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 int 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         int ret = 0;
 208
 209         switch (hubs->dcs_readback_mode) {
 210         case 2:
 211                 dcs_reg = WM8994_DC_SERVO_4E;
 212                 break;
 213         case 1:
 214                 dcs_reg = WM8994_DC_SERVO_READBACK;
 215                 break;
 216         default:
 217                 dcs_reg = WM8993_DC_SERVO_3;
 218                 break;
 219         }
 220
 221         /* Different chips in the family support different readback
 222          * methods.
 223          */
 224         switch (hubs->dcs_readback_mode) {
 225         case 0:
 226                 *reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
 227                         & WM8993_DCS_INTEG_CHAN_0_MASK;
 228                 *reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
 229                         & WM8993_DCS_INTEG_CHAN_1_MASK;
 230                 break;
 231         case 2:
 232         case 1:
 233                 reg = snd_soc_read(codec, dcs_reg);
 234                 *reg_r = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
 235                         >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 236                 *reg_l = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
 237                 break;
 238         default:
 239                 WARN(1, "Unknown DCS readback method\n");
 240                 ret = -1;
 241         }
 242         return ret;
 243 }
 244
 245 /*
 246  * Startup calibration of the DC servo
 247  */
 248 static void enable_dc_servo(struct snd_soc_codec *codec)
 249 {
 250         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 251         struct wm_hubs_dcs_cache *cache;
 252         s8 offset;
 253         u16 reg_l, reg_r, dcs_cfg, dcs_reg;
 254
 255         switch (hubs->dcs_readback_mode) {
 256         case 2:
 257                 dcs_reg = WM8994_DC_SERVO_4E;
 258                 break;
 259         default:
 260                 dcs_reg = WM8993_DC_SERVO_3;
 261                 break;
 262         }
 263
 264         /* If we're using a digital only path and have a previously
 265          * callibrated DC servo offset stored then use that. */
 266         if (wm_hubs_dac_hp_direct(codec) &&
 267             wm_hubs_dcs_cache_get(codec, &cache)) {
 268                 dev_dbg(codec->dev, "Using cached DCS offset %x for %d,%d\n",
 269                         cache->dcs_cfg, cache->left, cache->right);
 270                 snd_soc_write(codec, dcs_reg, cache->dcs_cfg);
 271                 wait_for_dc_servo(codec,
 272                                   WM8993_DCS_TRIG_DAC_WR_0 |
 273                                   WM8993_DCS_TRIG_DAC_WR_1);
 274                 return;
 275         }
 276
 277         if (hubs->series_startup) {
 278                 /* Set for 32 series updates */
 279                 snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 280                                     WM8993_DCS_SERIES_NO_01_MASK,
 281                                     32 << WM8993_DCS_SERIES_NO_01_SHIFT);
 282                 wait_for_dc_servo(codec,
 283                                   WM8993_DCS_TRIG_SERIES_0 |
 284                                   WM8993_DCS_TRIG_SERIES_1);
 285         } else {
 286                 wait_for_dc_servo(codec,
 287                                   WM8993_DCS_TRIG_STARTUP_0 |
 288                                   WM8993_DCS_TRIG_STARTUP_1);
 289         }
 290
 291         if (wm_hubs_read_dc_servo(codec, &reg_l, &reg_r) < 0)
 292                 return;
 293
 294         dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
 295
 296         /* Apply correction to DC servo result */
 297         if (hubs->dcs_codes_l || hubs->dcs_codes_r) {
 298                 dev_dbg(codec->dev,
 299                         "Applying %d/%d code DC servo correction\n",
 300                         hubs->dcs_codes_l, hubs->dcs_codes_r);
 301
 302                 /* HPOUT1R */
 303                 offset = (s8)reg_r;
 304                 dev_dbg(codec->dev, "DCS right %d->%d\n", offset,
 305                         offset + hubs->dcs_codes_r);
 306                 offset += hubs->dcs_codes_r;
 307                 dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 308
 309                 /* HPOUT1L */
 310                 offset = (s8)reg_l;
 311                 dev_dbg(codec->dev, "DCS left %d->%d\n", offset,
 312                         offset + hubs->dcs_codes_l);
 313                 offset += hubs->dcs_codes_l;
 314                 dcs_cfg |= (u8)offset;
 315
 316                 dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
 317
 318                 /* Do it */
 319                 snd_soc_write(codec, dcs_reg, dcs_cfg);
 320                 wait_for_dc_servo(codec,
 321                                   WM8993_DCS_TRIG_DAC_WR_0 |
 322                                   WM8993_DCS_TRIG_DAC_WR_1);
 323         } else {
 324                 dcs_cfg = reg_r << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 325                 dcs_cfg |= reg_l;
 326         }
 327
 328         /* Save the callibrated offset if we're in class W mode and
 329          * therefore don't have any analogue signal mixed in. */
 330         if (wm_hubs_dac_hp_direct(codec))
 331                 wm_hubs_dcs_cache_set(codec, dcs_cfg);
 332 }
 333
 334 /*
 335  * Update the DC servo calibration on gain changes
 336  */
 337 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
 338                                struct snd_ctl_elem_value *ucontrol)
 339 {
 340         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 341         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 342         int ret;
 343
 344         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 345
 346         /* If we're applying an offset correction then updating the
 347          * callibration would be likely to introduce further offsets. */
 348         if (hubs->dcs_codes_l || hubs->dcs_codes_r || hubs->no_series_update)
 349                 return ret;
 350
