Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1361 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c
new file mode 100644
index 000000000..457bc437c
--- /dev/null
+++ b/sound/soc/codecs/wm8990.c
@@ -0,0 +1,1361 @@
+/*
+ * wm8990.c  --  WM8990 ALSA Soc Audio driver
+ *
+ * Copyright 2008 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <asm/div64.h>
+
+#include "wm8990.h"
+
+/* codec private data */
+struct wm8990_priv {
+	struct regmap *regmap;
+	unsigned int sysclk;
+	unsigned int pcmclk;
+};
+
+static bool wm8990_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case WM8990_RESET:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const struct reg_default wm8990_reg_defaults[] = {
+	{  1, 0x0000 },     /* R1  - Power Management (1) */
+	{  2, 0x6000 },     /* R2  - Power Management (2) */
+	{  3, 0x0000 },     /* R3  - Power Management (3) */
+	{  4, 0x4050 },     /* R4  - Audio Interface (1) */
+	{  5, 0x4000 },     /* R5  - Audio Interface (2) */
+	{  6, 0x01C8 },     /* R6  - Clocking (1) */
+	{  7, 0x0000 },     /* R7  - Clocking (2) */
+	{  8, 0x0040 },     /* R8  - Audio Interface (3) */
+	{  9, 0x0040 },     /* R9  - Audio Interface (4) */
+	{ 10, 0x0004 },     /* R10 - DAC CTRL */
+	{ 11, 0x00C0 },     /* R11 - Left DAC Digital Volume */
+	{ 12, 0x00C0 },     /* R12 - Right DAC Digital Volume */
+	{ 13, 0x0000 },     /* R13 - Digital Side Tone */
+	{ 14, 0x0100 },     /* R14 - ADC CTRL */
+	{ 15, 0x00C0 },     /* R15 - Left ADC Digital Volume */
+	{ 16, 0x00C0 },     /* R16 - Right ADC Digital Volume */
+
+	{ 18, 0x0000 },     /* R18 - GPIO CTRL 1 */
+	{ 19, 0x1000 },     /* R19 - GPIO1 & GPIO2 */
+	{ 20, 0x1010 },     /* R20 - GPIO3 & GPIO4 */
+	{ 21, 0x1010 },     /* R21 - GPIO5 & GPIO6 */
+	{ 22, 0x8000 },     /* R22 - GPIOCTRL 2 */
+	{ 23, 0x0800 },     /* R23 - GPIO_POL */
+	{ 24, 0x008B },     /* R24 - Left Line Input 1&2 Volume */
+	{ 25, 0x008B },     /* R25 - Left Line Input 3&4 Volume */
+	{ 26, 0x008B },     /* R26 - Right Line Input 1&2 Volume */
+	{ 27, 0x008B },     /* R27 - Right Line Input 3&4 Volume */
+	{ 28, 0x0000 },     /* R28 - Left Output Volume */
+	{ 29, 0x0000 },     /* R29 - Right Output Volume */
+	{ 30, 0x0066 },     /* R30 - Line Outputs Volume */
+	{ 31, 0x0022 },     /* R31 - Out3/4 Volume */
+	{ 32, 0x0079 },     /* R32 - Left OPGA Volume */
+	{ 33, 0x0079 },     /* R33 - Right OPGA Volume */
+	{ 34, 0x0003 },     /* R34 - Speaker Volume */
+	{ 35, 0x0003 },     /* R35 - ClassD1 */
+
+	{ 37, 0x0100 },     /* R37 - ClassD3 */
+	{ 38, 0x0079 },     /* R38 - ClassD4 */
+	{ 39, 0x0000 },     /* R39 - Input Mixer1 */
+	{ 40, 0x0000 },     /* R40 - Input Mixer2 */
+	{ 41, 0x0000 },     /* R41 - Input Mixer3 */
+	{ 42, 0x0000 },     /* R42 - Input Mixer4 */
+	{ 43, 0x0000 },     /* R43 - Input Mixer5 */
+	{ 44, 0x0000 },     /* R44 - Input Mixer6 */
+	{ 45, 0x0000 },     /* R45 - Output Mixer1 */
+	{ 46, 0x0000 },     /* R46 - Output Mixer2 */
+	{ 47, 0x0000 },     /* R47 - Output Mixer3 */
+	{ 48, 0x0000 },     /* R48 - Output Mixer4 */
+	{ 49, 0x0000 },     /* R49 - Output Mixer5 */
+	{ 50, 0x0000 },     /* R50 - Output Mixer6 */
+	{ 51, 0x0180 },     /* R51 - Out3/4 Mixer */
+	{ 52, 0x0000 },     /* R52 - Line Mixer1 */
+	{ 53, 0x0000 },     /* R53 - Line Mixer2 */
+	{ 54, 0x0000 },     /* R54 - Speaker Mixer */
+	{ 55, 0x0000 },     /* R55 - Additional Control */
+	{ 56, 0x0000 },     /* R56 - AntiPOP1 */
+	{ 57, 0x0000 },     /* R57 - AntiPOP2 */
+	{ 58, 0x0000 },     /* R58 - MICBIAS */
+
+	{ 60, 0x0008 },     /* R60 - PLL1 */
+	{ 61, 0x0031 },     /* R61 - PLL2 */
+	{ 62, 0x0026 },     /* R62 - PLL3 */
+};
+
+#define wm8990_reset(c) snd_soc_component_write(c, WM8990_RESET, 0)
+
+static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
+
+static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
+
+static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0);
+
+static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
+
+static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
+
+static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
+
+static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
+
+static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
+
+static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	int reg = mc->reg;
+	int ret;
+	u16 val;
+
+	ret = snd_soc_put_volsw(kcontrol, ucontrol);
+	if (ret < 0)
+		return ret;
+
+	/* now hit the volume update bits (always bit 8) */
+	val = snd_soc_component_read32(component, reg);
+	return snd_soc_component_write(component, reg, val | 0x0100);
+}
+
+#define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
+	tlv_array) \
+	SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
+		snd_soc_get_volsw, wm899x_outpga_put_volsw_vu, tlv_array)
+
+
+static const char *wm8990_digital_sidetone[] =
+	{"None", "Left ADC", "Right ADC", "Reserved"};
+
+static SOC_ENUM_SINGLE_DECL(wm8990_left_digital_sidetone_enum,
+			    WM8990_DIGITAL_SIDE_TONE,
+			    WM8990_ADC_TO_DACL_SHIFT,
+			    wm8990_digital_sidetone);
+
