sound/usb/mixer_quirks.c

   1 /*
   2  *   USB Audio Driver for ALSA
   3  *
   4  *   Quirks and vendor-specific extensions for mixer interfaces
   5  *
   6  *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   Many codes borrowed from audio.c by
   9  *          Alan Cox (alan@lxorguk.ukuu.org.uk)
  10  *          Thomas Sailer (sailer@ife.ee.ethz.ch)
  11  *
  12  *
  13  *   This program is free software; you can redistribute it and/or modify
  14  *   it under the terms of the GNU General Public License as published by
  15  *   the Free Software Foundation; either version 2 of the License, or
  16  *   (at your option) any later version.
  17  *
  18  *   This program is distributed in the hope that it will be useful,
  19  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *   GNU General Public License for more details.
  22  *
  23  *   You should have received a copy of the GNU General Public License
  24  *   along with this program; if not, write to the Free Software
  25  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/slab.h>
  30 #include <linux/usb.h>
  31 #include <linux/usb/audio.h>
  32
  33 #include <sound/core.h>
  34 #include <sound/control.h>
  35 #include <sound/hwdep.h>
  36 #include <sound/info.h>
  37
  38 #include "usbaudio.h"
  39 #include "mixer.h"
  40 #include "mixer_quirks.h"
  41 #include "helper.h"
  42
  43 extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
  44
  45 struct std_mono_table {
  46         unsigned int unitid, control, cmask;
  47         int val_type;
  48         const char *name;
  49         snd_kcontrol_tlv_rw_t *tlv_callback;
  50 };
  51
  52 /* private_free callback */
  53 static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
  54 {
  55         kfree(kctl->private_data);
  56         kctl->private_data = NULL;
  57 }
  58
  59 /* This function allows for the creation of standard UAC controls.
  60  * See the quirks for M-Audio FTUs or Ebox-44.
  61  * If you don't want to set a TLV callback pass NULL.
  62  *
  63  * Since there doesn't seem to be a devices that needs a multichannel
  64  * version, we keep it mono for simplicity.
  65  */
  66 static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
  67                                 unsigned int unitid,
  68                                 unsigned int control,
  69                                 unsigned int cmask,
  70                                 int val_type,
  71                                 unsigned int idx_off,
  72                                 const char *name,
  73                                 snd_kcontrol_tlv_rw_t *tlv_callback)
  74 {
  75         int err;
  76         struct usb_mixer_elem_info *cval;
  77         struct snd_kcontrol *kctl;
  78
  79         cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  80         if (!cval)
  81                 return -ENOMEM;
  82
  83         cval->id = unitid;
  84         cval->mixer = mixer;
  85         cval->val_type = val_type;
  86         cval->channels = 1;
  87         cval->control = control;
  88         cval->cmask = cmask;
  89         cval->idx_off = idx_off;
  90
  91         /* get_min_max() is called only for integer volumes later,
  92          * so provide a short-cut for booleans */
  93         cval->min = 0;
  94         cval->max = 1;
  95         cval->res = 0;
  96         cval->dBmin = 0;
  97         cval->dBmax = 0;
  98
  99         /* Create control */
 100         kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
 101         if (!kctl) {
 102                 kfree(cval);
 103                 return -ENOMEM;
 104         }
 105
 106         /* Set name */
 107         snprintf(kctl->id.name, sizeof(kctl->id.name), name);
 108         kctl->private_free = usb_mixer_elem_free;
 109
 110         /* set TLV */
 111         if (tlv_callback) {
 112                 kctl->tlv.c = tlv_callback;
 113                 kctl->vd[0].access |=
 114                         SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 115                         SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 116         }
 117         /* Add control to mixer */
 118         err = snd_usb_mixer_add_control(mixer, kctl);
 119         if (err < 0)
 120                 return err;
 121
 122         return 0;
 123 }
 124
 125 static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
 126                                 unsigned int unitid,
 127                                 unsigned int control,
 128                                 unsigned int cmask,
 129                                 int val_type,
 130                                 const char *name,
 131                                 snd_kcontrol_tlv_rw_t *tlv_callback)
 132 {
 133         return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
 134                 val_type, 0 /* Offset */, name, tlv_callback);
 135 }
 136
 137 /*
 138  * Create a set of standard UAC controls from a table
 139  */
 140 static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 141                                 struct std_mono_table *t)
 142 {
 143         int err;
 144
 145         while (t->name != NULL) {
 146                 err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 147                                 t->cmask, t->val_type, t->name, t->tlv_callback);
 148                 if (err < 0)
 149                         return err;
 150                 t++;
 151         }
 152
 153         return 0;
 154 }
 155
 156 /*
 157  * Sound Blaster remote control configuration
 158  *
 159  * format of remote control data:
 160  * Extigy:       xx 00
 161  * Audigy 2 NX:  06 80 xx 00 00 00
 162  * Live! 24-bit: 06 80 xx yy 22 83
 163  */
 164 static const struct rc_config {
 165         u32 usb_id;
 166         u8  offset;
 167         u8  length;
 168         u8  packet_length;
 169         u8  min_packet_length; /* minimum accepted length of the URB result */
 170         u8  mute_mixer_id;
 171         u32 mute_code;
 172 } rc_configs[] = {
 173         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 174         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 175         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 176         { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 177         { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 178         { USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 179         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 180 };
 181
 182 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 183 {
 184         struct usb_mixer_interface *mixer = urb->context;
 185         const struct rc_config *rc = mixer->rc_cfg;
 186         u32 code;
 187
 188         if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 189                 return;
 190
 191         code = mixer->rc_buffer[rc->offset];
 192         if (rc->length == 2)
