ASoC: nau8540: fix tab conversion problem

Fix the tab converting to space problem.

Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 612 insertions, 612 deletions

diff --git a/sound/soc/codecs/nau8540.c b/sound/soc/codecs/nau8540.c
index 9e8f0f4aa51a..c8bcb1db966d 100644
--- a/sound/soc/codecs/nau8540.c
+++ b/sound/soc/codecs/nau8540.c
@@ -39,147 +39,147 @@
 
 /* scaling for mclk from sysclk_src output */
 static const struct nau8540_fll_attr mclk_src_scaling[] = {
-       { 1, 0x0 },
-       { 2, 0x2 },
-       { 4, 0x3 },
-       { 8, 0x4 },
-       { 16, 0x5 },
-       { 32, 0x6 },
-       { 3, 0x7 },
-       { 6, 0xa },
-       { 12, 0xb },
-       { 24, 0xc },
+	{ 1, 0x0 },
+	{ 2, 0x2 },
+	{ 4, 0x3 },
+	{ 8, 0x4 },
+	{ 16, 0x5 },
+	{ 32, 0x6 },
+	{ 3, 0x7 },
+	{ 6, 0xa },
+	{ 12, 0xb },
+	{ 24, 0xc },
 };
 
 /* ratio for input clk freq */
 static const struct nau8540_fll_attr fll_ratio[] = {
-       { 512000, 0x01 },
-       { 256000, 0x02 },
-       { 128000, 0x04 },
-       { 64000, 0x08 },
-       { 32000, 0x10 },
-       { 8000, 0x20 },
-       { 4000, 0x40 },
+	{ 512000, 0x01 },
+	{ 256000, 0x02 },
+	{ 128000, 0x04 },
+	{ 64000, 0x08 },
+	{ 32000, 0x10 },
+	{ 8000, 0x20 },
+	{ 4000, 0x40 },
 };
 
 static const struct nau8540_fll_attr fll_pre_scalar[] = {
-       { 1, 0x0 },
-       { 2, 0x1 },
-       { 4, 0x2 },
-       { 8, 0x3 },
+	{ 1, 0x0 },
+	{ 2, 0x1 },
+	{ 4, 0x2 },
+	{ 8, 0x3 },
 };
 
 /* over sampling rate */
 static const struct nau8540_osr_attr osr_adc_sel[] = {
-       { 32, 3 },      /* OSR 32, SRC 1/8 */
-       { 64, 2 },      /* OSR 64, SRC 1/4 */
-       { 128, 1 },     /* OSR 128, SRC 1/2 */
-       { 256, 0 },     /* OSR 256, SRC 1 */
+	{ 32, 3 },	/* OSR 32, SRC 1/8 */
+	{ 64, 2 },	/* OSR 64, SRC 1/4 */
+	{ 128, 1 },	/* OSR 128, SRC 1/2 */
+	{ 256, 0 },	/* OSR 256, SRC 1 */
 };
 
 static const struct reg_default nau8540_reg_defaults[] = {
-       {NAU8540_REG_POWER_MANAGEMENT, 0x0000},
-       {NAU8540_REG_CLOCK_CTRL, 0x0000},
-       {NAU8540_REG_CLOCK_SRC, 0x0000},
-       {NAU8540_REG_FLL1, 0x0001},
-       {NAU8540_REG_FLL2, 0x3126},
-       {NAU8540_REG_FLL3, 0x0008},
-       {NAU8540_REG_FLL4, 0x0010},
-       {NAU8540_REG_FLL5, 0xC000},
-       {NAU8540_REG_FLL6, 0x6000},
-       {NAU8540_REG_FLL_VCO_RSV, 0xF13C},
-       {NAU8540_REG_PCM_CTRL0, 0x000B},
-       {NAU8540_REG_PCM_CTRL1, 0x3010},
-       {NAU8540_REG_PCM_CTRL2, 0x0800},
-       {NAU8540_REG_PCM_CTRL3, 0x0000},
-       {NAU8540_REG_PCM_CTRL4, 0x000F},
-       {NAU8540_REG_ALC_CONTROL_1, 0x0000},
-       {NAU8540_REG_ALC_CONTROL_2, 0x700B},
-       {NAU8540_REG_ALC_CONTROL_3, 0x0022},
-       {NAU8540_REG_ALC_CONTROL_4, 0x1010},
-       {NAU8540_REG_ALC_CONTROL_5, 0x1010},
-       {NAU8540_REG_NOTCH_FIL1_CH1, 0x0000},
-       {NAU8540_REG_NOTCH_FIL2_CH1, 0x0000},
-       {NAU8540_REG_NOTCH_FIL1_CH2, 0x0000},
-       {NAU8540_REG_NOTCH_FIL2_CH2, 0x0000},
-       {NAU8540_REG_NOTCH_FIL1_CH3, 0x0000},
-       {NAU8540_REG_NOTCH_FIL2_CH3, 0x0000},
-       {NAU8540_REG_NOTCH_FIL1_CH4, 0x0000},
-       {NAU8540_REG_NOTCH_FIL2_CH4, 0x0000},
-       {NAU8540_REG_HPF_FILTER_CH12, 0x0000},
-       {NAU8540_REG_HPF_FILTER_CH34, 0x0000},
-       {NAU8540_REG_ADC_SAMPLE_RATE, 0x0002},
-       {NAU8540_REG_DIGITAL_GAIN_CH1, 0x0400},
-       {NAU8540_REG_DIGITAL_GAIN_CH2, 0x0400},
-       {NAU8540_REG_DIGITAL_GAIN_CH3, 0x0400},
-       {NAU8540_REG_DIGITAL_GAIN_CH4, 0x0400},
-       {NAU8540_REG_DIGITAL_MUX, 0x00E4},
-       {NAU8540_REG_GPIO_CTRL, 0x0000},
-       {NAU8540_REG_MISC_CTRL, 0x0000},
-       {NAU8540_REG_I2C_CTRL, 0xEFFF},
-       {NAU8540_REG_VMID_CTRL, 0x0000},
-       {NAU8540_REG_MUTE, 0x0000},
-       {NAU8540_REG_ANALOG_ADC1, 0x0011},
-       {NAU8540_REG_ANALOG_ADC2, 0x0020},
-       {NAU8540_REG_ANALOG_PWR, 0x0000},
-       {NAU8540_REG_MIC_BIAS, 0x0004},
-       {NAU8540_REG_REFERENCE, 0x0000},
-       {NAU8540_REG_FEPGA1, 0x0000},
-       {NAU8540_REG_FEPGA2, 0x0000},
-       {NAU8540_REG_FEPGA3, 0x0101},
-       {NAU8540_REG_FEPGA4, 0x0101},
-       {NAU8540_REG_PWR, 0x0000},
+	{NAU8540_REG_POWER_MANAGEMENT, 0x0000},
+	{NAU8540_REG_CLOCK_CTRL, 0x0000},
+	{NAU8540_REG_CLOCK_SRC, 0x0000},
+	{NAU8540_REG_FLL1, 0x0001},
+	{NAU8540_REG_FLL2, 0x3126},
+	{NAU8540_REG_FLL3, 0x0008},
+	{NAU8540_REG_FLL4, 0x0010},
+	{NAU8540_REG_FLL5, 0xC000},
+	{NAU8540_REG_FLL6, 0x6000},
+	{NAU8540_REG_FLL_VCO_RSV, 0xF13C},
+	{NAU8540_REG_PCM_CTRL0, 0x000B},
+	{NAU8540_REG_PCM_CTRL1, 0x3010},
+	{NAU8540_REG_PCM_CTRL2, 0x0800},
+	{NAU8540_REG_PCM_CTRL3, 0x0000},
+	{NAU8540_REG_PCM_CTRL4, 0x000F},
+	{NAU8540_REG_ALC_CONTROL_1, 0x0000},
+	{NAU8540_REG_ALC_CONTROL_2, 0x700B},
+	{NAU8540_REG_ALC_CONTROL_3, 0x0022},
+	{NAU8540_REG_ALC_CONTROL_4, 0x1010},
+	{NAU8540_REG_ALC_CONTROL_5, 0x1010},
+	{NAU8540_REG_NOTCH_FIL1_CH1, 0x0000},
+	{NAU8540_REG_NOTCH_FIL2_CH1, 0x0000},
+	{NAU8540_REG_NOTCH_FIL1_CH2, 0x0000},
+	{NAU8540_REG_NOTCH_FIL2_CH2, 0x0000},
+	{NAU8540_REG_NOTCH_FIL1_CH3, 0x0000},
+	{NAU8540_REG_NOTCH_FIL2_CH3, 0x0000},
+	{NAU8540_REG_NOTCH_FIL1_CH4, 0x0000},
+	{NAU8540_REG_NOTCH_FIL2_CH4, 0x0000},
+	{NAU8540_REG_HPF_FILTER_CH12, 0x0000},
+	{NAU8540_REG_HPF_FILTER_CH34, 0x0000},
+	{NAU8540_REG_ADC_SAMPLE_RATE, 0x0002},
+	{NAU8540_REG_DIGITAL_GAIN_CH1, 0x0400},
+	{NAU8540_REG_DIGITAL_GAIN_CH2, 0x0400},
+	{NAU8540_REG_DIGITAL_GAIN_CH3, 0x0400},
+	{NAU8540_REG_DIGITAL_GAIN_CH4, 0x0400},
+	{NAU8540_REG_DIGITAL_MUX, 0x00E4},
+	{NAU8540_REG_GPIO_CTRL, 0x0000},
+	{NAU8540_REG_MISC_CTRL, 0x0000},
+	{NAU8540_REG_I2C_CTRL, 0xEFFF},
+	{NAU8540_REG_VMID_CTRL, 0x0000},
+	{NAU8540_REG_MUTE, 0x0000},
+	{NAU8540_REG_ANALOG_ADC1, 0x0011},
+	{NAU8540_REG_ANALOG_ADC2, 0x0020},
+	{NAU8540_REG_ANALOG_PWR, 0x0000},
+	{NAU8540_REG_MIC_BIAS, 0x0004},
+	{NAU8540_REG_REFERENCE, 0x0000},
+	{NAU8540_REG_FEPGA1, 0x0000},
+	{NAU8540_REG_FEPGA2, 0x0000},
+	{NAU8540_REG_FEPGA3, 0x0101},
+	{NAU8540_REG_FEPGA4, 0x0101},
+	{NAU8540_REG_PWR, 0x0000},
 };
 
