CHROMIUM: ASoC: Import entire upstream ASoC tree

sound/soc/codecs/wm8903.c

 /*
  * wm8903.c  --  WM8903 ALSA SoC Audio driver
  *
  * Copyright 2008 Wolfson Microelectronics
+ * Copyright 2011 NVIDIA, Inc.
  *
  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
  * TODO:
  *  - TDM mode configuration.
  *  - Digital microphone support.
  */
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/completion.h>
 #include <linux/delay.h>
+#include <linux/gpio.h>
 #include <linux/pm.h>
 #include <linux/i2c.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <sound/core.h>
 #include <sound/jack.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/tlv.h>
 #include <sound/soc.h>
-#include <sound/soc-dapm.h>
 #include <sound/initval.h>
 #include <sound/wm8903.h>
+#include <trace/events/asoc.h>
 
 #include "wm8903.h"
 
 /* Register defaults at reset */
 static u16 wm8903_reg_defaults[] = {
         0x8903,     /* R0   - SW Reset and ID */
         0x0000,     /* R1   - Revision Number */
         0x0000,     /* R2 */
         0x0000,     /* R3 */
         0x0018,     /* R4   - Bias Control 0 */
@@ skipping 161 matching lines @@
         0x0000,     /* R166 */
         0x0060,     /* R167 */
         0x0000,     /* R168 */
         0x0000,     /* R169 */
         0x0000,     /* R170 */
         0x0000,     /* R171 */
         0x0000,     /* R172 - Analogue Output Bias 0 */
 };
 
 struct wm8903_priv {
-
-        u16 reg_cache[ARRAY_SIZE(wm8903_reg_defaults)];
+        struct snd_soc_codec *codec;
 
         int sysclk;
         int irq;
 
-        /* Reference counts */
+        int fs;
+        int deemph;
+
+        int dcs_pending;
+        int dcs_cache[4];
+
+        /* Reference count */
         int class_w_users;
-        int playback_active;
-        int capture_active;
-
-        struct completion wseq;
 
         struct snd_soc_jack *mic_jack;
         int mic_det;
         int mic_short;
         int mic_last_report;
         int mic_delay;
 
-        struct snd_pcm_substream *master_substream;
-        struct snd_pcm_substream *slave_substream;
+#ifdef CONFIG_GPIOLIB
+        struct gpio_chip gpio_chip;
+#endif
 };
 
-static int wm8903_volatile_register(unsigned int reg)
+static int wm8903_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
 {
         switch (reg) {
         case WM8903_SW_RESET_AND_ID:
         case WM8903_REVISION_NUMBER:
         case WM8903_INTERRUPT_STATUS_1:
         case WM8903_WRITE_SEQUENCER_4:
+        case WM8903_POWER_MANAGEMENT_3:
+        case WM8903_POWER_MANAGEMENT_2:
+        case WM8903_DC_SERVO_READBACK_1:
+        case WM8903_DC_SERVO_READBACK_2:
+        case WM8903_DC_SERVO_READBACK_3:
+        case WM8903_DC_SERVO_READBACK_4:
                 return 1;
 
         default:
                 return 0;
         }
 }
 
-static int wm8903_run_sequence(struct snd_soc_codec *codec, unsigned int start)
-{
-        u16 reg[5];
-        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
-
-        BUG_ON(start > 48);
-
-        /* Enable the sequencer if it's not already on */
-        reg[0] = snd_soc_read(codec, WM8903_WRITE_SEQUENCER_0);
-        snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0,
-                      reg[0] | WM8903_WSEQ_ENA);
-
-        dev_dbg(codec->dev, "Starting sequence at %d\n", start);
-
-        snd_soc_write(codec, WM8903_WRITE_SEQUENCER_3,
-                     start | WM8903_WSEQ_START);
-
-        /* Wait for it to complete.  If we have the interrupt wired up then
-         * that will break us out of the poll early.
-         */
-        do {
-                wait_for_completion_timeout(&wm8903->wseq,
-                                            msecs_to_jiffies(10));
-
-                reg[4] = snd_soc_read(codec, WM8903_WRITE_SEQUENCER_4);
-        } while (reg[4] & WM8903_WSEQ_BUSY);
-
-        dev_dbg(codec->dev, "Sequence complete\n");
-
-        /* Disable the sequencer again if we enabled it */
-        snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, reg[0]);
-
-        return 0;
-}
-
-static void wm8903_sync_reg_cache(struct snd_soc_codec *codec, u16 *cache)
-{
-        int i;
-
-        /* There really ought to be something better we can do here :/ */
-        for (i = 0; i < ARRAY_SIZE(wm8903_reg_defaults); i++)
-                cache[i] = codec->hw_read(codec, i);
-}
-
 static void wm8903_reset(struct snd_soc_codec *codec)
 {
         snd_soc_write(codec, WM8903_SW_RESET_AND_ID, 0);
         memcpy(codec->reg_cache, wm8903_reg_defaults,
                sizeof(wm8903_reg_defaults));
 }
 
-#define WM8903_OUTPUT_SHORT 0x8
-#define WM8903_OUTPUT_OUT   0x4
-#define WM8903_OUTPUT_INT   0x2
-#define WM8903_OUTPUT_IN    0x1
-
 static int wm8903_cp_event(struct snd_soc_dapm_widget *w,
                            struct snd_kcontrol *kcontrol, int event)
 {
         WARN_ON(event != SND_SOC_DAPM_POST_PMU);
         mdelay(4);
 
         return 0;
 }
 
-/*
- * Event for headphone and line out amplifier power changes.  Special
- * power up/down sequences are required in order to maximise pop/click
- * performance.
- */
-static int wm8903_output_event(struct snd_soc_dapm_widget *w,
-                               struct snd_kcontrol *kcontrol, int event)
+static int wm8903_dcs_event(struct snd_soc_dapm_widget *w,
+                            struct snd_kcontrol *kcontrol, int event)
 {
         struct snd_soc_codec *codec = w->codec;
-        u16 val;
-        u16 reg;
-        u16 dcs_reg;
-        u16 dcs_bit;
-        int shift;
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
 