 351         /* Only need to do this if the outputs are active */
 352         if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
 353             & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
 354                 snd_soc_update_bits(codec,
 355                                     WM8993_DC_SERVO_0,
 356                                     WM8993_DCS_TRIG_SINGLE_0 |
 357                                     WM8993_DCS_TRIG_SINGLE_1,
 358                                     WM8993_DCS_TRIG_SINGLE_0 |
 359                                     WM8993_DCS_TRIG_SINGLE_1);
 360
 361         return ret;
 362 }
 363
 364 static const struct snd_kcontrol_new analogue_snd_controls[] = {
 365 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 366                inpga_tlv),
 367 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 368 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
 369
 370 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 371                inpga_tlv),
 372 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 373 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
 374
 375
 376 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 377                inpga_tlv),
 378 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 379 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
 380
 381 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 382                inpga_tlv),
 383 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 384 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
 385
 386 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
 387                inmix_sw_tlv),
 388 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
 389                inmix_sw_tlv),
 390 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
 391                inmix_tlv),
 392 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
 393 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
 394                inmix_tlv),
 395
 396 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
 397                inmix_sw_tlv),
 398 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
 399                inmix_sw_tlv),
 400 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
 401                inmix_tlv),
 402 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
 403 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
 404                inmix_tlv),
 405
 406 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
 407                outmix_tlv),
 408 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
 409                outmix_tlv),
 410 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
 411                outmix_tlv),
 412 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
 413                outmix_tlv),
 414 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
 415                outmix_tlv),
 416 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
 417                WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
 418 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
 419                WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
 420 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
 421                outmix_tlv),
 422
 423 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
 424                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 425 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
 426                WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
 427 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
 428                WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
 429 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
 430                WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
 431 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
 432                WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
 433 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
 434                WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
 435 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
 436                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 437 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
 438                WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
 439
 440 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
 441                  WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
 442 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
 443              WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
 444 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
 445              WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
 446
 447 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
 448 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
 449
 450 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
 451                5, 1, 1, wm_hubs_spkmix_tlv),
 452 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
 453                4, 1, 1, wm_hubs_spkmix_tlv),
 454 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
 455                3, 1, 1, wm_hubs_spkmix_tlv),
 456
 457 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
 458                5, 1, 1, wm_hubs_spkmix_tlv),
 459 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
 460                4, 1, 1, wm_hubs_spkmix_tlv),
 461 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
 462                3, 1, 1, wm_hubs_spkmix_tlv),
 463
 464 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
 465                  WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
 466                  0, 3, 1, spkmixout_tlv),
 467 SOC_DOUBLE_R_TLV("Speaker Volume",
 468                  WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 469                  0, 63, 0, outpga_tlv),
 470 SOC_DOUBLE_R("Speaker Switch",
 471              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 472              6, 1, 0),
 473 SOC_DOUBLE_R("Speaker ZC Switch",
 474              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 475              7, 1, 0),
 476 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
 477                spkboost_tlv),
