98090_drcrls_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
+	SOC_SINGLE("ALC Enable", M98090_REG_DRC_TIMING,
+		M98090_DRCEN_SHIFT, M98090_DRCEN_NUM - 1, 0),
+	SOC_ENUM("ALC Attack Time", max98090_drcatk_enum),
+	SOC_ENUM("ALC Release Time", max98090_drcrls_enum),
 	SOC_SINGLE_TLV("ALC Make Up Volume", M98090_REG_DRC_GAIN,
 		M98090_DRCG_SHIFT, M98090_DRCG_NUM - 1, 0,
 		max98090_alcmakeup_tlv),
-	SOC_ENUM_EXT("ALC Compression Ratio", max98090_alccmp_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-	SOC_ENUM_EXT("ALC Expansion Ratio", max98090_drcexp_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-	SOC_SINGLE_EXT_TLV("ALC Compression Threshold Volume",
+	SOC_ENUM("ALC Compression Ratio", max98090_alccmp_enum),
+	SOC_ENUM("ALC Expansion Ratio", max98090_drcexp_enum),
+	SOC_SINGLE_TLV("ALC Compression Threshold Volume",
 		M98090_REG_DRC_COMPRESSOR, M98090_DRCTHC_SHIFT,
-		M98090_DRCTHC_NUM - 1, 1,
-		snd_soc_get_volsw, max98090_put_volsw, max98090_alccomp_tlv),
-	SOC_SINGLE_EXT_TLV("ALC Expansion Threshold Volume",
+		M98090_DRCTHC_NUM - 1, 1, max98090_alccomp_tlv),
+	SOC_SINGLE_TLV("ALC Expansion Threshold Volume",
 		M98090_REG_DRC_EXPANDER, M98090_DRCTHE_SHIFT,
-		M98090_DRCTHE_NUM - 1, 1,
-		snd_soc_get_volsw, max98090_put_volsw, max98090_drcexp_tlv),
+		M98090_DRCTHE_NUM - 1, 1, max98090_drcexp_tlv),
 
-	SOC_ENUM_EXT("DAC HP Playback Performance Mode",
-		max98090_dac_perfmode_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-	SOC_ENUM_EXT("DAC High Performance Mode", max98090_dachp_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
+	SOC_ENUM("DAC HP Playback Performance Mode",
+		max98090_dac_perfmode_enum),
+	SOC_ENUM("DAC High Performance Mode", max98090_dachp_enum),
 
 	SOC_SINGLE_TLV("Headphone Left Mixer Volume",
 		M98090_REG_HP_CONTROL, M98090_MIXHPLG_SHIFT,
@@ -836,12 +684,9 @@ static const struct snd_kcontrol_new max98090_snd_controls[] = {
 	SOC_SINGLE("Volume Adjustment Smoothing", M98090_REG_LEVEL_CONTROL,
 		M98090_VSENN_SHIFT, M98090_VSENN_NUM - 1, 1),
 
-	SND_SOC_BYTES_E("Biquad Coefficients",
-		M98090_REG_RECORD_BIQUAD_BASE, 15,
-		snd_soc_bytes_get, max98090_bytes_put),
-	SOC_SINGLE_EXT("Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
-		M98090_ADCBQEN_SHIFT, M98090_ADCBQEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
+	SND_SOC_BYTES("Biquad Coefficients", M98090_REG_RECORD_BIQUAD_BASE, 15),
+	SOC_SINGLE("Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
+		M98090_ADCBQEN_SHIFT, M98090_ADCBQEN_NUM - 1, 0),
 };
 
 static const struct snd_kcontrol_new max98091_snd_controls[] = {
@@ -850,12 +695,10 @@ static const struct snd_kcontrol_new max98091_snd_controls[] = {
 		M98090_DMIC34_ZEROPAD_SHIFT,
 		M98090_DMIC34_ZEROPAD_NUM - 1, 0),
 
