Pileus Git - ~andy/linux/blob - sound/soc/codecs/wm_hubs.c

   1 /*
   2  * wm_hubs.c  --  WM8993/4 common code
   3  *
   4  * Copyright 2009-12 Wolfson Microelectronics plc
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/module.h>
  15 #include <linux/moduleparam.h>
  16 #include <linux/init.h>
  17 #include <linux/delay.h>
  18 #include <linux/pm.h>
  19 #include <linux/i2c.h>
  20 #include <linux/mfd/wm8994/registers.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/pcm_params.h>
  24 #include <sound/soc.h>
  25 #include <sound/initval.h>
  26 #include <sound/tlv.h>
  27
  28 #include "wm8993.h"
  29 #include "wm_hubs.h"
  30
  31 const DECLARE_TLV_DB_SCALE(wm_hubs_spkmix_tlv, -300, 300, 0);
  32 EXPORT_SYMBOL_GPL(wm_hubs_spkmix_tlv);
  33
  34 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1650, 150, 0);
  35 static const DECLARE_TLV_DB_SCALE(inmix_sw_tlv, 0, 3000, 0);
  36 static const DECLARE_TLV_DB_SCALE(inmix_tlv, -1500, 300, 1);
  37 static const DECLARE_TLV_DB_SCALE(earpiece_tlv, -600, 600, 0);
  38 static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
  39 static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
  40 static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
  41 static const unsigned int spkboost_tlv[] = {
  42         TLV_DB_RANGE_HEAD(2),
  43         0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
  44         7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
  45 };
  46 static const DECLARE_TLV_DB_SCALE(line_tlv, -600, 600, 0);
  47
  48 static const char *speaker_ref_text[] = {
  49         "SPKVDD/2",
  50         "VMID",
  51 };
  52
  53 static const struct soc_enum speaker_ref =
  54         SOC_ENUM_SINGLE(WM8993_SPEAKER_MIXER, 8, 2, speaker_ref_text);
  55
  56 static const char *speaker_mode_text[] = {
  57         "Class D",
  58         "Class AB",
  59 };
  60
  61 static const struct soc_enum speaker_mode =
  62         SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
  63
  64 static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
  65 {
  66         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
  67         unsigned int reg;
  68         int count = 0;
  69         int timeout;
  70         unsigned int val;
  71
  72         val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
  73
  74         /* Trigger the command */
  75         snd_soc_write(codec, WM8993_DC_SERVO_0, val);
  76
  77         dev_dbg(codec->dev, "Waiting for DC servo...\n");
  78
  79         if (hubs->dcs_done_irq)
  80                 timeout = 4;
  81         else
  82                 timeout = 400;
  83
  84         do {
  85                 count++;
  86
  87                 if (hubs->dcs_done_irq)
  88                         wait_for_completion_timeout(&hubs->dcs_done,
  89                                                     msecs_to_jiffies(250));
  90                 else
  91                         msleep(1);
  92
  93                 reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
  94                 dev_dbg(codec->dev, "DC servo: %x\n", reg);
  95         } while (reg & op && count < timeout);
  96
  97         if (reg & op)
  98                 dev_err(codec->dev, "Timed out waiting for DC Servo %x\n",
  99                         op);
 100 }
 101
 102 irqreturn_t wm_hubs_dcs_done(int irq, void *data)
 103 {
 104         struct wm_hubs_data *hubs = data;
 105
 106         complete(&hubs->dcs_done);
 107
 108         return IRQ_HANDLED;
 109 }
 110 EXPORT_SYMBOL_GPL(wm_hubs_dcs_done);
 111
 112 static bool wm_hubs_dac_hp_direct(struct snd_soc_codec *codec)
 113 {
 114         int reg;
 115
 116         /* If we're going via the mixer we'll need to do additional checks */
 117         reg = snd_soc_read(codec, WM8993_OUTPUT_MIXER1);
 118         if (!(reg & WM8993_DACL_TO_HPOUT1L)) {
 119                 if (reg & ~WM8993_DACL_TO_MIXOUTL) {
 120                         dev_vdbg(codec->dev, "Analogue paths connected: %x\n",
 121                                  reg & ~WM8993_DACL_TO_HPOUT1L);
 122                         return false;
 123                 } else {
 124                         dev_vdbg(codec->dev, "HPL connected to mixer\n");
 125                 }
 126         } else {
 127                 dev_vdbg(codec->dev, "HPL connected to DAC\n");
 128         }
 129
 130         reg = snd_soc_read(codec, WM8993_OUTPUT_MIXER2);
 131         if (!(reg & WM8993_DACR_TO_HPOUT1R)) {
 132                 if (reg & ~WM8993_DACR_TO_MIXOUTR) {
 133                         dev_vdbg(codec->dev, "Analogue paths connected: %x\n",
 134                                  reg & ~WM8993_DACR_TO_HPOUT1R);
 135                         return false;
 136                 } else {
 137                         dev_vdbg(codec->dev, "HPR connected to mixer\n");
 138                 }
 139         } else {
 140                 dev_vdbg(codec->dev, "HPR connected to DAC\n");
 141         }
 142
 143         return true;
 144 }
 145
 146 struct wm_hubs_dcs_cache {
 147         struct list_head list;
 148         unsigned int left;
 149         unsigned int right;
 150         u16 dcs_cfg;
 151 };
 152
 153 static bool wm_hubs_dcs_cache_get(struct snd_soc_codec *codec,
 154                                   struct wm_hubs_dcs_cache **entry)
 155 {
 156         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 157         struct wm_hubs_dcs_cache *cache;
 158         unsigned int left, right;
 159
 160         left = snd_soc_read(codec, WM8993_LEFT_OUTPUT_VOLUME);
 161         left &= WM8993_HPOUT1L_VOL_MASK;
 162
 163         right = snd_soc_read(codec, WM8993_RIGHT_OUTPUT_VOLUME);
 164         right &= WM8993_HPOUT1R_VOL_MASK;
 165
 166         list_for_each_entry(cache, &hubs->dcs_cache, list) {
 167                 if (cache->left != left || cache->right != right)
 168                         continue;
 169
 170                 *entry = cache;
 171                 return true;
 172         }
 173
 174         return false;
 175 }
 176
 177 static void wm_hubs_dcs_cache_set(struct snd_soc_codec *codec, u16 dcs_cfg)
 178 {
 179         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 180         struct wm_hubs_dcs_cache *cache;
 181
 182         if (hubs->no_cache_dac_hp_direct)
 183                 return;
 184
 185         cache = devm_kzalloc(codec->dev, sizeof(*cache), GFP_KERNEL);
 186         if (!cache) {
 187                 dev_err(codec->dev, "Failed to allocate DCS cache entry\n");
 188                 return;
 189         }
 190
 191         cache->left = snd_soc_read(codec, WM8993_LEFT_OUTPUT_VOLUME);
 192         cache->left &= WM8993_HPOUT1L_VOL_MASK;
 193
 194         cache->right = snd_soc_read(codec, WM8993_RIGHT_OUTPUT_VOLUME);
 195         cache->right &= WM8993_HPOUT1R_VOL_MASK;
 196
 197         cache->dcs_cfg = dcs_cfg;
 198
 199         list_add_tail(&cache->list, &hubs->dcs_cache);
 200 }
 201
 202 static void wm_hubs_read_dc_servo(struct snd_soc_codec *codec,
 203                                   u16 *reg_l, u16 *reg_r)