 static bool nau8540_readable_reg(struct device *dev, unsigned int reg)
 {
-       switch (reg) {
-       case NAU8540_REG_POWER_MANAGEMENT ... NAU8540_REG_FLL_VCO_RSV:
-       case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
-       case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
-       case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ADC_SAMPLE_RATE:
-       case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
-       case NAU8540_REG_P2P_CH1 ... NAU8540_REG_I2C_CTRL:
-       case NAU8540_REG_I2C_DEVICE_ID:
-       case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
-       case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
-               return true;
-       default:
-               return false;
-       }
+	switch (reg) {
+	case NAU8540_REG_POWER_MANAGEMENT ... NAU8540_REG_FLL_VCO_RSV:
+	case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
+	case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
+	case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ADC_SAMPLE_RATE:
+	case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
+	case NAU8540_REG_P2P_CH1 ... NAU8540_REG_I2C_CTRL:
+	case NAU8540_REG_I2C_DEVICE_ID:
+	case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
+	case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
+		return true;
+	default:
+		return false;
+	}
 
 }
 
 static bool nau8540_writeable_reg(struct device *dev, unsigned int reg)
 {
-       switch (reg) {
-       case NAU8540_REG_SW_RESET ... NAU8540_REG_FLL_VCO_RSV:
-       case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
-       case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
-       case NAU8540_REG_NOTCH_FIL1_CH1 ... NAU8540_REG_ADC_SAMPLE_RATE:
-       case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
-       case NAU8540_REG_GPIO_CTRL ... NAU8540_REG_I2C_CTRL:
-       case NAU8540_REG_RST:
-       case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
-       case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
-               return true;
-       default:
-               return false;
-       }
+	switch (reg) {
+	case NAU8540_REG_SW_RESET ... NAU8540_REG_FLL_VCO_RSV:
+	case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
+	case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
+	case NAU8540_REG_NOTCH_FIL1_CH1 ... NAU8540_REG_ADC_SAMPLE_RATE:
+	case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
+	case NAU8540_REG_GPIO_CTRL ... NAU8540_REG_I2C_CTRL:
+	case NAU8540_REG_RST:
+	case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
+	case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
+		return true;
+	default:
+		return false;
+	}
 }
 
 static bool nau8540_volatile_reg(struct device *dev, unsigned int reg)
 {
-       switch (reg) {
-       case NAU8540_REG_SW_RESET:
-       case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ALC_STATUS:
-       case NAU8540_REG_P2P_CH1 ... NAU8540_REG_PEAK_CH4:
-       case NAU8540_REG_I2C_DEVICE_ID:
-       case NAU8540_REG_RST:
-               return true;
-       default:
-               return false;
-       }
+	switch (reg) {
+	case NAU8540_REG_SW_RESET:
+	case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ALC_STATUS:
+	case NAU8540_REG_P2P_CH1 ... NAU8540_REG_PEAK_CH4:
+	case NAU8540_REG_I2C_DEVICE_ID:
+	case NAU8540_REG_RST:
+		return true;
+	default:
+		return false;
+	}
 }
 
 
@@ -187,255 +187,255 @@ static const DECLARE_TLV_DB_MINMAX(adc_vol_tlv, -12800, 3600);
 static const DECLARE_TLV_DB_MINMAX(fepga_gain_tlv, -100, 3600);
 
 static const struct snd_kcontrol_new nau8540_snd_controls[] = {
-       SOC_SINGLE_TLV("Mic1 Volume", NAU8540_REG_DIGITAL_GAIN_CH1,
-               0, 0x520, 0, adc_vol_tlv),
-       SOC_SINGLE_TLV("Mic2 Volume", NAU8540_REG_DIGITAL_GAIN_CH2,
-               0, 0x520, 0, adc_vol_tlv),
-       SOC_SINGLE_TLV("Mic3 Volume", NAU8540_REG_DIGITAL_GAIN_CH3,
-               0, 0x520, 0, adc_vol_tlv),
-       SOC_SINGLE_TLV("Mic4 Volume", NAU8540_REG_DIGITAL_GAIN_CH4,
-               0, 0x520, 0, adc_vol_tlv),
-
-       SOC_SINGLE_TLV("Frontend PGA1 Volume", NAU8540_REG_FEPGA3,
-               0, 0x25, 0, fepga_gain_tlv),
-       SOC_SINGLE_TLV("Frontend PGA2 Volume", NAU8540_REG_FEPGA3,
-               8, 0x25, 0, fepga_gain_tlv),
-       SOC_SINGLE_TLV("Frontend PGA3 Volume", NAU8540_REG_FEPGA4,
-               0, 0x25, 0, fepga_gain_tlv),
-       SOC_SINGLE_TLV("Frontend PGA4 Volume", NAU8540_REG_FEPGA4,
-               8, 0x25, 0, fepga_gain_tlv),
+	SOC_SINGLE_TLV("Mic1 Volume", NAU8540_REG_DIGITAL_GAIN_CH1,
+		0, 0x520, 0, adc_vol_tlv),
+	SOC_SINGLE_TLV("Mic2 Volume", NAU8540_REG_DIGITAL_GAIN_CH2,
+		0, 0x520, 0, adc_vol_tlv),
+	SOC_SINGLE_TLV("Mic3 Volume", NAU8540_REG_DIGITAL_GAIN_CH3,
+		0, 0x520, 0, adc_vol_tlv),
+	SOC_SINGLE_TLV("Mic4 Volume", NAU8540_REG_DIGITAL_GAIN_CH4,
+		0, 0x520, 0, adc_vol_tlv),
+
+	SOC_SINGLE_TLV("Frontend PGA1 Volume", NAU8540_REG_FEPGA3,
+		0, 0x25, 0, fepga_gain_tlv),
+	SOC_SINGLE_TLV("Frontend PGA2 Volume", NAU8540_REG_FEPGA3,
+		8, 0x25, 0, fepga_gain_tlv),
+	SOC_SINGLE_TLV("Frontend PGA3 Volume", NAU8540_REG_FEPGA4,
+		0, 0x25, 0, fepga_gain_tlv),
+	SOC_SINGLE_TLV("Frontend PGA4 Volume", NAU8540_REG_FEPGA4,
+		8, 0x25, 0, fepga_gain_tlv),
 };
 