+static SOC_ENUM_SINGLE_DECL(wm8990_right_digital_sidetone_enum,
+			    WM8990_DIGITAL_SIDE_TONE,
+			    WM8990_ADC_TO_DACR_SHIFT,
+			    wm8990_digital_sidetone);
+
+static const char *wm8990_adcmode[] =
+	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
+
+static SOC_ENUM_SINGLE_DECL(wm8990_right_adcmode_enum,
+			    WM8990_ADC_CTRL,
+			    WM8990_ADC_HPF_CUT_SHIFT,
+			    wm8990_adcmode);
+
+static const struct snd_kcontrol_new wm8990_snd_controls[] = {
+/* INMIXL */
+SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
+SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
+/* INMIXR */
+SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
+SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
+
+/* LOMIX */
+SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
+	WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
+	WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
+	WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
+	WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
+	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
+	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
+
+/* ROMIX */
+SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
+	WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
+	WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
+	WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
+	WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
+	WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
+SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
+	WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
+
+/* LOUT */
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
+	WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
+SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
+
+/* ROUT */
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
+	WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
+SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
+
+/* LOPGA */
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
+	WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
+SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
+	WM8990_LOPGAZC_BIT, 1, 0),
+
+/* ROPGA */
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
+	WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
+SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
+	WM8990_ROPGAZC_BIT, 1, 0),
+
+SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
+	WM8990_LONMUTE_BIT, 1, 0),
+SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
+	WM8990_LOPMUTE_BIT, 1, 0),
+SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
+	WM8990_LOATTN_BIT, 1, 0),
+SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
+	WM8990_RONMUTE_BIT, 1, 0),
+SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
+	WM8990_ROPMUTE_BIT, 1, 0),
+SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
+	WM8990_ROATTN_BIT, 1, 0),
+
+SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
+	WM8990_OUT3MUTE_BIT, 1, 0),
+SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
+	WM8990_OUT3ATTN_BIT, 1, 0),
+
+SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
+	WM8990_OUT4MUTE_BIT, 1, 0),
+SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
+	WM8990_OUT4ATTN_BIT, 1, 0),
+
+SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
+	WM8990_CDMODE_BIT, 1, 0),
+
+SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
+	WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
+SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
+	WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
+SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
+	WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
+SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
+	WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
+SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
+	WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
+	WM8990_LEFT_DAC_DIGITAL_VOLUME,
+	WM8990_DACL_VOL_SHIFT,
+	WM8990_DACL_VOL_MASK,
+	0,
+	out_dac_tlv),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
+	WM8990_RIGHT_DAC_DIGITAL_VOLUME,
+	WM8990_DACR_VOL_SHIFT,
+	WM8990_DACR_VOL_MASK,
+	0,
+	out_dac_tlv),
+
+SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
+SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
+
+SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
+	WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
+	out_sidetone_tlv),
+SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
+	WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
+	out_sidetone_tlv),
+
+SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
+	WM8990_ADC_HPF_ENA_BIT, 1, 0),
+
+SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
+	WM8990_LEFT_ADC_DIGITAL_VOLUME,
+	WM8990_ADCL_VOL_SHIFT,
+	WM8990_ADCL_VOL_MASK,
+	0,
+	in_adc_tlv),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
+	WM8990_RIGHT_ADC_DIGITAL_VOLUME,
+	WM8990_ADCR_VOL_SHIFT,
+	WM8990_ADCR_VOL_MASK,
+	0,
+	in_adc_tlv),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
+	WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
+	WM8990_LIN12VOL_SHIFT,
