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 /*
  46  * Sound Blaster remote control configuration
  47  *
  48  * format of remote control data:
  49  * Extigy:       xx 00
  50  * Audigy 2 NX:  06 80 xx 00 00 00
  51  * Live! 24-bit: 06 80 xx yy 22 83
  52  */
  53 static const struct rc_config {
  54         u32 usb_id;
  55         u8  offset;
  56         u8  length;
  57         u8  packet_length;
  58         u8  min_packet_length; /* minimum accepted length of the URB result */
  59         u8  mute_mixer_id;
  60         u32 mute_code;
  61 } rc_configs[] = {
  62         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
  63         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
  64         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
  65         { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
  66         { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
  67         { USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
  68         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
  69 };
  70
  71 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
  72 {
  73         struct usb_mixer_interface *mixer = urb->context;
  74         const struct rc_config *rc = mixer->rc_cfg;
  75         u32 code;
  76
  77         if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
  78                 return;
  79
  80         code = mixer->rc_buffer[rc->offset];
  81         if (rc->length == 2)
  82                 code |= mixer->rc_buffer[rc->offset + 1] << 8;
  83
  84         /* the Mute button actually changes the mixer control */
  85         if (code == rc->mute_code)
  86                 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
  87         mixer->rc_code = code;
  88         wmb();
  89         wake_up(&mixer->rc_waitq);
  90 }
  91
  92 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
  93                                      long count, loff_t *offset)
  94 {
  95         struct usb_mixer_interface *mixer = hw->private_data;
  96         int err;
  97         u32 rc_code;
  98
  99         if (count != 1 && count != 4)
 100                 return -EINVAL;
 101         err = wait_event_interruptible(mixer->rc_waitq,
 102                                        (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 103         if (err == 0) {
 104                 if (count == 1)
 105                         err = put_user(rc_code, buf);
 106                 else
 107                         err = put_user(rc_code, (u32 __user *)buf);
 108         }
 109         return err < 0 ? err : count;
 110 }
 111
 112 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 113                                             poll_table *wait)
 114 {
 115         struct usb_mixer_interface *mixer = hw->private_data;
 116
 117         poll_wait(file, &mixer->rc_waitq, wait);
 118         return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 119 }
 120
 121 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 122 {
 123         struct snd_hwdep *hwdep;
 124         int err, len, i;
 125
 126         for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 127                 if (rc_configs[i].usb_id == mixer->chip->usb_id)
 128                         break;
 129         if (i >= ARRAY_SIZE(rc_configs))
 130                 return 0;
 131         mixer->rc_cfg = &rc_configs[i];
 132
 133         len = mixer->rc_cfg->packet_length;
 134
 135         init_waitqueue_head(&mixer->rc_waitq);
 136         err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 137         if (err < 0)
 138                 return err;
 139         snprintf(hwdep->name, sizeof(hwdep->name),
 140                  "%s remote control", mixer->chip->card->shortname);
 141         hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 142         hwdep->private_data = mixer;
 143         hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 144         hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 145         hwdep->exclusive = 1;
 146
 147         mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 148         if (!mixer->rc_urb)
 149                 return -ENOMEM;
 150         mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 151         if (!mixer->rc_setup_packet) {
 152                 usb_free_urb(mixer->rc_urb);
 153                 mixer->rc_urb = NULL;
 154                 return -ENOMEM;
 155         }
 156         mixer->rc_setup_packet->bRequestType =
 157                 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 158         mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 159         mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 160         mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 161         mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 162         usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 163                              usb_rcvctrlpipe(mixer->chip->dev, 0),
 164                              (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 165                              snd_usb_soundblaster_remote_complete, mixer);
 166         return 0;
 167 }
 168
 169 #define snd_audigy2nx_led_info          snd_ctl_boolean_mono_info
 170
 171 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 172 {
 173         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 174         int index = kcontrol->private_value;
 175
 176         ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
 177         return 0;
 178 }
 179
 180 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 181 {
 182         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 183         int index = kcontrol->private_value;
 184         int value = ucontrol->value.integer.value[0];
 185         int err, changed;
 186
 187         if (value > 1)
 188                 return -EINVAL;
 189         changed = value != mixer->audigy2nx_leds[index];
 190         down_read(&mixer->chip->shutdown_rwsem);
 191         if (mixer->chip->shutdown) {
 192                 err = -ENODEV;
 193                 goto out;
 194         }
 195         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
 196                 err = snd_usb_ctl_msg(mixer->chip->dev,
 197                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 198                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 199                               !value, 0, NULL, 0);
 200         /* USB X-Fi S51 Pro */
 201         if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
 202                 err = snd_usb_ctl_msg(mixer->chip->dev,
 203                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 204                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 205                               !value, 0, NULL, 0);
 206         else
 207                 err = snd_usb_ctl_msg(mixer->chip->dev,
 208                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 209                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 210                               value, index + 2, NULL, 0);
 211  out:
 212         up_read(&mixer->chip->shutdown_rwsem);
 213         if (err < 0)
 214                 return err;