-        switch (w->reg) {
-        case WM8903_POWER_MANAGEMENT_2:
-                reg = WM8903_ANALOGUE_HP_0;
-                dcs_bit = 0 + w->shift;
+        switch (event) {
+        case SND_SOC_DAPM_POST_PMU:
+                wm8903->dcs_pending |= 1 << w->shift;
                 break;
-        case WM8903_POWER_MANAGEMENT_3:
-                reg = WM8903_ANALOGUE_LINEOUT_0;
-                dcs_bit = 2 + w->shift;
+        case SND_SOC_DAPM_PRE_PMD:
+                snd_soc_update_bits(codec, WM8903_DC_SERVO_0,
+                                    1 << w->shift, 0);
                 break;
-        default:
-                BUG();
-                return -EINVAL;  /* Spurious warning from some compilers */
-        }
-
-        switch (w->shift) {
-        case 0:
-                shift = 0;
-                break;
-        case 1:
-                shift = 4;
-                break;
-        default:
-                BUG();
-                return -EINVAL;  /* Spurious warning from some compilers */
-        }
-
-        if (event & SND_SOC_DAPM_PRE_PMU) {
-                val = snd_soc_read(codec, reg);
-
-                /* Short the output */
-                val &= ~(WM8903_OUTPUT_SHORT << shift);
-                snd_soc_write(codec, reg, val);
-        }
-
-        if (event & SND_SOC_DAPM_POST_PMU) {
-                val = snd_soc_read(codec, reg);
-
-                val |= (WM8903_OUTPUT_IN << shift);
-                snd_soc_write(codec, reg, val);
-
-                val |= (WM8903_OUTPUT_INT << shift);
-                snd_soc_write(codec, reg, val);
-
-                /* Turn on the output ENA_OUTP */
-                val |= (WM8903_OUTPUT_OUT << shift);
-                snd_soc_write(codec, reg, val);
-
-                /* Enable the DC servo */
-                dcs_reg = snd_soc_read(codec, WM8903_DC_SERVO_0);
-                dcs_reg |= dcs_bit;
-                snd_soc_write(codec, WM8903_DC_SERVO_0, dcs_reg);
-
-                /* Remove the short */
-                val |= (WM8903_OUTPUT_SHORT << shift);
-                snd_soc_write(codec, reg, val);
-        }
-
-        if (event & SND_SOC_DAPM_PRE_PMD) {
-                val = snd_soc_read(codec, reg);
-
-                /* Short the output */
-                val &= ~(WM8903_OUTPUT_SHORT << shift);
-                snd_soc_write(codec, reg, val);
-
-                /* Disable the DC servo */
-                dcs_reg = snd_soc_read(codec, WM8903_DC_SERVO_0);
-                dcs_reg &= ~dcs_bit;
-                snd_soc_write(codec, WM8903_DC_SERVO_0, dcs_reg);
-
-                /* Then disable the intermediate and output stages */
-                val &= ~((WM8903_OUTPUT_OUT | WM8903_OUTPUT_INT |
-                          WM8903_OUTPUT_IN) << shift);
-                snd_soc_write(codec, reg, val);
         }
 
         return 0;
 }
 
+#define WM8903_DCS_MODE_WRITE_STOP 0
+#define WM8903_DCS_MODE_START_STOP 2
+
+static void wm8903_seq_notifier(struct snd_soc_dapm_context *dapm,
+                                enum snd_soc_dapm_type event, int subseq)
+{
+        struct snd_soc_codec *codec = container_of(dapm,
+                                                   struct snd_soc_codec, dapm);
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+        int dcs_mode = WM8903_DCS_MODE_WRITE_STOP;
+        int i, val;
+
+        /* Complete any pending DC servo starts */
+        if (wm8903->dcs_pending) {
+                dev_dbg(codec->dev, "Starting DC servo for %x\n",
+                        wm8903->dcs_pending);
+
+                /* If we've no cached values then we need to do startup */
+                for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
+                        if (!(wm8903->dcs_pending & (1 << i)))
+                                continue;
+
+                        if (wm8903->dcs_cache[i]) {
+                                dev_dbg(codec->dev,
+                                        "Restore DC servo %d value %x\n",
+                                        3 - i, wm8903->dcs_cache[i]);
+
+                                snd_soc_write(codec, WM8903_DC_SERVO_4 + i,
+                                              wm8903->dcs_cache[i] & 0xff);
+                        } else {
+                                dev_dbg(codec->dev,
+                                        "Calibrate DC servo %d\n", 3 - i);
+                                dcs_mode = WM8903_DCS_MODE_START_STOP;
+                        }
+                }
+
+                /* Don't trust the cache for analogue */
+                if (wm8903->class_w_users)
+                        dcs_mode = WM8903_DCS_MODE_START_STOP;
+
+                snd_soc_update_bits(codec, WM8903_DC_SERVO_2,
+                                    WM8903_DCS_MODE_MASK, dcs_mode);
+
+                snd_soc_update_bits(codec, WM8903_DC_SERVO_0,
+                                    WM8903_DCS_ENA_MASK, wm8903->dcs_pending);
+
+                switch (dcs_mode) {
+                case WM8903_DCS_MODE_WRITE_STOP:
+                        break;
+
+                case WM8903_DCS_MODE_START_STOP:
+                        msleep(270);
+
+                        /* Cache the measured offsets for digital */
+                        if (wm8903->class_w_users)
+                                break;
+
+                        for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
+                                if (!(wm8903->dcs_pending & (1 << i)))
+                                        continue;
+
+                                val = snd_soc_read(codec,
+                                                   WM8903_DC_SERVO_READBACK_1 + i);
+                                dev_dbg(codec->dev, "DC servo %d: %x\n",
+                                        3 - i, val);
+                                wm8903->dcs_cache[i] = val;
+                        }
+                        break;
+
+                default:
+                        pr_warn("DCS mode %d delay not set\n", dcs_mode);
+                        break;
+                }
+
+                wm8903->dcs_pending = 0;
+        }
+}
+
 /*
  * When used with DAC outputs only the WM8903 charge pump supports
  * operation in class W mode, providing very low power consumption
  * when used with digital sources.  Enable and disable this mode
  * automatically depending on the mixer configuration.
  *
  * All the relevant controls are simple switches.
  */
 static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
@@ skipping 35 matching lines @@
         return ret;
 }
 
 #define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \
 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
         .info = snd_soc_info_volsw, \
         .get = snd_soc_dapm_get_volsw, .put = wm8903_class_w_put, \
         .private_value =  SOC_SINGLE_VALUE(reg, shift, max, invert) }
 
 
+static int wm8903_deemph[] = { 0, 32000, 44100, 48000 };
+
+static int wm8903_set_deemph(struct snd_soc_codec *codec)
+{
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+        int val, i, best;
+
+        /* If we're using deemphasis select the nearest available sample
+         * rate.
+         */
+        if (wm8903->deemph) {
+                best = 1;
+                for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) {
+                        if (abs(wm8903_deemph[i] - wm8903->fs) <
+                            abs(wm8903_deemph[best] - wm8903->fs))
+                                best = i;
+                }
+
+                val = best << WM8903_DEEMPH_SHIFT;
+        } else {
+                best = 0;
+                val = 0;
+        }
+
+        dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n",
+                best, wm8903_deemph[best]);
+
+        return snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1,
+                                   WM8903_DEEMPH_MASK, val);
+}
+
+static int wm8903_get_deemph(struct snd_kcontrol *kcontrol,
+                             struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+
+        ucontrol->value.enumerated.item[0] = wm8903->deemph;
+
+        return 0;
+}
+
+static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
+                             struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+        int deemph = ucontrol->value.enumerated.item[0];
+        int ret = 0;
+
+        if (deemph > 1)
+                return -EINVAL;
+
+        mutex_lock(&codec->mutex);
+        if (wm8903->deemph != deemph) {
+                wm8903->deemph = deemph;
+
+                wm8903_set_deemph(codec);
+
+                ret = 1;
+        }
+        mutex_unlock(&codec->mutex);
+
+        return ret;
+}
+
 /* ALSA can only do steps of .01dB */
 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
 
 static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
 static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
 
 static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0);
 static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0);
 static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0);
 static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0);
 static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0);
 