+	WM8990_LIN12VOL_MASK,
+	0,
+	in_pga_tlv),
+
+SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
+	WM8990_LI12ZC_BIT, 1, 0),
+
+SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
+	WM8990_LI12MUTE_BIT, 1, 0),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
+	WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
+	WM8990_LIN34VOL_SHIFT,
+	WM8990_LIN34VOL_MASK,
+	0,
+	in_pga_tlv),
+
+SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
+	WM8990_LI34ZC_BIT, 1, 0),
+
+SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
+	WM8990_LI34MUTE_BIT, 1, 0),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
+	WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
+	WM8990_RIN12VOL_SHIFT,
+	WM8990_RIN12VOL_MASK,
+	0,
+	in_pga_tlv),
+
+SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
+	WM8990_RI12ZC_BIT, 1, 0),
+
+SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
+	WM8990_RI12MUTE_BIT, 1, 0),
+
+SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
+	WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
+	WM8990_RIN34VOL_SHIFT,
+	WM8990_RIN34VOL_MASK,
+	0,
+	in_pga_tlv),
+
+SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
+	WM8990_RI34ZC_BIT, 1, 0),
+
+SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
+	WM8990_RI34MUTE_BIT, 1, 0),
+
+};
+
+/*
+ * _DAPM_ Controls
+ */
+
+static int outmixer_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);
+	u32 reg_shift = kcontrol->private_value & 0xfff;
+	int ret = 0;
+	u16 reg;
+
+	switch (reg_shift) {
+	case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
+		reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER1);
+		if (reg & WM8990_LDLO) {
+			printk(KERN_WARNING
+			"Cannot set as Output Mixer 1 LDLO Set\n");
+			ret = -1;
+		}
+		break;
+	case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
+		reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER2);
+		if (reg & WM8990_RDRO) {
+			printk(KERN_WARNING
+			"Cannot set as Output Mixer 2 RDRO Set\n");
+			ret = -1;
+		}
+		break;
+	case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
+		reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
+		if (reg & WM8990_LDSPK) {
+			printk(KERN_WARNING
+			"Cannot set as Speaker Mixer LDSPK Set\n");
+			ret = -1;
+		}
+		break;
+	case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
+		reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
+		if (reg & WM8990_RDSPK) {
+			printk(KERN_WARNING
+			"Cannot set as Speaker Mixer RDSPK Set\n");
+			ret = -1;
+		}
+		break;
+	}
+
+	return ret;
+}
+
+/* INMIX dB values */
+static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
+
+/* Left In PGA Connections */
+static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
+SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
+SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
+SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
+SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
+};
+
+/* Right In PGA Connections */
+static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
+SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
+SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
+SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
+SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
+};
+
+/* INMIXL */
+static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
+SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
+	WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
+SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
+	7, 0, in_mix_tlv),
+SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
+	1, 0),
+SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
+	1, 0),
+};
+
+/* INMIXR */
+static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
+SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
+	WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
+SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
+	7, 0, in_mix_tlv),
+SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
+	1, 0),
+SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
+	1, 0),
+};
+
+/* AINLMUX */
+static const char *wm8990_ainlmux[] =
+	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
+
+static SOC_ENUM_SINGLE_DECL(wm8990_ainlmux_enum,
+			    WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
+			    wm8990_ainlmux);
+
+static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
+SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
+
+/* DIFFINL */
+
+/* AINRMUX */
+static const char *wm8990_ainrmux[] =
+	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
+
+static SOC_ENUM_SINGLE_DECL(wm8990_ainrmux_enum,
+			    WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
+			    wm8990_ainrmux);
+
+static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
+SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
+
+/* RXVOICE */
+static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
+SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
+			WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
+SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