 193                 code |= mixer->rc_buffer[rc->offset + 1] << 8;
 194
 195         /* the Mute button actually changes the mixer control */
 196         if (code == rc->mute_code)
 197                 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 198         mixer->rc_code = code;
 199         wmb();
 200         wake_up(&mixer->rc_waitq);
 201 }
 202
 203 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 204                                      long count, loff_t *offset)
 205 {
 206         struct usb_mixer_interface *mixer = hw->private_data;
 207         int err;
 208         u32 rc_code;
 209
 210         if (count != 1 && count != 4)
 211                 return -EINVAL;
 212         err = wait_event_interruptible(mixer->rc_waitq,
 213                                        (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 214         if (err == 0) {
 215                 if (count == 1)
 216                         err = put_user(rc_code, buf);
 217                 else
 218                         err = put_user(rc_code, (u32 __user *)buf);
 219         }
 220         return err < 0 ? err : count;
 221 }
 222
 223 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 224                                             poll_table *wait)
 225 {
 226         struct usb_mixer_interface *mixer = hw->private_data;
 227
 228         poll_wait(file, &mixer->rc_waitq, wait);
 229         return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 230 }
 231
 232 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 233 {
 234         struct snd_hwdep *hwdep;
 235         int err, len, i;
 236
 237         for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 238                 if (rc_configs[i].usb_id == mixer->chip->usb_id)
 239                         break;
 240         if (i >= ARRAY_SIZE(rc_configs))
 241                 return 0;
 242         mixer->rc_cfg = &rc_configs[i];
 243
 244         len = mixer->rc_cfg->packet_length;
 245
 246         init_waitqueue_head(&mixer->rc_waitq);
 247         err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 248         if (err < 0)
 249                 return err;
 250         snprintf(hwdep->name, sizeof(hwdep->name),
 251                  "%s remote control", mixer->chip->card->shortname);
 252         hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 253         hwdep->private_data = mixer;
 254         hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 255         hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 256         hwdep->exclusive = 1;
 257
 258         mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 259         if (!mixer->rc_urb)
 260                 return -ENOMEM;
 261         mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 262         if (!mixer->rc_setup_packet) {
 263                 usb_free_urb(mixer->rc_urb);
 264                 mixer->rc_urb = NULL;
 265                 return -ENOMEM;
 266         }
 267         mixer->rc_setup_packet->bRequestType =
 268                 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 269         mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 270         mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 271         mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 272         mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 273         usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 274                              usb_rcvctrlpipe(mixer->chip->dev, 0),
 275                              (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 276                              snd_usb_soundblaster_remote_complete, mixer);
 277         return 0;
 278 }
 279
 280 #define snd_audigy2nx_led_info          snd_ctl_boolean_mono_info
 281
 282 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 283 {
 284         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 285         int index = kcontrol->private_value;
 286
 287         ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
 288         return 0;
 289 }
 290
 291 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 292 {
 293         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 294         int index = kcontrol->private_value;
 295         int value = ucontrol->value.integer.value[0];
 296         int err, changed;
 297
 298         if (value > 1)
 299                 return -EINVAL;
 300         changed = value != mixer->audigy2nx_leds[index];
 301         down_read(&mixer->chip->shutdown_rwsem);
 302         if (mixer->chip->shutdown) {
 303                 err = -ENODEV;
 304                 goto out;
 305         }
 306         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
 307                 err = snd_usb_ctl_msg(mixer->chip->dev,
 308                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 309                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 310                               !value, 0, NULL, 0);
 311         /* USB X-Fi S51 Pro */
 312         if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
 313                 err = snd_usb_ctl_msg(mixer->chip->dev,
 314                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 315                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 316                               !value, 0, NULL, 0);
 317         else
 318                 err = snd_usb_ctl_msg(mixer->chip->dev,
 319                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 320                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 321                               value, index + 2, NULL, 0);
 322  out:
 323         up_read(&mixer->chip->shutdown_rwsem);
 324         if (err < 0)
 325                 return err;
 326         mixer->audigy2nx_leds[index] = value;
 327         return changed;
 328 }
 329
 330 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 331         {
 332                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 333                 .name = "CMSS LED Switch",
 334                 .info = snd_audigy2nx_led_info,
 335                 .get = snd_audigy2nx_led_get,
 336                 .put = snd_audigy2nx_led_put,
 337                 .private_value = 0,
 338         },
 339         {
 340                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 341                 .name = "Power LED Switch",
 342                 .info = snd_audigy2nx_led_info,
 343                 .get = snd_audigy2nx_led_get,
 344                 .put = snd_audigy2nx_led_put,
 345                 .private_value = 1,
 346         },
 347         {
 348                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 349                 .name = "Dolby Digital LED Switch",
 350                 .info = snd_audigy2nx_led_info,
 351                 .get = snd_audigy2nx_led_get,
 352                 .put = snd_audigy2nx_led_put,
 353                 .private_value = 2,