 215         mixer->audigy2nx_leds[index] = value;
 216         return changed;
 217 }
 218
 219 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 220         {
 221                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 222                 .name = "CMSS LED Switch",
 223                 .info = snd_audigy2nx_led_info,
 224                 .get = snd_audigy2nx_led_get,
 225                 .put = snd_audigy2nx_led_put,
 226                 .private_value = 0,
 227         },
 228         {
 229                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 230                 .name = "Power LED Switch",
 231                 .info = snd_audigy2nx_led_info,
 232                 .get = snd_audigy2nx_led_get,
 233                 .put = snd_audigy2nx_led_put,
 234                 .private_value = 1,
 235         },
 236         {
 237                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 238                 .name = "Dolby Digital LED Switch",
 239                 .info = snd_audigy2nx_led_info,
 240                 .get = snd_audigy2nx_led_get,
 241                 .put = snd_audigy2nx_led_put,
 242                 .private_value = 2,
 243         },
 244 };
 245
 246 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 247 {
 248         int i, err;
 249
 250         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 251                 /* USB X-Fi S51 doesn't have a CMSS LED */
 252                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 253                         continue;
 254                 /* USB X-Fi S51 Pro doesn't have one either */
 255                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 256                         continue;
 257                 if (i > 1 && /* Live24ext has 2 LEDs only */
 258                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 259                          mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 260                          mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 261                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 262                         break;
 263                 err = snd_ctl_add(mixer->chip->card,
 264                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 265                 if (err < 0)
 266                         return err;
 267         }
 268         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 269         return 0;
 270 }
 271
 272 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 273                                     struct snd_info_buffer *buffer)
 274 {
 275         static const struct sb_jack {
 276                 int unitid;
 277                 const char *name;
 278         }  jacks_audigy2nx[] = {
 279                 {4,  "dig in "},
 280                 {7,  "line in"},
 281                 {19, "spk out"},
 282                 {20, "hph out"},
 283                 {-1, NULL}
 284         }, jacks_live24ext[] = {
 285                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 286                 {3,  "hph out"}, /* headphones */
 287                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 288                 {-1, NULL}
 289         };
 290         const struct sb_jack *jacks;
 291         struct usb_mixer_interface *mixer = entry->private_data;
 292         int i, err;
 293         u8 buf[3];
 294
 295         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 296         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 297                 jacks = jacks_audigy2nx;
 298         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 299                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 300                 jacks = jacks_live24ext;
 301         else
 302                 return;
 303
 304         for (i = 0; jacks[i].name; ++i) {
 305                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 306                 down_read(&mixer->chip->shutdown_rwsem);
 307                 if (mixer->chip->shutdown)
 308                         err = 0;
 309                 else
 310                         err = snd_usb_ctl_msg(mixer->chip->dev,
 311                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 312                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 313                                       USB_RECIP_INTERFACE, 0,
 314                                       jacks[i].unitid << 8, buf, 3);
 315                 up_read(&mixer->chip->shutdown_rwsem);
 316                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 317                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 318                 else
 319                         snd_iprintf(buffer, "?\n");
 320         }
 321 }
 322
 323 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 324                                    struct snd_ctl_elem_value *ucontrol)
 325 {
 326         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 327
 328         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 329         return 0;
 330 }
 331
 332 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 333                                    struct snd_ctl_elem_value *ucontrol)
 334 {
 335         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 336         u8 old_status, new_status;
 337         int err, changed;
 338
 339         old_status = mixer->xonar_u1_status;
 340         if (ucontrol->value.integer.value[0])
 341                 new_status = old_status | 0x02;
 342         else
 343                 new_status = old_status & ~0x02;
 344         changed = new_status != old_status;
 345         down_read(&mixer->chip->shutdown_rwsem);
 346         if (mixer->chip->shutdown)
 347                 err = -ENODEV;
 348         else
 349                 err = snd_usb_ctl_msg(mixer->chip->dev,
 350                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 351                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 352                               50, 0, &new_status, 1);
 353         up_read(&mixer->chip->shutdown_rwsem);
 354         if (err < 0)
 355                 return err;
 356         mixer->xonar_u1_status = new_status;
 357         return changed;
 358 }
 359
 360 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 361         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 362         .name = "Digital Playback Switch",
 363         .info = snd_ctl_boolean_mono_info,
 364         .get = snd_xonar_u1_switch_get,
 365         .put = snd_xonar_u1_switch_put,
 366 };
 367
 368 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 369 {
 370         int err;
 371
 372         err = snd_ctl_add(mixer->chip->card,
 373                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 374         if (err < 0)
 375                 return err;
 376         mixer->xonar_u1_status = 0x05;
 377         return 0;
 378 }
 379
 380 /* Native Instruments device quirks */
 381
 382 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 383
 384 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 385                                              struct snd_ctl_elem_value *ucontrol)
 386 {