+			WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
+};
+
+/* LOMIX */
+static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
+SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
+	WM8990_LRBLO_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
+	WM8990_LLBLO_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
+	WM8990_LRI3LO_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
+	WM8990_LLI3LO_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
+	WM8990_LR12LO_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
+	WM8990_LL12LO_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
+	WM8990_LDLO_BIT, 1, 0),
+};
+
+/* ROMIX */
+static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
+SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
+	WM8990_RLBRO_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
+	WM8990_RRBRO_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
+	WM8990_RLI3RO_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
+	WM8990_RRI3RO_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
+	WM8990_RL12RO_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
+	WM8990_RR12RO_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
+	WM8990_RDRO_BIT, 1, 0),
+};
+
+/* LONMIX */
+static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
+SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
+	WM8990_LLOPGALON_BIT, 1, 0),
+SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
+	WM8990_LROPGALON_BIT, 1, 0),
+SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
+	WM8990_LOPLON_BIT, 1, 0),
+};
+
+/* LOPMIX */
+static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
+SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
+	WM8990_LR12LOP_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
+	WM8990_LL12LOP_BIT, 1, 0),
+SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
+	WM8990_LLOPGALOP_BIT, 1, 0),
+};
+
+/* RONMIX */
+static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
+SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
+	WM8990_RROPGARON_BIT, 1, 0),
+SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
+	WM8990_RLOPGARON_BIT, 1, 0),
+SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
+	WM8990_ROPRON_BIT, 1, 0),
+};
+
+/* ROPMIX */
+static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
+SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
+	WM8990_RL12ROP_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
+	WM8990_RR12ROP_BIT, 1, 0),
+SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
+	WM8990_RROPGAROP_BIT, 1, 0),
+};
+
+/* OUT3MIX */
+static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
+SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
+	WM8990_LI4O3_BIT, 1, 0),
+SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
+	WM8990_LPGAO3_BIT, 1, 0),
+};
+
+/* OUT4MIX */
+static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
+SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
+	WM8990_RPGAO4_BIT, 1, 0),
+SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
+	WM8990_RI4O4_BIT, 1, 0),
+};
+
+/* SPKMIX */
+static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
+SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
+	WM8990_LI2SPK_BIT, 1, 0),
+SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
+	WM8990_LB2SPK_BIT, 1, 0),
+SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
+	WM8990_LOPGASPK_BIT, 1, 0),
+SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
+	WM8990_LDSPK_BIT, 1, 0),
+SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
+	WM8990_RDSPK_BIT, 1, 0),
+SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
+	WM8990_ROPGASPK_BIT, 1, 0),
+SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
+	WM8990_RL12ROP_BIT, 1, 0),
+SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
+	WM8990_RI2SPK_BIT, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
+/* Input Side */
+/* Input Lines */
+SND_SOC_DAPM_INPUT("LIN1"),
+SND_SOC_DAPM_INPUT("LIN2"),
+SND_SOC_DAPM_INPUT("LIN3"),
+SND_SOC_DAPM_INPUT("LIN4/RXN"),
+SND_SOC_DAPM_INPUT("RIN3"),
+SND_SOC_DAPM_INPUT("RIN4/RXP"),
+SND_SOC_DAPM_INPUT("RIN1"),
+SND_SOC_DAPM_INPUT("RIN2"),
+SND_SOC_DAPM_INPUT("Internal ADC Source"),
+
+SND_SOC_DAPM_SUPPLY("INL", WM8990_POWER_MANAGEMENT_2, WM8990_AINL_ENA_BIT, 0,
+		    NULL, 0),
+SND_SOC_DAPM_SUPPLY("INR", WM8990_POWER_MANAGEMENT_2, WM8990_AINR_ENA_BIT, 0,
+		    NULL, 0),
+
+/* DACs */
+SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
+	WM8990_ADCL_ENA_BIT, 0),
+SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
+	WM8990_ADCR_ENA_BIT, 0),
+
+/* Input PGAs */
+SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
+	0, &wm8990_dapm_lin12_pga_controls[0],
+	ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
+SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
+	0, &wm8990_dapm_lin34_pga_controls[0],
+	ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
+SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
+	0, &wm8990_dapm_rin12_pga_controls[0],
+	ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
+SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