 204 {
 205         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 206         u16 dcs_reg, reg;
 207
 208         switch (hubs->dcs_readback_mode) {
 209         case 2:
 210                 dcs_reg = WM8994_DC_SERVO_4E;
 211                 break;
 212         case 1:
 213                 dcs_reg = WM8994_DC_SERVO_READBACK;
 214                 break;
 215         default:
 216                 dcs_reg = WM8993_DC_SERVO_3;
 217                 break;
 218         }
 219
 220         /* Different chips in the family support different readback
 221          * methods.
 222          */
 223         switch (hubs->dcs_readback_mode) {
 224         case 0:
 225                 *reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
 226                         & WM8993_DCS_INTEG_CHAN_0_MASK;
 227                 *reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
 228                         & WM8993_DCS_INTEG_CHAN_1_MASK;
 229                 break;
 230         case 2:
 231         case 1:
 232                 reg = snd_soc_read(codec, dcs_reg);
 233                 *reg_r = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
 234                         >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 235                 *reg_l = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
 236                 break;
 237         default:
 238                 WARN(1, "Unknown DCS readback method\n");
 239                 return;
 240         }
 241 }
 242
 243 /*
 244  * Startup calibration of the DC servo
 245  */
 246 static void enable_dc_servo(struct snd_soc_codec *codec)
 247 {
 248         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 249         struct wm_hubs_dcs_cache *cache;
 250         s8 offset;
 251         u16 reg_l, reg_r, dcs_cfg, dcs_reg;
 252
 253         switch (hubs->dcs_readback_mode) {
 254         case 2:
 255                 dcs_reg = WM8994_DC_SERVO_4E;
 256                 break;
 257         default:
 258                 dcs_reg = WM8993_DC_SERVO_3;
 259                 break;
 260         }
 261
 262         /* If we're using a digital only path and have a previously
 263          * callibrated DC servo offset stored then use that. */
 264         if (wm_hubs_dac_hp_direct(codec) &&
 265             wm_hubs_dcs_cache_get(codec, &cache)) {
 266                 dev_dbg(codec->dev, "Using cached DCS offset %x for %d,%d\n",
 267                         cache->dcs_cfg, cache->left, cache->right);
 268                 snd_soc_write(codec, dcs_reg, cache->dcs_cfg);
 269                 wait_for_dc_servo(codec,
 270                                   WM8993_DCS_TRIG_DAC_WR_0 |
 271                                   WM8993_DCS_TRIG_DAC_WR_1);
 272                 return;
 273         }
 274
 275         if (hubs->series_startup) {
 276                 /* Set for 32 series updates */
 277                 snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 278                                     WM8993_DCS_SERIES_NO_01_MASK,
 279                                     32 << WM8993_DCS_SERIES_NO_01_SHIFT);
 280                 wait_for_dc_servo(codec,
 281                                   WM8993_DCS_TRIG_SERIES_0 |
 282                                   WM8993_DCS_TRIG_SERIES_1);
 283         } else {
 284                 wait_for_dc_servo(codec,
 285                                   WM8993_DCS_TRIG_STARTUP_0 |
 286                                   WM8993_DCS_TRIG_STARTUP_1);
 287         }
 288
 289         wm_hubs_read_dc_servo(codec, &reg_l, &reg_r);
 290
 291         dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
 292
 293         /* Apply correction to DC servo result */
 294         if (hubs->dcs_codes_l || hubs->dcs_codes_r) {
 295                 dev_dbg(codec->dev,
 296                         "Applying %d/%d code DC servo correction\n",
 297                         hubs->dcs_codes_l, hubs->dcs_codes_r);
 298
 299                 /* HPOUT1R */
 300                 offset = (s8)reg_r;
 301                 dev_dbg(codec->dev, "DCS right %d->%d\n", offset,
 302                         offset + hubs->dcs_codes_r);
 303                 offset += hubs->dcs_codes_r;
 304                 dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 305
 306                 /* HPOUT1L */
 307                 offset = (s8)reg_l;
 308                 dev_dbg(codec->dev, "DCS left %d->%d\n", offset,
 309                         offset + hubs->dcs_codes_l);
 310                 offset += hubs->dcs_codes_l;
 311                 dcs_cfg |= (u8)offset;
 312
 313                 dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
 314
 315                 /* Do it */
 316                 snd_soc_write(codec, dcs_reg, dcs_cfg);
 317                 wait_for_dc_servo(codec,
 318                                   WM8993_DCS_TRIG_DAC_WR_0 |
 319                                   WM8993_DCS_TRIG_DAC_WR_1);
 320         } else {
 321                 dcs_cfg = reg_r << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 322                 dcs_cfg |= reg_l;
 323         }
 324
 325         /* Save the callibrated offset if we're in class W mode and
 326          * therefore don't have any analogue signal mixed in. */
 327         if (wm_hubs_dac_hp_direct(codec))
 328                 wm_hubs_dcs_cache_set(codec, dcs_cfg);
 329 }
 330
 331 /*
 332  * Update the DC servo calibration on gain changes
 333  */
 334 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
 335                                struct snd_ctl_elem_value *ucontrol)
 336 {
 337         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 338         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 339         int ret;
 340
 341         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 342
 343         /* If we're applying an offset correction then updating the
 344          * callibration would be likely to introduce further offsets. */
 345         if (hubs->dcs_codes_l || hubs->dcs_codes_r || hubs->no_series_update)
 346                 return ret;
 347
 348         /* Only need to do this if the outputs are active */
 349         if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
 350             & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
 351                 snd_soc_update_bits(codec,
 352                                     WM8993_DC_SERVO_0,
 353                                     WM8993_DCS_TRIG_SINGLE_0 |
 354                                     WM8993_DCS_TRIG_SINGLE_1,
 355                                     WM8993_DCS_TRIG_SINGLE_0 |
 356                                     WM8993_DCS_TRIG_SINGLE_1);
 357
 358         return ret;
 359 }
 360
 361 static const struct snd_kcontrol_new analogue_snd_controls[] = {
 362 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 363                inpga_tlv),
 364 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 365 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
 366
 367 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 368                inpga_tlv),