 478 SOC_ENUM("Speaker Reference", speaker_ref),
 479 SOC_ENUM("Speaker Mode", speaker_mode),
 480
 481 SOC_DOUBLE_R_EXT_TLV("Headphone Volume",
 482                      WM8993_LEFT_OUTPUT_VOLUME, WM8993_RIGHT_OUTPUT_VOLUME,
 483                      0, 63, 0, snd_soc_get_volsw, wm8993_put_dc_servo,
 484                      outpga_tlv),
 485
 486 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
 487              WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
 488 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
 489              WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
 490
 491 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
 492 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
 493 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
 494                line_tlv),
 495
 496 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
 497 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
 498 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
 499                line_tlv),
 500 };
 501
 502 static int hp_supply_event(struct snd_soc_dapm_widget *w,
 503                            struct snd_kcontrol *kcontrol, int event)
 504 {
 505         struct snd_soc_codec *codec = w->codec;
 506         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 507
 508         switch (event) {
 509         case SND_SOC_DAPM_PRE_PMU:
 510                 switch (hubs->hp_startup_mode) {
 511                 case 0:
 512                         break;
 513                 case 1:
 514                         /* Enable the headphone amp */
 515                         snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 516                                             WM8993_HPOUT1L_ENA |
 517                                             WM8993_HPOUT1R_ENA,
 518                                             WM8993_HPOUT1L_ENA |
 519                                             WM8993_HPOUT1R_ENA);
 520
 521                         /* Enable the second stage */
 522                         snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 523                                             WM8993_HPOUT1L_DLY |
 524                                             WM8993_HPOUT1R_DLY,
 525                                             WM8993_HPOUT1L_DLY |
 526                                             WM8993_HPOUT1R_DLY);
 527                         break;
 528                 default:
 529                         dev_err(codec->dev, "Unknown HP startup mode %d\n",
 530                                 hubs->hp_startup_mode);
 531                         break;
 532                 }
 533
 534         case SND_SOC_DAPM_PRE_PMD:
 535                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 536                                     WM8993_CP_ENA, 0);
 537                 break;
 538         }
 539
 540         return 0;
 541 }
 542
 543 static int hp_event(struct snd_soc_dapm_widget *w,
 544                     struct snd_kcontrol *kcontrol, int event)
 545 {
 546         struct snd_soc_codec *codec = w->codec;
 547         unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
 548
 549         switch (event) {
 550         case SND_SOC_DAPM_POST_PMU:
 551                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 552                                     WM8993_CP_ENA, WM8993_CP_ENA);
 553
 554                 msleep(5);
 555
 556                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 557                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 558                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
 559
 560                 reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
 561                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 562
 563                 snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 564                                     WM8993_DCS_TIMER_PERIOD_01_MASK, 0);
 565
 566                 enable_dc_servo(codec);
 567
 568                 reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
 569                         WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
 570                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 571                 break;
 572
 573         case SND_SOC_DAPM_PRE_PMD:
 574                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 575                                     WM8993_HPOUT1L_OUTP |
 576                                     WM8993_HPOUT1R_OUTP |
 577                                     WM8993_HPOUT1L_RMV_SHORT |
 578                                     WM8993_HPOUT1R_RMV_SHORT, 0);
 579
 580                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 581                                     WM8993_HPOUT1L_DLY |
 582                                     WM8993_HPOUT1R_DLY, 0);
 583
 584                 snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
 585
 586                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 587                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 588                                     0);
 589                 break;
 590         }
 591
 592         return 0;
 593 }
 594
 595 static int earpiece_event(struct snd_soc_dapm_widget *w,
 596                           struct snd_kcontrol *control, int event)
 597 {
 598         struct snd_soc_codec *codec = w->codec;
 599         u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
 600
 601         switch (event) {
 602         case SND_SOC_DAPM_PRE_PMU:
 603                 reg |= WM8993_HPOUT2_IN_ENA;
 604                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 605                 udelay(50);
 606                 break;
 607
 608         case SND_SOC_DAPM_POST_PMD:
 609                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 610                 break;
 611
 612         default:
 613                 BUG();
 614                 break;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static int lineout_event(struct snd_soc_dapm_widget *w,
 621                          struct snd_kcontrol *control, int event)
 622 {