 static const char * const adc_channel[] = {
-       "ADC channel 1", "ADC channel 2", "ADC channel 3", "ADC channel 4"
+	"ADC channel 1", "ADC channel 2", "ADC channel 3", "ADC channel 4"
 };
 static SOC_ENUM_SINGLE_DECL(
-       digital_ch4_enum, NAU8540_REG_DIGITAL_MUX, 6, adc_channel);
+	digital_ch4_enum, NAU8540_REG_DIGITAL_MUX, 6, adc_channel);
 
 static const struct snd_kcontrol_new digital_ch4_mux =
-       SOC_DAPM_ENUM("Digital CH4 Select", digital_ch4_enum);
+	SOC_DAPM_ENUM("Digital CH4 Select", digital_ch4_enum);
 
 static SOC_ENUM_SINGLE_DECL(
-       digital_ch3_enum, NAU8540_REG_DIGITAL_MUX, 4, adc_channel);
+	digital_ch3_enum, NAU8540_REG_DIGITAL_MUX, 4, adc_channel);
 
 static const struct snd_kcontrol_new digital_ch3_mux =
-       SOC_DAPM_ENUM("Digital CH3 Select", digital_ch3_enum);
+	SOC_DAPM_ENUM("Digital CH3 Select", digital_ch3_enum);
 
 static SOC_ENUM_SINGLE_DECL(
-       digital_ch2_enum, NAU8540_REG_DIGITAL_MUX, 2, adc_channel);
+	digital_ch2_enum, NAU8540_REG_DIGITAL_MUX, 2, adc_channel);
 
 static const struct snd_kcontrol_new digital_ch2_mux =
-       SOC_DAPM_ENUM("Digital CH2 Select", digital_ch2_enum);
+	SOC_DAPM_ENUM("Digital CH2 Select", digital_ch2_enum);
 
 static SOC_ENUM_SINGLE_DECL(
-       digital_ch1_enum, NAU8540_REG_DIGITAL_MUX, 0, adc_channel);
+	digital_ch1_enum, NAU8540_REG_DIGITAL_MUX, 0, adc_channel);
 
 static const struct snd_kcontrol_new digital_ch1_mux =
-       SOC_DAPM_ENUM("Digital CH1 Select", digital_ch1_enum);
+	SOC_DAPM_ENUM("Digital CH1 Select", digital_ch1_enum);
 
 static const struct snd_soc_dapm_widget nau8540_dapm_widgets[] = {
-       SND_SOC_DAPM_SUPPLY("MICBIAS2", NAU8540_REG_MIC_BIAS, 11, 0, NULL, 0),
-       SND_SOC_DAPM_SUPPLY("MICBIAS1", NAU8540_REG_MIC_BIAS, 10, 0, NULL, 0),
-
-       SND_SOC_DAPM_INPUT("MIC1"),
-       SND_SOC_DAPM_INPUT("MIC2"),
-       SND_SOC_DAPM_INPUT("MIC3"),
-       SND_SOC_DAPM_INPUT("MIC4"),
-
-       SND_SOC_DAPM_PGA("Frontend PGA1", NAU8540_REG_PWR, 12, 0, NULL, 0),
-       SND_SOC_DAPM_PGA("Frontend PGA2", NAU8540_REG_PWR, 13, 0, NULL, 0),
-       SND_SOC_DAPM_PGA("Frontend PGA3", NAU8540_REG_PWR, 14, 0, NULL, 0),
-       SND_SOC_DAPM_PGA("Frontend PGA4", NAU8540_REG_PWR, 15, 0, NULL, 0),
-
-       SND_SOC_DAPM_ADC("ADC1", NULL,
-               NAU8540_REG_POWER_MANAGEMENT, 0, 0),
-       SND_SOC_DAPM_ADC("ADC2", NULL,
-               NAU8540_REG_POWER_MANAGEMENT, 1, 0),
-       SND_SOC_DAPM_ADC("ADC3", NULL,
-               NAU8540_REG_POWER_MANAGEMENT, 2, 0),
-       SND_SOC_DAPM_ADC("ADC4", NULL,
-               NAU8540_REG_POWER_MANAGEMENT, 3, 0),
-
-       SND_SOC_DAPM_PGA("ADC CH1", NAU8540_REG_ANALOG_PWR, 0, 0, NULL, 0),
-       SND_SOC_DAPM_PGA("ADC CH2", NAU8540_REG_ANALOG_PWR, 1, 0, NULL, 0),
-       SND_SOC_DAPM_PGA("ADC CH3", NAU8540_REG_ANALOG_PWR, 2, 0, NULL, 0),
-       SND_SOC_DAPM_PGA("ADC CH4", NAU8540_REG_ANALOG_PWR, 3, 0, NULL, 0),
-
-       SND_SOC_DAPM_MUX("Digital CH4 Mux",
-               SND_SOC_NOPM, 0, 0, &digital_ch4_mux),
-       SND_SOC_DAPM_MUX("Digital CH3 Mux",
-               SND_SOC_NOPM, 0, 0, &digital_ch3_mux),
-       SND_SOC_DAPM_MUX("Digital CH2 Mux",
-               SND_SOC_NOPM, 0, 0, &digital_ch2_mux),
-       SND_SOC_DAPM_MUX("Digital CH1 Mux",
-               SND_SOC_NOPM, 0, 0, &digital_ch1_mux),
-
-       SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_SUPPLY("MICBIAS2", NAU8540_REG_MIC_BIAS, 11, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MICBIAS1", NAU8540_REG_MIC_BIAS, 10, 0, NULL, 0),
+
+	SND_SOC_DAPM_INPUT("MIC1"),
+	SND_SOC_DAPM_INPUT("MIC2"),
+	SND_SOC_DAPM_INPUT("MIC3"),
+	SND_SOC_DAPM_INPUT("MIC4"),
+
+	SND_SOC_DAPM_PGA("Frontend PGA1", NAU8540_REG_PWR, 12, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Frontend PGA2", NAU8540_REG_PWR, 13, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Frontend PGA3", NAU8540_REG_PWR, 14, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Frontend PGA4", NAU8540_REG_PWR, 15, 0, NULL, 0),
+
+	SND_SOC_DAPM_ADC("ADC1", NULL,
+		NAU8540_REG_POWER_MANAGEMENT, 0, 0),
+	SND_SOC_DAPM_ADC("ADC2", NULL,
+		NAU8540_REG_POWER_MANAGEMENT, 1, 0),
+	SND_SOC_DAPM_ADC("ADC3", NULL,
+		NAU8540_REG_POWER_MANAGEMENT, 2, 0),
+	SND_SOC_DAPM_ADC("ADC4", NULL,
+		NAU8540_REG_POWER_MANAGEMENT, 3, 0),
+
+	SND_SOC_DAPM_PGA("ADC CH1", NAU8540_REG_ANALOG_PWR, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("ADC CH2", NAU8540_REG_ANALOG_PWR, 1, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("ADC CH3", NAU8540_REG_ANALOG_PWR, 2, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("ADC CH4", NAU8540_REG_ANALOG_PWR, 3, 0, NULL, 0),
+
+	SND_SOC_DAPM_MUX("Digital CH4 Mux",
+		SND_SOC_NOPM, 0, 0, &digital_ch4_mux),
+	SND_SOC_DAPM_MUX("Digital CH3 Mux",
+		SND_SOC_NOPM, 0, 0, &digital_ch3_mux),
+	SND_SOC_DAPM_MUX("Digital CH2 Mux",
+		SND_SOC_NOPM, 0, 0, &digital_ch2_mux),
+	SND_SOC_DAPM_MUX("Digital CH1 Mux",
+		SND_SOC_NOPM, 0, 0, &digital_ch1_mux),
+
+	SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, SND_SOC_NOPM, 0, 0),
 };
 