 354         },
 355 };
 356
 357 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 358 {
 359         int i, err;
 360
 361         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 362                 /* USB X-Fi S51 doesn't have a CMSS LED */
 363                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 364                         continue;
 365                 /* USB X-Fi S51 Pro doesn't have one either */
 366                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 367                         continue;
 368                 if (i > 1 && /* Live24ext has 2 LEDs only */
 369                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 370                          mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 371                          mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 372                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 373                         break;
 374                 err = snd_ctl_add(mixer->chip->card,
 375                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 376                 if (err < 0)
 377                         return err;
 378         }
 379         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 380         return 0;
 381 }
 382
 383 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 384                                     struct snd_info_buffer *buffer)
 385 {
 386         static const struct sb_jack {
 387                 int unitid;
 388                 const char *name;
 389         }  jacks_audigy2nx[] = {
 390                 {4,  "dig in "},
 391                 {7,  "line in"},
 392                 {19, "spk out"},
 393                 {20, "hph out"},
 394                 {-1, NULL}
 395         }, jacks_live24ext[] = {
 396                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 397                 {3,  "hph out"}, /* headphones */
 398                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 399                 {-1, NULL}
 400         };
 401         const struct sb_jack *jacks;
 402         struct usb_mixer_interface *mixer = entry->private_data;
 403         int i, err;
 404         u8 buf[3];
 405
 406         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 407         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 408                 jacks = jacks_audigy2nx;
 409         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 410                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 411                 jacks = jacks_live24ext;
 412         else
 413                 return;
 414
 415         for (i = 0; jacks[i].name; ++i) {
 416                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 417                 down_read(&mixer->chip->shutdown_rwsem);
 418                 if (mixer->chip->shutdown)
 419                         err = 0;
 420                 else
 421                         err = snd_usb_ctl_msg(mixer->chip->dev,
 422                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 423                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 424                                       USB_RECIP_INTERFACE, 0,
 425                                       jacks[i].unitid << 8, buf, 3);
 426                 up_read(&mixer->chip->shutdown_rwsem);
 427                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 428                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 429                 else
 430                         snd_iprintf(buffer, "?\n");
 431         }
 432 }
 433
 434 /* ASUS Xonar U1 / U3 controls */
 435
 436 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 437                                    struct snd_ctl_elem_value *ucontrol)
 438 {
 439         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 440
 441         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 442         return 0;
 443 }
 444
 445 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 446                                    struct snd_ctl_elem_value *ucontrol)
 447 {
 448         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 449         u8 old_status, new_status;
 450         int err, changed;
 451
 452         old_status = mixer->xonar_u1_status;
 453         if (ucontrol->value.integer.value[0])
 454                 new_status = old_status | 0x02;
 455         else
 456                 new_status = old_status & ~0x02;
 457         changed = new_status != old_status;
 458         down_read(&mixer->chip->shutdown_rwsem);
 459         if (mixer->chip->shutdown)
 460                 err = -ENODEV;
 461         else
 462                 err = snd_usb_ctl_msg(mixer->chip->dev,
 463                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 464                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 465                               50, 0, &new_status, 1);
 466         up_read(&mixer->chip->shutdown_rwsem);
 467         if (err < 0)
 468                 return err;
 469         mixer->xonar_u1_status = new_status;
 470         return changed;
 471 }
 472
 473 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 474         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 475         .name = "Digital Playback Switch",
 476         .info = snd_ctl_boolean_mono_info,
 477         .get = snd_xonar_u1_switch_get,
 478         .put = snd_xonar_u1_switch_put,
 479 };
 480
 481 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 482 {
 483         int err;
 484
 485         err = snd_ctl_add(mixer->chip->card,
 486                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 487         if (err < 0)
 488                 return err;
 489         mixer->xonar_u1_status = 0x05;
 490         return 0;
 491 }
 492
 493 /* Native Instruments device quirks */
 494
 495 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 496
 497 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 498                                              struct snd_ctl_elem_value *ucontrol)
 499 {
 500         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 501         struct usb_device *dev = mixer->chip->dev;
 502         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 503         u16 wIndex = kcontrol->private_value & 0xffff;
 504         u8 tmp;
 505         int ret;
 506
 507         down_read(&mixer->chip->shutdown_rwsem);
 508         if (mixer->chip->shutdown)
 509                 ret = -ENODEV;
 510         else
 511                 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
 512                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 513                                   0, wIndex,
 514                                   &tmp, sizeof(tmp), 1000);
 515         up_read(&mixer->chip->shutdown_rwsem);
 516
 517         if (ret < 0) {
 518                 snd_printk(KERN_ERR
