sound/pci/ice1712/revo.c

   1 /*
   2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   3  *
   4  *   Lowlevel functions for M-Audio Audiophile 192, Revolution 7.1 and 5.1
   5  *
   6  *      Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  */
  23
  24 #include <linux/delay.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/init.h>
  27 #include <linux/slab.h>
  28 #include <sound/core.h>
  29
  30 #include "ice1712.h"
  31 #include "envy24ht.h"
  32 #include "revo.h"
  33
  34 /* a non-standard I2C device for revo51 */
  35 struct revo51_spec {
  36         struct snd_i2c_device *dev;
  37         struct snd_pt2258 *pt2258;
  38         struct ak4114 *ak4114;
  39 };
  40
  41 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
  42 {
  43         /* assert PRST# to converters; MT05 bit 7 */
  44         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
  45         mdelay(5);
  46         /* deassert PRST# */
  47         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
  48 }
  49
  50 /*
  51  * change the rate of Envy24HT, AK4355 and AK4381
  52  */
  53 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
  54 {
  55         unsigned char old, tmp, dfs;
  56         int reg, shift;
  57
  58         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
  59                 return;
  60
  61         /* adjust DFS on codecs */
  62         if (rate > 96000)
  63                 dfs = 2;
  64         else if (rate > 48000)
  65                 dfs = 1;
  66         else
  67                 dfs = 0;
  68
  69         if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
  70                 reg = 2;
  71                 shift = 4;
  72         } else {
  73                 reg = 1;
  74                 shift = 3;
  75         }
  76         tmp = snd_akm4xxx_get(ak, 0, reg);
  77         old = (tmp >> shift) & 0x03;
  78         if (old == dfs)
  79                 return;
  80
  81         /* reset DFS */
  82         snd_akm4xxx_reset(ak, 1);
  83         tmp = snd_akm4xxx_get(ak, 0, reg);
  84         tmp &= ~(0x03 << shift);
  85         tmp |= dfs << shift;
  86         /* snd_akm4xxx_write(ak, 0, reg, tmp); */
  87         snd_akm4xxx_set(ak, 0, reg, tmp); /* value is written in reset(0) */
  88         snd_akm4xxx_reset(ak, 0);
  89 }
  90
  91 /*
  92  * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
  93  */
  94
  95 static void revo_i2c_start(struct snd_i2c_bus *bus)
  96 {
  97         struct snd_ice1712 *ice = bus->private_data;
  98         snd_ice1712_save_gpio_status(ice);
  99 }
 100
 101 static void revo_i2c_stop(struct snd_i2c_bus *bus)
 102 {
 103         struct snd_ice1712 *ice = bus->private_data;
 104         snd_ice1712_restore_gpio_status(ice);
 105 }
 106
 107 static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
 108 {
 109         struct snd_ice1712 *ice = bus->private_data;
 110         unsigned int mask, val;
 111
 112         val = 0;
 113         if (clock)
 114                 val |= VT1724_REVO_I2C_CLOCK;   /* write SCL */
 115         if (data)
 116                 val |= VT1724_REVO_I2C_DATA;    /* write SDA */
 117         mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
 118         ice->gpio.direction &= ~mask;
 119         ice->gpio.direction |= val;
 120         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 121         snd_ice1712_gpio_set_mask(ice, ~mask);
 122 }
 123
 124 static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
 125 {
 126         struct snd_ice1712 *ice = bus->private_data;
 127         unsigned int val = 0;
 128
 129         if (clk)
 130                 val |= VT1724_REVO_I2C_CLOCK;
 131         if (data)
 132                 val |= VT1724_REVO_I2C_DATA;
 133         snd_ice1712_gpio_write_bits(ice,
 134                                     VT1724_REVO_I2C_DATA |
 135                                     VT1724_REVO_I2C_CLOCK, val);
 136         udelay(5);
 137 }
 138
 139 static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
 140 {
 141         struct snd_ice1712 *ice = bus->private_data;
 142         int bit;
 143