 static const struct snd_soc_dapm_route nau8540_dapm_routes[] = {
-       {"Frontend PGA1", NULL, "MIC1"},
-       {"Frontend PGA2", NULL, "MIC2"},
-       {"Frontend PGA3", NULL, "MIC3"},
-       {"Frontend PGA4", NULL, "MIC4"},
-
-       {"ADC1", NULL, "Frontend PGA1"},
-       {"ADC2", NULL, "Frontend PGA2"},
-       {"ADC3", NULL, "Frontend PGA3"},
-       {"ADC4", NULL, "Frontend PGA4"},
-
-       {"ADC CH1", NULL, "ADC1"},
-       {"ADC CH2", NULL, "ADC2"},
-       {"ADC CH3", NULL, "ADC3"},
-       {"ADC CH4", NULL, "ADC4"},
-
-       {"ADC1", NULL, "MICBIAS1"},
-       {"ADC2", NULL, "MICBIAS1"},
-       {"ADC3", NULL, "MICBIAS2"},
-       {"ADC4", NULL, "MICBIAS2"},
-
-       {"Digital CH1 Mux", "ADC channel 1", "ADC CH1"},
-       {"Digital CH1 Mux", "ADC channel 2", "ADC CH2"},
-       {"Digital CH1 Mux", "ADC channel 3", "ADC CH3"},
-       {"Digital CH1 Mux", "ADC channel 4", "ADC CH4"},
-
-       {"Digital CH2 Mux", "ADC channel 1", "ADC CH1"},
-       {"Digital CH2 Mux", "ADC channel 2", "ADC CH2"},
-       {"Digital CH2 Mux", "ADC channel 3", "ADC CH3"},
-       {"Digital CH2 Mux", "ADC channel 4", "ADC CH4"},
-
-       {"Digital CH3 Mux", "ADC channel 1", "ADC CH1"},
-       {"Digital CH3 Mux", "ADC channel 2", "ADC CH2"},
-       {"Digital CH3 Mux", "ADC channel 3", "ADC CH3"},
-       {"Digital CH3 Mux", "ADC channel 4", "ADC CH4"},
-
-       {"Digital CH4 Mux", "ADC channel 1", "ADC CH1"},
-       {"Digital CH4 Mux", "ADC channel 2", "ADC CH2"},
-       {"Digital CH4 Mux", "ADC channel 3", "ADC CH3"},
-       {"Digital CH4 Mux", "ADC channel 4", "ADC CH4"},
-
-       {"AIFTX", NULL, "Digital CH1 Mux"},
-       {"AIFTX", NULL, "Digital CH2 Mux"},
-       {"AIFTX", NULL, "Digital CH3 Mux"},
-       {"AIFTX", NULL, "Digital CH4 Mux"},
+	{"Frontend PGA1", NULL, "MIC1"},
+	{"Frontend PGA2", NULL, "MIC2"},
+	{"Frontend PGA3", NULL, "MIC3"},
+	{"Frontend PGA4", NULL, "MIC4"},
+
+	{"ADC1", NULL, "Frontend PGA1"},
+	{"ADC2", NULL, "Frontend PGA2"},
+	{"ADC3", NULL, "Frontend PGA3"},
+	{"ADC4", NULL, "Frontend PGA4"},
+
+	{"ADC CH1", NULL, "ADC1"},
+	{"ADC CH2", NULL, "ADC2"},
+	{"ADC CH3", NULL, "ADC3"},
+	{"ADC CH4", NULL, "ADC4"},
+
+	{"ADC1", NULL, "MICBIAS1"},
+	{"ADC2", NULL, "MICBIAS1"},
+	{"ADC3", NULL, "MICBIAS2"},
+	{"ADC4", NULL, "MICBIAS2"},
+
+	{"Digital CH1 Mux", "ADC channel 1", "ADC CH1"},
+	{"Digital CH1 Mux", "ADC channel 2", "ADC CH2"},
+	{"Digital CH1 Mux", "ADC channel 3", "ADC CH3"},
+	{"Digital CH1 Mux", "ADC channel 4", "ADC CH4"},
+
+	{"Digital CH2 Mux", "ADC channel 1", "ADC CH1"},
+	{"Digital CH2 Mux", "ADC channel 2", "ADC CH2"},
+	{"Digital CH2 Mux", "ADC channel 3", "ADC CH3"},
+	{"Digital CH2 Mux", "ADC channel 4", "ADC CH4"},
+
+	{"Digital CH3 Mux", "ADC channel 1", "ADC CH1"},
+	{"Digital CH3 Mux", "ADC channel 2", "ADC CH2"},
+	{"Digital CH3 Mux", "ADC channel 3", "ADC CH3"},
+	{"Digital CH3 Mux", "ADC channel 4", "ADC CH4"},
+
+	{"Digital CH4 Mux", "ADC channel 1", "ADC CH1"},
+	{"Digital CH4 Mux", "ADC channel 2", "ADC CH2"},
+	{"Digital CH4 Mux", "ADC channel 3", "ADC CH3"},
+	{"Digital CH4 Mux", "ADC channel 4", "ADC CH4"},
+
+	{"AIFTX", NULL, "Digital CH1 Mux"},
+	{"AIFTX", NULL, "Digital CH2 Mux"},
+	{"AIFTX", NULL, "Digital CH3 Mux"},
+	{"AIFTX", NULL, "Digital CH4 Mux"},
 };
 
 static int nau8540_clock_check(struct nau8540 *nau8540, int rate, int osr)
 {
-       int osrate;
+	int osrate;
 
-       if (osr >= ARRAY_SIZE(osr_adc_sel))
-               return -EINVAL;
-       osrate = osr_adc_sel[osr].osr;
+	if (osr >= ARRAY_SIZE(osr_adc_sel))
+		return -EINVAL;
+	osrate = osr_adc_sel[osr].osr;
 
-       if (rate * osr > CLK_ADC_MAX) {
-               dev_err(nau8540->dev, "exceed the maximum frequency of CLK_ADC\n");
-               return -EINVAL;
-       }
+	if (rate * osr > CLK_ADC_MAX) {
+		dev_err(nau8540->dev, "exceed the maximum frequency of CLK_ADC\n");
+		return -EINVAL;
+	}
 