 369 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 370 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
 371
 372
 373 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 374                inpga_tlv),
 375 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 376 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
 377
 378 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 379                inpga_tlv),
 380 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 381 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
 382
 383 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
 384                inmix_sw_tlv),
 385 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
 386                inmix_sw_tlv),
 387 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
 388                inmix_tlv),
 389 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
 390 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
 391                inmix_tlv),
 392
 393 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
 394                inmix_sw_tlv),
 395 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
 396                inmix_sw_tlv),
 397 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
 398                inmix_tlv),
 399 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
 400 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
 401                inmix_tlv),
 402
 403 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
 404                outmix_tlv),
 405 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
 406                outmix_tlv),
 407 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
 408                outmix_tlv),
 409 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
 410                outmix_tlv),
 411 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
 412                outmix_tlv),
 413 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
 414                WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
 415 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
 416                WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
 417 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
 418                outmix_tlv),
 419
 420 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
 421                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 422 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
 423                WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
 424 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
 425                WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
 426 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
 427                WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
 428 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
 429                WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
 430 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
 431                WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
 432 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
 433                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 434 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
 435                WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
 436
 437 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
 438                  WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
 439 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
 440              WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
 441 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
 442              WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
 443
 444 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
 445 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
 446
 447 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
 448                5, 1, 1, wm_hubs_spkmix_tlv),
 449 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
 450                4, 1, 1, wm_hubs_spkmix_tlv),
 451 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
 452                3, 1, 1, wm_hubs_spkmix_tlv),
 453
 454 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
 455                5, 1, 1, wm_hubs_spkmix_tlv),
 456 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
 457                4, 1, 1, wm_hubs_spkmix_tlv),
 458 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
 459                3, 1, 1, wm_hubs_spkmix_tlv),
 460
 461 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
 462                  WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
 463                  0, 3, 1, spkmixout_tlv),
 464 SOC_DOUBLE_R_TLV("Speaker Volume",
 465                  WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 466                  0, 63, 0, outpga_tlv),
 467 SOC_DOUBLE_R("Speaker Switch",
 468              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 469              6, 1, 0),
 470 SOC_DOUBLE_R("Speaker ZC Switch",
 471              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 472              7, 1, 0),
 473 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
 474                spkboost_tlv),
 475 SOC_ENUM("Speaker Reference", speaker_ref),
 476 SOC_ENUM("Speaker Mode", speaker_mode),
 477
 478 SOC_DOUBLE_R_EXT_TLV("Headphone Volume",
 479                      WM8993_LEFT_OUTPUT_VOLUME, WM8993_RIGHT_OUTPUT_VOLUME,
 480                      0, 63, 0, snd_soc_get_volsw, wm8993_put_dc_servo,
 481                      outpga_tlv),
 482
 483 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
 484              WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
 485 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
 486              WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
 487
 488 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
 489 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
 490 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
 491                line_tlv),
 492
 493 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
 494 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
 495 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
 496                line_tlv),
 497 };
 498
 499 static int hp_supply_event(struct snd_soc_dapm_widget *w,
 500                            struct snd_kcontrol *kcontrol, int event)
 501 {
 502         struct snd_soc_codec *codec = w->codec;
 503         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 504
 505         switch (event) {
 506         case SND_SOC_DAPM_PRE_PMU:
 507                 switch (hubs->hp_startup_mode) {
 508                 case 0:
 509                         break;
 510                 case 1:
 511                         /* Enable the headphone amp */
 512                         snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 513                                             WM8993_HPOUT1L_ENA |
 514                                             WM8993_HPOUT1R_ENA,