+	0, &wm8990_dapm_rin34_pga_controls[0],
+	ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
+
+/* INMIXL */
+SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
+	&wm8990_dapm_inmixl_controls[0],
+	ARRAY_SIZE(wm8990_dapm_inmixl_controls)),
+
+/* AINLMUX */
+SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainlmux_controls),
+
+/* INMIXR */
+SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
+	&wm8990_dapm_inmixr_controls[0],
+	ARRAY_SIZE(wm8990_dapm_inmixr_controls)),
+
+/* AINRMUX */
+SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainrmux_controls),
+
+/* Output Side */
+/* DACs */
+SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
+	WM8990_DACL_ENA_BIT, 0),
+SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
+	WM8990_DACR_ENA_BIT, 0),
+
+/* LOMIX */
+SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
+	0, &wm8990_dapm_lomix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_lomix_controls),
+	outmixer_event, SND_SOC_DAPM_PRE_REG),
+
+/* LONMIX */
+SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
+	&wm8990_dapm_lonmix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
+
+/* LOPMIX */
+SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
+	&wm8990_dapm_lopmix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
+
+/* OUT3MIX */
+SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
+	&wm8990_dapm_out3mix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
+
+/* SPKMIX */
+SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
+	&wm8990_dapm_spkmix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
+	SND_SOC_DAPM_PRE_REG),
+
+/* OUT4MIX */
+SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
+	&wm8990_dapm_out4mix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
+
+/* ROPMIX */
+SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
+	&wm8990_dapm_ropmix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
+
+/* RONMIX */
+SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
+	&wm8990_dapm_ronmix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
+
+/* ROMIX */
+SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
+	0, &wm8990_dapm_romix_controls[0],
+	ARRAY_SIZE(wm8990_dapm_romix_controls),
+	outmixer_event, SND_SOC_DAPM_PRE_REG),
+
+/* LOUT PGA */
+SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
+	NULL, 0),
+
+/* ROUT PGA */
+SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
+	NULL, 0),
+
+/* LOPGA */
+SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
+	NULL, 0),
+
+/* ROPGA */
+SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
+	NULL, 0),
+
+/* MICBIAS */
+SND_SOC_DAPM_SUPPLY("MICBIAS", WM8990_POWER_MANAGEMENT_1,
+		    WM8990_MICBIAS_ENA_BIT, 0, NULL, 0),
+
+SND_SOC_DAPM_OUTPUT("LON"),
+SND_SOC_DAPM_OUTPUT("LOP"),
+SND_SOC_DAPM_OUTPUT("OUT3"),
+SND_SOC_DAPM_OUTPUT("LOUT"),
+SND_SOC_DAPM_OUTPUT("SPKN"),
+SND_SOC_DAPM_OUTPUT("SPKP"),
+SND_SOC_DAPM_OUTPUT("ROUT"),
+SND_SOC_DAPM_OUTPUT("OUT4"),
+SND_SOC_DAPM_OUTPUT("ROP"),
+SND_SOC_DAPM_OUTPUT("RON"),
+
+SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
+};
+
+static const struct snd_soc_dapm_route wm8990_dapm_routes[] = {
+	/* Make DACs turn on when playing even if not mixed into any outputs */
+	{"Internal DAC Sink", NULL, "Left DAC"},
+	{"Internal DAC Sink", NULL, "Right DAC"},
+
+	/* Make ADCs turn on when recording even if not mixed from any inputs */
+	{"Left ADC", NULL, "Internal ADC Source"},
+	{"Right ADC", NULL, "Internal ADC Source"},
+
+	{"AINLMUX", NULL, "INL"},
+	{"INMIXL", NULL, "INL"},
+	{"AINRMUX", NULL, "INR"},
+	{"INMIXR", NULL, "INR"},
+
+	/* Input Side */
+	/* LIN12 PGA */
+	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
+	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
+	/* LIN34 PGA */
+	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
+	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
+	/* INMIXL */
+	{"INMIXL", "Record Left Volume", "LOMIX"},
+	{"INMIXL", "LIN2 Volume", "LIN2"},
+	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
+	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
+	/* AINLMUX */
+	{"AINLMUX", "INMIXL Mix", "INMIXL"},
+	{"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
+	{"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
+	{"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
+	{"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
+	/* ADC */
+	{"Left ADC", NULL, "AINLMUX"},
+
+	/* RIN12 PGA */
+	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
+	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
+	/* RIN34 PGA */
+	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
+	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
+	/* INMIXL */
+	{"INMIXR", "Record Right Volume", "ROMIX"},
+	{"INMIXR", "RIN2 Volume", "RIN2"},
+	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
+	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
+	/* AINRMUX */
+	{"AINRMUX", "INMIXR Mix", "INMIXR"},
+	{"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
+	{"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