-       return 0;
+	return 0;
 }
 
 static int nau8540_hw_params(struct snd_pcm_substream *substream,
-       struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 {
-       struct snd_soc_codec *codec = dai->codec;
-       struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
-       unsigned int val_len = 0, osr;
-
-       /* CLK_ADC = OSR * FS
-        * ADC clock frequency is defined as Over Sampling Rate (OSR)
-        * multiplied by the audio sample rate (Fs). Note that the OSR and Fs
-        * values must be selected such that the maximum frequency is less
-        * than 6.144 MHz.
-        */
-       regmap_read(nau8540->regmap, NAU8540_REG_ADC_SAMPLE_RATE, &osr);
-       osr &= NAU8540_ADC_OSR_MASK;
-       if (nau8540_clock_check(nau8540, params_rate(params), osr))
-               return -EINVAL;
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
-               NAU8540_CLK_ADC_SRC_MASK,
-               osr_adc_sel[osr].clk_src << NAU8540_CLK_ADC_SRC_SFT);
-
-       switch (params_width(params)) {
-       case 16:
-               val_len |= NAU8540_I2S_DL_16;
-               break;
-       case 20:
-               val_len |= NAU8540_I2S_DL_20;
-               break;
-       case 24:
-               val_len |= NAU8540_I2S_DL_24;
-               break;
-       case 32:
-               val_len |= NAU8540_I2S_DL_32;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
-               NAU8540_I2S_DL_MASK, val_len);
-
-       return 0;
+	struct snd_soc_codec *codec = dai->codec;
+	struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+	unsigned int val_len = 0, osr;
+
+	/* CLK_ADC = OSR * FS
+	 * ADC clock frequency is defined as Over Sampling Rate (OSR)
+	 * multiplied by the audio sample rate (Fs). Note that the OSR and Fs
+	 * values must be selected such that the maximum frequency is less
+	 * than 6.144 MHz.
+	 */
+	regmap_read(nau8540->regmap, NAU8540_REG_ADC_SAMPLE_RATE, &osr);
+	osr &= NAU8540_ADC_OSR_MASK;
+	if (nau8540_clock_check(nau8540, params_rate(params), osr))
+		return -EINVAL;
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+		NAU8540_CLK_ADC_SRC_MASK,
+		osr_adc_sel[osr].clk_src << NAU8540_CLK_ADC_SRC_SFT);
+
+	switch (params_width(params)) {
+	case 16:
+		val_len |= NAU8540_I2S_DL_16;
+		break;
+	case 20:
+		val_len |= NAU8540_I2S_DL_20;
+		break;
+	case 24:
+		val_len |= NAU8540_I2S_DL_24;
+		break;
+	case 32:
+		val_len |= NAU8540_I2S_DL_32;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
+		NAU8540_I2S_DL_MASK, val_len);
+
+	return 0;
 }
 
 static int nau8540_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 {
-       struct snd_soc_codec *codec = dai->codec;
-       struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
-       unsigned int ctrl1_val = 0, ctrl2_val = 0;
-
-       switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-       case SND_SOC_DAIFMT_CBM_CFM:
-               ctrl2_val |= NAU8540_I2S_MS_MASTER;
-               break;
-       case SND_SOC_DAIFMT_CBS_CFS:
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-       case SND_SOC_DAIFMT_NB_NF:
-               break;
-       case SND_SOC_DAIFMT_IB_NF:
-               ctrl1_val |= NAU8540_I2S_BP_INV;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-       case SND_SOC_DAIFMT_I2S:
-               ctrl1_val |= NAU8540_I2S_DF_I2S;
-               break;
-       case SND_SOC_DAIFMT_LEFT_J:
-               ctrl1_val |= NAU8540_I2S_DF_LEFT;
-               break;
-       case SND_SOC_DAIFMT_RIGHT_J:
-               ctrl1_val |= NAU8540_I2S_DF_RIGTH;
-               break;
-       case SND_SOC_DAIFMT_DSP_A:
-               ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
-               break;
-       case SND_SOC_DAIFMT_DSP_B:
-               ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
-               ctrl1_val |= NAU8540_I2S_PCMB_EN;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
-               NAU8540_I2S_DL_MASK | NAU8540_I2S_DF_MASK |
-               NAU8540_I2S_BP_INV | NAU8540_I2S_PCMB_EN, ctrl1_val);
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
-               NAU8540_I2S_MS_MASK | NAU8540_I2S_DO12_OE, ctrl2_val);
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
-               NAU8540_I2S_DO34_OE, 0);
-
-       return 0;
+	struct snd_soc_codec *codec = dai->codec;
+	struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+	unsigned int ctrl1_val = 0, ctrl2_val = 0;
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		ctrl2_val |= NAU8540_I2S_MS_MASTER;
+		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+	case SND_SOC_DAIFMT_IB_NF:
+		ctrl1_val |= NAU8540_I2S_BP_INV;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		ctrl1_val |= NAU8540_I2S_DF_I2S;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		ctrl1_val |= NAU8540_I2S_DF_LEFT;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		ctrl1_val |= NAU8540_I2S_DF_RIGTH;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
+		ctrl1_val |= NAU8540_I2S_PCMB_EN;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
+		NAU8540_I2S_DL_MASK | NAU8540_I2S_DF_MASK |
+		NAU8540_I2S_BP_INV | NAU8540_I2S_PCMB_EN, ctrl1_val);
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
+		NAU8540_I2S_MS_MASK | NAU8540_I2S_DO12_OE, ctrl2_val);
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
+		NAU8540_I2S_DO34_OE, 0);
+
+	return 0;
 }
 
 /**
@@ -451,55 +451,55 @@ static int nau8540_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
  * Configures a DAI for TDM operation. Only support 4 slots TDM.
  */
 static int nau8540_set_tdm_slot(struct snd_soc_dai *dai,
-       unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
+	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
 {
-       struct snd_soc_codec *codec = dai->codec;
-       struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
-       unsigned int ctrl2_val = 0, ctrl4_val = 0;
-
-       if (slots > 4 || ((tx_mask & 0xf0) && (tx_mask & 0xf)))
-               return -EINVAL;
-
-       ctrl4_val |= (NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN);
-       if (tx_mask & 0xf0) {
-               ctrl2_val = 4 * slot_width;
-               ctrl4_val |= (tx_mask >> 4);
-       } else {
-               ctrl4_val |= tx_mask;
-       }
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL4,
-               NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN |
-               NAU8540_TDM_TX_MASK, ctrl4_val);
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
-               NAU8540_I2S_DO12_OE, NAU8540_I2S_DO12_OE);
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
-               NAU8540_I2S_DO34_OE | NAU8540_I2S_TSLOT_L_MASK,
-               NAU8540_I2S_DO34_OE | ctrl2_val);
-
-       return 0;
+	struct snd_soc_codec *codec = dai->codec;
+	struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+	unsigned int ctrl2_val = 0, ctrl4_val = 0;
+
+	if (slots > 4 || ((tx_mask & 0xf0) && (tx_mask & 0xf)))
+		return -EINVAL;
+
+	ctrl4_val |= (NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN);
+	if (tx_mask & 0xf0) {
+		ctrl2_val = 4 * slot_width;
+		ctrl4_val |= (tx_mask >> 4);
+	} else {
+		ctrl4_val |= tx_mask;
+	}
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL4,
+		NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN |
+		NAU8540_TDM_TX_MASK, ctrl4_val);
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
+		NAU8540_I2S_DO12_OE, NAU8540_I2S_DO12_OE);
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
+		NAU8540_I2S_DO34_OE | NAU8540_I2S_TSLOT_L_MASK,
+		NAU8540_I2S_DO34_OE | ctrl2_val);
+
+	return 0;
 }
 
 
 static const struct snd_soc_dai_ops nau8540_dai_ops = {
-       .hw_params = nau8540_hw_params,
-       .set_fmt = nau8540_set_fmt,
-       .set_tdm_slot = nau8540_set_tdm_slot,
+	.hw_params = nau8540_hw_params,
+	.set_fmt = nau8540_set_fmt,
+	.set_tdm_slot = nau8540_set_tdm_slot,
 };
 