 515                                             WM8993_HPOUT1L_ENA |
 516                                             WM8993_HPOUT1R_ENA);
 517
 518                         /* Enable the second stage */
 519                         snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 520                                             WM8993_HPOUT1L_DLY |
 521                                             WM8993_HPOUT1R_DLY,
 522                                             WM8993_HPOUT1L_DLY |
 523                                             WM8993_HPOUT1R_DLY);
 524                         break;
 525                 default:
 526                         dev_err(codec->dev, "Unknown HP startup mode %d\n",
 527                                 hubs->hp_startup_mode);
 528                         break;
 529                 }
 530
 531         case SND_SOC_DAPM_PRE_PMD:
 532                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 533                                     WM8993_CP_ENA, 0);
 534                 break;
 535         }
 536
 537         return 0;
 538 }
 539
 540 static int hp_event(struct snd_soc_dapm_widget *w,
 541                     struct snd_kcontrol *kcontrol, int event)
 542 {
 543         struct snd_soc_codec *codec = w->codec;
 544         unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
 545
 546         switch (event) {
 547         case SND_SOC_DAPM_POST_PMU:
 548                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 549                                     WM8993_CP_ENA, WM8993_CP_ENA);
 550
 551                 msleep(5);
 552
 553                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 554                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 555                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
 556
 557                 reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
 558                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 559
 560                 snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 561                                     WM8993_DCS_TIMER_PERIOD_01_MASK, 0);
 562
 563                 enable_dc_servo(codec);
 564
 565                 reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
 566                         WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
 567                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 568                 break;
 569
 570         case SND_SOC_DAPM_PRE_PMD:
 571                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 572                                     WM8993_HPOUT1L_OUTP |
 573                                     WM8993_HPOUT1R_OUTP |
 574                                     WM8993_HPOUT1L_RMV_SHORT |
 575                                     WM8993_HPOUT1R_RMV_SHORT, 0);
 576
 577                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 578                                     WM8993_HPOUT1L_DLY |
 579                                     WM8993_HPOUT1R_DLY, 0);
 580
 581                 snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
 582
 583                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 584                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 585                                     0);
 586                 break;
 587         }
 588
 589         return 0;
 590 }
 591
 592 static int earpiece_event(struct snd_soc_dapm_widget *w,
 593                           struct snd_kcontrol *control, int event)
 594 {
 595         struct snd_soc_codec *codec = w->codec;
 596         u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
 597
 598         switch (event) {
 599         case SND_SOC_DAPM_PRE_PMU:
 600                 reg |= WM8993_HPOUT2_IN_ENA;
 601                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 602                 udelay(50);
 603                 break;
 604
 605         case SND_SOC_DAPM_POST_PMD:
 606                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 607                 break;
 608
 609         default:
 610                 BUG();
 611                 break;
 612         }
 613
 614         return 0;
 615 }
 616
 617 static int lineout_event(struct snd_soc_dapm_widget *w,
 618                          struct snd_kcontrol *control, int event)
 619 {
 620         struct snd_soc_codec *codec = w->codec;
 621         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 622         bool *flag;
 623
 624         switch (w->shift) {
 625         case WM8993_LINEOUT1N_ENA_SHIFT:
 626                 flag = &hubs->lineout1n_ena;
 627                 break;
 628         case WM8993_LINEOUT1P_ENA_SHIFT:
 629                 flag = &hubs->lineout1p_ena;
 630                 break;
 631         case WM8993_LINEOUT2N_ENA_SHIFT:
 632                 flag = &hubs->lineout2n_ena;
 633                 break;
 634         case WM8993_LINEOUT2P_ENA_SHIFT:
 635                 flag = &hubs->lineout2p_ena;
 636                 break;
 637         default:
 638                 WARN(1, "Unknown line output");
 639                 return -EINVAL;
 640         }
 641
 642         *flag = SND_SOC_DAPM_EVENT_ON(event);
 643
 644         return 0;
 645 }
 646
 647 static int micbias_event(struct snd_soc_dapm_widget *w,
 648                          struct snd_kcontrol *kcontrol, int event)
 649 {
 650         struct snd_soc_codec *codec = w->codec;
 651         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 652
 653         switch (w->shift) {
 654         case WM8993_MICB1_ENA_SHIFT:
 655                 if (hubs->micb1_delay)
 656                         msleep(hubs->micb1_delay);
 657                 break;
 658         case WM8993_MICB2_ENA_SHIFT:
 659                 if (hubs->micb2_delay)
 660                         msleep(hubs->micb2_delay);
 661                 break;
 662         default:
 663                 return -EINVAL;
 664         }
 665
 666         return 0;
 667 }
 668
 669 void wm_hubs_update_class_w(struct snd_soc_codec *codec)
 670 {
 671         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 672         int enable = WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ;
 673
 674         if (!wm_hubs_dac_hp_direct(codec))
 675                 enable = false;
 676
 677         if (hubs->check_class_w_digital && !hubs->check_class_w_digital(codec))
 678                 enable = false;
 679
 680         dev_vdbg(codec->dev, "Class W %s\n", enable ? "enabled" : "disabled");
 681
 682         snd_soc_update_bits(codec, WM8993_CLASS_W_0,
 683                             WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ, enable);
 684
 685         snd_soc_write(codec, WM8993_LEFT_OUTPUT_VOLUME,
 686                       snd_soc_read(codec, WM8993_LEFT_OUTPUT_VOLUME));
 687         snd_soc_write(codec, WM8993_RIGHT_OUTPUT_VOLUME,
 688                       snd_soc_read(codec, WM8993_RIGHT_OUTPUT_VOLUME));
 689 }
 690 EXPORT_SYMBOL_GPL(wm_hubs_update_class_w);
 691
 692 #define WM_HUBS_SINGLE_W(xname, reg, shift, max, invert) \