 519                            "unable to issue vendor read request (ret = %d)", ret);
 520                 return ret;
 521         }
 522
 523         ucontrol->value.integer.value[0] = tmp;
 524
 525         return 0;
 526 }
 527
 528 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 529                                              struct snd_ctl_elem_value *ucontrol)
 530 {
 531         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 532         struct usb_device *dev = mixer->chip->dev;
 533         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 534         u16 wIndex = kcontrol->private_value & 0xffff;
 535         u16 wValue = ucontrol->value.integer.value[0];
 536         int ret;
 537
 538         down_read(&mixer->chip->shutdown_rwsem);
 539         if (mixer->chip->shutdown)
 540                 ret = -ENODEV;
 541         else
 542                 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
 543                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 544                                   wValue, wIndex,
 545                                   NULL, 0, 1000);
 546         up_read(&mixer->chip->shutdown_rwsem);
 547
 548         if (ret < 0) {
 549                 snd_printk(KERN_ERR
 550                            "unable to issue vendor write request (ret = %d)", ret);
 551                 return ret;
 552         }
 553
 554         return 0;
 555 }
 556
 557 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 558         {
 559                 .name = "Direct Thru Channel A",
 560                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 561         },
 562         {
 563                 .name = "Direct Thru Channel B",
 564                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 565         },
 566         {
 567                 .name = "Phono Input Channel A",
 568                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 569         },
 570         {
 571                 .name = "Phono Input Channel B",
 572                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 573         },
 574 };
 575
 576 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 577         {
 578                 .name = "Direct Thru Channel A",
 579                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 580         },
 581         {
 582                 .name = "Direct Thru Channel B",
 583                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 584         },
 585         {
 586                 .name = "Direct Thru Channel C",
 587                 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 588         },
 589         {
 590                 .name = "Direct Thru Channel D",
 591                 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 592         },
 593         {
 594                 .name = "Phono Input Channel A",
 595                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 596         },
 597         {
 598                 .name = "Phono Input Channel B",
 599                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 600         },
 601         {
 602                 .name = "Phono Input Channel C",
 603                 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 604         },
 605         {
 606                 .name = "Phono Input Channel D",
 607                 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 608         },
 609 };
 610
 611 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 612                                               const struct snd_kcontrol_new *kc,
 613                                               unsigned int count)
 614 {
 615         int i, err = 0;
 616         struct snd_kcontrol_new template = {
 617                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 618                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 619                 .get = snd_nativeinstruments_control_get,
 620                 .put = snd_nativeinstruments_control_put,
 621                 .info = snd_ctl_boolean_mono_info,
 622         };
 623
 624         for (i = 0; i < count; i++) {
 625                 struct snd_kcontrol *c;
 626
 627                 template.name = kc[i].name;
 628                 template.private_value = kc[i].private_value;
 629
 630                 c = snd_ctl_new1(&template, mixer);
 631                 err = snd_ctl_add(mixer->chip->card, c);
 632
 633                 if (err < 0)
 634                         break;
 635         }
 636
 637         return err;
 638 }
 639
 640 /* M-Audio FastTrack Ultra quirks */
 641 /* FTU Effect switch (also used by C400/C600) */
 642 struct snd_ftu_eff_switch_priv_val {
 643         struct usb_mixer_interface *mixer;
 644         int cached_value;
 645         int is_cached;
 646         int bUnitID;
 647         int validx;
 648 };
 649
 650 static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
 651                                         struct snd_ctl_elem_info *uinfo)
 652 {
 653         static const char *texts[8] = {"Room 1",
 654                                        "Room 2",
 655                                        "Room 3",
 656                                        "Hall 1",
 657                                        "Hall 2",
 658                                        "Plate",
 659                                        "Delay",
 660                                        "Echo"
 661         };
 662
 663         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 664         uinfo->count = 1;
 665         uinfo->value.enumerated.items = 8;
 666         if (uinfo->value.enumerated.item > 7)
 667                 uinfo->value.enumerated.item = 7;
 668         strcpy(uinfo->value.enumerated.name,
 669                 texts[uinfo->value.enumerated.item]);
 670
 671         return 0;
 672 }
 673
 674 static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
 675                                         struct snd_ctl_elem_value *ucontrol)
 676 {
 677         struct snd_usb_audio *chip;
 678         struct usb_mixer_interface *mixer;
 679         struct snd_ftu_eff_switch_priv_val *pval;
 680         int err;
 681         unsigned char value[2];
 682         int id, validx;
 683
 684         const int val_len = 2;
 685
 686         value[0] = 0x00;
 687         value[1] = 0x00;
 688
 689         pval = (struct snd_ftu_eff_switch_priv_val *)
 690                 kctl->private_value;
 691
 692         if (pval->is_cached) {
 693                 ucontrol->value.enumerated.item[0] = pval->cached_value;
 694                 return 0;
 695         }
 696
 697         mixer = (struct usb_mixer_interface *) pval->mixer;
 698         if (snd_BUG_ON(!mixer))
 699                 return -EINVAL;
 700
 701         chip = (struct snd_usb_audio *) mixer->chip;
 702         if (snd_BUG_ON(!chip))
 703                 return -EINVAL;
 704
 705         id = pval->bUnitID;