 #define NAU8540_RATES SNDRV_PCM_RATE_8000_48000
 #define NAU8540_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
-        | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
+	 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
 
 static struct snd_soc_dai_driver nau8540_dai = {
-       .name = "nau8540-hifi",
-       .capture = {
-               .stream_name = "Capture",
-               .channels_min = 1,
-               .channels_max = 4,
-               .rates = NAU8540_RATES,
-               .formats = NAU8540_FORMATS,
-       },
-       .ops = &nau8540_dai_ops,
+	.name = "nau8540-hifi",
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 4,
+		.rates = NAU8540_RATES,
+		.formats = NAU8540_FORMATS,
+	},
+	.ops = &nau8540_dai_ops,
 };
 
 /**
@@ -513,320 +513,320 @@ static struct snd_soc_dai_driver nau8540_dai = {
  * Returns 0 for success or negative error code.
  */
 static int nau8540_calc_fll_param(unsigned int fll_in,
-       unsigned int fs, struct nau8540_fll *fll_param)
+	unsigned int fs, struct nau8540_fll *fll_param)
 {
-       u64 fvco, fvco_max;
-       unsigned int fref, i, fvco_sel;
-
-       /* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing
-        * freq_in by 1, 2, 4, or 8 using FLL pre-scalar.
-        * FREF = freq_in / NAU8540_FLL_REF_DIV_MASK
-        */
-       for (i = 0; i < ARRAY_SIZE(fll_pre_scalar); i++) {
-               fref = fll_in / fll_pre_scalar[i].param;
-               if (fref <= NAU_FREF_MAX)
-                       break;
-       }
-       if (i == ARRAY_SIZE(fll_pre_scalar))
-               return -EINVAL;
-       fll_param->clk_ref_div = fll_pre_scalar[i].val;
-
-       /* Choose the FLL ratio based on FREF */
-       for (i = 0; i < ARRAY_SIZE(fll_ratio); i++) {
-               if (fref >= fll_ratio[i].param)
-                       break;
-       }
-       if (i == ARRAY_SIZE(fll_ratio))
-               return -EINVAL;
-       fll_param->ratio = fll_ratio[i].val;
-
-       /* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs.
-        * FDCO must be within the 90MHz - 124MHz or the FFL cannot be
-        * guaranteed across the full range of operation.
-        * FDCO = freq_out * 2 * mclk_src_scaling
-        */
-       fvco_max = 0;
-       fvco_sel = ARRAY_SIZE(mclk_src_scaling);
-       for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) {
-               fvco = 256 * fs * 2 * mclk_src_scaling[i].param;
-               if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX &&
-                       fvco_max < fvco) {
-                       fvco_max = fvco;
-                       fvco_sel = i;
-               }
-       }
-       if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel)
-               return -EINVAL;
-       fll_param->mclk_src = mclk_src_scaling[fvco_sel].val;
-
-       /* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional
-        * input based on FDCO, FREF and FLL ratio.
-        */
-       fvco = div_u64(fvco_max << 16, fref * fll_param->ratio);
-       fll_param->fll_int = (fvco >> 16) & 0x3FF;
-       fll_param->fll_frac = fvco & 0xFFFF;
-       return 0;
+	u64 fvco, fvco_max;
+	unsigned int fref, i, fvco_sel;
+
+	/* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing
+	 * freq_in by 1, 2, 4, or 8 using FLL pre-scalar.
+	 * FREF = freq_in / NAU8540_FLL_REF_DIV_MASK
+	 */
+	for (i = 0; i < ARRAY_SIZE(fll_pre_scalar); i++) {
+		fref = fll_in / fll_pre_scalar[i].param;
+		if (fref <= NAU_FREF_MAX)
+			break;
+	}
+	if (i == ARRAY_SIZE(fll_pre_scalar))
+		return -EINVAL;
+	fll_param->clk_ref_div = fll_pre_scalar[i].val;
+
+	/* Choose the FLL ratio based on FREF */
+	for (i = 0; i < ARRAY_SIZE(fll_ratio); i++) {
+		if (fref >= fll_ratio[i].param)
+			break;
+	}
+	if (i == ARRAY_SIZE(fll_ratio))
+		return -EINVAL;
+	fll_param->ratio = fll_ratio[i].val;
+
+	/* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs.
+	 * FDCO must be within the 90MHz - 124MHz or the FFL cannot be
+	 * guaranteed across the full range of operation.
+	 * FDCO = freq_out * 2 * mclk_src_scaling
+	 */
+	fvco_max = 0;
+	fvco_sel = ARRAY_SIZE(mclk_src_scaling);
+	for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) {
+		fvco = 256 * fs * 2 * mclk_src_scaling[i].param;
+		if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX &&
+			fvco_max < fvco) {
+			fvco_max = fvco;
+			fvco_sel = i;
+		}
+	}
+	if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel)
+		return -EINVAL;
+	fll_param->mclk_src = mclk_src_scaling[fvco_sel].val;
+
+	/* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional
+	 * input based on FDCO, FREF and FLL ratio.
+	 */
+	fvco = div_u64(fvco_max << 16, fref * fll_param->ratio);
+	fll_param->fll_int = (fvco >> 16) & 0x3FF;
+	fll_param->fll_frac = fvco & 0xFFFF;
+	return 0;
 }
 
 static void nau8540_fll_apply(struct regmap *regmap,
-       struct nau8540_fll *fll_param)
+	struct nau8540_fll *fll_param)
 {
-       regmap_update_bits(regmap, NAU8540_REG_CLOCK_SRC,
-               NAU8540_CLK_SRC_MASK | NAU8540_CLK_MCLK_SRC_MASK,
-               NAU8540_CLK_SRC_MCLK | fll_param->mclk_src);
-       regmap_update_bits(regmap, NAU8540_REG_FLL1,
-               NAU8540_FLL_RATIO_MASK, fll_param->ratio);
-       /* FLL 16-bit fractional input */
-       regmap_write(regmap, NAU8540_REG_FLL2, fll_param->fll_frac);
-       /* FLL 10-bit integer input */
-       regmap_update_bits(regmap, NAU8540_REG_FLL3,
-               NAU8540_FLL_INTEGER_MASK, fll_param->fll_int);
-       /* FLL pre-scaler */
-       regmap_update_bits(regmap, NAU8540_REG_FLL4,
-               NAU8540_FLL_REF_DIV_MASK,
-               fll_param->clk_ref_div << NAU8540_FLL_REF_DIV_SFT);
-       regmap_update_bits(regmap, NAU8540_REG_FLL5,
-               NAU8540_FLL_CLK_SW_MASK, NAU8540_FLL_CLK_SW_REF);
-       regmap_update_bits(regmap,
-               NAU8540_REG_FLL6, NAU8540_DCO_EN, 0);
-       if (fll_param->fll_frac) {
-               regmap_update_bits(regmap, NAU8540_REG_FLL5,
-                       NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
-                       NAU8540_FLL_FTR_SW_MASK,
-                       NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
-                       NAU8540_FLL_FTR_SW_FILTER);
-               regmap_update_bits(regmap, NAU8540_REG_FLL6,
-                       NAU8540_SDM_EN, NAU8540_SDM_EN);
-       } else {
-               regmap_update_bits(regmap, NAU8540_REG_FLL5,
-                       NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
-                       NAU8540_FLL_FTR_SW_MASK, NAU8540_FLL_FTR_SW_ACCU);
-               regmap_update_bits(regmap,
-                       NAU8540_REG_FLL6, NAU8540_SDM_EN, 0);
-       }
+	regmap_update_bits(regmap, NAU8540_REG_CLOCK_SRC,
+		NAU8540_CLK_SRC_MASK | NAU8540_CLK_MCLK_SRC_MASK,
+		NAU8540_CLK_SRC_MCLK | fll_param->mclk_src);
+	regmap_update_bits(regmap, NAU8540_REG_FLL1,
+		NAU8540_FLL_RATIO_MASK, fll_param->ratio);
+	/* FLL 16-bit fractional input */
+	regmap_write(regmap, NAU8540_REG_FLL2, fll_param->fll_frac);
+	/* FLL 10-bit integer input */
+	regmap_update_bits(regmap, NAU8540_REG_FLL3,
+		NAU8540_FLL_INTEGER_MASK, fll_param->fll_int);
+	/* FLL pre-scaler */
+	regmap_update_bits(regmap, NAU8540_REG_FLL4,
+		NAU8540_FLL_REF_DIV_MASK,
+		fll_param->clk_ref_div << NAU8540_FLL_REF_DIV_SFT);
+	regmap_update_bits(regmap, NAU8540_REG_FLL5,
+		NAU8540_FLL_CLK_SW_MASK, NAU8540_FLL_CLK_SW_REF);
+	regmap_update_bits(regmap,
+		NAU8540_REG_FLL6, NAU8540_DCO_EN, 0);
+	if (fll_param->fll_frac) {
+		regmap_update_bits(regmap, NAU8540_REG_FLL5,
+			NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
+			NAU8540_FLL_FTR_SW_MASK,
+			NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
+			NAU8540_FLL_FTR_SW_FILTER);
+		regmap_update_bits(regmap, NAU8540_REG_FLL6,
+			NAU8540_SDM_EN, NAU8540_SDM_EN);
+	} else {
+		regmap_update_bits(regmap, NAU8540_REG_FLL5,
+			NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
+			NAU8540_FLL_FTR_SW_MASK, NAU8540_FLL_FTR_SW_ACCU);
+		regmap_update_bits(regmap,
+			NAU8540_REG_FLL6, NAU8540_SDM_EN, 0);
+	}
 }
 