 623         struct snd_soc_codec *codec = w->codec;
 624         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 625         bool *flag;
 626
 627         switch (w->shift) {
 628         case WM8993_LINEOUT1N_ENA_SHIFT:
 629                 flag = &hubs->lineout1n_ena;
 630                 break;
 631         case WM8993_LINEOUT1P_ENA_SHIFT:
 632                 flag = &hubs->lineout1p_ena;
 633                 break;
 634         case WM8993_LINEOUT2N_ENA_SHIFT:
 635                 flag = &hubs->lineout2n_ena;
 636                 break;
 637         case WM8993_LINEOUT2P_ENA_SHIFT:
 638                 flag = &hubs->lineout2p_ena;
 639                 break;
 640         default:
 641                 WARN(1, "Unknown line output");
 642                 return -EINVAL;
 643         }
 644
 645         *flag = SND_SOC_DAPM_EVENT_ON(event);
 646
 647         return 0;
 648 }
 649
 650 static int micbias_event(struct snd_soc_dapm_widget *w,
 651                          struct snd_kcontrol *kcontrol, int event)
 652 {
 653         struct snd_soc_codec *codec = w->codec;
 654         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 655
 656         switch (w->shift) {
 657         case WM8993_MICB1_ENA_SHIFT:
 658                 if (hubs->micb1_delay)
 659                         msleep(hubs->micb1_delay);
 660                 break;
 661         case WM8993_MICB2_ENA_SHIFT:
 662                 if (hubs->micb2_delay)
 663                         msleep(hubs->micb2_delay);
 664                 break;
 665         default:
 666                 return -EINVAL;
 667         }
 668
 669         return 0;
 670 }
 671
 672 void wm_hubs_update_class_w(struct snd_soc_codec *codec)
 673 {
 674         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 675         int enable = WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ;
 676
 677         if (!wm_hubs_dac_hp_direct(codec))
 678                 enable = false;
 679
 680         if (hubs->check_class_w_digital && !hubs->check_class_w_digital(codec))
 681                 enable = false;
 682
 683         dev_vdbg(codec->dev, "Class W %s\n", enable ? "enabled" : "disabled");
 684
 685         snd_soc_update_bits(codec, WM8993_CLASS_W_0,
 686                             WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ, enable);
 687
 688         snd_soc_write(codec, WM8993_LEFT_OUTPUT_VOLUME,
 689                       snd_soc_read(codec, WM8993_LEFT_OUTPUT_VOLUME));
 690         snd_soc_write(codec, WM8993_RIGHT_OUTPUT_VOLUME,
 691                       snd_soc_read(codec, WM8993_RIGHT_OUTPUT_VOLUME));
 692 }
 693 EXPORT_SYMBOL_GPL(wm_hubs_update_class_w);
 694
 695 #define WM_HUBS_SINGLE_W(xname, reg, shift, max, invert) \
 696 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 697         .info = snd_soc_info_volsw, \
 698         .get = snd_soc_dapm_get_volsw, .put = class_w_put_volsw, \
 699         .private_value =  SOC_SINGLE_VALUE(reg, shift, max, invert) }
 700
 701 static int class_w_put_volsw(struct snd_kcontrol *kcontrol,
 702                               struct snd_ctl_elem_value *ucontrol)
 703 {
 704         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 705         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 706         struct snd_soc_codec *codec = widget->codec;
 707         int ret;
 708
 709         ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
 710
 711         wm_hubs_update_class_w(codec);
 712
 713         return ret;
 714 }
 715
 716 #define WM_HUBS_ENUM_W(xname, xenum) \
 717 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 718         .info = snd_soc_info_enum_double, \
 719         .get = snd_soc_dapm_get_enum_double, \
 720         .put = class_w_put_double, \
 721         .private_value = (unsigned long)&xenum }
 722
 723 static int class_w_put_double(struct snd_kcontrol *kcontrol,
 724                               struct snd_ctl_elem_value *ucontrol)
 725 {
 726         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 727         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 728         struct snd_soc_codec *codec = widget->codec;
 729         int ret;
 730
 731         ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 732
 733         wm_hubs_update_class_w(codec);
 734
 735         return ret;
 736 }
 737
 738 static const char *hp_mux_text[] = {
 739         "Mixer",
 740         "DAC",
 741 };
 742
 743 static const struct soc_enum hpl_enum =
 744         SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER1, 8, 2, hp_mux_text);
 745
 746 const struct snd_kcontrol_new wm_hubs_hpl_mux =
 747         WM_HUBS_ENUM_W("Left Headphone Mux", hpl_enum);
 748 EXPORT_SYMBOL_GPL(wm_hubs_hpl_mux);
 749
 750 static const struct soc_enum hpr_enum =
 751         SOC_ENUM_SINGLE(WM8993_OUTPUT_MIXER2, 8, 2, hp_mux_text);
 752
 753 const struct snd_kcontrol_new wm_hubs_hpr_mux =
 754         WM_HUBS_ENUM_W("Right Headphone Mux", hpr_enum);
 755 EXPORT_SYMBOL_GPL(wm_hubs_hpr_mux);
 756
 757 static const struct snd_kcontrol_new in1l_pga[] = {
 758 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
 759 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
 760 };
 761
 762 static const struct snd_kcontrol_new in1r_pga[] = {
 763 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
 764 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
 765 };
 766
 767 static const struct snd_kcontrol_new in2l_pga[] = {
 768 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
 769 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
 770 };
 771
 772 static const struct snd_kcontrol_new in2r_pga[] = {
 773 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
 774 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
 775 };
 776
 777 static const struct snd_kcontrol_new mixinl[] = {
 778 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
 779 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
 780 };
 781
 782 static const struct snd_kcontrol_new mixinr[] = {
 783 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
 784 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
 785 };
 786
 787 static const struct snd_kcontrol_new left_output_mixer[] = {