+static const char *hpf_mode_text[] = {
+        "Hi-fi", "Voice 1", "Voice 2", "Voice 3"
+};
+
+static const struct soc_enum hpf_mode =
+        SOC_ENUM_SINGLE(WM8903_ADC_DIGITAL_0, 5, 4, hpf_mode_text);
+
+static const char *osr_text[] = {
+        "Low power", "High performance"
+};
+
+static const struct soc_enum adc_osr =
+        SOC_ENUM_SINGLE(WM8903_ANALOGUE_ADC_0, 0, 2, osr_text);
+
+static const struct soc_enum dac_osr =
+        SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 0, 2, osr_text);
+
 static const char *drc_slope_text[] = {
         "1", "1/2", "1/4", "1/8", "1/16", "0"
 };
 
 static const struct soc_enum drc_slope_r0 =
         SOC_ENUM_SINGLE(WM8903_DRC_2, 3, 6, drc_slope_text);
 
 static const struct soc_enum drc_slope_r1 =
         SOC_ENUM_SINGLE(WM8903_DRC_2, 0, 6, drc_slope_text);
 
@@ skipping 42 matching lines @@
 static const struct soc_enum soft_mute =
         SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 10, 2, soft_mute_text);
 
 static const char *mute_mode_text[] = {
         "Hard", "Soft"
 };
 
 static const struct soc_enum mute_mode =
         SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 9, 2, mute_mode_text);
 
-static const char *dac_deemphasis_text[] = {
-        "Disabled", "32kHz", "44.1kHz", "48kHz"
-};
-
-static const struct soc_enum dac_deemphasis =
-        SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 1, 4, dac_deemphasis_text);
-
 static const char *companding_text[] = {
         "ulaw", "alaw"
 };
 
 static const struct soc_enum dac_companding =
         SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 0, 2, companding_text);
 
 static const struct soc_enum adc_companding =
         SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 2, 2, companding_text);
 
@@ skipping 31 matching lines @@
 static const char *sidetone_text[] = {
         "None", "Left", "Right"
 };
 
 static const struct soc_enum lsidetone_enum =
         SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 2, 3, sidetone_text);
 
 static const struct soc_enum rsidetone_enum =
         SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 0, 3, sidetone_text);
 
+static const char *aif_text[] = {
+        "Left", "Right"
+};
+
+static const struct soc_enum lcapture_enum =
+        SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 7, 2, aif_text);
+
+static const struct soc_enum rcapture_enum =
+        SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 6, 2, aif_text);
+
+static const struct soc_enum lplay_enum =
+        SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 5, 2, aif_text);
+
+static const struct soc_enum rplay_enum =
+        SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 4, 2, aif_text);
+
 static const struct snd_kcontrol_new wm8903_snd_controls[] = {
 
 /* Input PGAs - No TLV since the scale depends on PGA mode */
 SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0,
            7, 1, 1),
 SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0,
            0, 31, 0),
 SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1,
            6, 1, 0),
 
 SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0,
            7, 1, 1),
 SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0,
            0, 31, 0),
 SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1,
            6, 1, 0),
 
 /* ADCs */
+SOC_ENUM("ADC OSR", adc_osr),
+SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0),
+SOC_ENUM("HPF Mode", hpf_mode),
 SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0),
 SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0),
 SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1),
 SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1,
                drc_tlv_thresh),
 SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp),
 SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min),
 SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max),
 SOC_ENUM("DRC Attack Rate", drc_attack),
 SOC_ENUM("DRC Decay Rate", drc_decay),
 SOC_ENUM("DRC FF Delay", drc_ff_delay),
 SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0),
 SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0),
 SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max),
 SOC_ENUM("DRC QR Decay Rate", drc_qr_decay),
 SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0),
 SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0),
 SOC_ENUM("DRC Smoothing Threshold", drc_smoothing),
 SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup),
 
 SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT,
                  WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv),
 SOC_ENUM("ADC Companding Mode", adc_companding),
 SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0),
 
 SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8,
                12, 0, digital_sidetone_tlv),
 
 /* DAC */
+SOC_ENUM("DAC OSR", dac_osr),
 SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT,
                  WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
 SOC_ENUM("DAC Soft Mute Rate", soft_mute),
 SOC_ENUM("DAC Mute Mode", mute_mode),
 SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
-SOC_ENUM("DAC De-emphasis", dac_deemphasis),
 SOC_ENUM("DAC Companding Mode", dac_companding),
 SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
+SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
+                    wm8903_get_deemph, wm8903_put_deemph),
 
 /* Headphones */
 SOC_DOUBLE_R("Headphone Switch",
              WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
              8, 1, 1),
 SOC_DOUBLE_R("Headphone ZC Switch",
              WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
              6, 1, 0),
 SOC_DOUBLE_R_TLV("Headphone Volume",
                  WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
@@ skipping 37 matching lines @@
 
 static const struct snd_kcontrol_new rinput_inv_mux =
         SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum);
 
 static const struct snd_kcontrol_new lsidetone_mux =
         SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum);
 
 static const struct snd_kcontrol_new rsidetone_mux =
         SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum);
 
+static const struct snd_kcontrol_new lcapture_mux =
+        SOC_DAPM_ENUM("Left Capture Mux", lcapture_enum);
+
+static const struct snd_kcontrol_new rcapture_mux =
+        SOC_DAPM_ENUM("Right Capture Mux", rcapture_enum);
+
+static const struct snd_kcontrol_new lplay_mux =
+        SOC_DAPM_ENUM("Left Playback Mux", lplay_enum);
+
+static const struct snd_kcontrol_new rplay_mux =
+        SOC_DAPM_ENUM("Right Playback Mux", rplay_enum);
+
 static const struct snd_kcontrol_new left_output_mixer[] = {
 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0),
 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0),
 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0),
 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0),
 };
 
 static const struct snd_kcontrol_new right_output_mixer[] = {
 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0),
 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0),
@@ skipping 43 matching lines @@
 SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux),
 
 SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux),
 SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0,
                  &rinput_inv_mux),
 SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux),
 
 SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0),
 SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0),
 
-SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8903_POWER_MANAGEMENT_6, 1, 0),
-SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8903_POWER_MANAGEMENT_6, 0, 0),
+SND_SOC_DAPM_ADC("ADCL", NULL, WM8903_POWER_MANAGEMENT_6, 1, 0),
+SND_SOC_DAPM_ADC("ADCR", NULL, WM8903_POWER_MANAGEMENT_6, 0, 0),
+
+SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lcapture_mux),
+SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rcapture_mux),
+
+SND_SOC_DAPM_AIF_OUT("AIFTXL", "Left HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_AIF_OUT("AIFTXR", "Right HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
 
 SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux),
 SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux),
 
-SND_SOC_DAPM_DAC("DACL", "Left Playback", WM8903_POWER_MANAGEMENT_6, 3, 0),
-SND_SOC_DAPM_DAC("DACR", "Right Playback", WM8903_POWER_MANAGEMENT_6, 2, 0),
+SND_SOC_DAPM_AIF_IN("AIFRXL", "Left Playback", 0, SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_AIF_IN("AIFRXR", "Right Playback", 0, SND_SOC_NOPM, 0, 0),
+
+SND_SOC_DAPM_MUX("Left Playback Mux", SND_SOC_NOPM, 0, 0, &lplay_mux),
+SND_SOC_DAPM_MUX("Right Playback Mux", SND_SOC_NOPM, 0, 0, &rplay_mux),
+
+SND_SOC_DAPM_DAC("DACL", NULL, WM8903_POWER_MANAGEMENT_6, 3, 0),
+SND_SOC_DAPM_DAC("DACR", NULL, WM8903_POWER_MANAGEMENT_6, 2, 0),
 
 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0,
                    left_output_mixer, ARRAY_SIZE(left_output_mixer)),
 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0,
                    right_output_mixer, ARRAY_SIZE(right_output_mixer)),
 
 SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0,
                    left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
 SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
                    right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
 
-SND_SOC_DAPM_PGA_E("Left Headphone Output PGA", WM8903_POWER_MANAGEMENT_2,
-                   1, 0, NULL, 0, wm8903_output_event,
-                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
-                   SND_SOC_DAPM_PRE_PMD),
-SND_SOC_DAPM_PGA_E("Right Headphone Output PGA", WM8903_POWER_MANAGEMENT_2,
-                   0, 0, NULL, 0, wm8903_output_event,
-                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
-                   SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_ANALOGUE_HP_0,
+                   4, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_ANALOGUE_HP_0,
+                   0, 0, NULL, 0),
 
-SND_SOC_DAPM_PGA_E("Left Line Output PGA", WM8903_POWER_MANAGEMENT_3, 1, 0,
-                   NULL, 0, wm8903_output_event,
-                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
-                   SND_SOC_DAPM_PRE_PMD),
-SND_SOC_DAPM_PGA_E("Right Line Output PGA", WM8903_POWER_MANAGEMENT_3, 0, 0,
-                   NULL, 0, wm8903_output_event,
-                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
-                   SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
+                   NULL, 0),
+SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
+                   NULL, 0),
+
+SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 1, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 1, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
+
+SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0,
+                   NULL, 0),
+SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0,
+                   NULL, 0),
+SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 1, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
+                   NULL, 0),
+SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0,
+                   NULL, 0),
+SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0,
+                   NULL, 0),
+SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 1, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
+                   NULL, 0),
+
+SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0),
+SND_SOC_DAPM_PGA_S("HPL_DCS", 3, SND_SOC_NOPM, 3, 0, wm8903_dcs_event,
+                   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_PGA_S("HPR_DCS", 3, SND_SOC_NOPM, 2, 0, wm8903_dcs_event,
+                   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_PGA_S("LINEOUTL_DCS", 3, SND_SOC_NOPM, 1, 0, wm8903_dcs_event,
+                   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_PGA_S("LINEOUTR_DCS", 3, SND_SOC_NOPM, 0, 0, wm8903_dcs_event,
+                   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 
 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0,
                  NULL, 0),
 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0,
                  NULL, 0),
 
 SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0,
                     wm8903_cp_event, SND_SOC_DAPM_POST_PMU),
 SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8903_CLOCK_RATES_2, 2, 0, NULL, 0),
 };
 
 static const struct snd_soc_dapm_route intercon[] = {
 
+        { "CLK_DSP", NULL, "CLK_SYS" },
+        { "Mic Bias", NULL, "CLK_SYS" },
+        { "HPL_DCS", NULL, "CLK_SYS" },
+        { "HPR_DCS", NULL, "CLK_SYS" },
+        { "LINEOUTL_DCS", NULL, "CLK_SYS" },
+        { "LINEOUTR_DCS", NULL, "CLK_SYS" },
+
         { "Left Input Mux", "IN1L", "IN1L" },
         { "Left Input Mux", "IN2L", "IN2L" },
         { "Left Input Mux", "IN3L", "IN3L" },
 
         { "Left Input Inverting Mux", "IN1L", "IN1L" },
         { "Left Input Inverting Mux", "IN2L", "IN2L" },
         { "Left Input Inverting Mux", "IN3L", "IN3L" },
 
         { "Right Input Mux", "IN1R", "IN1R" },
         { "Right Input Mux", "IN2R", "IN2R" },
@@ skipping 20 matching lines @@
         { "Right Input Mode Mux", "Differential Line",
           "Right Input Inverting Mux" },
         { "Right Input Mode Mux", "Differential Mic",
           "Right Input Mux" },
         { "Right Input Mode Mux", "Differential Mic",
           "Right Input Inverting Mux" },
 
         { "Left Input PGA", NULL, "Left Input Mode Mux" },
         { "Right Input PGA", NULL, "Right Input Mode Mux" },
 
+        { "Left Capture Mux", "Left", "ADCL" },
+        { "Left Capture Mux", "Right", "ADCR" },
+
+        { "Right Capture Mux", "Left", "ADCL" },
+        { "Right Capture Mux", "Right", "ADCR" },
+
+        { "AIFTXL", NULL, "Left Capture Mux" },
+        { "AIFTXR", NULL, "Right Capture Mux" },
+
         { "ADCL", NULL, "Left Input PGA" },
         { "ADCL", NULL, "CLK_DSP" },
         { "ADCR", NULL, "Right Input PGA" },
         { "ADCR", NULL, "CLK_DSP" },
 
+        { "Left Playback Mux", "Left", "AIFRXL" },
+        { "Left Playback Mux", "Right", "AIFRXR" },
+
+        { "Right Playback Mux", "Left", "AIFRXL" },
+        { "Right Playback Mux", "Right", "AIFRXR" },
+
         { "DACL Sidetone", "Left", "ADCL" },
         { "DACL Sidetone", "Right", "ADCR" },
         { "DACR Sidetone", "Left", "ADCL" },
         { "DACR Sidetone", "Right", "ADCR" },
 
+        { "DACL", NULL, "Left Playback Mux" },
         { "DACL", NULL, "DACL Sidetone" },
         { "DACL", NULL, "CLK_DSP" },
+
+        { "DACR", NULL, "Right Playback Mux" },
         { "DACR", NULL, "DACR Sidetone" },
         { "DACR", NULL, "CLK_DSP" },
 
         { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" },
         { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" },
         { "Left Output Mixer", "DACL Switch", "DACL" },
         { "Left Output Mixer", "DACR Switch", "DACR" },
 
         { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" },
         { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" },
@@ skipping 12 matching lines @@
 