-	SOC_ENUM_EXT("Filter DMIC34 Mode", max98090_filter_dmic34mode_enum,
-		snd_soc_get_enum_double, max98090_put_enum_double),
-	SOC_SINGLE_EXT("DMIC34 DC Blocking", M98090_REG_FILTER_CONFIG,
+	SOC_ENUM("Filter DMIC34 Mode", max98090_filter_dmic34mode_enum),
+	SOC_SINGLE("DMIC34 DC Blocking", M98090_REG_FILTER_CONFIG,
 		M98090_FLT_DMIC34HPF_SHIFT,
-		M98090_FLT_DMIC34HPF_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
+		M98090_FLT_DMIC34HPF_NUM - 1, 0),
 
 	SOC_SINGLE_TLV("DMIC3 Boost Volume", M98090_REG_DMIC3_VOLUME,
 		M98090_DMIC_AV3G_SHIFT, M98090_DMIC_AV3G_NUM - 1, 0,
@@ -873,9 +716,8 @@ static const struct snd_kcontrol_new max98091_snd_controls[] = {
 
 	SND_SOC_BYTES("DMIC34 Biquad Coefficients",
 		M98090_REG_DMIC34_BIQUAD_BASE, 15),
-	SOC_SINGLE_EXT("DMIC34 Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
-		M98090_DMIC34BQEN_SHIFT, M98090_DMIC34BQEN_NUM - 1, 0,
-		snd_soc_get_volsw, max98090_put_volsw),
+	SOC_SINGLE("DMIC34 Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
+		M98090_DMIC34BQEN_SHIFT, M98090_DMIC34BQEN_NUM - 1, 0),
 
 	SOC_SINGLE_TLV("DMIC34 BQ PreAttenuation Volume",
 		M98090_REG_DMIC34_BQ_PREATTEN, M98090_AV34BQ_SHIFT,
@@ -929,6 +771,19 @@ static int max98090_micinput_event(struct snd_soc_dapm_widget *w,
 	return 0;
 }
 
+static int max98090_shdn_event(struct snd_soc_dapm_widget *w,
+				 struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
+
+	if (event & SND_SOC_DAPM_POST_PMU)
+		max98090->shdn_pending = true;
+
+	return 0;
+
+}
+
 static const char *mic1_mux_text[] = { "IN12", "IN56" };
 
 static SOC_ENUM_SINGLE_DECL(mic1_mux_enum,
@@ -1029,14 +884,10 @@ static SOC_ENUM_SINGLE_DECL(ltenr_mux_enum,
 			    lten_mux_text);
 
 static const struct snd_kcontrol_new max98090_ltenl_mux =
-	SOC_DAPM_ENUM_EXT("LTENL Mux", ltenl_mux_enum,
-			  snd_soc_dapm_get_enum_double,
-			  max98090_dapm_put_enum_double);
+	SOC_DAPM_ENUM("LTENL Mux", ltenl_mux_enum);
 
 static const struct snd_kcontrol_new max98090_ltenr_mux =
-	SOC_DAPM_ENUM_EXT("LTENR Mux", ltenr_mux_enum,
-			  snd_soc_dapm_get_enum_double,
-			  max98090_dapm_put_enum_double);
+	SOC_DAPM_ENUM("LTENR Mux", ltenr_mux_enum);
 
 static const char *lben_mux_text[] = { "Normal", "Loopback" };
 
@@ -1051,14 +902,10 @@ static SOC_ENUM_SINGLE_DECL(lbenr_mux_enum,
 			    lben_mux_text);
 
 static const struct snd_kcontrol_new max98090_lbenl_mux =
-	SOC_DAPM_ENUM_EXT("LBENL Mux", lbenl_mux_enum,
-			  snd_soc_dapm_get_enum_double,
-			  max98090_dapm_put_enum_double);
+	SOC_DAPM_ENUM("LBENL Mux", lbenl_mux_enum);
 
 static const struct snd_kcontrol_new max98090_lbenr_mux =
-	SOC_DAPM_ENUM_EXT("LBENR Mux", lbenr_mux_enum,
-			  snd_soc_dapm_get_enum_double,
-			  max98090_dapm_put_enum_double);
+	SOC_DAPM_ENUM("LBENR Mux", lbenr_mux_enum);
 
 static const char *stenl_mux_text[] = { "Normal", "Sidetone Left" };
 