 706         validx = pval->validx;
 707
 708         down_read(&mixer->chip->shutdown_rwsem);
 709         if (mixer->chip->shutdown)
 710                 err = -ENODEV;
 711         else
 712                 err = snd_usb_ctl_msg(chip->dev,
 713                         usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 714                         USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 715                         validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 716                         value, val_len);
 717         up_read(&mixer->chip->shutdown_rwsem);
 718         if (err < 0)
 719                 return err;
 720
 721         ucontrol->value.enumerated.item[0] = value[0];
 722         pval->cached_value = value[0];
 723         pval->is_cached = 1;
 724
 725         return 0;
 726 }
 727
 728 static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 729                                         struct snd_ctl_elem_value *ucontrol)
 730 {
 731         struct snd_usb_audio *chip;
 732         struct snd_ftu_eff_switch_priv_val *pval;
 733
 734         struct usb_mixer_interface *mixer;
 735         int changed, cur_val, err, new_val;
 736         unsigned char value[2];
 737         int id, validx;
 738
 739         const int val_len = 2;
 740
 741         changed = 0;
 742
 743         pval = (struct snd_ftu_eff_switch_priv_val *)
 744                 kctl->private_value;
 745         cur_val = pval->cached_value;
 746         new_val = ucontrol->value.enumerated.item[0];
 747
 748         mixer = (struct usb_mixer_interface *) pval->mixer;
 749         if (snd_BUG_ON(!mixer))
 750                 return -EINVAL;
 751
 752         chip = (struct snd_usb_audio *) mixer->chip;
 753         if (snd_BUG_ON(!chip))
 754                 return -EINVAL;
 755
 756         id = pval->bUnitID;
 757         validx = pval->validx;
 758
 759         if (!pval->is_cached) {
 760                 /* Read current value */
 761                 down_read(&mixer->chip->shutdown_rwsem);
 762                 if (mixer->chip->shutdown)
 763                         err = -ENODEV;
 764                 else
 765                         err = snd_usb_ctl_msg(chip->dev,
 766                                 usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 767                                 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 768                                 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 769                                 value, val_len);
 770                 up_read(&mixer->chip->shutdown_rwsem);
 771                 if (err < 0)
 772                         return err;
 773
 774                 cur_val = value[0];
 775                 pval->cached_value = cur_val;
 776                 pval->is_cached = 1;
 777         }
 778         /* update value if needed */
 779         if (cur_val != new_val) {
 780                 value[0] = new_val;
 781                 value[1] = 0;
 782                 down_read(&mixer->chip->shutdown_rwsem);
 783                 if (mixer->chip->shutdown)
 784                         err = -ENODEV;
 785                 else
 786                         err = snd_usb_ctl_msg(chip->dev,
 787                                 usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 788                                 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 789                                 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 790                                 value, val_len);
 791                 up_read(&mixer->chip->shutdown_rwsem);
 792                 if (err < 0)
 793                         return err;
 794
 795                 pval->cached_value = new_val;
 796                 pval->is_cached = 1;
 797                 changed = 1;
 798         }
 799
 800         return changed;
 801 }
 802
 803 static void kctl_private_value_free(struct snd_kcontrol *kctl)
 804 {
 805         kfree((void *)kctl->private_value);
 806 }
 807
 808 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
 809         int validx, int bUnitID)
 810 {
 811         static struct snd_kcontrol_new template = {
 812                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 813                 .name = "Effect Program Switch",
 814                 .index = 0,
 815                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 816                 .info = snd_ftu_eff_switch_info,
 817                 .get = snd_ftu_eff_switch_get,
 818                 .put = snd_ftu_eff_switch_put
 819         };
 820
 821         int err;
 822         struct snd_kcontrol *kctl;
 823         struct snd_ftu_eff_switch_priv_val *pval;
 824
 825         pval = kzalloc(sizeof(*pval), GFP_KERNEL);
 826         if (!pval)
 827                 return -ENOMEM;
 828
 829         pval->cached_value = 0;
 830         pval->is_cached = 0;
 831         pval->mixer = mixer;
 832         pval->bUnitID = bUnitID;
 833         pval->validx = validx;
 834
 835         template.private_value = (unsigned long) pval;
 836         kctl = snd_ctl_new1(&template, mixer->chip);
 837         if (!kctl) {
 838                 kfree(pval);
 839                 return -ENOMEM;
 840         }
 841
 842         kctl->private_free = kctl_private_value_free;
 843         err = snd_ctl_add(mixer->chip->card, kctl);
 844         if (err < 0)
 845                 return err;
 846
 847         return 0;
 848 }
 849
 850 /* Create volume controls for FTU devices*/
 851 static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 852 {
 853         char name[64];
 854         unsigned int control, cmask;
 855         int in, out, err;
 856
 857         const unsigned int id = 5;
 858         const int val_type = USB_MIXER_S16;
 859
 860         for (out = 0; out < 8; out++) {
 861                 control = out + 1;
 862                 for (in = 0; in < 8; in++) {
 863                         cmask = 1 << in;
 864                         snprintf(name, sizeof(name),
 865                                 "AIn%d - Out%d Capture Volume",
 866                                 in  + 1, out + 1);
 867                         err = snd_create_std_mono_ctl(mixer, id, control,
 868                                                         cmask, val_type, name,
 869                                                         &snd_usb_mixer_vol_tlv);
 870                         if (err < 0)
 871                                 return err;
 872                 }
 873                 for (in = 8; in < 16; in++) {
 874                         cmask = 1 << in;
 875                         snprintf(name, sizeof(name),
 876                                 "DIn%d - Out%d Playback Volume",
 877                                 in - 7, out + 1);
 878                         err = snd_create_std_mono_ctl(mixer, id, control,