 788 WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
 789 WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
 790 WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
 791 WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
 792 WM_HUBS_SINGLE_W("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
 793 WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
 794 WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
 795 WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
 796 };
 797
 798 static const struct snd_kcontrol_new right_output_mixer[] = {
 799 WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
 800 WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
 801 WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
 802 WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
 803 WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
 804 WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
 805 WM_HUBS_SINGLE_W("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
 806 WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
 807 };
 808
 809 static const struct snd_kcontrol_new earpiece_mixer[] = {
 810 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
 811 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
 812 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
 813 };
 814
 815 static const struct snd_kcontrol_new left_speaker_boost[] = {
 816 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
 817 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
 818 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
 819 };
 820
 821 static const struct snd_kcontrol_new right_speaker_boost[] = {
 822 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
 823 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
 824 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
 825 };
 826
 827 static const struct snd_kcontrol_new line1_mix[] = {
 828 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
 829 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
 830 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 831 };
 832
 833 static const struct snd_kcontrol_new line1n_mix[] = {
 834 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
 835 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
 836 };
 837
 838 static const struct snd_kcontrol_new line1p_mix[] = {
 839 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 840 };
 841
 842 static const struct snd_kcontrol_new line2_mix[] = {
 843 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER2, 2, 1, 0),
 844 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER2, 1, 1, 0),
 845 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 846 };
 847
 848 static const struct snd_kcontrol_new line2n_mix[] = {
 849 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
 850 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
 851 };
 852
 853 static const struct snd_kcontrol_new line2p_mix[] = {
 854 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 855 };
 856
 857 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
 858 SND_SOC_DAPM_INPUT("IN1LN"),
 859 SND_SOC_DAPM_INPUT("IN1LP"),
 860 SND_SOC_DAPM_INPUT("IN2LN"),
 861 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
 862 SND_SOC_DAPM_INPUT("IN1RN"),
 863 SND_SOC_DAPM_INPUT("IN1RP"),
 864 SND_SOC_DAPM_INPUT("IN2RN"),
 865 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
 866
 867 SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0,
 868                     micbias_event, SND_SOC_DAPM_POST_PMU),
 869 SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0,
 870                     micbias_event, SND_SOC_DAPM_POST_PMU),
 871
 872 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
 873                    in1l_pga, ARRAY_SIZE(in1l_pga)),
 874 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
 875                    in1r_pga, ARRAY_SIZE(in1r_pga)),
 876
 877 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
 878                    in2l_pga, ARRAY_SIZE(in2l_pga)),
 879 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
 880                    in2r_pga, ARRAY_SIZE(in2r_pga)),
 881
 882 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
 883                    mixinl, ARRAY_SIZE(mixinl)),
 884 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
 885                    mixinr, ARRAY_SIZE(mixinr)),
 886
 887 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
 888                    left_output_mixer, ARRAY_SIZE(left_output_mixer)),
 889 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
 890                    right_output_mixer, ARRAY_SIZE(right_output_mixer)),
 891
 892 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
 893 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
 894
 895 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
 896                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
 897 SND_SOC_DAPM_OUT_DRV_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
 898                        hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 899
 900 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
 901                    earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
 902 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
 903                    NULL, 0, earpiece_event,
 904                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 905
 906 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
 907                    left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
 908 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
 909                    right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
 910
 911 SND_SOC_DAPM_SUPPLY("TSHUT", WM8993_POWER_MANAGEMENT_2, 14, 0, NULL, 0),
 912 SND_SOC_DAPM_OUT_DRV("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
 913                      NULL, 0),
 914 SND_SOC_DAPM_OUT_DRV("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
 915                      NULL, 0),
 916
 917 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
 918                    line1_mix, ARRAY_SIZE(line1_mix)),
 919 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