 693 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 694         .info = snd_soc_info_volsw, \
 695         .get = snd_soc_dapm_get_volsw, .put = class_w_put_volsw, \
 696         .private_value =  SOC_SINGLE_VALUE(reg, shift, max, invert) }
 697
 698 static int class_w_put_volsw(struct snd_kcontrol *kcontrol,
 699                               struct snd_ctl_elem_value *ucontrol)
 700 {
 701         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 702         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 703         struct snd_soc_codec *codec = widget->codec;
 704         int ret;
 705
 706         ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
 707
 708         wm_hubs_update_class_w(codec);
 709
 710         return ret;
 711 }
 712
 713 #define WM_HUBS_ENUM_W(xname, xenum) \
 714 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 715         .info = snd_soc_info_enum_double, \
 716         .get = snd_soc_dapm_get_enum_double, \
 717         .put = class_w_put_double, \
 718         .private_value = (unsigned long)&xenum }
 719
 720 static int class_w_put_double(struct snd_kcontrol *kcontrol,
 721                               struct snd_ctl_elem_value *ucontrol)
 722 {
 723         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 724         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 725         struct snd_soc_codec *codec = widget->codec;
 726         int ret;
 727
 728         ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 729
 730         wm_hubs_update_class_w(codec);
 731
 732         return ret;
 733 }
 734
 735 static const char *hp_mux_text[] = {
 736         "Mixer",
 737         "DAC",
 738 };
 739
 740 static const struct soc_enum hpl_enum =
 741         SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER1, 8, 2, hp_mux_text);
 742
 743 const struct snd_kcontrol_new wm_hubs_hpl_mux =
 744         WM_HUBS_ENUM_W("Left Headphone Mux", hpl_enum);
 745 EXPORT_SYMBOL_GPL(wm_hubs_hpl_mux);
 746
 747 static const struct soc_enum hpr_enum =
 748         SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER2, 8, 2, hp_mux_text);
 749
 750 const struct snd_kcontrol_new wm_hubs_hpr_mux =
 751         WM_HUBS_ENUM_W("Right Headphone Mux", hpr_enum);
 752 EXPORT_SYMBOL_GPL(wm_hubs_hpr_mux);
 753
 754 static const struct snd_kcontrol_new in1l_pga[] = {
 755 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
 756 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
 757 };
 758
 759 static const struct snd_kcontrol_new in1r_pga[] = {
 760 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
 761 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
 762 };
 763
 764 static const struct snd_kcontrol_new in2l_pga[] = {
 765 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
 766 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
 767 };
 768
 769 static const struct snd_kcontrol_new in2r_pga[] = {
 770 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
 771 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
 772 };
 773
 774 static const struct snd_kcontrol_new mixinl[] = {
 775 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
 776 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
 777 };
 778
 779 static const struct snd_kcontrol_new mixinr[] = {
 780 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
 781 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
 782 };
 783
 784 static const struct snd_kcontrol_new left_output_mixer[] = {
 785 WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
 786 WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
 787 WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
 788 WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
 789 WM_HUBS_SINGLE_W("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
 790 WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
 791 WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
 792 WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
 793 };
 794
 795 static const struct snd_kcontrol_new right_output_mixer[] = {
 796 WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
 797 WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
 798 WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
 799 WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
 800 WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
 801 WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
 802 WM_HUBS_SINGLE_W("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
 803 WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
 804 };
 805
 806 static const struct snd_kcontrol_new earpiece_mixer[] = {
 807 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
 808 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
 809 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
 810 };
 811
 812 static const struct snd_kcontrol_new left_speaker_boost[] = {
 813 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
 814 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
 815 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
 816 };
 817
 818 static const struct snd_kcontrol_new right_speaker_boost[] = {
 819 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
 820 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
 821 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
 822 };
 823
 824 static const struct snd_kcontrol_new line1_mix[] = {
 825 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
 826 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
 827 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 828 };
 829
 830 static const struct snd_kcontrol_new line1n_mix[] = {
 831 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
 832 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
 833 };
 834
 835 static const struct snd_kcontrol_new line1p_mix[] = {
 836 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 837 };
 838
 839 static const struct snd_kcontrol_new line2_mix[] = {
 840 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER2, 2, 1, 0),
 841 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER2, 1, 1, 0),
 842 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 843 };
 844
 845 static const struct snd_kcontrol_new line2n_mix[] = {
 846 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
 847 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
 848 };
 849
 850 static const struct snd_kcontrol_new line2p_mix[] = {
 851 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 852 };
 853
 854 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
 855 SND_SOC_DAPM_INPUT("IN1LN"),
 856 SND_SOC_DAPM_INPUT("IN1LP"),
 857 SND_SOC_DAPM_INPUT("IN2LN"),
 858 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
 859 SND_SOC_DAPM_INPUT("IN1RN"),
 860 SND_SOC_DAPM_INPUT("IN1RP"),
 861 SND_SOC_DAPM_INPUT("IN2RN"),
 862 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
 863
 864 SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0,
 865                     micbias_event, SND_SOC_DAPM_POST_PMU),