 144         if (ack)
 145                 udelay(5);
 146         bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
 147         return bit;
 148 }
 149
 150 static struct snd_i2c_bit_ops revo51_bit_ops = {
 151         .start = revo_i2c_start,
 152         .stop = revo_i2c_stop,
 153         .direction = revo_i2c_direction,
 154         .setlines = revo_i2c_setlines,
 155         .getdata = revo_i2c_getdata,
 156 };
 157
 158 static int revo51_i2c_init(struct snd_ice1712 *ice,
 159                            struct snd_pt2258 *pt)
 160 {
 161         struct revo51_spec *spec;
 162         int err;
 163
 164         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 165         if (!spec)
 166                 return -ENOMEM;
 167         ice->spec = spec;
 168
 169         /* create the I2C bus */
 170         err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
 171         if (err < 0)
 172                 return err;
 173
 174         ice->i2c->private_data = ice;
 175         ice->i2c->hw_ops.bit = &revo51_bit_ops;
 176
 177         /* create the I2C device */
 178         err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
 179         if (err < 0)
 180                 return err;
 181
 182         pt->card = ice->card;
 183         pt->i2c_bus = ice->i2c;
 184         pt->i2c_dev = spec->dev;
 185         spec->pt2258 = pt;
 186
 187         snd_pt2258_reset(pt);
 188
 189         return 0;
 190 }
 191
 192 /*
 193  * initialize the chips on M-Audio Revolution cards
 194  */
 195
 196 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
 197
 198 static const struct snd_akm4xxx_dac_channel revo71_front[] = {
 199         {
 200                 .name = "PCM Playback Volume",
 201                 .num_channels = 2,
 202                 /* front channels DAC supports muting */
 203                 .switch_name = "PCM Playback Switch",
 204         },
 205 };
 206
 207 static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
 208         AK_DAC("PCM Center Playback Volume", 1),
 209         AK_DAC("PCM LFE Playback Volume", 1),
 210         AK_DAC("PCM Side Playback Volume", 2),
 211         AK_DAC("PCM Rear Playback Volume", 2),
 212 };
 213
 214 static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
 215         AK_DAC("PCM Playback Volume", 2),
 216         AK_DAC("PCM Center Playback Volume", 1),
 217         AK_DAC("PCM LFE Playback Volume", 1),
 218         AK_DAC("PCM Rear Playback Volume", 2),
 219         AK_DAC("PCM Headphone Volume", 2),
 220 };
 221
 222 static const char *revo51_adc_input_names[] = {
 223         "Mic",
 224         "Line",
 225         "CD",
 226         NULL
 227 };
 228
 229 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
 230         {
 231                 .name = "PCM Capture Volume",
 232                 .switch_name = "PCM Capture Switch",
 233                 .num_channels = 2,
 234                 .input_names = revo51_adc_input_names
 235         },
 236 };
 237
 238 static struct snd_akm4xxx akm_revo_front = {
 239         .type = SND_AK4381,
 240         .num_dacs = 2,
 241         .ops = {
 242                 .set_rate_val = revo_set_rate_val
 243         },
 244         .dac_info = revo71_front,
 245 };
 246
 247 static struct snd_ak4xxx_private akm_revo_front_priv = {
 248         .caddr = 1,
 249         .cif = 0,
 250         .data_mask = VT1724_REVO_CDOUT,
 251         .clk_mask = VT1724_REVO_CCLK,
 252         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 253         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 254         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 255         .add_flags = VT1724_REVO_CCLK, /* high at init */
 256         .mask_flags = 0,
 257 };
 258
 259 static struct snd_akm4xxx akm_revo_surround = {
 260         .type = SND_AK4355,
 261         .idx_offset = 1,
 262         .num_dacs = 6,
 263         .ops = {
 264                 .set_rate_val = revo_set_rate_val
 265         },
 266         .dac_info = revo71_surround,
 267 };
 268
 269 static struct snd_ak4xxx_private akm_revo_surround_priv = {
 270         .caddr = 3,
