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ASoC: max98090: revert invalid fix for handling SHDN

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Reverts commit 62d5ae4caf ("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@google.com>
Link: https://lore.kernel.org/r/20200214105744.82258-2-tzungbi@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tzung-Bi Shih 2020-02-14 18:57:42 +08:00 committed by Mark Brown
parent b6570fdb96
commit 4b8a1ca462
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 121 additions and 310 deletions
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428
sound/soc/codecs/max98090.c
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@ -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_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_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_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("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_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("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_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("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,

3
sound/soc/codecs/max98090.h
View File

@ -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,