 879                                                         cmask, val_type, name,
 880                                                         &snd_usb_mixer_vol_tlv);
 881                         if (err < 0)
 882                                 return err;
 883                 }
 884         }
 885
 886         return 0;
 887 }
 888
 889 /* This control needs a volume quirk, see mixer.c */
 890 static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
 891 {
 892         static const char name[] = "Effect Volume";
 893         const unsigned int id = 6;
 894         const int val_type = USB_MIXER_U8;
 895         const unsigned int control = 2;
 896         const unsigned int cmask = 0;
 897
 898         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 899                                         name, snd_usb_mixer_vol_tlv);
 900 }
 901
 902 /* This control needs a volume quirk, see mixer.c */
 903 static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
 904 {
 905         static const char name[] = "Effect Duration";
 906         const unsigned int id = 6;
 907         const int val_type = USB_MIXER_S16;
 908         const unsigned int control = 3;
 909         const unsigned int cmask = 0;
 910
 911         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 912                                         name, snd_usb_mixer_vol_tlv);
 913 }
 914
 915 /* This control needs a volume quirk, see mixer.c */
 916 static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
 917 {
 918         static const char name[] = "Effect Feedback Volume";
 919         const unsigned int id = 6;
 920         const int val_type = USB_MIXER_U8;
 921         const unsigned int control = 4;
 922         const unsigned int cmask = 0;
 923
 924         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 925                                         name, NULL);
 926 }
 927
 928 static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
 929 {
 930         unsigned int cmask;
 931         int err, ch;
 932         char name[48];
 933
 934         const unsigned int id = 7;
 935         const int val_type = USB_MIXER_S16;
 936         const unsigned int control = 7;
 937
 938         for (ch = 0; ch < 4; ++ch) {
 939                 cmask = 1 << ch;
 940                 snprintf(name, sizeof(name),
 941                         "Effect Return %d Volume", ch + 1);
 942                 err = snd_create_std_mono_ctl(mixer, id, control,
 943                                                 cmask, val_type, name,
 944                                                 snd_usb_mixer_vol_tlv);
 945                 if (err < 0)
 946                         return err;
 947         }
 948
 949         return 0;
 950 }
 951
 952 static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
 953 {
 954         unsigned int  cmask;
 955         int err, ch;
 956         char name[48];
 957
 958         const unsigned int id = 5;
 959         const int val_type = USB_MIXER_S16;
 960         const unsigned int control = 9;
 961
 962         for (ch = 0; ch < 8; ++ch) {
 963                 cmask = 1 << ch;
 964                 snprintf(name, sizeof(name),
 965                         "Effect Send AIn%d Volume", ch + 1);
 966                 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
 967                                                 val_type, name,
 968                                                 snd_usb_mixer_vol_tlv);
 969                 if (err < 0)
 970                         return err;
 971         }
 972         for (ch = 8; ch < 16; ++ch) {
 973                 cmask = 1 << ch;
 974                 snprintf(name, sizeof(name),
 975                         "Effect Send DIn%d Volume", ch - 7);
 976                 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
 977                                                 val_type, name,
 978                                                 snd_usb_mixer_vol_tlv);
 979                 if (err < 0)
 980                         return err;
 981         }
 982         return 0;
 983 }
 984
 985 static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
 986 {
 987         int err;
 988
 989         err = snd_ftu_create_volume_ctls(mixer);
 990         if (err < 0)
 991                 return err;
 992
 993         err = snd_ftu_create_effect_switch(mixer, 1, 6);
 994         if (err < 0)
 995                 return err;
 996
 997         err = snd_ftu_create_effect_volume_ctl(mixer);
 998         if (err < 0)
 999                 return err;
1000
1001         err = snd_ftu_create_effect_duration_ctl(mixer);
1002         if (err < 0)
1003                 return err;
1004
1005         err = snd_ftu_create_effect_feedback_ctl(mixer);
1006         if (err < 0)
1007                 return err;
1008
1009         err = snd_ftu_create_effect_return_ctls(mixer);
1010         if (err < 0)
1011                 return err;
1012
1013         err = snd_ftu_create_effect_send_ctls(mixer);
1014         if (err < 0)
1015                 return err;
1016
1017         return 0;
1018 }
1019
1020 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1021                                unsigned char samplerate_id)
1022 {
1023         struct usb_mixer_interface *mixer;
1024         struct usb_mixer_elem_info *cval;
1025         int unitid = 12; /* SamleRate ExtensionUnit ID */
1026
1027         list_for_each_entry(mixer, &chip->mixer_list, list) {
1028                 cval = mixer->id_elems[unitid];
1029                 if (cval) {
1030                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1031                                                     cval->control << 8,
1032                                                     samplerate_id);
1033                         snd_usb_mixer_notify_id(mixer, unitid);
1034                 }
1035                 break;
1036         }
1037 }
1038
1039 /* M-Audio Fast Track C400/C600 */
1040 /* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1041 static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1042 {
1043         char name[64];
1044         unsigned int cmask, offset;
1045         int out, chan, err;
1046         int num_outs = 0;
1047         int num_ins = 0;
1048
1049         const unsigned int id = 0x40;
1050         const int val_type = USB_MIXER_S16;
1051         const int control = 1;
1052
1053         switch (mixer->chip->usb_id) {
1054         case USB_ID(0x0763, 0x2030):
1055                 num_outs = 6;
1056                 num_ins = 4;
1057                 break;
1058         case USB_ID(0x0763, 0x2031):
1059                 num_outs = 8;
1060                 num_ins = 6;
1061                 break;
1062         }
1063
1064         for (chan = 0; chan < num_outs + num_ins; chan++) {
1065                 for (out = 0; out < num_outs; out++) {
1066                         if (chan < num_outs) {
1067                                 snprintf(name, sizeof(name),