 271         .cif = 0,
 272         .data_mask = VT1724_REVO_CDOUT,
 273         .clk_mask = VT1724_REVO_CCLK,
 274         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 275         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 276         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 277         .add_flags = VT1724_REVO_CCLK, /* high at init */
 278         .mask_flags = 0,
 279 };
 280
 281 static struct snd_akm4xxx akm_revo51 = {
 282         .type = SND_AK4358,
 283         .num_dacs = 8,
 284         .ops = {
 285                 .set_rate_val = revo_set_rate_val
 286         },
 287         .dac_info = revo51_dac,
 288 };
 289
 290 static struct snd_ak4xxx_private akm_revo51_priv = {
 291         .caddr = 2,
 292         .cif = 0,
 293         .data_mask = VT1724_REVO_CDOUT,
 294         .clk_mask = VT1724_REVO_CCLK,
 295         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 296         .cs_addr = VT1724_REVO_CS1,
 297         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 298         .add_flags = VT1724_REVO_CCLK, /* high at init */
 299         .mask_flags = 0,
 300 };
 301
 302 static struct snd_akm4xxx akm_revo51_adc = {
 303         .type = SND_AK5365,
 304         .num_adcs = 2,
 305         .adc_info = revo51_adc,
 306 };
 307
 308 static struct snd_ak4xxx_private akm_revo51_adc_priv = {
 309         .caddr = 2,
 310         .cif = 0,
 311         .data_mask = VT1724_REVO_CDOUT,
 312         .clk_mask = VT1724_REVO_CCLK,
 313         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 314         .cs_addr = VT1724_REVO_CS0,
 315         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
 316         .add_flags = VT1724_REVO_CCLK, /* high at init */
 317         .mask_flags = 0,
 318 };
 319
 320 static struct snd_pt2258 ptc_revo51_volume;
 321
 322 /* AK4358 for AP192 DAC, AK5385A for ADC */
 323 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 324 {
 325         struct snd_ice1712 *ice = ak->private_data[0];
 326         int dfs;
 327
 328         revo_set_rate_val(ak, rate);
 329
 330         /* reset CKS */
 331         snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
 332         /* reset DFS pins of AK5385A for ADC, too */
 333         if (rate > 96000)
 334                 dfs = 2;
 335         else if (rate > 48000)
 336                 dfs = 1;
 337         else
 338                 dfs = 0;
 339         snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
 340         /* reset ADC */
 341         snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
 342         snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
 343 }
 344
 345 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
 346         AK_DAC("PCM Playback Volume", 2)
 347 };
 348
 349 static struct snd_akm4xxx akm_ap192 = {
 350         .type = SND_AK4358,
 351         .num_dacs = 2,
 352         .ops = {
 353                 .set_rate_val = ap192_set_rate_val
 354         },
 355         .dac_info = ap192_dac,
 356 };
 357
 358 static struct snd_ak4xxx_private akm_ap192_priv = {
 359         .caddr = 2,
 360         .cif = 0,
 361         .data_mask = VT1724_REVO_CDOUT,
 362         .clk_mask = VT1724_REVO_CCLK,
 363         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 364         .cs_addr = VT1724_REVO_CS3,
 365         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
 366         .add_flags = VT1724_REVO_CCLK, /* high at init */
 367         .mask_flags = 0,
 368 };
 369
 370 /* AK4114 support on Audiophile 192 */
 371 /* CDTO (pin 32) -- GPIO2 pin 52
 372  * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
 373  * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
 374  * CSN  (pin 35) -- GPIO7 pin 59
 375  */
 376 #define AK4114_ADDR     0x00
 377
 378 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
 379                        unsigned int data, int idx)
 380 {
 381         for (; idx >= 0; idx--) {
 382                 /* drop clock */
 383                 gpio &= ~VT1724_REVO_CCLK;
 384                 snd_ice1712_gpio_write(ice, gpio);
 385                 udelay(1);