@@ -1225,25 +1072,21 @@ static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
 	SND_SOC_DAPM_INPUT("IN56"),
 
 	SND_SOC_DAPM_SUPPLY("MICBIAS", M98090_REG_INPUT_ENABLE,
-		M98090_MBEN_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		M98090_MBEN_SHIFT, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("SHDN", M98090_REG_DEVICE_SHUTDOWN,
 		M98090_SHDNN_SHIFT, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("SDIEN", M98090_REG_IO_CONFIGURATION,
-		M98090_SDIEN_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		M98090_SDIEN_SHIFT, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("SDOEN", M98090_REG_IO_CONFIGURATION,
-		M98090_SDOEN_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		M98090_SDOEN_SHIFT, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("DMICL_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
-		M98090_DIGMICL_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		 M98090_DIGMICL_SHIFT, 0, max98090_shdn_event,
+			SND_SOC_DAPM_POST_PMU),
 	SND_SOC_DAPM_SUPPLY("DMICR_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
-		M98090_DIGMICR_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		 M98090_DIGMICR_SHIFT, 0, max98090_shdn_event,
+			 SND_SOC_DAPM_POST_PMU),
 	SND_SOC_DAPM_SUPPLY("AHPF", M98090_REG_FILTER_CONFIG,
-		M98090_AHPF_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		M98090_AHPF_SHIFT, 0, NULL, 0),
 
 /*
  * Note: Sysclk and misc power supplies are taken care of by SHDN
@@ -1273,12 +1116,10 @@ static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
 		&max98090_lineb_mixer_controls[0],
 		ARRAY_SIZE(max98090_lineb_mixer_controls)),
 
-	SND_SOC_DAPM_PGA_E("LINEA Input", M98090_REG_INPUT_ENABLE,
-		M98090_LINEAEN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
-	SND_SOC_DAPM_PGA_E("LINEB Input", M98090_REG_INPUT_ENABLE,
-		M98090_LINEBEN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+	SND_SOC_DAPM_PGA("LINEA Input", M98090_REG_INPUT_ENABLE,
+		M98090_LINEAEN_SHIFT, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("LINEB Input", M98090_REG_INPUT_ENABLE,
+		M98090_LINEBEN_SHIFT, 0, NULL, 0),
 
 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
 		&max98090_left_adc_mixer_controls[0],
@@ -1289,11 +1130,11 @@ static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
 		ARRAY_SIZE(max98090_right_adc_mixer_controls)),
 
 	SND_SOC_DAPM_ADC_E("ADCL", NULL, M98090_REG_INPUT_ENABLE,
-		M98090_ADLEN_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		M98090_ADLEN_SHIFT, 0, max98090_shdn_event,
+		SND_SOC_DAPM_POST_PMU),
 	SND_SOC_DAPM_ADC_E("ADCR", NULL, M98090_REG_INPUT_ENABLE,
-		M98090_ADREN_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		M98090_ADREN_SHIFT, 0, max98090_shdn_event,
+		SND_SOC_DAPM_POST_PMU),
 
 	SND_SOC_DAPM_AIF_OUT("AIFOUTL", "HiFi Capture", 0,
 		SND_SOC_NOPM, 0, 0),
@@ -1321,12 +1162,10 @@ static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
 	SND_SOC_DAPM_AIF_IN("AIFINL", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("AIFINR", "HiFi Playback", 1, SND_SOC_NOPM, 0, 0),
 
-	SND_SOC_DAPM_DAC_E("DACL", NULL, M98090_REG_OUTPUT_ENABLE,
-		M98090_DALEN_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
-	SND_SOC_DAPM_DAC_E("DACR", NULL, M98090_REG_OUTPUT_ENABLE,
-		M98090_DAREN_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+	SND_SOC_DAPM_DAC("DACL", NULL, M98090_REG_OUTPUT_ENABLE,
+		M98090_DALEN_SHIFT, 0),
+	SND_SOC_DAPM_DAC("DACR", NULL, M98090_REG_OUTPUT_ENABLE,
+		M98090_DAREN_SHIFT, 0),
 