         { "Left Line Output PGA", NULL, "Left Output Mixer" },
         { "Right Line Output PGA", NULL, "Right Output Mixer" },
 
         { "Left Headphone Output PGA", NULL, "Left Output Mixer" },
         { "Right Headphone Output PGA", NULL, "Right Output Mixer" },
 
         { "Left Speaker PGA", NULL, "Left Speaker Mixer" },
         { "Right Speaker PGA", NULL, "Right Speaker Mixer" },
 
-        { "HPOUTL", NULL, "Left Headphone Output PGA" },
-        { "HPOUTR", NULL, "Right Headphone Output PGA" },
+        { "HPL_ENA_DLY", NULL, "Left Headphone Output PGA" },
+        { "HPR_ENA_DLY", NULL, "Right Headphone Output PGA" },
+        { "LINEOUTL_ENA_DLY", NULL, "Left Line Output PGA" },
+        { "LINEOUTR_ENA_DLY", NULL, "Right Line Output PGA" },
 
-        { "LINEOUTL", NULL, "Left Line Output PGA" },
-        { "LINEOUTR", NULL, "Right Line Output PGA" },
+        { "HPL_DCS", NULL, "DCS Master" },
+        { "HPR_DCS", NULL, "DCS Master" },
+        { "LINEOUTL_DCS", NULL, "DCS Master" },
+        { "LINEOUTR_DCS", NULL, "DCS Master" },
+
+        { "HPL_DCS", NULL, "HPL_ENA_DLY" },
+        { "HPR_DCS", NULL, "HPR_ENA_DLY" },
+        { "LINEOUTL_DCS", NULL, "LINEOUTL_ENA_DLY" },
+        { "LINEOUTR_DCS", NULL, "LINEOUTR_ENA_DLY" },
+
+        { "HPL_ENA_OUTP", NULL, "HPL_DCS" },
+        { "HPR_ENA_OUTP", NULL, "HPR_DCS" },
+        { "LINEOUTL_ENA_OUTP", NULL, "LINEOUTL_DCS" },
+        { "LINEOUTR_ENA_OUTP", NULL, "LINEOUTR_DCS" },
+
+        { "HPL_RMV_SHORT", NULL, "HPL_ENA_OUTP" },
+        { "HPR_RMV_SHORT", NULL, "HPR_ENA_OUTP" },
+        { "LINEOUTL_RMV_SHORT", NULL, "LINEOUTL_ENA_OUTP" },
+        { "LINEOUTR_RMV_SHORT", NULL, "LINEOUTR_ENA_OUTP" },
+
+        { "HPOUTL", NULL, "HPL_RMV_SHORT" },
+        { "HPOUTR", NULL, "HPR_RMV_SHORT" },
+        { "LINEOUTL", NULL, "LINEOUTL_RMV_SHORT" },
+        { "LINEOUTR", NULL, "LINEOUTR_RMV_SHORT" },
 
         { "LOP", NULL, "Left Speaker PGA" },
         { "LON", NULL, "Left Speaker PGA" },
 
         { "ROP", NULL, "Right Speaker PGA" },
         { "RON", NULL, "Right Speaker PGA" },
 
         { "Left Headphone Output PGA", NULL, "Charge Pump" },
         { "Right Headphone Output PGA", NULL, "Charge Pump" },
         { "Left Line Output PGA", NULL, "Charge Pump" },
         { "Right Line Output PGA", NULL, "Charge Pump" },
 };
 
 static int wm8903_add_widgets(struct snd_soc_codec *codec)
 {
-        snd_soc_dapm_new_controls(codec, wm8903_dapm_widgets,
+        struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+        snd_soc_dapm_new_controls(dapm, wm8903_dapm_widgets,
                                   ARRAY_SIZE(wm8903_dapm_widgets));
-
-        snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+        snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
 
         return 0;
 }
 
 static int wm8903_set_bias_level(struct snd_soc_codec *codec,
                                  enum snd_soc_bias_level level)
 {
-        u16 reg, reg2;
-
         switch (level) {
         case SND_SOC_BIAS_ON:
+                break;
+
         case SND_SOC_BIAS_PREPARE:
-                reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0);
-                reg &= ~(WM8903_VMID_RES_MASK);
-                reg |= WM8903_VMID_RES_50K;
-                snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg);
+                snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                    WM8903_VMID_RES_MASK,
+                                    WM8903_VMID_RES_50K);
                 break;
 
         case SND_SOC_BIAS_STANDBY:
-                if (codec->bias_level == SND_SOC_BIAS_OFF) {
-                        snd_soc_write(codec, WM8903_CLOCK_RATES_2,
-                                     WM8903_CLK_SYS_ENA);
+                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+                        snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
+                                            WM8903_POBCTRL | WM8903_ISEL_MASK |
+                                            WM8903_STARTUP_BIAS_ENA |
+                                            WM8903_BIAS_ENA,
+                                            WM8903_POBCTRL |
+                                            (2 << WM8903_ISEL_SHIFT) |
+                                            WM8903_STARTUP_BIAS_ENA);
 
-                        /* Change DC servo dither level in startup sequence */
-                        snd_soc_write(codec, WM8903_WRITE_SEQUENCER_0, 0x11);
-                        snd_soc_write(codec, WM8903_WRITE_SEQUENCER_1, 0x1257);
-                        snd_soc_write(codec, WM8903_WRITE_SEQUENCER_2, 0x2);
+                        snd_soc_update_bits(codec,
+                                            WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
+                                            WM8903_SPK_DISCHARGE,
+                                            WM8903_SPK_DISCHARGE);
 
-                        wm8903_run_sequence(codec, 0);
-                        wm8903_sync_reg_cache(codec, codec->reg_cache);
+                        msleep(33);
 
-                        /* Enable low impedence charge pump output */
-                        reg = snd_soc_read(codec,
-                                          WM8903_CONTROL_INTERFACE_TEST_1);
-                        snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
-                                     reg | WM8903_TEST_KEY);
-                        reg2 = snd_soc_read(codec, WM8903_CHARGE_PUMP_TEST_1);
-                        snd_soc_write(codec, WM8903_CHARGE_PUMP_TEST_1,
-                                     reg2 | WM8903_CP_SW_KELVIN_MODE_MASK);
-                        snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
-                                     reg);
+                        snd_soc_update_bits(codec, WM8903_POWER_MANAGEMENT_5,
+                                            WM8903_SPKL_ENA | WM8903_SPKR_ENA,
+                                            WM8903_SPKL_ENA | WM8903_SPKR_ENA);
+
+                        snd_soc_update_bits(codec,
+                                            WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
+                                            WM8903_SPK_DISCHARGE, 0);
+
+                        snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                            WM8903_VMID_TIE_ENA |
+                                            WM8903_BUFIO_ENA |
+                                            WM8903_VMID_IO_ENA |
+                                            WM8903_VMID_SOFT_MASK |
+                                            WM8903_VMID_RES_MASK |
+                                            WM8903_VMID_BUF_ENA,
+                                            WM8903_VMID_TIE_ENA |
+                                            WM8903_BUFIO_ENA |
+                                            WM8903_VMID_IO_ENA |
+                                            (2 << WM8903_VMID_SOFT_SHIFT) |
+                                            WM8903_VMID_RES_250K |
+                                            WM8903_VMID_BUF_ENA);
+
+                        msleep(129);
+
+                        snd_soc_update_bits(codec, WM8903_POWER_MANAGEMENT_5,
+                                            WM8903_SPKL_ENA | WM8903_SPKR_ENA,
+                                            0);
+
+                        snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                            WM8903_VMID_SOFT_MASK, 0);
+
+                        snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                            WM8903_VMID_RES_MASK,
+                                            WM8903_VMID_RES_50K);
+
+                        snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
+                                            WM8903_BIAS_ENA | WM8903_POBCTRL,
+                                            WM8903_BIAS_ENA);
 