 386                 /* set data */
 387                 if (data & (1 << idx))
 388                         gpio |= VT1724_REVO_CDOUT;
 389                 else
 390                         gpio &= ~VT1724_REVO_CDOUT;
 391                 snd_ice1712_gpio_write(ice, gpio);
 392                 udelay(1);
 393                 /* raise clock */
 394                 gpio |= VT1724_REVO_CCLK;
 395                 snd_ice1712_gpio_write(ice, gpio);
 396                 udelay(1);
 397         }
 398 }
 399
 400 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
 401                                int idx)
 402 {
 403         unsigned char data = 0;
 404
 405         for (; idx >= 0; idx--) {
 406                 /* drop clock */
 407                 gpio &= ~VT1724_REVO_CCLK;
 408                 snd_ice1712_gpio_write(ice, gpio);
 409                 udelay(1);
 410                 /* read data */
 411                 if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
 412                         data |= (1 << idx);
 413                 udelay(1);
 414                 /* raise clock */
 415                 gpio |= VT1724_REVO_CCLK;
 416                 snd_ice1712_gpio_write(ice, gpio);
 417                 udelay(1);
 418         }
 419         return data;
 420 }
 421
 422 static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
 423 {
 424         unsigned int tmp;
 425
 426         snd_ice1712_save_gpio_status(ice);
 427         tmp = snd_ice1712_gpio_read(ice);
 428         tmp |= VT1724_REVO_CCLK; /* high at init */
 429         tmp |= VT1724_REVO_CS0;
 430         tmp &= ~VT1724_REVO_CS3;
 431         snd_ice1712_gpio_write(ice, tmp);
 432         udelay(1);
 433         return tmp;
 434 }
 435
 436 static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
 437 {
 438         tmp |= VT1724_REVO_CS3;
 439         tmp |= VT1724_REVO_CS0;
 440         snd_ice1712_gpio_write(ice, tmp);
 441         udelay(1);
 442         snd_ice1712_restore_gpio_status(ice);
 443 }
 444
 445 static void ap192_ak4114_write(void *private_data, unsigned char addr,
 446                                unsigned char data)
 447 {
 448         struct snd_ice1712 *ice = private_data;
 449         unsigned int tmp, addrdata;
 450
 451         tmp = ap192_4wire_start(ice);
 452         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
 453         addrdata = (addrdata << 8) | data;
 454         write_data(ice, tmp, addrdata, 15);
 455         ap192_4wire_finish(ice, tmp);
 456 }
 457
 458 static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
 459 {
 460         struct snd_ice1712 *ice = private_data;
 461         unsigned int tmp;
 462         unsigned char data;
 463
 464         tmp = ap192_4wire_start(ice);
 465         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
 466         data = read_data(ice, tmp, 7);
 467         ap192_4wire_finish(ice, tmp);
 468         return data;
 469 }
 470
 471 static int ap192_ak4114_init(struct snd_ice1712 *ice)
 472 {
 473         static const unsigned char ak4114_init_vals[] = {
 474                 AK4114_RST | AK4114_PWN | AK4114_OCKS0,
 475                 AK4114_DIF_I24I2S,
 476                 AK4114_TX1E,
 477                 AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(0),
 478                 0,
 479                 0
 480         };
 481         static const unsigned char ak4114_init_txcsb[] = {
 482                 0x41, 0x02, 0x2c, 0x00, 0x00
 483         };
 484         int err;
 485
 486         struct revo51_spec *spec;
 487         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 488         if (!spec)
 489                 return -ENOMEM;
 490         ice->spec = spec;
 491
 492         err = snd_ak4114_create(ice->card,
 493                                  ap192_ak4114_read,
 494                                  ap192_ak4114_write,
 495                                  ak4114_init_vals, ak4114_init_txcsb,
 496                                  ice, &spec->ak4114);
 497         if (err < 0)
 498                 return err;
 499         /* AK4114 in Revo cannot detect external rate correctly.