 920                    line2_mix, ARRAY_SIZE(line2_mix)),
 921
 922 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
 923                    line1n_mix, ARRAY_SIZE(line1n_mix)),
 924 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
 925                    line1p_mix, ARRAY_SIZE(line1p_mix)),
 926 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
 927                    line2n_mix, ARRAY_SIZE(line2n_mix)),
 928 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
 929                    line2p_mix, ARRAY_SIZE(line2p_mix)),
 930
 931 SND_SOC_DAPM_OUT_DRV_E("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
 932                        NULL, 0, lineout_event,
 933                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 934 SND_SOC_DAPM_OUT_DRV_E("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
 935                        NULL, 0, lineout_event,
 936                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 937 SND_SOC_DAPM_OUT_DRV_E("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
 938                        NULL, 0, lineout_event,
 939                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 940 SND_SOC_DAPM_OUT_DRV_E("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
 941                        NULL, 0, lineout_event,
 942                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 943
 944 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
 945 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
 946 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
 947 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
 948 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
 949 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
 950 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
 951 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
 952 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
 953 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
 954 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
 955 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
 956 };
 957
 958 static const struct snd_soc_dapm_route analogue_routes[] = {
 959         { "MICBIAS1", NULL, "CLK_SYS" },
 960         { "MICBIAS2", NULL, "CLK_SYS" },
 961
 962         { "IN1L PGA", "IN1LP Switch", "IN1LP" },
 963         { "IN1L PGA", "IN1LN Switch", "IN1LN" },
 964
 965         { "IN1L PGA", NULL, "VMID" },
 966         { "IN1R PGA", NULL, "VMID" },
 967         { "IN2L PGA", NULL, "VMID" },
 968         { "IN2R PGA", NULL, "VMID" },
 969
 970         { "IN1R PGA", "IN1RP Switch", "IN1RP" },
 971         { "IN1R PGA", "IN1RN Switch", "IN1RN" },
 972
 973         { "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
 974         { "IN2L PGA", "IN2LN Switch", "IN2LN" },
 975
 976         { "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
 977         { "IN2R PGA", "IN2RN Switch", "IN2RN" },
 978
 979         { "Direct Voice", NULL, "IN2LP:VXRN" },
 980         { "Direct Voice", NULL, "IN2RP:VXRP" },
 981
 982         { "MIXINL", "IN1L Switch", "IN1L PGA" },
 983         { "MIXINL", "IN2L Switch", "IN2L PGA" },
 984         { "MIXINL", NULL, "Direct Voice" },
 985         { "MIXINL", NULL, "IN1LP" },
 986         { "MIXINL", NULL, "Left Output Mixer" },
 987         { "MIXINL", NULL, "VMID" },
 988
 989         { "MIXINR", "IN1R Switch", "IN1R PGA" },
 990         { "MIXINR", "IN2R Switch", "IN2R PGA" },
 991         { "MIXINR", NULL, "Direct Voice" },
 992         { "MIXINR", NULL, "IN1RP" },
 993         { "MIXINR", NULL, "Right Output Mixer" },
 994         { "MIXINR", NULL, "VMID" },
 995
 996         { "ADCL", NULL, "MIXINL" },
 997         { "ADCR", NULL, "MIXINR" },
 998
 999         { "Left Output Mixer", "Left Input Switch", "MIXINL" },
1000         { "Left Output Mixer", "Right Input Switch", "MIXINR" },
1001         { "Left Output Mixer", "IN2RN Switch", "IN2RN" },
1002         { "Left Output Mixer", "IN2LN Switch", "IN2LN" },
1003         { "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
1004         { "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
1005         { "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
1006
1007         { "Right Output Mixer", "Left Input Switch", "MIXINL" },
1008         { "Right Output Mixer", "Right Input Switch", "MIXINR" },
1009         { "Right Output Mixer", "IN2LN Switch", "IN2LN" },
1010         { "Right Output Mixer", "IN2RN Switch", "IN2RN" },
1011         { "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
1012         { "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
1013         { "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
1014
1015         { "Left Output PGA", NULL, "Left Output Mixer" },
1016         { "Left Output PGA", NULL, "TOCLK" },
1017
1018         { "Right Output PGA", NULL, "Right Output Mixer" },
1019         { "Right Output PGA", NULL, "TOCLK" },
1020
1021         { "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
1022         { "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
1023         { "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
1024
1025         { "Earpiece Driver", NULL, "VMID" },
1026         { "Earpiece Driver", NULL, "Earpiece Mixer" },
1027         { "HPOUT2N", NULL, "Earpiece Driver" },
1028         { "HPOUT2P", NULL, "Earpiece Driver" },
1029
1030         { "SPKL", "Input Switch", "MIXINL" },
1031         { "SPKL", "IN1LP Switch", "IN1LP" },
1032         { "SPKL", "Output Switch", "Left Output PGA" },
1033         { "SPKL", NULL, "TOCLK" },
1034
1035         { "SPKR", "Input Switch", "MIXINR" },
1036         { "SPKR", "IN1RP Switch", "IN1RP" },
1037         { "SPKR", "Output Switch", "Right Output PGA" },
1038         { "SPKR", NULL, "TOCLK" },
1039
1040         { "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
1041         { "SPKL Boost", "SPKL Switch", "SPKL" },
1042         { "SPKL Boost", "SPKR Switch", "SPKR" },
1043
1044         { "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
1045         { "SPKR Boost", "SPKR Switch", "SPKR" },
1046         { "SPKR Boost", "SPKL Switch", "SPKL" },
1047
1048         { "SPKL Driver", NULL, "VMID" },