 866 SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0,
 867                     micbias_event, SND_SOC_DAPM_POST_PMU),
 868
 869 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
 870                    in1l_pga, ARRAY_SIZE(in1l_pga)),
 871 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
 872                    in1r_pga, ARRAY_SIZE(in1r_pga)),
 873
 874 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
 875                    in2l_pga, ARRAY_SIZE(in2l_pga)),
 876 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
 877                    in2r_pga, ARRAY_SIZE(in2r_pga)),
 878
 879 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
 880                    mixinl, ARRAY_SIZE(mixinl)),
 881 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
 882                    mixinr, ARRAY_SIZE(mixinr)),
 883
 884 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
 885                    left_output_mixer, ARRAY_SIZE(left_output_mixer)),
 886 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
 887                    right_output_mixer, ARRAY_SIZE(right_output_mixer)),
 888
 889 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
 890 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
 891
 892 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
 893                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
 894 SND_SOC_DAPM_OUT_DRV_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
 895                        hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 896
 897 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
 898                    earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
 899 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
 900                    NULL, 0, earpiece_event,
 901                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 902
 903 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
 904                    left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
 905 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
 906                    right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
 907
 908 SND_SOC_DAPM_SUPPLY("TSHUT", WM8993_POWER_MANAGEMENT_2, 14, 0, NULL, 0),
 909 SND_SOC_DAPM_OUT_DRV("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
 910                      NULL, 0),
 911 SND_SOC_DAPM_OUT_DRV("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
 912                      NULL, 0),
 913
 914 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
 915                    line1_mix, ARRAY_SIZE(line1_mix)),
 916 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
 917                    line2_mix, ARRAY_SIZE(line2_mix)),
 918
 919 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
 920                    line1n_mix, ARRAY_SIZE(line1n_mix)),
 921 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
 922                    line1p_mix, ARRAY_SIZE(line1p_mix)),
 923 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
 924                    line2n_mix, ARRAY_SIZE(line2n_mix)),
 925 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
 926                    line2p_mix, ARRAY_SIZE(line2p_mix)),
 927
 928 SND_SOC_DAPM_OUT_DRV_E("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
 929                        NULL, 0, lineout_event,
 930                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 931 SND_SOC_DAPM_OUT_DRV_E("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
 932                        NULL, 0, lineout_event,
 933                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 934 SND_SOC_DAPM_OUT_DRV_E("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
 935                        NULL, 0, lineout_event,
 936                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 937 SND_SOC_DAPM_OUT_DRV_E("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
 938                        NULL, 0, lineout_event,
 939                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 940
 941 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
 942 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
 943 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
 944 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
 945 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
 946 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
 947 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
 948 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
 949 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
 950 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
 951 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
 952 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
 953 };
 954
 955 static const struct snd_soc_dapm_route analogue_routes[] = {
 956         { "MICBIAS1", NULL, "CLK_SYS" },
 957         { "MICBIAS2", NULL, "CLK_SYS" },
 958
 959         { "IN1L PGA", "IN1LP Switch", "IN1LP" },
 960         { "IN1L PGA", "IN1LN Switch", "IN1LN" },
 961
 962         { "IN1L PGA", NULL, "VMID" },
 963         { "IN1R PGA", NULL, "VMID" },
 964         { "IN2L PGA", NULL, "VMID" },
 965         { "IN2R PGA", NULL, "VMID" },
 966
 967         { "IN1R PGA", "IN1RP Switch", "IN1RP" },
 968         { "IN1R PGA", "IN1RN Switch", "IN1RN" },
 969
 970         { "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
 971         { "IN2L PGA", "IN2LN Switch", "IN2LN" },
 972
 973         { "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
 974         { "IN2R PGA", "IN2RN Switch", "IN2RN" },
 975
 976         { "Direct Voice", NULL, "IN2LP:VXRN" },
 977         { "Direct Voice", NULL, "IN2RP:VXRP" },
 978
 979         { "MIXINL", "IN1L Switch", "IN1L PGA" },
 980         { "MIXINL", "IN2L Switch", "IN2L PGA" },
 981         { "MIXINL", NULL, "Direct Voice" },
 982         { "MIXINL", NULL, "IN1LP" },
 983         { "MIXINL", NULL, "Left Output Mixer" },
 984         { "MIXINL", NULL, "VMID" },
 985
 986         { "MIXINR", "IN1R Switch", "IN1R PGA" },
 987         { "MIXINR", "IN2R Switch", "IN2R PGA" },
 988         { "MIXINR", NULL, "Direct Voice" },
 989         { "MIXINR", NULL, "IN1RP" },
 990         { "MIXINR", NULL, "Right Output Mixer" },
 991         { "MIXINR", NULL, "VMID" },
 992
 993         { "ADCL", NULL, "MIXINL" },
 994         { "ADCR", NULL, "MIXINR" },
 995
 996         { "Left Output Mixer", "Left Input Switch", "MIXINL" },
 997         { "Left Output Mixer", "Right Input Switch", "MIXINR" },
 998         { "Left Output Mixer", "IN2RN Switch", "IN2RN" },
 999         { "Left Output Mixer", "IN2LN Switch", "IN2LN" },
1000         { "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
1001         { "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
1002         { "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
1003
1004         { "Right Output Mixer", "Left Input Switch", "MIXINL" },
1005         { "Right Output Mixer", "Right Input Switch", "MIXINR" },
1006         { "Right Output Mixer", "IN2LN Switch", "IN2LN" },
1007         { "Right Output Mixer", "IN2RN Switch", "IN2RN" },