1068                                         "PCM%d-Out%d Playback Volume",
1069                                         chan + 1, out + 1);
1070                         } else {
1071                                 snprintf(name, sizeof(name),
1072                                         "In%d-Out%d Playback Volume",
1073                                         chan - num_outs + 1, out + 1);
1074                         }
1075
1076                         cmask = (out == 0) ? 0 : 1 << (out - 1);
1077                         offset = chan * num_outs;
1078                         err = snd_create_std_mono_ctl_offset(mixer, id, control,
1079                                                 cmask, val_type, offset, name,
1080                                                 &snd_usb_mixer_vol_tlv);
1081                         if (err < 0)
1082                                 return err;
1083                 }
1084         }
1085
1086         return 0;
1087 }
1088
1089 /* This control needs a volume quirk, see mixer.c */
1090 static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1091 {
1092         static const char name[] = "Effect Volume";
1093         const unsigned int id = 0x43;
1094         const int val_type = USB_MIXER_U8;
1095         const unsigned int control = 3;
1096         const unsigned int cmask = 0;
1097
1098         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1099                                         name, snd_usb_mixer_vol_tlv);
1100 }
1101
1102 /* This control needs a volume quirk, see mixer.c */
1103 static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1104 {
1105         static const char name[] = "Effect Duration";
1106         const unsigned int id = 0x43;
1107         const int val_type = USB_MIXER_S16;
1108         const unsigned int control = 4;
1109         const unsigned int cmask = 0;
1110
1111         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1112                                         name, snd_usb_mixer_vol_tlv);
1113 }
1114
1115 /* This control needs a volume quirk, see mixer.c */
1116 static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1117 {
1118         static const char name[] = "Effect Feedback Volume";
1119         const unsigned int id = 0x43;
1120         const int val_type = USB_MIXER_U8;
1121         const unsigned int control = 5;
1122         const unsigned int cmask = 0;
1123
1124         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1125                                         name, NULL);
1126 }
1127
1128 static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1129 {
1130         char name[64];
1131         unsigned int cmask;
1132         int chan, err;
1133         int num_outs = 0;
1134         int num_ins = 0;
1135
1136         const unsigned int id = 0x42;
1137         const int val_type = USB_MIXER_S16;
1138         const int control = 1;
1139
1140         switch (mixer->chip->usb_id) {
1141         case USB_ID(0x0763, 0x2030):
1142                 num_outs = 6;
1143                 num_ins = 4;
1144                 break;
1145         case USB_ID(0x0763, 0x2031):
1146                 num_outs = 8;
1147                 num_ins = 6;
1148                 break;
1149         }
1150
1151         for (chan = 0; chan < num_outs + num_ins; chan++) {
1152                 if (chan < num_outs) {
1153                         snprintf(name, sizeof(name),
1154                                 "Effect Send DOut%d",
1155                                 chan + 1);
1156                 } else {
1157                         snprintf(name, sizeof(name),
1158                                 "Effect Send AIn%d",
1159                                 chan - num_outs + 1);
1160                 }
1161
1162                 cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1163                 err = snd_create_std_mono_ctl(mixer, id, control,
1164                                                 cmask, val_type, name,
1165                                                 &snd_usb_mixer_vol_tlv);
1166                 if (err < 0)
1167                         return err;
1168         }
1169
1170         return 0;
1171 }
1172
1173 static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1174 {
1175         char name[64];
1176         unsigned int cmask;
1177         int chan, err;
1178         int num_outs = 0;
1179         int offset = 0;
1180
1181         const unsigned int id = 0x40;
1182         const int val_type = USB_MIXER_S16;
1183         const int control = 1;
1184
1185         switch (mixer->chip->usb_id) {
1186         case USB_ID(0x0763, 0x2030):
1187                 num_outs = 6;
1188                 offset = 0x3c;
1189                 /* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1190                 break;
1191         case USB_ID(0x0763, 0x2031):
1192                 num_outs = 8;
1193                 offset = 0x70;
1194                 /* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1195                 break;
1196         }
1197
1198         for (chan = 0; chan < num_outs; chan++) {
1199                 snprintf(name, sizeof(name),
1200                         "Effect Return %d",
1201                         chan + 1);
1202
1203                 cmask = (chan == 0) ? 0 :
1204                         1 << (chan + (chan % 2) * num_outs - 1);
1205                 err = snd_create_std_mono_ctl_offset(mixer, id, control,
1206                                                 cmask, val_type, offset, name,
1207                                                 &snd_usb_mixer_vol_tlv);
1208                 if (err < 0)
1209                         return err;
1210         }
1211
1212         return 0;
1213 }
1214
1215 static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1216 {
1217         int err;
1218
1219         err = snd_c400_create_vol_ctls(mixer);
1220         if (err < 0)
1221                 return err;
1222
1223         err = snd_c400_create_effect_vol_ctls(mixer);
1224         if (err < 0)
1225                 return err;
1226
1227         err = snd_c400_create_effect_ret_vol_ctls(mixer);
1228         if (err < 0)
1229                 return err;
1230
1231         err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1232         if (err < 0)
1233                 return err;
1234
1235         err = snd_c400_create_effect_volume_ctl(mixer);
1236         if (err < 0)
1237                 return err;
1238
1239         err = snd_c400_create_effect_duration_ctl(mixer);
1240         if (err < 0)
1241                 return err;
1242
1243         err = snd_c400_create_effect_feedback_ctl(mixer);
1244         if (err < 0)
1245                 return err;
1246
1247         return 0;
1248 }
1249
1250 /*
1251  * The mixer units for Ebox-44 are corrupt, and even where they
1252  * are valid they presents mono controls as L and R channels of
1253  * stereo. So we provide a good mixer here.