1049         { "SPKL Driver", NULL, "SPKL Boost" },
1050         { "SPKL Driver", NULL, "CLK_SYS" },
1051         { "SPKL Driver", NULL, "TSHUT" },
1052
1053         { "SPKR Driver", NULL, "VMID" },
1054         { "SPKR Driver", NULL, "SPKR Boost" },
1055         { "SPKR Driver", NULL, "CLK_SYS" },
1056         { "SPKR Driver", NULL, "TSHUT" },
1057
1058         { "SPKOUTLP", NULL, "SPKL Driver" },
1059         { "SPKOUTLN", NULL, "SPKL Driver" },
1060         { "SPKOUTRP", NULL, "SPKR Driver" },
1061         { "SPKOUTRN", NULL, "SPKR Driver" },
1062
1063         { "Left Headphone Mux", "Mixer", "Left Output PGA" },
1064         { "Right Headphone Mux", "Mixer", "Right Output PGA" },
1065
1066         { "Headphone PGA", NULL, "Left Headphone Mux" },
1067         { "Headphone PGA", NULL, "Right Headphone Mux" },
1068         { "Headphone PGA", NULL, "VMID" },
1069         { "Headphone PGA", NULL, "CLK_SYS" },
1070         { "Headphone PGA", NULL, "Headphone Supply" },
1071
1072         { "HPOUT1L", NULL, "Headphone PGA" },
1073         { "HPOUT1R", NULL, "Headphone PGA" },
1074
1075         { "LINEOUT1N Driver", NULL, "VMID" },
1076         { "LINEOUT1P Driver", NULL, "VMID" },
1077         { "LINEOUT2N Driver", NULL, "VMID" },
1078         { "LINEOUT2P Driver", NULL, "VMID" },
1079
1080         { "LINEOUT1N", NULL, "LINEOUT1N Driver" },
1081         { "LINEOUT1P", NULL, "LINEOUT1P Driver" },
1082         { "LINEOUT2N", NULL, "LINEOUT2N Driver" },
1083         { "LINEOUT2P", NULL, "LINEOUT2P Driver" },
1084 };
1085
1086 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
1087         { "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
1088         { "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
1089         { "LINEOUT1 Mixer", "Output Switch", "Left Output PGA" },
1090
1091         { "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
1092         { "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
1093 };
1094
1095 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
1096         { "LINEOUT1N Mixer", "Left Output Switch", "Left Output PGA" },
1097         { "LINEOUT1N Mixer", "Right Output Switch", "Right Output PGA" },
1098
1099         { "LINEOUT1P Mixer", "Left Output Switch", "Left Output PGA" },
1100
1101         { "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
1102         { "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
1103 };
1104
1105 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
1106         { "LINEOUT2 Mixer", "IN1L Switch", "IN1L PGA" },
1107         { "LINEOUT2 Mixer", "IN1R Switch", "IN1R PGA" },
1108         { "LINEOUT2 Mixer", "Output Switch", "Right Output PGA" },
1109
1110         { "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
1111         { "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
1112 };
1113
1114 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
1115         { "LINEOUT2N Mixer", "Left Output Switch", "Left Output PGA" },
1116         { "LINEOUT2N Mixer", "Right Output Switch", "Right Output PGA" },
1117
1118         { "LINEOUT2P Mixer", "Right Output Switch", "Right Output PGA" },
1119
1120         { "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
1121         { "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
1122 };
1123
1124 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
1125 {
1126         struct snd_soc_dapm_context *dapm = &codec->dapm;
1127
1128         /* Latch volume update bits & default ZC on */
1129         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
1130                             WM8993_IN1_VU, WM8993_IN1_VU);
1131         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
1132                             WM8993_IN1_VU, WM8993_IN1_VU);
1133         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
1134                             WM8993_IN2_VU, WM8993_IN2_VU);
1135         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
1136                             WM8993_IN2_VU, WM8993_IN2_VU);
1137
1138         snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_LEFT,
1139                             WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
1140         snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
1141                             WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
1142
1143         snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
1144                             WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC,
1145                             WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC);
1146         snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
1147                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
1148                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
1149
1150         snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
1151                             WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU,
1152                             WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU);
1153         snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
1154                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
1155                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
1156
1157         snd_soc_add_codec_controls(codec, analogue_snd_controls,
1158                              ARRAY_SIZE(analogue_snd_controls));
1159
1160         snd_soc_dapm_new_controls(dapm, analogue_dapm_widgets,
1161                                   ARRAY_SIZE(analogue_dapm_widgets));
1162         return 0;
1163 }
1164 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
1165
1166 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
1167                                 int lineout1_diff, int lineout2_diff)
1168 {
1169         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1170         struct snd_soc_dapm_context *dapm = &codec->dapm;
1171
1172         hubs->codec = codec;
1173
1174         INIT_LIST_HEAD(&hubs->dcs_cache);
1175         init_completion(&hubs->dcs_done);
1176
1177         snd_soc_dapm_add_routes(dapm, analogue_routes,
1178                                 ARRAY_SIZE(analogue_routes));