                         /* By default no bypass paths are enabled so
                          * enable Class W support.
                          */
                         dev_dbg(codec->dev, "Enabling Class W\n");
-                        snd_soc_write(codec, WM8903_CLASS_W_0, reg |
-                                     WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
+                        snd_soc_update_bits(codec, WM8903_CLASS_W_0,
+                                            WM8903_CP_DYN_FREQ |
+                                            WM8903_CP_DYN_V,
+                                            WM8903_CP_DYN_FREQ |
+                                            WM8903_CP_DYN_V);
                 }
 
-                reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0);
-                reg &= ~(WM8903_VMID_RES_MASK);
-                reg |= WM8903_VMID_RES_250K;
-                snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg);
+                snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                    WM8903_VMID_RES_MASK,
+                                    WM8903_VMID_RES_250K);
                 break;
 
         case SND_SOC_BIAS_OFF:
-                wm8903_run_sequence(codec, 32);
-                reg = snd_soc_read(codec, WM8903_CLOCK_RATES_2);
-                reg &= ~WM8903_CLK_SYS_ENA;
-                snd_soc_write(codec, WM8903_CLOCK_RATES_2, reg);
+                snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
+                                    WM8903_BIAS_ENA, 0);
+
+                snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                    WM8903_VMID_SOFT_MASK,
+                                    2 << WM8903_VMID_SOFT_SHIFT);
+
+                snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                    WM8903_VMID_BUF_ENA, 0);
+
+                msleep(290);
+
+                snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
+                                    WM8903_VMID_TIE_ENA | WM8903_BUFIO_ENA |
+                                    WM8903_VMID_IO_ENA | WM8903_VMID_RES_MASK |
+                                    WM8903_VMID_SOFT_MASK |
+                                    WM8903_VMID_BUF_ENA, 0);
+
+                snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
+                                    WM8903_STARTUP_BIAS_ENA, 0);
                 break;
         }
 
-        codec->bias_level = level;
+        codec->dapm.bias_level = level;
 
         return 0;
 }
 
 static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai,
                                  int clk_id, unsigned int freq, int dir)
 {
         struct snd_soc_codec *codec = codec_dai->codec;
         struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
 
@@ skipping 210 matching lines @@
         { 22050,  4 },
         { 24000,  5 },
         { 32000,  6 },
         { 44100,  7 },
         { 48000,  8 },
         { 88200,  9 },
         { 96000, 10 },
         { 0,      0 },
 };
 
-static int wm8903_startup(struct snd_pcm_substream *substream,
-                          struct snd_soc_dai *dai)
-{
-        struct snd_soc_pcm_runtime *rtd = substream->private_data;
-        struct snd_soc_codec *codec = rtd->codec;
-        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
-        struct snd_pcm_runtime *master_runtime;
-
-        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-                wm8903->playback_active++;
-        else
-                wm8903->capture_active++;
-
-        /* The DAI has shared clocks so if we already have a playback or
-         * capture going then constrain this substream to match it.
-         */
-        if (wm8903->master_substream) {
-                master_runtime = wm8903->master_substream->runtime;
-
-                dev_dbg(codec->dev, "Constraining to %d bits\n",
-                        master_runtime->sample_bits);
-
-                snd_pcm_hw_constraint_minmax(substream->runtime,
-                                             SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
-                                             master_runtime->sample_bits,
-                                             master_runtime->sample_bits);
-
-                wm8903->slave_substream = substream;
-        } else
-                wm8903->master_substream = substream;
-
-        return 0;
-}
-
-static void wm8903_shutdown(struct snd_pcm_substream *substream,
-                            struct snd_soc_dai *dai)
-{
-        struct snd_soc_pcm_runtime *rtd = substream->private_data;
-        struct snd_soc_codec *codec = rtd->codec;
-        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
-
-        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-                wm8903->playback_active--;
-        else
-                wm8903->capture_active--;
-
-        if (wm8903->master_substream == substream)
-                wm8903->master_substream = wm8903->slave_substream;
-
-        wm8903->slave_substream = NULL;
-}
-
 static int wm8903_hw_params(struct snd_pcm_substream *substream,
                             struct snd_pcm_hw_params *params,
                             struct snd_soc_dai *dai)
 {
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
         struct snd_soc_codec *codec =rtd->codec;
         struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
         int fs = params_rate(params);
         int bclk;
         int bclk_div;
         int i;
         int dsp_config;
         int clk_config;
         int best_val;
         int cur_val;
         int clk_sys;
 
         u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1);
         u16 aif2 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_2);
         u16 aif3 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_3);
         u16 clock0 = snd_soc_read(codec, WM8903_CLOCK_RATES_0);
         u16 clock1 = snd_soc_read(codec, WM8903_CLOCK_RATES_1);
         u16 dac_digital1 = snd_soc_read(codec, WM8903_DAC_DIGITAL_1);
 
-        if (substream == wm8903->slave_substream) {
-                dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n");
-                return 0;
-        }
-
         /* Enable sloping stopband filter for low sample rates */
         if (fs <= 24000)
                 dac_digital1 |= WM8903_DAC_SB_FILT;
         else
                 dac_digital1 &= ~WM8903_DAC_SB_FILT;
 
         /* Configure sample rate logic for DSP - choose nearest rate */
         dsp_config = 0;
         best_val = abs(sample_rates[dsp_config].rate - fs);
         for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
                 cur_val = abs(sample_rates[i].rate - fs);
                 if (cur_val <= best_val) {
                         dsp_config = i;
                         best_val = cur_val;
                 }
         }
 