1254  */
1255 static struct std_mono_table ebox44_table[] = {
1256         {
1257                 .unitid = 4,
1258                 .control = 1,
1259                 .cmask = 0x0,
1260                 .val_type = USB_MIXER_INV_BOOLEAN,
1261                 .name = "Headphone Playback Switch"
1262         },
1263         {
1264                 .unitid = 4,
1265                 .control = 2,
1266                 .cmask = 0x1,
1267                 .val_type = USB_MIXER_S16,
1268                 .name = "Headphone A Mix Playback Volume"
1269         },
1270         {
1271                 .unitid = 4,
1272                 .control = 2,
1273                 .cmask = 0x2,
1274                 .val_type = USB_MIXER_S16,
1275                 .name = "Headphone B Mix Playback Volume"
1276         },
1277
1278         {
1279                 .unitid = 7,
1280                 .control = 1,
1281                 .cmask = 0x0,
1282                 .val_type = USB_MIXER_INV_BOOLEAN,
1283                 .name = "Output Playback Switch"
1284         },
1285         {
1286                 .unitid = 7,
1287                 .control = 2,
1288                 .cmask = 0x1,
1289                 .val_type = USB_MIXER_S16,
1290                 .name = "Output A Playback Volume"
1291         },
1292         {
1293                 .unitid = 7,
1294                 .control = 2,
1295                 .cmask = 0x2,
1296                 .val_type = USB_MIXER_S16,
1297                 .name = "Output B Playback Volume"
1298         },
1299
1300         {
1301                 .unitid = 10,
1302                 .control = 1,
1303                 .cmask = 0x0,
1304                 .val_type = USB_MIXER_INV_BOOLEAN,
1305                 .name = "Input Capture Switch"
1306         },
1307         {
1308                 .unitid = 10,
1309                 .control = 2,
1310                 .cmask = 0x1,
1311                 .val_type = USB_MIXER_S16,
1312                 .name = "Input A Capture Volume"
1313         },
1314         {
1315                 .unitid = 10,
1316                 .control = 2,
1317                 .cmask = 0x2,
1318                 .val_type = USB_MIXER_S16,
1319                 .name = "Input B Capture Volume"
1320         },
1321
1322         {}
1323 };
1324
1325 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1326 {
1327         int err = 0;
1328         struct snd_info_entry *entry;
1329
1330         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
1331                 return err;
1332
1333         switch (mixer->chip->usb_id) {
1334         case USB_ID(0x041e, 0x3020):
1335         case USB_ID(0x041e, 0x3040):
1336         case USB_ID(0x041e, 0x3042):
1337         case USB_ID(0x041e, 0x30df):
1338         case USB_ID(0x041e, 0x3048):
1339                 err = snd_audigy2nx_controls_create(mixer);
1340                 if (err < 0)
1341                         break;
1342                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1343                         snd_info_set_text_ops(entry, mixer,
1344                                               snd_audigy2nx_proc_read);
1345                 break;
1346
1347         case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
1348         case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
1349                 err = snd_c400_create_mixer(mixer);
1350                 break;
1351
1352         case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1353         case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1354                 err = snd_ftu_create_mixer(mixer);
1355                 break;
1356
1357         case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
1358         case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
1359         case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
1360                 err = snd_xonar_u1_controls_create(mixer);
1361                 break;
1362
1363         case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1364                 err = snd_nativeinstruments_create_mixer(mixer,
1365                                 snd_nativeinstruments_ta6_mixers,
1366                                 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1367                 break;
1368
1369         case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1370                 err = snd_nativeinstruments_create_mixer(mixer,
1371                                 snd_nativeinstruments_ta10_mixers,
1372                                 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1373                 break;
1374
1375         case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1376                 /* detection is disabled in mixer_maps.c */
1377                 err = snd_create_std_mono_table(mixer, ebox44_table);
1378                 break;
1379         }
1380
1381         return err;
1382 }
1383
1384 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1385                                     int unitid)
1386 {
1387         if (!mixer->rc_cfg)
1388                 return;
1389         /* unit ids specific to Extigy/Audigy 2 NX: */
1390         switch (unitid) {
1391         case 0: /* remote control */
1392                 mixer->rc_urb->dev = mixer->chip->dev;
1393                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1394                 break;
1395         case 4: /* digital in jack */
1396         case 7: /* line in jacks */
1397         case 19: /* speaker out jacks */
1398         case 20: /* headphones out jack */
1399                 break;
1400         /* live24ext: 4 = line-in jack */
1401         case 3: /* hp-out jack (may actuate Mute) */
1402                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1403                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1404                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1405                 break;
1406         default:
1407                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
1408                 break;
1409         }
1410 }
1411