1008         { "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
1009         { "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
1010         { "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
1011
1012         { "Left Output PGA", NULL, "Left Output Mixer" },
1013         { "Left Output PGA", NULL, "TOCLK" },
1014
1015         { "Right Output PGA", NULL, "Right Output Mixer" },
1016         { "Right Output PGA", NULL, "TOCLK" },
1017
1018         { "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
1019         { "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
1020         { "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
1021
1022         { "Earpiece Driver", NULL, "VMID" },
1023         { "Earpiece Driver", NULL, "Earpiece Mixer" },
1024         { "HPOUT2N", NULL, "Earpiece Driver" },
1025         { "HPOUT2P", NULL, "Earpiece Driver" },
1026
1027         { "SPKL", "Input Switch", "MIXINL" },
1028         { "SPKL", "IN1LP Switch", "IN1LP" },
1029         { "SPKL", "Output Switch", "Left Output PGA" },
1030         { "SPKL", NULL, "TOCLK" },
1031
1032         { "SPKR", "Input Switch", "MIXINR" },
1033         { "SPKR", "IN1RP Switch", "IN1RP" },
1034         { "SPKR", "Output Switch", "Right Output PGA" },
1035         { "SPKR", NULL, "TOCLK" },
1036
1037         { "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
1038         { "SPKL Boost", "SPKL Switch", "SPKL" },
1039         { "SPKL Boost", "SPKR Switch", "SPKR" },
1040
1041         { "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
1042         { "SPKR Boost", "SPKR Switch", "SPKR" },
1043         { "SPKR Boost", "SPKL Switch", "SPKL" },
1044
1045         { "SPKL Driver", NULL, "VMID" },
1046         { "SPKL Driver", NULL, "SPKL Boost" },
1047         { "SPKL Driver", NULL, "CLK_SYS" },
1048         { "SPKL Driver", NULL, "TSHUT" },
1049
1050         { "SPKR Driver", NULL, "VMID" },
1051         { "SPKR Driver", NULL, "SPKR Boost" },
1052         { "SPKR Driver", NULL, "CLK_SYS" },
1053         { "SPKR Driver", NULL, "TSHUT" },
1054
1055         { "SPKOUTLP", NULL, "SPKL Driver" },
1056         { "SPKOUTLN", NULL, "SPKL Driver" },
1057         { "SPKOUTRP", NULL, "SPKR Driver" },
1058         { "SPKOUTRN", NULL, "SPKR Driver" },
1059
1060         { "Left Headphone Mux", "Mixer", "Left Output PGA" },
1061         { "Right Headphone Mux", "Mixer", "Right Output PGA" },
1062
1063         { "Headphone PGA", NULL, "Left Headphone Mux" },
1064         { "Headphone PGA", NULL, "Right Headphone Mux" },
1065         { "Headphone PGA", NULL, "VMID" },
1066         { "Headphone PGA", NULL, "CLK_SYS" },
1067         { "Headphone PGA", NULL, "Headphone Supply" },
1068
1069         { "HPOUT1L", NULL, "Headphone PGA" },
1070         { "HPOUT1R", NULL, "Headphone PGA" },
1071
1072         { "LINEOUT1N Driver", NULL, "VMID" },
1073         { "LINEOUT1P Driver", NULL, "VMID" },
1074         { "LINEOUT2N Driver", NULL, "VMID" },
1075         { "LINEOUT2P Driver", NULL, "VMID" },
1076
1077         { "LINEOUT1N", NULL, "LINEOUT1N Driver" },
1078         { "LINEOUT1P", NULL, "LINEOUT1P Driver" },
1079         { "LINEOUT2N", NULL, "LINEOUT2N Driver" },
1080         { "LINEOUT2P", NULL, "LINEOUT2P Driver" },
1081 };
1082
1083 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
1084         { "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
1085         { "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
1086         { "LINEOUT1 Mixer", "Output Switch", "Left Output PGA" },
1087
1088         { "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
1089         { "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
1090 };
1091
1092 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
1093         { "LINEOUT1N Mixer", "Left Output Switch", "Left Output PGA" },
1094         { "LINEOUT1N Mixer", "Right Output Switch", "Right Output PGA" },
1095
1096         { "LINEOUT1P Mixer", "Left Output Switch", "Left Output PGA" },
1097
1098         { "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
1099         { "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
1100 };
1101
1102 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
1103         { "LINEOUT2 Mixer", "IN1L Switch", "IN1L PGA" },
1104         { "LINEOUT2 Mixer", "IN1R Switch", "IN1R PGA" },
1105         { "LINEOUT2 Mixer", "Output Switch", "Right Output PGA" },
1106
1107         { "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
1108         { "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
1109 };
1110
1111 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
1112         { "LINEOUT2N Mixer", "Left Output Switch", "Left Output PGA" },
1113         { "LINEOUT2N Mixer", "Right Output Switch", "Right Output PGA" },
1114
1115         { "LINEOUT2P Mixer", "Right Output Switch", "Right Output PGA" },
1116
1117         { "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
1118         { "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
1119 };
1120
1121 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
1122 {
1123         struct snd_soc_dapm_context *dapm = &codec->dapm;
1124
1125         /* Latch volume update bits & default ZC on */
1126         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
1127                             WM8993_IN1_VU, WM8993_IN1_VU);
1128         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
1129                             WM8993_IN1_VU, WM8993_IN1_VU);
1130         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
1131                             WM8993_IN2_VU, WM8993_IN2_VU);
1132         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
1133                             WM8993_IN2_VU, WM8993_IN2_VU);
1134
1135         snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_LEFT,
1136                             WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
1137         snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
1138                             WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
1139
1140         snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
1141                             WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC,
1142                             WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC);
1143         snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
1144                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
1145                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
1146
1147         snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
1148                             WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU,
1149                             WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU);
1150         snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
1151                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
1152                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
1153