+	{"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
+	{"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
+	/* ADC */
+	{"Right ADC", NULL, "AINRMUX"},
+
+	/* LOMIX */
+	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
+	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
+	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
+	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
+	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
+	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
+	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
+
+	/* ROMIX */
+	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
+	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
+	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
+	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
+	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
+	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
+	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
+
+	/* SPKMIX */
+	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
+	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
+	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
+	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
+	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
+	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
+	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
+	{"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
+
+	/* LONMIX */
+	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
+	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
+	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
+
+	/* LOPMIX */
+	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
+	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
+	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
+
+	/* OUT3MIX */
+	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
+	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
+
+	/* OUT4MIX */
+	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
+	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
+
+	/* RONMIX */
+	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
+	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
+	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
+
+	/* ROPMIX */
+	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
+	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
+	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
+
+	/* Out Mixer PGAs */
+	{"LOPGA", NULL, "LOMIX"},
+	{"ROPGA", NULL, "ROMIX"},
+
+	{"LOUT PGA", NULL, "LOMIX"},
+	{"ROUT PGA", NULL, "ROMIX"},
+
+	/* Output Pins */
+	{"LON", NULL, "LONMIX"},
+	{"LOP", NULL, "LOPMIX"},
+	{"OUT3", NULL, "OUT3MIX"},
+	{"LOUT", NULL, "LOUT PGA"},
+	{"SPKN", NULL, "SPKMIX"},
+	{"ROUT", NULL, "ROUT PGA"},
+	{"OUT4", NULL, "OUT4MIX"},
+	{"ROP", NULL, "ROPMIX"},
+	{"RON", NULL, "RONMIX"},
+};
+
+/* PLL divisors */
+struct _pll_div {
+	u32 div2;
+	u32 n;
+	u32 k;
+};
+
+/* The size in bits of the pll divide multiplied by 10
+ * to allow rounding later */
+#define FIXED_PLL_SIZE ((1 << 16) * 10)
+
+static void pll_factors(struct _pll_div *pll_div, unsigned int target,
+	unsigned int source)
+{
+	u64 Kpart;
+	unsigned int K, Ndiv, Nmod;
+
+
+	Ndiv = target / source;
+	if (Ndiv < 6) {
+		source >>= 1;
+		pll_div->div2 = 1;
+		Ndiv = target / source;
+	} else
+		pll_div->div2 = 0;
+
+	if ((Ndiv < 6) || (Ndiv > 12))
+		printk(KERN_WARNING
+		"WM8990 N value outwith recommended range! N = %u\n", Ndiv);
+
+	pll_div->n = Ndiv;
+	Nmod = target % source;
+	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
+
+	do_div(Kpart, source);
+
+	K = Kpart & 0xFFFFFFFF;
+
+	/* Check if we need to round */
+	if ((K % 10) >= 5)
+		K += 5;
+
+	/* Move down to proper range now rounding is done */
+	K /= 10;
+
+	pll_div->k = K;
+}
+
+static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
+		int source, unsigned int freq_in, unsigned int freq_out)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	struct _pll_div pll_div;
+
+	if (freq_in && freq_out) {
+		pll_factors(&pll_div, freq_out * 4, freq_in);
+
+		/* Turn on PLL */
+		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
+				    WM8990_PLL_ENA, WM8990_PLL_ENA);
+
+		/* sysclk comes from PLL */
+		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
+				    WM8990_SYSCLK_SRC, WM8990_SYSCLK_SRC);
+
+		/* set up N , fractional mode and pre-divisor if necessary */
+		snd_soc_component_write(component, WM8990_PLL1, pll_div.n | WM8990_SDM |
+			(pll_div.div2?WM8990_PRESCALE:0));
+		snd_soc_component_write(component, WM8990_PLL2, (u8)(pll_div.k>>8));
+		snd_soc_component_write(component, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
+	} else {
+		/* Turn off PLL */
+		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
+				    WM8990_PLL_ENA, 0);
+	}
+	return 0;
+}
+
+/*
+ * Clock after PLL and dividers
+ */
+static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+		int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
+
+	wm8990->sysclk = freq;
+	return 0;
+}
+
+/*
+ * Set's ADC and Voice DAC format.
