diff --git a/sound/soc/codecs/max98926.c b/sound/soc/codecs/max98926.c
index 59d03d036945..03d07bf4d942 100644
--- a/sound/soc/codecs/max98926.c
+++ b/sound/soc/codecs/max98926.c
@@ -213,8 +213,8 @@ static bool max98926_readable_register(struct device *dev, unsigned int reg)
 	}
 };
 
-DECLARE_TLV_DB_SCALE(max98926_spk_tlv, -600, 100, 0);
-DECLARE_TLV_DB_RANGE(max98926_current_tlv,
+static DECLARE_TLV_DB_SCALE(max98926_spk_tlv, -600, 100, 0);
+static DECLARE_TLV_DB_RANGE(max98926_current_tlv,
 	0, 11, TLV_DB_SCALE_ITEM(20, 20, 0),
 	12, 15, TLV_DB_SCALE_ITEM(320, 40, 0),
 );
diff --git a/sound/soc/codecs/max98927.c b/sound/soc/codecs/max98927.c
index b0380b560bf5..d9dbbe72f8ad 100644
--- a/sound/soc/codecs/max98927.c
+++ b/sound/soc/codecs/max98927.c
@@ -44,9 +44,9 @@ static struct reg_default max98927_reg[] = {
 	{MAX98927_R0011_CLK_MON,  0x00},
 	{MAX98927_R0012_WDOG_CTRL,  0x00},
 	{MAX98927_R0013_WDOG_RST,  0x00},
-	{MAX98927_R0014_MEAS_ADC_THERM_WARN_THRESH,  0x00},
-	{MAX98927_R0015_MEAS_ADC_THERM_SHDN_THRESH,  0x00},
-	{MAX98927_R0016_MEAS_ADC_THERM_HYSTERESIS,  0x00},
+	{MAX98927_R0014_MEAS_ADC_THERM_WARN_THRESH,  0x75},
+	{MAX98927_R0015_MEAS_ADC_THERM_SHDN_THRESH,  0x8c},
+	{MAX98927_R0016_MEAS_ADC_THERM_HYSTERESIS,  0x08},
 	{MAX98927_R0017_PIN_CFG,  0x55},
 	{MAX98927_R0018_PCM_RX_EN_A,  0x00},
 	{MAX98927_R0019_PCM_RX_EN_B,  0x00},
@@ -82,14 +82,14 @@ static struct reg_default max98927_reg[] = {
 	{MAX98927_R003A_AMP_EN,  0x00},
 	{MAX98927_R003B_SPK_SRC_SEL,  0x00},
 	{MAX98927_R003C_SPK_GAIN,  0x00},
-	{MAX98927_R003D_SSM_CFG,  0x01},
+	{MAX98927_R003D_SSM_CFG,  0x04},
 	{MAX98927_R003E_MEAS_EN,  0x00},
 	{MAX98927_R003F_MEAS_DSP_CFG,  0x04},
 	{MAX98927_R0040_BOOST_CTRL0,  0x00},
 	{MAX98927_R0041_BOOST_CTRL3,  0x00},
 	{MAX98927_R0042_BOOST_CTRL1,  0x00},
 	{MAX98927_R0043_MEAS_ADC_CFG,  0x00},
-	{MAX98927_R0044_MEAS_ADC_BASE_MSB,  0x00},
+	{MAX98927_R0044_MEAS_ADC_BASE_MSB,  0x01},
 	{MAX98927_R0045_MEAS_ADC_BASE_LSB,  0x00},
 	{MAX98927_R0046_ADC_CH0_DIVIDE,  0x00},
 	{MAX98927_R0047_ADC_CH1_DIVIDE,  0x00},
@@ -159,7 +159,7 @@ static int max98927_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 		mode = MAX98927_PCM_MASTER_MODE_MASTER;
 		break;
 	default:
-		dev_err(codec->dev, "DAI clock mode unsupported");
+		dev_err(codec->dev, "DAI clock mode unsupported\n");
 		return -EINVAL;
 	}
 