 /* freq_out must be 256*Fs in order to achieve the best performance */
 static int nau8540_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
-               unsigned int freq_in, unsigned int freq_out)
+		unsigned int freq_in, unsigned int freq_out)
 {
-       struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
-       struct nau8540_fll fll_param;
-       int ret, fs;
-
-       switch (pll_id) {
-       case NAU8540_CLK_FLL_MCLK:
-               regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
-                       NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_MCLK);
-               break;
-
-       case NAU8540_CLK_FLL_BLK:
-               regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
-                       NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_BLK);
-               break;
-
-       case NAU8540_CLK_FLL_FS:
-               regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
-                       NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_FS);
-               break;
-
-       default:
-               dev_err(nau8540->dev, "Invalid clock id (%d)\n", pll_id);
-               return -EINVAL;
-       }
-       dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
-               freq_out, pll_id);
-
-       fs = freq_out / 256;
-       ret = nau8540_calc_fll_param(freq_in, fs, &fll_param);
-       if (ret < 0) {
-               dev_err(nau8540->dev, "Unsupported input clock %d\n", freq_in);
-               return ret;
-       }
-       dev_dbg(nau8540->dev, "mclk_src=%x ratio=%x fll_frac=%x fll_int=%x clk_ref_div=%x\n",
-               fll_param.mclk_src, fll_param.ratio, fll_param.fll_frac,
-               fll_param.fll_int, fll_param.clk_ref_div);
-
-       nau8540_fll_apply(nau8540->regmap, &fll_param);
-       mdelay(2);
-       regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
-               NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
-
-       return 0;
+	struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+	struct nau8540_fll fll_param;
+	int ret, fs;
+
+	switch (pll_id) {
+	case NAU8540_CLK_FLL_MCLK:
+		regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
+			NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_MCLK);
+		break;
+
+	case NAU8540_CLK_FLL_BLK:
+		regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
+			NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_BLK);
+		break;
+
+	case NAU8540_CLK_FLL_FS:
+		regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
+			NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_FS);
+		break;
+
+	default:
+		dev_err(nau8540->dev, "Invalid clock id (%d)\n", pll_id);
+		return -EINVAL;
+	}
+	dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
+		freq_out, pll_id);
+
+	fs = freq_out / 256;
+	ret = nau8540_calc_fll_param(freq_in, fs, &fll_param);
+	if (ret < 0) {
+		dev_err(nau8540->dev, "Unsupported input clock %d\n", freq_in);
+		return ret;
+	}
+	dev_dbg(nau8540->dev, "mclk_src=%x ratio=%x fll_frac=%x fll_int=%x clk_ref_div=%x\n",
+		fll_param.mclk_src, fll_param.ratio, fll_param.fll_frac,
+		fll_param.fll_int, fll_param.clk_ref_div);
+
+	nau8540_fll_apply(nau8540->regmap, &fll_param);
+	mdelay(2);
+	regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+		NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
+
+	return 0;
 }
 
 static int nau8540_set_sysclk(struct snd_soc_codec *codec,
-       int clk_id, int source, unsigned int freq, int dir)
+	int clk_id, int source, unsigned int freq, int dir)
 {
-       struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
-
-       switch (clk_id) {
-       case NAU8540_CLK_DIS:
-       case NAU8540_CLK_MCLK:
-               regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
-                       NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_MCLK);
-               regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
-                       NAU8540_DCO_EN, 0);
-               break;
-
-       case NAU8540_CLK_INTERNAL:
-               regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
-                       NAU8540_DCO_EN, NAU8540_DCO_EN);
-               regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
-                       NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
-               break;
-
-       default:
-               dev_err(nau8540->dev, "Invalid clock id (%d)\n", clk_id);
-               return -EINVAL;
-       }
-
-       dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
-               freq, clk_id);
-
-       return 0;
+	struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+
+	switch (clk_id) {
+	case NAU8540_CLK_DIS:
+	case NAU8540_CLK_MCLK:
+		regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+			NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_MCLK);
+		regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
+			NAU8540_DCO_EN, 0);
+		break;
+
+	case NAU8540_CLK_INTERNAL:
+		regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
+			NAU8540_DCO_EN, NAU8540_DCO_EN);
+		regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+			NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
+		break;
+
+	default:
+		dev_err(nau8540->dev, "Invalid clock id (%d)\n", clk_id);
+		return -EINVAL;
+	}
+
+	dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
+		freq, clk_id);
+
+	return 0;
 }
 
 static void nau8540_reset_chip(struct regmap *regmap)
 {
-       regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
-       regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
+	regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
+	regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
 }
 
 static void nau8540_init_regs(struct nau8540 *nau8540)
 {
-       struct regmap *regmap = nau8540->regmap;
-
-       /* Enable Bias/VMID/VMID Tieoff */
-       regmap_update_bits(regmap, NAU8540_REG_VMID_CTRL,
-               NAU8540_VMID_EN | NAU8540_VMID_SEL_MASK,
-               NAU8540_VMID_EN | (0x2 << NAU8540_VMID_SEL_SFT));
-       regmap_update_bits(regmap, NAU8540_REG_REFERENCE,
-               NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN,
-               NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN);
-       mdelay(2);
-       regmap_update_bits(regmap, NAU8540_REG_MIC_BIAS,
-               NAU8540_PU_PRE, NAU8540_PU_PRE);
-       regmap_update_bits(regmap, NAU8540_REG_CLOCK_CTRL,
-               NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN,
-               NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN);
-       /* ADC OSR selection, CLK_ADC = Fs * OSR */
-       regmap_update_bits(regmap, NAU8540_REG_ADC_SAMPLE_RATE,
-               NAU8540_ADC_OSR_MASK, NAU8540_ADC_OSR_64);
+	struct regmap *regmap = nau8540->regmap;
+
+	/* Enable Bias/VMID/VMID Tieoff */
+	regmap_update_bits(regmap, NAU8540_REG_VMID_CTRL,
+		NAU8540_VMID_EN | NAU8540_VMID_SEL_MASK,
+		NAU8540_VMID_EN | (0x2 << NAU8540_VMID_SEL_SFT));
+	regmap_update_bits(regmap, NAU8540_REG_REFERENCE,
+		NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN,
+		NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN);
+	mdelay(2);
+	regmap_update_bits(regmap, NAU8540_REG_MIC_BIAS,
+		NAU8540_PU_PRE, NAU8540_PU_PRE);
+	regmap_update_bits(regmap, NAU8540_REG_CLOCK_CTRL,
+		NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN,
+		NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN);
+	/* ADC OSR selection, CLK_ADC = Fs * OSR */
+	regmap_update_bits(regmap, NAU8540_REG_ADC_SAMPLE_RATE,
+		NAU8540_ADC_OSR_MASK, NAU8540_ADC_OSR_64);
 }
 
 static int __maybe_unused nau8540_suspend(struct snd_soc_codec *codec)
 {
-       struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+	struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
 