+ */
+static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
+		unsigned int fmt)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	u16 audio1, audio3;
+
+	audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
+	audio3 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_3);
+
+	/* set master/slave audio interface */
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBS_CFS:
+		audio3 &= ~WM8990_AIF_MSTR1;
+		break;
+	case SND_SOC_DAIFMT_CBM_CFM:
+		audio3 |= WM8990_AIF_MSTR1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	audio1 &= ~WM8990_AIF_FMT_MASK;
+
+	/* interface format */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		audio1 |= WM8990_AIF_TMF_I2S;
+		audio1 &= ~WM8990_AIF_LRCLK_INV;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		audio1 |= WM8990_AIF_TMF_RIGHTJ;
+		audio1 &= ~WM8990_AIF_LRCLK_INV;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		audio1 |= WM8990_AIF_TMF_LEFTJ;
+		audio1 &= ~WM8990_AIF_LRCLK_INV;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		audio1 |= WM8990_AIF_TMF_DSP;
+		audio1 &= ~WM8990_AIF_LRCLK_INV;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
+	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_3, audio3);
+	return 0;
+}
+
+static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
+		int div_id, int div)
+{
+	struct snd_soc_component *component = codec_dai->component;
+
+	switch (div_id) {
+	case WM8990_MCLK_DIV:
+		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
+				    WM8990_MCLK_DIV_MASK, div);
+		break;
+	case WM8990_DACCLK_DIV:
+		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
+				    WM8990_DAC_CLKDIV_MASK, div);
+		break;
+	case WM8990_ADCCLK_DIV:
+		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
+				    WM8990_ADC_CLKDIV_MASK, div);
+		break;
+	case WM8990_BCLK_DIV:
+		snd_soc_component_update_bits(component, WM8990_CLOCKING_1,
+				    WM8990_BCLK_DIV_MASK, div);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*
+ * Set PCM DAI bit size and sample rate.
+ */
+static int wm8990_hw_params(struct snd_pcm_substream *substream,
+			    struct snd_pcm_hw_params *params,
+			    struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	u16 audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
+
+	audio1 &= ~WM8990_AIF_WL_MASK;
+	/* bit size */
+	switch (params_width(params)) {
+	case 16:
+		break;
+	case 20:
+		audio1 |= WM8990_AIF_WL_20BITS;
+		break;
+	case 24:
+		audio1 |= WM8990_AIF_WL_24BITS;
+		break;
+	case 32:
+		audio1 |= WM8990_AIF_WL_32BITS;
+		break;
+	}
+
+	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
+	return 0;
+}
+
+static int wm8990_mute(struct snd_soc_dai *dai, int mute)
+{
+	struct snd_soc_component *component = dai->component;
+	u16 val;
+
+	val  = snd_soc_component_read32(component, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
+
+	if (mute)
+		snd_soc_component_write(component, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
+	else
+		snd_soc_component_write(component, WM8990_DAC_CTRL, val);
+
+	return 0;
+}
+
+static int wm8990_set_bias_level(struct snd_soc_component *component,
+	enum snd_soc_bias_level level)
+{
+	struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		break;
+
+	case SND_SOC_BIAS_PREPARE:
+		/* VMID=2*50k */
+		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
+				    WM8990_VMID_MODE_MASK, 0x2);
+		break;
+
+	case SND_SOC_BIAS_STANDBY:
+		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
+			ret = regcache_sync(wm8990->regmap);
+			if (ret < 0) {
+				dev_err(component->dev, "Failed to sync cache: %d\n", ret);
+				return ret;
+			}
+
+			/* Enable all output discharge bits */
+			snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
+				WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
+				WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
+				WM8990_DIS_ROUT);
+
+			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
+			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
+				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
+				     WM8990_VMIDTOG);
+
+			/* Delay to allow output caps to discharge */
+			msleep(300);
+
+			/* Disable VMIDTOG */
+			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
+				     WM8990_BUFDCOPEN | WM8990_POBCTRL);
+
+			/* disable all output discharge bits */
+			snd_soc_component_write(component, WM8990_ANTIPOP1, 0);
+
+			/* Enable outputs */
+			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1b00);
+
+			msleep(50);
+
+			/* Enable VMID at 2x50k */
+			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f02);
+
+			msleep(100);
+
+			/* Enable VREF */
+			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
+
+			msleep(600);
+
+			/* Enable BUFIOEN */
+			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
+				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
+				     WM8990_BUFIOEN);
+
+			/* Disable outputs */
+			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x3);
+
+			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
+			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_BUFIOEN);
+
+			/* Enable workaround for ADC clocking issue. */
+			snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0x2);
+			snd_soc_component_write(component, WM8990_EXT_CTL1, 0xa003);
+			snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0);
+		}
+
+		/* VMID=2*250k */
+		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
+				    WM8990_VMID_MODE_MASK, 0x4);
+		break;
+
+	case SND_SOC_BIAS_OFF:
+		/* Enable POBCTRL and SOFT_ST */
+		snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
+			WM8990_POBCTRL | WM8990_BUFIOEN);
+
+		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
+		snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
+			WM8990_BUFDCOPEN | WM8990_POBCTRL |
+			WM8990_BUFIOEN);
+
+		/* mute DAC */
+		snd_soc_component_update_bits(component, WM8990_DAC_CTRL,
+				    WM8990_DAC_MUTE, WM8990_DAC_MUTE);
+
+		/* Enable any disabled outputs */
+		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
+
+		/* Disable VMID */
+		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f01);
+
+		msleep(300);
+
+		/* Enable all output discharge bits */
+		snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
+			WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
+			WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
+			WM8990_DIS_ROUT);
+
+		/* Disable VREF */
+		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x0);
+
+		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
+		snd_soc_component_write(component, WM8990_ANTIPOP2, 0x0);
+
+		regcache_mark_dirty(wm8990->regmap);
+		break;
+	}
+
+	return 0;
+}
+
+#define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+	SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
+	SNDRV_PCM_RATE_48000)
+
+#define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+/*
+ * The WM8990 supports 2 different and mutually exclusive DAI
+ * configurations.