-        /* Constraints should stop us hitting this but let's make sure */
-        if (wm8903->capture_active)
-                switch (sample_rates[dsp_config].rate) {
-                case 88200:
-                case 96000:
-                        dev_err(codec->dev, "%dHz unsupported by ADC\n",
-                                fs);
-                        return -EINVAL;
-
-                default:
-                        break;
-                }
-
         dev_dbg(codec->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate);
         clock1 &= ~WM8903_SAMPLE_RATE_MASK;
         clock1 |= sample_rates[dsp_config].value;
 
         aif1 &= ~WM8903_AIF_WL_MASK;
         bclk = 2 * fs;
         switch (params_format(params)) {
         case SNDRV_PCM_FORMAT_S16_LE:
                 bclk *= 16;
                 break;
@@ skipping 75 matching lines @@
         aif2 &= ~WM8903_BCLK_DIV_MASK;
         aif3 &= ~WM8903_LRCLK_RATE_MASK;
 
         dev_dbg(codec->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n",
                 bclk_divs[bclk_div].ratio / 10, bclk,
                 (clk_sys * 10) / bclk_divs[bclk_div].ratio);
 
         aif2 |= bclk_divs[bclk_div].div;
         aif3 |= bclk / fs;
 
+        wm8903->fs = params_rate(params);
+        wm8903_set_deemph(codec);
+
         snd_soc_write(codec, WM8903_CLOCK_RATES_0, clock0);
         snd_soc_write(codec, WM8903_CLOCK_RATES_1, clock1);
         snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
         snd_soc_write(codec, WM8903_AUDIO_INTERFACE_2, aif2);
         snd_soc_write(codec, WM8903_AUDIO_INTERFACE_3, aif3);
         snd_soc_write(codec, WM8903_DAC_DIGITAL_1, dac_digital1);
 
         return 0;
 }
 
@@ skipping 31 matching lines @@
         /* Enable interrupts we've got a report configured for */
         if (det)
                 irq_mask &= ~WM8903_MICDET_EINT;
         if (shrt)
                 irq_mask &= ~WM8903_MICSHRT_EINT;
 
         snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK,
                             WM8903_MICDET_EINT | WM8903_MICSHRT_EINT,
                             irq_mask);
 
-        if (det && shrt) {
+        if (det || shrt) {
                 /* Enable mic detection, this may not have been set through
                  * platform data (eg, if the defaults are OK). */
                 snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
                                     WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
                 snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0,
                                     WM8903_MICDET_ENA, WM8903_MICDET_ENA);
         } else {
                 snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0,
                                     WM8903_MICDET_ENA, 0);
         }
 
         return 0;
 }
 EXPORT_SYMBOL_GPL(wm8903_mic_detect);
 
 static irqreturn_t wm8903_irq(int irq, void *data)
 {
         struct snd_soc_codec *codec = data;
         struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
         int mic_report;
         int int_pol;
         int int_val = 0;
         int mask = ~snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1_MASK);
 
         int_val = snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1) & mask;
 
         if (int_val & WM8903_WSEQ_BUSY_EINT) {
-                dev_dbg(codec->dev, "Write sequencer done\n");
-                complete(&wm8903->wseq);
+                dev_warn(codec->dev, "Write sequencer done\n");
         }
 
         /*
          * The rest is microphone jack detection.  We need to manually
          * invert the polarity of the interrupt after each event - to
          * simplify the code keep track of the last state we reported
          * and just invert the relevant bits in both the report and
          * the polarity register.
          */
         mic_report = wm8903->mic_last_report;
         int_pol = snd_soc_read(codec, WM8903_INTERRUPT_POLARITY_1);
 
+#ifndef CONFIG_SND_SOC_WM8903_MODULE
+        if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT))
+                trace_snd_soc_jack_irq(dev_name(codec->dev));
+#endif
+
         if (int_val & WM8903_MICSHRT_EINT) {
                 dev_dbg(codec->dev, "Microphone short (pol=%x)\n", int_pol);
 
                 mic_report ^= wm8903->mic_short;
                 int_pol ^= WM8903_MICSHRT_INV;
         }
 
         if (int_val & WM8903_MICDET_EINT) {
                 dev_dbg(codec->dev, "Microphone detect (pol=%x)\n", int_pol);
 
@@ skipping 30 matching lines @@
                               SNDRV_PCM_RATE_22050 |    \
                               SNDRV_PCM_RATE_32000 |    \
                               SNDRV_PCM_RATE_44100 |    \
                               SNDRV_PCM_RATE_48000)
 
 #define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
                         SNDRV_PCM_FMTBIT_S20_3LE |\
                         SNDRV_PCM_FMTBIT_S24_LE)
 
 static struct snd_soc_dai_ops wm8903_dai_ops = {
-        .startup        = wm8903_startup,
-        .shutdown       = wm8903_shutdown,
         .hw_params      = wm8903_hw_params,
         .digital_mute   = wm8903_digital_mute,
         .set_fmt        = wm8903_set_dai_fmt,
         .set_sysclk     = wm8903_set_dai_sysclk,
 };
 
 static struct snd_soc_dai_driver wm8903_dai = {
         .name = "wm8903-hifi",
         .playback = {
                 .stream_name = "Playback",
@@ skipping 36 matching lines @@
                         if (tmp_cache[i] != reg_cache[i])
                                 snd_soc_write(codec, i, tmp_cache[i]);
                 kfree(tmp_cache);
         } else {
                 dev_err(codec->dev, "Failed to allocate temporary cache\n");
         }
 
         return 0;
 }
 
+#ifdef CONFIG_GPIOLIB
+static inline struct wm8903_priv *gpio_to_wm8903(struct gpio_chip *chip)
+{
+        return container_of(chip, struct wm8903_priv, gpio_chip);
+}
+
+static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
+{
+        if (offset >= WM8903_NUM_GPIO)
+                return -EINVAL;
+
+        return 0;
+}
+
+static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
+{
+        struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+        struct snd_soc_codec *codec = wm8903->codec;
+        unsigned int mask, val;
+
+        mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK;
+        val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) |
+                WM8903_GP1_DIR;
+
+        return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
+                                   mask, val);
+}
+
+static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+        struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+        struct snd_soc_codec *codec = wm8903->codec;
+        int reg;
+
+        reg = snd_soc_read(codec, WM8903_GPIO_CONTROL_1 + offset);
+
+        return (reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT;
+}
+
+static int wm8903_gpio_direction_out(struct gpio_chip *chip,
+                                     unsigned offset, int value)
+{
+        struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+        struct snd_soc_codec *codec = wm8903->codec;
+        unsigned int mask, val;
+
+        mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK;
+        val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) |
+                (value << WM8903_GP2_LVL_SHIFT);
+
+        return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
+                                   mask, val);
+}
+
+static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+        struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+        struct snd_soc_codec *codec = wm8903->codec;
+
+        snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
+                            WM8903_GP1_LVL_MASK,
+                            !!value << WM8903_GP1_LVL_SHIFT);
+}
+
+static struct gpio_chip wm8903_template_chip = {
+        .label                  = "wm8903",
+        .owner                  = THIS_MODULE,
+        .request                = wm8903_gpio_request,
+        .direction_input        = wm8903_gpio_direction_in,
+        .get                    = wm8903_gpio_get,
+        .direction_output       = wm8903_gpio_direction_out,
+        .set                    = wm8903_gpio_set,
+        .can_sleep              = 1,
+};
+
+static void wm8903_init_gpio(struct snd_soc_codec *codec)
+{
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+        struct wm8903_platform_data *pdata = dev_get_platdata(codec->dev);
+        int ret;
+
+        wm8903->gpio_chip = wm8903_template_chip;
+        wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO;
+        wm8903->gpio_chip.dev = codec->dev;
+
+        if (pdata && pdata->gpio_base)
+                wm8903->gpio_chip.base = pdata->gpio_base;
+        else
+                wm8903->gpio_chip.base = -1;
+
+        ret = gpiochip_add(&wm8903->gpio_chip);
+        if (ret != 0)
+                dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret);
+}
+
+static void wm8903_free_gpio(struct snd_soc_codec *codec)
+{
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+        int ret;
+
+        ret = gpiochip_remove(&wm8903->gpio_chip);
+        if (ret != 0)
+                dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret);
+}
+#else
+static void wm8903_init_gpio(struct snd_soc_codec *codec)
+{
+}
+
+static void wm8903_free_gpio(struct snd_soc_codec *codec)
+{
+}
+#endif
+
 static int wm8903_probe(struct snd_soc_codec *codec)
 {
         struct wm8903_platform_data *pdata = dev_get_platdata(codec->dev);
         struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
         int ret, i;
         int trigger, irq_pol;
         u16 val;
 