@@ -175,7 +175,7 @@ static int max98927_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 		invert = MAX98927_PCM_MODE_CFG_PCM_BCLKEDGE;
 		break;
 	default:
-		dev_err(codec->dev, "DAI invert mode unsupported");
+		dev_err(codec->dev, "DAI invert mode unsupported\n");
 		return -EINVAL;
 	}
 
@@ -311,7 +311,7 @@ static int max98927_dai_hw_params(struct snd_pcm_substream *substream,
 		chan_sz = MAX98927_PCM_MODE_CFG_CHANSZ_32;
 		break;
 	default:
-		dev_err(codec->dev, "format unsupported %d",
+		dev_err(codec->dev, "format unsupported %d\n",
 			params_format(params));
 		goto err;
 	}
@@ -418,11 +418,6 @@ static int max98927_dac_event(struct snd_soc_dapm_widget *w,
 		regmap_update_bits(max98927->regmap,
 			MAX98927_R003A_AMP_EN,
 			MAX98927_AMP_EN_MASK, 1);
-		/* enable VMON and IMON */
-		regmap_update_bits(max98927->regmap,
-			MAX98927_R003E_MEAS_EN,
-			MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN,
-			MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN);
 		regmap_update_bits(max98927->regmap,
 			MAX98927_R00FF_GLOBAL_SHDN,
 			MAX98927_GLOBAL_EN_MASK, 1);
@@ -434,10 +429,6 @@ static int max98927_dac_event(struct snd_soc_dapm_widget *w,
 		regmap_update_bits(max98927->regmap,
 			MAX98927_R003A_AMP_EN,
 			MAX98927_AMP_EN_MASK, 0);
-		/* disable VMON and IMON */
-		regmap_update_bits(max98927->regmap,
-			MAX98927_R003E_MEAS_EN,
-			MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN, 0);
 		break;
 	default:
 		return 0;
@@ -456,14 +447,24 @@ static const struct soc_enum dai_sel_enum =
 static const struct snd_kcontrol_new max98927_dai_controls =
 	SOC_DAPM_ENUM("DAI Sel", dai_sel_enum);
 
+static const struct snd_kcontrol_new max98927_vi_control =
+	SOC_DAPM_SINGLE("Switch", MAX98927_R003F_MEAS_DSP_CFG, 2, 1, 0);
+
 static const struct snd_soc_dapm_widget max98927_dapm_widgets[] = {
-	SND_SOC_DAPM_AIF_IN("DAI_OUT", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", MAX98927_R003A_AMP_EN,
 		0, 0, max98927_dac_event,
 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 	SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0,
 		&max98927_dai_controls),
 	SND_SOC_DAPM_OUTPUT("BE_OUT"),
+	SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture",  0,
+		MAX98927_R003E_MEAS_EN, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture",  0,
+		MAX98927_R003E_MEAS_EN, 1, 0),
+	SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0,
+		&max98927_vi_control),
+	SND_SOC_DAPM_SIGGEN("VMON"),
+	SND_SOC_DAPM_SIGGEN("IMON"),
 };
 
 static DECLARE_TLV_DB_SCALE(max98927_spk_tlv, 300, 300, 0);
@@ -495,6 +496,13 @@ static bool max98927_volatile_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
 	case MAX98927_R0001_INT_RAW1 ... MAX98927_R0009_INT_FLAG3:
+	case MAX98927_R004C_MEAS_ADC_CH0_READ:
+	case MAX98927_R004D_MEAS_ADC_CH1_READ:
+	case MAX98927_R004E_MEAS_ADC_CH2_READ:
+	case MAX98927_R0051_BROWNOUT_STATUS:
+	case MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ:
+	case MAX98927_R01FF_REV_ID:
+	case MAX98927_R0100_SOFT_RESET:
 		return true;
 	default:
 		return false;
@@ -543,11 +551,16 @@ static const struct snd_kcontrol_new max98927_snd_controls[] = {
 };
 