1179
1180         if (lineout1_diff)
1181                 snd_soc_dapm_add_routes(dapm,
1182                                         lineout1_diff_routes,
1183                                         ARRAY_SIZE(lineout1_diff_routes));
1184         else
1185                 snd_soc_dapm_add_routes(dapm,
1186                                         lineout1_se_routes,
1187                                         ARRAY_SIZE(lineout1_se_routes));
1188
1189         if (lineout2_diff)
1190                 snd_soc_dapm_add_routes(dapm,
1191                                         lineout2_diff_routes,
1192                                         ARRAY_SIZE(lineout2_diff_routes));
1193         else
1194                 snd_soc_dapm_add_routes(dapm,
1195                                         lineout2_se_routes,
1196                                         ARRAY_SIZE(lineout2_se_routes));
1197
1198         return 0;
1199 }
1200 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
1201
1202 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
1203                                   int lineout1_diff, int lineout2_diff,
1204                                   int lineout1fb, int lineout2fb,
1205                                   int jd_scthr, int jd_thr,
1206                                   int micbias1_delay, int micbias2_delay,
1207                                   int micbias1_lvl, int micbias2_lvl)
1208 {
1209         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1210
1211         hubs->lineout1_se = !lineout1_diff;
1212         hubs->lineout2_se = !lineout2_diff;
1213         hubs->micb1_delay = micbias1_delay;
1214         hubs->micb2_delay = micbias2_delay;
1215
1216         if (!lineout1_diff)
1217                 snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
1218                                     WM8993_LINEOUT1_MODE,
1219                                     WM8993_LINEOUT1_MODE);
1220         if (!lineout2_diff)
1221                 snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
1222                                     WM8993_LINEOUT2_MODE,
1223                                     WM8993_LINEOUT2_MODE);
1224
1225         if (!lineout1_diff && !lineout2_diff)
1226                 snd_soc_update_bits(codec, WM8993_ANTIPOP1,
1227                                     WM8993_LINEOUT_VMID_BUF_ENA,
1228                                     WM8993_LINEOUT_VMID_BUF_ENA);
1229
1230         if (lineout1fb)
1231                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
1232                                     WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
1233
1234         if (lineout2fb)
1235                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
1236                                     WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
1237
1238         snd_soc_update_bits(codec, WM8993_MICBIAS,
1239                             WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
1240                             WM8993_MICB1_LVL | WM8993_MICB2_LVL,
1241                             jd_scthr << WM8993_JD_SCTHR_SHIFT |
1242                             jd_thr << WM8993_JD_THR_SHIFT |
1243                             micbias1_lvl |
1244                             micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
1245
1246         return 0;
1247 }
1248 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
1249
1250 void wm_hubs_vmid_ena(struct snd_soc_codec *codec)
1251 {
1252         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1253         int val = 0;
1254
1255         if (hubs->lineout1_se)
1256                 val |= WM8993_LINEOUT1N_ENA | WM8993_LINEOUT1P_ENA;
1257
1258         if (hubs->lineout2_se)
1259                 val |= WM8993_LINEOUT2N_ENA | WM8993_LINEOUT2P_ENA;
1260
1261         /* Enable the line outputs while we power up */
1262         snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_3, val, val);
1263 }
1264 EXPORT_SYMBOL_GPL(wm_hubs_vmid_ena);
1265
1266 void wm_hubs_set_bias_level(struct snd_soc_codec *codec,
1267                             enum snd_soc_bias_level level)
1268 {
1269         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1270         int mask, val;
1271
1272         switch (level) {
1273         case SND_SOC_BIAS_STANDBY:
1274                 /* Clamp the inputs to VMID while we ramp to charge caps */
1275                 snd_soc_update_bits(codec, WM8993_INPUTS_CLAMP_REG,
1276                                     WM8993_INPUTS_CLAMP, WM8993_INPUTS_CLAMP);
1277                 break;
1278
1279         case SND_SOC_BIAS_ON:
1280                 /* Turn off any unneded single ended outputs */
1281                 val = 0;
1282                 mask = 0;
1283
1284                 if (hubs->lineout1_se)
1285                         mask |= WM8993_LINEOUT1N_ENA | WM8993_LINEOUT1P_ENA;
1286
1287                 if (hubs->lineout2_se)
1288                         mask |= WM8993_LINEOUT2N_ENA | WM8993_LINEOUT2P_ENA;
1289
1290                 if (hubs->lineout1_se && hubs->lineout1n_ena)
1291                         val |= WM8993_LINEOUT1N_ENA;
1292
1293                 if (hubs->lineout1_se && hubs->lineout1p_ena)
1294                         val |= WM8993_LINEOUT1P_ENA;
1295
1296                 if (hubs->lineout2_se && hubs->lineout2n_ena)
1297                         val |= WM8993_LINEOUT2N_ENA;
1298
1299                 if (hubs->lineout2_se && hubs->lineout2p_ena)
1300                         val |= WM8993_LINEOUT2P_ENA;
1301
1302                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_3,
1303                                     mask, val);
1304
1305                 /* Remove the input clamps */
1306                 snd_soc_update_bits(codec, WM8993_INPUTS_CLAMP_REG,
1307                                     WM8993_INPUTS_CLAMP, 0);
1308                 break;
1309
1310         default:
1311                 break;
1312         }
1313 }
1314 EXPORT_SYMBOL_GPL(wm_hubs_set_bias_level);
1315
1316 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
1317 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
1318 MODULE_LICENSE("GPL");