 	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
 		&max98090_left_hp_mixer_controls[0],
@@ -1361,26 +1200,20 @@ static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
 	SND_SOC_DAPM_MUX("MIXHPRSEL Mux", SND_SOC_NOPM, 0, 0,
 		&max98090_mixhprsel_mux),
 
-	SND_SOC_DAPM_PGA_E("HP Left Out", M98090_REG_OUTPUT_ENABLE,
-		M98090_HPLEN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
-	SND_SOC_DAPM_PGA_E("HP Right Out", M98090_REG_OUTPUT_ENABLE,
-		M98090_HPREN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
-
-	SND_SOC_DAPM_PGA_E("SPK Left Out", M98090_REG_OUTPUT_ENABLE,
-		M98090_SPLEN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
-	SND_SOC_DAPM_PGA_E("SPK Right Out", M98090_REG_OUTPUT_ENABLE,
-		M98090_SPREN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
-
-	SND_SOC_DAPM_PGA_E("RCV Left Out", M98090_REG_OUTPUT_ENABLE,
-		M98090_RCVLEN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
-	SND_SOC_DAPM_PGA_E("RCV Right Out", M98090_REG_OUTPUT_ENABLE,
-		M98090_RCVREN_SHIFT, 0, NULL, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+	SND_SOC_DAPM_PGA("HP Left Out", M98090_REG_OUTPUT_ENABLE,
+		M98090_HPLEN_SHIFT, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("HP Right Out", M98090_REG_OUTPUT_ENABLE,
+		M98090_HPREN_SHIFT, 0, NULL, 0),
+
+	SND_SOC_DAPM_PGA("SPK Left Out", M98090_REG_OUTPUT_ENABLE,
+		M98090_SPLEN_SHIFT, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("SPK Right Out", M98090_REG_OUTPUT_ENABLE,
+		M98090_SPREN_SHIFT, 0, NULL, 0),
+
+	SND_SOC_DAPM_PGA("RCV Left Out", M98090_REG_OUTPUT_ENABLE,
+		M98090_RCVLEN_SHIFT, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("RCV Right Out", M98090_REG_OUTPUT_ENABLE,
+		M98090_RCVREN_SHIFT, 0, NULL, 0),
 
 	SND_SOC_DAPM_OUTPUT("HPL"),
 	SND_SOC_DAPM_OUTPUT("HPR"),
@@ -1395,11 +1228,9 @@ static const struct snd_soc_dapm_widget max98091_dapm_widgets[] = {
 	SND_SOC_DAPM_INPUT("DMIC4"),
 
 	SND_SOC_DAPM_SUPPLY("DMIC3_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
-		M98090_DIGMIC3_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		 M98090_DIGMIC3_SHIFT, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("DMIC4_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
-		M98090_DIGMIC4_SHIFT, 0, max98090_dapm_event,
-		SND_SOC_DAPM_PRE_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+		 M98090_DIGMIC4_SHIFT, 0, NULL, 0),
 };
 
 static const struct snd_soc_dapm_route max98090_dapm_routes[] = {
@@ -1670,11 +1501,6 @@ static void max98090_configure_bclk(struct snd_soc_component *component)
 		return;
 	}
 
-	/*
-	 * Master mode: no need to save and restore SHDN for the following
-	 * sensitive registers.
-	 */
-
 	/* Check for supported PCLK to LRCLK ratios */
 	for (i = 0; i < ARRAY_SIZE(pclk_rates); i++) {
 		if ((pclk_rates[i] == max98090->sysclk) &&
@@ -1761,14 +1587,12 @@ static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai,
 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 		case SND_SOC_DAIFMT_CBS_CFS:
 			/* Set to slave mode PLL - MAS mode off */
-			max98090_shdn_save(max98090);
 			snd_soc_component_write(component,
 				M98090_REG_CLOCK_RATIO_NI_MSB, 0x00);
 			snd_soc_component_write(component,
 				M98090_REG_CLOCK_RATIO_NI_LSB, 0x00);
 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
 				M98090_USE_M1_MASK, 0);
-			max98090_shdn_restore(max98090);
 			max98090->master = false;
 			break;
 		case SND_SOC_DAIFMT_CBM_CFM:
@@ -1794,9 +1618,7 @@ static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai,
 			dev_err(component->dev, "DAI clock mode unsupported");
 			return -EINVAL;
 		}
-		max98090_shdn_save(max98090);
 		snd_soc_component_write(component, M98090_REG_MASTER_MODE, regval);
-		max98090_shdn_restore(max98090);
 