 static const struct snd_soc_dapm_route max98927_audio_map[] = {
-	{"Amp Enable", NULL, "DAI_OUT"},
+	/* Plabyack */
 	{"DAI Sel Mux", "Left", "Amp Enable"},
 	{"DAI Sel Mux", "Right", "Amp Enable"},
 	{"DAI Sel Mux", "LeftRight", "Amp Enable"},
 	{"BE_OUT", NULL, "DAI Sel Mux"},
+	/* Capture */
+	{ "VI Sense", "Switch", "VMON" },
+	{ "VI Sense", "Switch", "IMON" },
+	{ "Voltage Sense", NULL, "VI Sense" },
+	{ "Current Sense", NULL, "VI Sense" },
 };
 
 static struct snd_soc_dai_driver max98927_dai[] = {
@@ -693,6 +706,31 @@ static int max98927_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int max98927_suspend(struct device *dev)
+{
+	struct max98927_priv *max98927 = dev_get_drvdata(dev);
+
+	regcache_cache_only(max98927->regmap, true);
+	regcache_mark_dirty(max98927->regmap);
+	return 0;
+}
+static int max98927_resume(struct device *dev)
+{
+	struct max98927_priv *max98927 = dev_get_drvdata(dev);
+
+	regmap_write(max98927->regmap,
+		MAX98927_R0100_SOFT_RESET, MAX98927_SOFT_RESET);
+	regcache_cache_only(max98927->regmap, false);
+	regcache_sync(max98927->regmap);
+	return 0;
+}
+#endif
+
+static const struct dev_pm_ops max98927_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(max98927_suspend, max98927_resume)
+};
+
 static const struct snd_soc_codec_driver soc_codec_dev_max98927 = {
 	.probe = max98927_probe,
 	.component_driver = {
@@ -720,14 +758,14 @@ static void max98927_slot_config(struct i2c_client *i2c,
 	struct max98927_priv *max98927)
 {
 	int value;
+	struct device *dev = &i2c->dev;
 
-	if (!of_property_read_u32(i2c->dev.of_node,
-		"vmon-slot-no", &value))
+	if (!device_property_read_u32(dev, "vmon-slot-no", &value))
 		max98927->v_l_slot = value & 0xF;
 	else
 		max98927->v_l_slot = 0;
-	if (!of_property_read_u32(i2c->dev.of_node,
-		"imon-slot-no", &value))
+
+	if (!device_property_read_u32(dev, "imon-slot-no", &value))
 		max98927->i_l_slot = value & 0xF;
 	else
 		max98927->i_l_slot = 1;
@@ -826,7 +864,7 @@ static struct i2c_driver max98927_i2c_driver = {
 		.name = "max98927",
 		.of_match_table = of_match_ptr(max98927_of_match),
 		.acpi_match_table = ACPI_PTR(max98927_acpi_match),
-		.pm = NULL,
+		.pm = &max98927_pm,
 	},
 	.probe  = max98927_i2c_probe,
 	.remove = max98927_i2c_remove,
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index dafd22e874e9..cf23af159acf 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -27,7 +27,7 @@ static struct kirkwood_dma_data *kirkwood_priv(struct snd_pcm_substream *subs)
 	return snd_soc_dai_get_drvdata(soc_runtime->cpu_dai);
 }
 
-static struct snd_pcm_hardware kirkwood_dma_snd_hw = {
+static const struct snd_pcm_hardware kirkwood_dma_snd_hw = {
 	.info = SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_MMAP |
 		SNDRV_PCM_INFO_MMAP_VALID |
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 3a36d60e1785..105a73cc5158 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -538,10 +538,9 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 	int err;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv) {
-		dev_err(&pdev->dev, "allocation failed\n");
+	if (!priv)
 		return -ENOMEM;
-	}
+
 	dev_set_drvdata(&pdev->dev, priv);
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -550,9 +549,9 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->io);
 
 	priv->irq = platform_get_irq(pdev, 0);
-	if (priv->irq <= 0) {
-		dev_err(&pdev->dev, "platform_get_irq failed\n");
-		return -ENXIO;
+	if (priv->irq < 0) {
+		dev_err(&pdev->dev, "platform_get_irq failed: %d\n", priv->irq);
+		return priv->irq;
 	}
 
 	if (np) {