1154         snd_soc_add_codec_controls(codec, analogue_snd_controls,
1155                              ARRAY_SIZE(analogue_snd_controls));
1156
1157         snd_soc_dapm_new_controls(dapm, analogue_dapm_widgets,
1158                                   ARRAY_SIZE(analogue_dapm_widgets));
1159         return 0;
1160 }
1161 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
1162
1163 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
1164                                 int lineout1_diff, int lineout2_diff)
1165 {
1166         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1167         struct snd_soc_dapm_context *dapm = &codec->dapm;
1168
1169         hubs->codec = codec;
1170
1171         INIT_LIST_HEAD(&hubs->dcs_cache);
1172         init_completion(&hubs->dcs_done);
1173
1174         snd_soc_dapm_add_routes(dapm, analogue_routes,
1175                                 ARRAY_SIZE(analogue_routes));
1176
1177         if (lineout1_diff)
1178                 snd_soc_dapm_add_routes(dapm,
1179                                         lineout1_diff_routes,
1180                                         ARRAY_SIZE(lineout1_diff_routes));
1181         else
1182                 snd_soc_dapm_add_routes(dapm,
1183                                         lineout1_se_routes,
1184                                         ARRAY_SIZE(lineout1_se_routes));
1185
1186         if (lineout2_diff)
1187                 snd_soc_dapm_add_routes(dapm,
1188                                         lineout2_diff_routes,
1189                                         ARRAY_SIZE(lineout2_diff_routes));
1190         else
1191                 snd_soc_dapm_add_routes(dapm,
1192                                         lineout2_se_routes,
1193                                         ARRAY_SIZE(lineout2_se_routes));
1194
1195         return 0;
1196 }
1197 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
1198
1199 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
1200                                   int lineout1_diff, int lineout2_diff,
1201                                   int lineout1fb, int lineout2fb,
1202                                   int jd_scthr, int jd_thr,
1203                                   int micbias1_delay, int micbias2_delay,
1204                                   int micbias1_lvl, int micbias2_lvl)
1205 {
1206         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1207
1208         hubs->lineout1_se = !lineout1_diff;
1209         hubs->lineout2_se = !lineout2_diff;
1210         hubs->micb1_delay = micbias1_delay;
1211         hubs->micb2_delay = micbias2_delay;
1212
1213         if (!lineout1_diff)
1214                 snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
1215                                     WM8993_LINEOUT1_MODE,
1216                                     WM8993_LINEOUT1_MODE);
1217         if (!lineout2_diff)
1218                 snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
1219                                     WM8993_LINEOUT2_MODE,
1220                                     WM8993_LINEOUT2_MODE);
1221
1222         if (!lineout1_diff && !lineout2_diff)
1223                 snd_soc_update_bits(codec, WM8993_ANTIPOP1,
1224                                     WM8993_LINEOUT_VMID_BUF_ENA,
1225                                     WM8993_LINEOUT_VMID_BUF_ENA);
1226
1227         if (lineout1fb)
1228                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
1229                                     WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
1230
1231         if (lineout2fb)
1232                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
1233                                     WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
1234
1235         snd_soc_update_bits(codec, WM8993_MICBIAS,
1236                             WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
1237                             WM8993_MICB1_LVL | WM8993_MICB2_LVL,
1238                             jd_scthr << WM8993_JD_SCTHR_SHIFT |
1239                             jd_thr << WM8993_JD_THR_SHIFT |
1240                             micbias1_lvl |
1241                             micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
1242
1243         return 0;
1244 }
1245 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
1246
1247 void wm_hubs_vmid_ena(struct snd_soc_codec *codec)
1248 {
1249         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1250         int val = 0;
1251
1252         if (hubs->lineout1_se)
1253                 val |= WM8993_LINEOUT1N_ENA | WM8993_LINEOUT1P_ENA;
1254
1255         if (hubs->lineout2_se)
1256                 val |= WM8993_LINEOUT2N_ENA | WM8993_LINEOUT2P_ENA;
1257
1258         /* Enable the line outputs while we power up */
1259         snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_3, val, val);
1260 }
1261 EXPORT_SYMBOL_GPL(wm_hubs_vmid_ena);
1262
1263 void wm_hubs_set_bias_level(struct snd_soc_codec *codec,
1264                             enum snd_soc_bias_level level)
1265 {
1266         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1267         int mask, val;
1268
1269         switch (level) {
1270         case SND_SOC_BIAS_STANDBY:
1271                 /* Clamp the inputs to VMID while we ramp to charge caps */
1272                 snd_soc_update_bits(codec, WM8993_INPUTS_CLAMP_REG,
1273                                     WM8993_INPUTS_CLAMP, WM8993_INPUTS_CLAMP);
1274                 break;
1275
1276         case SND_SOC_BIAS_ON:
1277                 /* Turn off any unneded single ended outputs */
1278                 val = 0;
1279                 mask = 0;
1280
1281                 if (hubs->lineout1_se)
1282                         mask |= WM8993_LINEOUT1N_ENA | WM8993_LINEOUT1P_ENA;
1283
1284                 if (hubs->lineout2_se)
1285                         mask |= WM8993_LINEOUT2N_ENA | WM8993_LINEOUT2P_ENA;
1286
1287                 if (hubs->lineout1_se && hubs->lineout1n_ena)
1288                         val |= WM8993_LINEOUT1N_ENA;
1289
1290                 if (hubs->lineout1_se && hubs->lineout1p_ena)
1291                         val |= WM8993_LINEOUT1P_ENA;
1292
1293                 if (hubs->lineout2_se && hubs->lineout2n_ena)
1294                         val |= WM8993_LINEOUT2N_ENA;
1295
1296                 if (hubs->lineout2_se && hubs->lineout2p_ena)
1297                         val |= WM8993_LINEOUT2P_ENA;
1298
1299                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_3,
1300                                     mask, val);
1301
1302                 /* Remove the input clamps */
1303                 snd_soc_update_bits(codec, WM8993_INPUTS_CLAMP_REG,
1304                                     WM8993_INPUTS_CLAMP, 0);
1305                 break;
1306
1307         default:
1308                 break;
1309         }
1310 }
1311 EXPORT_SYMBOL_GPL(wm_hubs_set_bias_level);
1312
1313 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
1314 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
1315 MODULE_LICENSE("GPL");