+ *
+ * 1. ADC/DAC on Primary Interface
+ * 2. ADC on Primary Interface/DAC on secondary
+ */
+static const struct snd_soc_dai_ops wm8990_dai_ops = {
+	.hw_params	= wm8990_hw_params,
+	.digital_mute	= wm8990_mute,
+	.set_fmt	= wm8990_set_dai_fmt,
+	.set_clkdiv	= wm8990_set_dai_clkdiv,
+	.set_pll	= wm8990_set_dai_pll,
+	.set_sysclk	= wm8990_set_dai_sysclk,
+};
+
+static struct snd_soc_dai_driver wm8990_dai = {
+/* ADC/DAC on primary */
+	.name = "wm8990-hifi",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = WM8990_RATES,
+		.formats = WM8990_FORMATS,},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = WM8990_RATES,
+		.formats = WM8990_FORMATS,},
+	.ops = &wm8990_dai_ops,
+};
+
+/*
+ * initialise the WM8990 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8990_probe(struct snd_soc_component *component)
+{
+	wm8990_reset(component);
+
+	/* charge output caps */
+	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
+
+	snd_soc_component_update_bits(component, WM8990_AUDIO_INTERFACE_4,
+			    WM8990_ALRCGPIO1, WM8990_ALRCGPIO1);
+
+	snd_soc_component_update_bits(component, WM8990_GPIO1_GPIO2,
+			    WM8990_GPIO1_SEL_MASK, 1);
+
+	snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
+			    WM8990_OPCLK_ENA, WM8990_OPCLK_ENA);
+
+	snd_soc_component_write(component, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
+	snd_soc_component_write(component, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
+
+	return 0;
+}
+
+static const struct snd_soc_component_driver soc_component_dev_wm8990 = {
+	.probe			= wm8990_probe,
+	.set_bias_level		= wm8990_set_bias_level,
+	.controls		= wm8990_snd_controls,
+	.num_controls		= ARRAY_SIZE(wm8990_snd_controls),
+	.dapm_widgets		= wm8990_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(wm8990_dapm_widgets),
+	.dapm_routes		= wm8990_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(wm8990_dapm_routes),
+	.suspend_bias_off	= 1,
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+static const struct regmap_config wm8990_regmap = {
+	.reg_bits = 8,
+	.val_bits = 16,
+
+	.max_register = WM8990_PLL3,
+	.volatile_reg = wm8990_volatile_register,
+	.reg_defaults = wm8990_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(wm8990_reg_defaults),
+	.cache_type = REGCACHE_RBTREE,
+};
+
+static int wm8990_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
+{
+	struct wm8990_priv *wm8990;
+	int ret;
+
+	wm8990 = devm_kzalloc(&i2c->dev, sizeof(struct wm8990_priv),
+			      GFP_KERNEL);
+	if (wm8990 == NULL)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, wm8990);
+
+	ret = devm_snd_soc_register_component(&i2c->dev,
+			&soc_component_dev_wm8990, &wm8990_dai, 1);
+
+	return ret;
+}
+
+static const struct i2c_device_id wm8990_i2c_id[] = {
+	{ "wm8990", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
+
+static struct i2c_driver wm8990_i2c_driver = {
+	.driver = {
+		.name = "wm8990",
+	},
+	.probe =    wm8990_i2c_probe,
+	.id_table = wm8990_i2c_id,
+};
+
+module_i2c_driver(wm8990_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC WM8990 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");