-        init_completion(&wm8903->wseq);
+        wm8903->codec = codec;
 
         ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
         if (ret != 0) {
                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
                 return ret;
         }
 
         val = snd_soc_read(codec, WM8903_SW_RESET_AND_ID);
         if (val != wm8903_reg_defaults[WM8903_SW_RESET_AND_ID]) {
                 dev_err(codec->dev,
                         "Device with ID register %x is not a WM8903\n", val);
                 return -ENODEV;
         }
 
         val = snd_soc_read(codec, WM8903_REVISION_NUMBER);
-        dev_info(codec->dev, "WM8903 revision %d\n",
-                 val & WM8903_CHIP_REV_MASK);
+        dev_info(codec->dev, "WM8903 revision %c\n",
+                 (val & WM8903_CHIP_REV_MASK) + 'A');
 
         wm8903_reset(codec);
 
         /* Set up GPIOs and microphone detection */
         if (pdata) {
+                bool mic_gpio = false;
+
                 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
-                        if (!pdata->gpio_cfg[i])
+                        if (pdata->gpio_cfg[i] == WM8903_GPIO_NO_CONFIG)
                                 continue;
 
                         snd_soc_write(codec, WM8903_GPIO_CONTROL_1 + i,
                                       pdata->gpio_cfg[i] & 0xffff);
+
+                        val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK)
+                                >> WM8903_GP1_FN_SHIFT;
+
+                        switch (val) {
+                        case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT:
+                        case WM8903_GPn_FN_MICBIAS_SHORT_DETECT:
+                                mic_gpio = true;
+                                break;
+                        default:
+                                break;
+                        }
                 }
 
                 snd_soc_write(codec, WM8903_MIC_BIAS_CONTROL_0,
                               pdata->micdet_cfg);
 
                 /* Microphone detection needs the WSEQ clock */
                 if (pdata->micdet_cfg)
                         snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
                                             WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
 
+                /* If microphone detection is enabled by pdata but
+                 * detected via IRQ then interrupts can be lost before
+                 * the machine driver has set up microphone detection
+                 * IRQs as the IRQs are clear on read.  The detection
+                 * will be enabled when the machine driver configures.
+                 */
+                WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA));
+
                 wm8903->mic_delay = pdata->micdet_delay;
         }
         
         if (wm8903->irq) {
                 if (pdata && pdata->irq_active_low) {
                         trigger = IRQF_TRIGGER_LOW;
                         irq_pol = WM8903_IRQ_POL;
                 } else {
                         trigger = IRQF_TRIGGER_HIGH;
                         irq_pol = 0;
@@ skipping 39 matching lines @@
         val |= WM8903_LINEOUTVU;
         snd_soc_write(codec, WM8903_ANALOGUE_OUT2_LEFT, val);
         snd_soc_write(codec, WM8903_ANALOGUE_OUT2_RIGHT, val);
 
         val = snd_soc_read(codec, WM8903_ANALOGUE_OUT3_LEFT);
         val |= WM8903_SPKVU;
         snd_soc_write(codec, WM8903_ANALOGUE_OUT3_LEFT, val);
         snd_soc_write(codec, WM8903_ANALOGUE_OUT3_RIGHT, val);
 
         /* Enable DAC soft mute by default */
-        val = snd_soc_read(codec, WM8903_DAC_DIGITAL_1);
-        val |= WM8903_DAC_MUTEMODE;
-        snd_soc_write(codec, WM8903_DAC_DIGITAL_1, val);
+        snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1,
+                            WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE,
+                            WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE);
 
         snd_soc_add_controls(codec, wm8903_snd_controls,
                                 ARRAY_SIZE(wm8903_snd_controls));
         wm8903_add_widgets(codec);
 
+        wm8903_init_gpio(codec);
+
         return ret;
 }
 
 /* power down chip */
 static int wm8903_remove(struct snd_soc_codec *codec)
 {
+        wm8903_free_gpio(codec);
         wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
         return 0;
 }
 
 static struct snd_soc_codec_driver soc_codec_dev_wm8903 = {
         .probe =        wm8903_probe,
         .remove =       wm8903_remove,
         .suspend =      wm8903_suspend,
         .resume =       wm8903_resume,
         .set_bias_level = wm8903_set_bias_level,
         .reg_cache_size = ARRAY_SIZE(wm8903_reg_defaults),
         .reg_word_size = sizeof(u16),
         .reg_cache_default = wm8903_reg_defaults,
         .volatile_register = wm8903_volatile_register,
+        .seq_notifier = wm8903_seq_notifier,
 };
 
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 static __devinit int wm8903_i2c_probe(struct i2c_client *i2c,
                                       const struct i2c_device_id *id)
 {
         struct wm8903_priv *wm8903;
         int ret;
 
         wm8903 = kzalloc(sizeof(struct wm8903_priv), GFP_KERNEL);
@@ skipping 18 matching lines @@
 }
 
 static const struct i2c_device_id wm8903_i2c_id[] = {
         { "wm8903", 0 },
         { }
 };
 MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id);
 
 static struct i2c_driver wm8903_i2c_driver = {
         .driver = {
-                .name = "wm8903-codec",
+                .name = "wm8903",
                 .owner = THIS_MODULE,
         },
         .probe =    wm8903_i2c_probe,
         .remove =   __devexit_p(wm8903_i2c_remove),
         .id_table = wm8903_i2c_id,
 };
 #endif
 
 static int __init wm8903_modinit(void)
 {
@@ skipping 13 matching lines @@
 {
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
         i2c_del_driver(&wm8903_i2c_driver);
 #endif
 }
 module_exit(wm8903_exit);
 
 MODULE_DESCRIPTION("ASoC WM8903 driver");
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>");
 MODULE_LICENSE("GPL");