-       regcache_cache_only(nau8540->regmap, true);
-       regcache_mark_dirty(nau8540->regmap);
+	regcache_cache_only(nau8540->regmap, true);
+	regcache_mark_dirty(nau8540->regmap);
 
-       return 0;
+	return 0;
 }
 
 static int __maybe_unused nau8540_resume(struct snd_soc_codec *codec)
 {
-       struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+	struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
 
-       regcache_cache_only(nau8540->regmap, false);
-       regcache_sync(nau8540->regmap);
+	regcache_cache_only(nau8540->regmap, false);
+	regcache_sync(nau8540->regmap);
 
-       return 0;
+	return 0;
 }
 
 static struct snd_soc_codec_driver nau8540_codec_driver = {
-       .set_sysclk = nau8540_set_sysclk,
-       .set_pll = nau8540_set_pll,
-       .suspend = nau8540_suspend,
-       .resume = nau8540_resume,
-       .suspend_bias_off = true,
-
-       .component_driver = {
-               .controls = nau8540_snd_controls,
-               .num_controls = ARRAY_SIZE(nau8540_snd_controls),
-               .dapm_widgets = nau8540_dapm_widgets,
-               .num_dapm_widgets = ARRAY_SIZE(nau8540_dapm_widgets),
-               .dapm_routes = nau8540_dapm_routes,
-               .num_dapm_routes = ARRAY_SIZE(nau8540_dapm_routes),
-       },
+	.set_sysclk = nau8540_set_sysclk,
+	.set_pll = nau8540_set_pll,
+	.suspend = nau8540_suspend,
+	.resume = nau8540_resume,
+	.suspend_bias_off = true,
+
+	.component_driver = {
+		.controls = nau8540_snd_controls,
+		.num_controls = ARRAY_SIZE(nau8540_snd_controls),
+		.dapm_widgets = nau8540_dapm_widgets,
+		.num_dapm_widgets = ARRAY_SIZE(nau8540_dapm_widgets),
+		.dapm_routes = nau8540_dapm_routes,
+		.num_dapm_routes = ARRAY_SIZE(nau8540_dapm_routes),
+	},
 };
 
 static const struct regmap_config nau8540_regmap_config = {
-       .val_bits = 16,
-       .reg_bits = 16,
+	.val_bits = 16,
+	.reg_bits = 16,
 
-       .max_register = NAU8540_REG_MAX,
-       .readable_reg = nau8540_readable_reg,
-       .writeable_reg = nau8540_writeable_reg,
-       .volatile_reg = nau8540_volatile_reg,
+	.max_register = NAU8540_REG_MAX,
+	.readable_reg = nau8540_readable_reg,
+	.writeable_reg = nau8540_writeable_reg,
+	.volatile_reg = nau8540_volatile_reg,
 
-       .cache_type = REGCACHE_RBTREE,
-       .reg_defaults = nau8540_reg_defaults,
-       .num_reg_defaults = ARRAY_SIZE(nau8540_reg_defaults),
+	.cache_type = REGCACHE_RBTREE,
+	.reg_defaults = nau8540_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(nau8540_reg_defaults),
 };
 
 static int nau8540_i2c_probe(struct i2c_client *i2c,
-       const struct i2c_device_id *id)
+	const struct i2c_device_id *id)
 {
-       struct device *dev = &i2c->dev;
-       struct nau8540 *nau8540 = dev_get_platdata(dev);
-       int ret, value;
-
-       if (!nau8540) {
-               nau8540 = devm_kzalloc(dev, sizeof(*nau8540), GFP_KERNEL);
-               if (!nau8540)
-                       return -ENOMEM;
-       }
-       i2c_set_clientdata(i2c, nau8540);
-
-       nau8540->regmap = devm_regmap_init_i2c(i2c, &nau8540_regmap_config);
-       if (IS_ERR(nau8540->regmap))
-               return PTR_ERR(nau8540->regmap);
-       ret = regmap_read(nau8540->regmap, NAU8540_REG_I2C_DEVICE_ID, &value);
-       if (ret < 0) {
-               dev_err(dev, "Failed to read device id from the NAU85L40: %d\n",
-                       ret);
-               return ret;
-       }
-
-       nau8540->dev = dev;
-       nau8540_reset_chip(nau8540->regmap);
-       nau8540_init_regs(nau8540);
-
-       return snd_soc_register_codec(dev,
-               &nau8540_codec_driver, &nau8540_dai, 1);
+	struct device *dev = &i2c->dev;
+	struct nau8540 *nau8540 = dev_get_platdata(dev);
+	int ret, value;
+
+	if (!nau8540) {
+		nau8540 = devm_kzalloc(dev, sizeof(*nau8540), GFP_KERNEL);
+		if (!nau8540)
+			return -ENOMEM;
+	}
+	i2c_set_clientdata(i2c, nau8540);
+
+	nau8540->regmap = devm_regmap_init_i2c(i2c, &nau8540_regmap_config);
+	if (IS_ERR(nau8540->regmap))
+		return PTR_ERR(nau8540->regmap);
+	ret = regmap_read(nau8540->regmap, NAU8540_REG_I2C_DEVICE_ID, &value);
+	if (ret < 0) {
+		dev_err(dev, "Failed to read device id from the NAU85L40: %d\n",
+			ret);
+		return ret;
+	}
+
+	nau8540->dev = dev;
+	nau8540_reset_chip(nau8540->regmap);
+	nau8540_init_regs(nau8540);
+
+	return snd_soc_register_codec(dev,
+		&nau8540_codec_driver, &nau8540_dai, 1);
 }
 
 static int nau8540_i2c_remove(struct i2c_client *client)
 {
-       snd_soc_unregister_codec(&client->dev);
-       return 0;
+	snd_soc_unregister_codec(&client->dev);
+	return 0;
 }
 
 
 static const struct i2c_device_id nau8540_i2c_ids[] = {
-       { "nau8540", 0 },
-       { }
+	{ "nau8540", 0 },
+	{ }
 };
 MODULE_DEVICE_TABLE(i2c, nau8540_i2c_ids);
 
 #ifdef CONFIG_OF
 static const struct of_device_id nau8540_of_ids[] = {
-       { .compatible = "nuvoton,nau8540", },
-       {}
+	{ .compatible = "nuvoton,nau8540", },
+	{}
 };
 MODULE_DEVICE_TABLE(of, nau8540_of_ids);
 #endif
 
 static struct i2c_driver nau8540_i2c_driver = {
-       .driver = {
-               .name = "nau8540",
-               .of_match_table = of_match_ptr(nau8540_of_ids),
-       },
-       .probe = nau8540_i2c_probe,
-       .remove = nau8540_i2c_remove,
-       .id_table = nau8540_i2c_ids,
+	.driver = {
+		.name = "nau8540",
+		.of_match_table = of_match_ptr(nau8540_of_ids),
+	},
+	.probe = nau8540_i2c_probe,
+	.remove = nau8540_i2c_remove,
+	.id_table = nau8540_i2c_ids,
 };
 module_i2c_driver(nau8540_i2c_driver);