 500          * No reason to stop capture stream due to incorrect checks */
 501         spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
 502
 503         return 0;
 504 }
 505
 506 static int revo_init(struct snd_ice1712 *ice)
 507 {
 508         struct snd_akm4xxx *ak;
 509         int err;
 510
 511         /* determine I2C, DACs and ADCs */
 512         switch (ice->eeprom.subvendor) {
 513         case VT1724_SUBDEVICE_REVOLUTION71:
 514                 ice->num_total_dacs = 8;
 515                 ice->num_total_adcs = 2;
 516                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
 517                 break;
 518         case VT1724_SUBDEVICE_REVOLUTION51:
 519                 ice->num_total_dacs = 8;
 520                 ice->num_total_adcs = 2;
 521                 break;
 522         case VT1724_SUBDEVICE_AUDIOPHILE192:
 523                 ice->num_total_dacs = 2;
 524                 ice->num_total_adcs = 2;
 525                 break;
 526         default:
 527                 snd_BUG();
 528                 return -EINVAL;
 529         }
 530
 531         /* second stage of initialization, analog parts and others */
 532         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
 533         if (! ak)
 534                 return -ENOMEM;
 535         switch (ice->eeprom.subvendor) {
 536         case VT1724_SUBDEVICE_REVOLUTION71:
 537                 ice->akm_codecs = 2;
 538                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front,
 539                                                 &akm_revo_front_priv, ice);
 540                 if (err < 0)
 541                         return err;
 542                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround,
 543                                                 &akm_revo_surround_priv, ice);
 544                 if (err < 0)
 545                         return err;
 546                 /* unmute all codecs */
 547                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 548                                                 VT1724_REVO_MUTE);
 549                 break;
 550         case VT1724_SUBDEVICE_REVOLUTION51:
 551                 ice->akm_codecs = 2;
 552                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
 553                                                &akm_revo51_priv, ice);
 554                 if (err < 0)
 555                         return err;
 556                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
 557                                                &akm_revo51_adc_priv, ice);
 558                 if (err < 0)
 559                         return err;
 560                 err = revo51_i2c_init(ice, &ptc_revo51_volume);
 561                 if (err < 0)
 562                         return err;
 563                 /* unmute all codecs */
 564                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 565                                             VT1724_REVO_MUTE);
 566                 break;
 567         case VT1724_SUBDEVICE_AUDIOPHILE192:
 568                 ice->akm_codecs = 1;
 569                 err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
 570                                                ice);
 571                 if (err < 0)
 572                         return err;
 573                 err = ap192_ak4114_init(ice);
 574                 if (err < 0)
 575                         return err;
 576
 577                 /* unmute all codecs */
 578                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
 579                                             VT1724_REVO_MUTE);
 580                 break;
 581         }
 582
 583         return 0;
 584 }
 585
 586
 587 static int revo_add_controls(struct snd_ice1712 *ice)
 588 {
 589         struct revo51_spec *spec = ice->spec;
 590         int err;
 591
 592         switch (ice->eeprom.subvendor) {
 593         case VT1724_SUBDEVICE_REVOLUTION71:
 594                 err = snd_ice1712_akm4xxx_build_controls(ice);
 595                 if (err < 0)
 596                         return err;
 597                 break;
 598         case VT1724_SUBDEVICE_REVOLUTION51:
 599                 err = snd_ice1712_akm4xxx_build_controls(ice);
 600                 if (err < 0)
 601                         return err;
 602                 spec = ice->spec;
 603                 err = snd_pt2258_build_controls(spec->pt2258);
 604                 if (err < 0)
 605                         return err;
 606                 break;
 607         case VT1724_SUBDEVICE_AUDIOPHILE192:
 608                 err = snd_ice1712_akm4xxx_build_controls(ice);
 609                 if (err < 0)
 610                         return err;
 611                 /* only capture SPDIF over AK4114 */
 612                 err = snd_ak4114_build(spec->ak4114, NULL,
 613                    ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 614                 if (err < 0)
 615                         return err;
 616                 break;
 617         }
 618         return 0;
 619 }
 620
 621 /* entry point */
 622 struct snd_ice1712_card_info snd_vt1724_revo_cards[] = {
 623         {
 624                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
 625                 .name = "M Audio Revolution-7.1",
 626                 .model = "revo71",
 627                 .chip_init = revo_init,
 628                 .build_controls = revo_add_controls,
 629         },
 630         {
 631                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
 632                 .name = "M Audio Revolution-5.1",
 633                 .model = "revo51",
 634                 .chip_init = revo_init,
 635                 .build_controls = revo_add_controls,
 636         },
 637         {
 638                 .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
 639                 .name = "M Audio Audiophile192",
 640                 .model = "ap192",
 641                 .chip_init = revo_init,
 642                 .build_controls = revo_add_controls,
 643         },
 644         { } /* terminator */
 645 };