 		regval = 0;
 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
@@ -1841,10 +1663,8 @@ static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai,
 		if (max98090->tdm_slots > 1)
 			regval ^= M98090_BCI_MASK;
 
-		max98090_shdn_save(max98090);
 		snd_soc_component_write(component,
 			M98090_REG_INTERFACE_FORMAT, regval);
-		max98090_shdn_restore(max98090);
 	}
 
 	return 0;
@@ -1856,7 +1676,6 @@ static int max98090_set_tdm_slot(struct snd_soc_dai *codec_dai,
 	struct snd_soc_component *component = codec_dai->component;
 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
 	struct max98090_cdata *cdata;
-
 	cdata = &max98090->dai[0];
 
 	if (slots < 0 || slots > 4)
@@ -1866,7 +1685,6 @@ static int max98090_set_tdm_slot(struct snd_soc_dai *codec_dai,
 	max98090->tdm_width = slot_width;
 
 	if (max98090->tdm_slots > 1) {
-		max98090_shdn_save(max98090);
 		/* SLOTL SLOTR SLOTDLY */
 		snd_soc_component_write(component, M98090_REG_TDM_FORMAT,
 			0 << M98090_TDM_SLOTL_SHIFT |
@@ -1877,7 +1695,6 @@ static int max98090_set_tdm_slot(struct snd_soc_dai *codec_dai,
 		snd_soc_component_update_bits(component, M98090_REG_TDM_CONTROL,
 			M98090_TDM_MASK,
 			M98090_TDM_MASK);
-		max98090_shdn_restore(max98090);
 	}
 
 	/*
@@ -2077,7 +1894,6 @@ static int max98090_configure_dmic(struct max98090_priv *max98090,
 	dmic_freq = dmic_table[pclk_index].settings[micclk_index].freq;
 	dmic_comp = dmic_table[pclk_index].settings[micclk_index].comp[i];
 
-	max98090_shdn_save(max98090);
 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_ENABLE,
 			   M98090_MICCLK_MASK,
 			   micclk_index << M98090_MICCLK_SHIFT);
@@ -2086,7 +1902,6 @@ static int max98090_configure_dmic(struct max98090_priv *max98090,
 			   M98090_DMIC_COMP_MASK | M98090_DMIC_FREQ_MASK,
 			   dmic_comp << M98090_DMIC_COMP_SHIFT |
 			   dmic_freq << M98090_DMIC_FREQ_SHIFT);
-	max98090_shdn_restore(max98090);
 
 	return 0;
 }
@@ -2123,10 +1938,8 @@ static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
 
 	switch (params_width(params)) {
 	case 16:
-		max98090_shdn_save(max98090);
 		snd_soc_component_update_bits(component, M98090_REG_INTERFACE_FORMAT,
 			M98090_WS_MASK, 0);
-		max98090_shdn_restore(max98090);
 		break;
 	default:
 		return -EINVAL;
@@ -2137,7 +1950,6 @@ static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
 
 	cdata->rate = max98090->lrclk;
 
-	max98090_shdn_save(max98090);
 	/* Update filter mode */
 	if (max98090->lrclk < 24000)
 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
@@ -2153,7 +1965,6 @@ static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
 	else
 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
 			M98090_DHF_MASK, M98090_DHF_MASK);
-	max98090_shdn_restore(max98090);
 
 	max98090_configure_dmic(max98090, max98090->dmic_freq, max98090->pclk,
 				max98090->lrclk);
@@ -2184,7 +1995,6 @@ static int max98090_dai_set_sysclk(struct snd_soc_dai *dai,
 	 *		 0x02 (when master clk is 20MHz to 40MHz)..
 	 *		 0x03 (when master clk is 40MHz to 60MHz)..
 	 */
-	max98090_shdn_save(max98090);
 	if ((freq >= 10000000) && (freq <= 20000000)) {
 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
 			M98090_PSCLK_DIV1);
@@ -2199,10 +2009,8 @@ static int max98090_dai_set_sysclk(struct snd_soc_dai *dai,
 		max98090->pclk = freq >> 2;
 	} else {
 		dev_err(component->dev, "Invalid master clock frequency\n");
-		max98090_shdn_restore(max98090);
 		return -EINVAL;
 	}
-	max98090_shdn_restore(max98090);
 
 	max98090->sysclk = freq;
 
@@ -2314,12 +2122,10 @@ static void max98090_pll_work(struct max98090_priv *max98090)
 	 */
 
 	/* Toggle shutdown OFF then ON */
-	mutex_lock(&component->card->dapm_mutex);
 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
 			    M98090_SHDNN_MASK, 0);
 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
 			    M98090_SHDNN_MASK, M98090_SHDNN_MASK);
-	mutex_unlock(&component->card->dapm_mutex);
 
 	for (i = 0; i < 10; ++i) {
 		/* Give PLL time to lock */
@@ -2642,12 +2448,7 @@ static int max98090_probe(struct snd_soc_component *component)
 	 */
 	snd_soc_component_read32(component, M98090_REG_DEVICE_STATUS);
 
-	/*
-	 * SHDN should be 0 at the point, no need to save/restore for the
-	 * following registers.
-	 *
-	 * High Performance is default
-	 */
+	/* High Performance is default */
 	snd_soc_component_update_bits(component, M98090_REG_DAC_CONTROL,
 		M98090_DACHP_MASK,
 		1 << M98090_DACHP_SHIFT);
@@ -2658,12 +2459,7 @@ static int max98090_probe(struct snd_soc_component *component)
 		M98090_ADCHP_MASK,
 		1 << M98090_ADCHP_SHIFT);
 
-	/*
-	 * SHDN should be 0 at the point, no need to save/restore for the
-	 * following registers.
-	 *
-	 * Turn on VCM bandgap reference
-	 */
+	/* Turn on VCM bandgap reference */
 	snd_soc_component_write(component, M98090_REG_BIAS_CONTROL,
 		M98090_VCM_MODE_MASK);
 
@@ -2695,9 +2491,25 @@ static void max98090_remove(struct snd_soc_component *component)
 	max98090->component = NULL;
 }
 
+static void max98090_seq_notifier(struct snd_soc_component *component,
+	enum snd_soc_dapm_type event, int subseq)
+{
+	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
+
+	if (max98090->shdn_pending) {
+		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
+				M98090_SHDNN_MASK, 0);
+		msleep(40);
+		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
+				M98090_SHDNN_MASK, M98090_SHDNN_MASK);
+		max98090->shdn_pending = false;
+	}
+}
+
 static const struct snd_soc_component_driver soc_component_dev_max98090 = {
 	.probe			= max98090_probe,
 	.remove			= max98090_remove,
+	.seq_notifier		= max98090_seq_notifier,
 	.set_bias_level		= max98090_set_bias_level,
 	.idle_bias_on		= 1,
 	.use_pmdown_time	= 1,
diff --git a/sound/soc/codecs/max98090.h b/sound/soc/codecs/max98090.h
index 0a31708b7df7..a197114b0dad 100644
--- a/sound/soc/codecs/max98090.h
+++ b/sound/soc/codecs/max98090.h
@@ -1539,8 +1539,7 @@ struct max98090_priv {
 	unsigned int pa2en;
 	unsigned int sidetone;
 	bool master;
-	int saved_count;
-	int saved_shdn;
+	bool shdn_pending;
 };
 
 int max98090_mic_detect(struct snd_soc_component *component,
-- 
2.20.1

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