 387         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 388         struct usb_device *dev = mixer->chip->dev;
 389         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 390         u16 wIndex = kcontrol->private_value & 0xffff;
 391         u8 tmp;
 392         int ret;
 393
 394         down_read(&mixer->chip->shutdown_rwsem);
 395         if (mixer->chip->shutdown)
 396                 ret = -ENODEV;
 397         else
 398                 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
 399                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 400                                   0, wIndex,
 401                                   &tmp, sizeof(tmp), 1000);
 402         up_read(&mixer->chip->shutdown_rwsem);
 403
 404         if (ret < 0) {
 405                 snd_printk(KERN_ERR
 406                            "unable to issue vendor read request (ret = %d)", ret);
 407                 return ret;
 408         }
 409
 410         ucontrol->value.integer.value[0] = tmp;
 411
 412         return 0;
 413 }
 414
 415 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 416                                              struct snd_ctl_elem_value *ucontrol)
 417 {
 418         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 419         struct usb_device *dev = mixer->chip->dev;
 420         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 421         u16 wIndex = kcontrol->private_value & 0xffff;
 422         u16 wValue = ucontrol->value.integer.value[0];
 423         int ret;
 424
 425         down_read(&mixer->chip->shutdown_rwsem);
 426         if (mixer->chip->shutdown)
 427                 ret = -ENODEV;
 428         else
 429                 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
 430                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 431                                   wValue, wIndex,
 432                                   NULL, 0, 1000);
 433         up_read(&mixer->chip->shutdown_rwsem);
 434
 435         if (ret < 0) {
 436                 snd_printk(KERN_ERR
 437                            "unable to issue vendor write request (ret = %d)", ret);
 438                 return ret;
 439         }
 440
 441         return 0;
 442 }
 443
 444 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 445         {
 446                 .name = "Direct Thru Channel A",
 447                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 448         },
 449         {
 450                 .name = "Direct Thru Channel B",
 451                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 452         },
 453         {
 454                 .name = "Phono Input Channel A",
 455                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 456         },
 457         {
 458                 .name = "Phono Input Channel B",
 459                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 460         },
 461 };
 462
 463 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 464         {
 465                 .name = "Direct Thru Channel A",
 466                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 467         },
 468         {
 469                 .name = "Direct Thru Channel B",
 470                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 471         },
 472         {
 473                 .name = "Direct Thru Channel C",
 474                 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 475         },
 476         {
 477                 .name = "Direct Thru Channel D",
 478                 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 479         },
 480         {
 481                 .name = "Phono Input Channel A",
 482                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 483         },
 484         {
 485                 .name = "Phono Input Channel B",
 486                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 487         },
 488         {
 489                 .name = "Phono Input Channel C",
 490                 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 491         },
 492         {
 493                 .name = "Phono Input Channel D",
 494                 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 495         },
 496 };
 497
 498 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 499                                               const struct snd_kcontrol_new *kc,
 500                                               unsigned int count)
 501 {
 502         int i, err = 0;
 503         struct snd_kcontrol_new template = {
 504                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 505                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 506                 .get = snd_nativeinstruments_control_get,
 507                 .put = snd_nativeinstruments_control_put,
 508                 .info = snd_ctl_boolean_mono_info,
 509         };
 510
 511         for (i = 0; i < count; i++) {
 512                 struct snd_kcontrol *c;
 513
 514                 template.name = kc[i].name;
 515                 template.private_value = kc[i].private_value;
 516
 517                 c = snd_ctl_new1(&template, mixer);
 518                 err = snd_ctl_add(mixer->chip->card, c);
 519
 520                 if (err < 0)
 521                         break;
 522         }
 523
 524         return err;
 525 }
 526
 527 /* M-Audio FastTrack Ultra quirks */
 528
 529 /* private_free callback */
 530 static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
 531 {
 532         kfree(kctl->private_data);
 533         kctl->private_data = NULL;
 534 }
 535
 536 static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer,
 537                                      int in, int out, const char *name)
 538 {
 539         struct usb_mixer_elem_info *cval;
 540         struct snd_kcontrol *kctl;
 541
 542         cval = kzalloc(sizeof(*cval), GFP_KERNEL);
 543         if (!cval)
 544                 return -ENOMEM;
 545
 546         cval->id = 5;
 547         cval->mixer = mixer;
 548         cval->val_type = USB_MIXER_S16;
 549         cval->channels = 1;
 550         cval->control = out + 1;
 551         cval->cmask = 1 << in;
 552
 553         kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
 554         if (!kctl) {
 555                 kfree(cval);
 556                 return -ENOMEM;
 557         }
 558
 559         snprintf(kctl->id.name, sizeof(kctl->id.name), name);
 560         kctl->private_free = usb_mixer_elem_free;
 561         return snd_usb_mixer_add_control(mixer, kctl);
 562 }
 563
 564 static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
 565 {
 566         char name[64];
 567         int in, out, err;
 568
 569         for (out = 0; out < 8; out++) {
 570                 for (in = 0; in < 8; in++) {
 571                         snprintf(name, sizeof(name),
 572                                  "AIn%d - Out%d Capture Volume", in  + 1, out + 1);
 573                         err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
 574                         if (err < 0)
 575                                 return err;
 576                 }
 577
 578                 for (in = 8; in < 16; in++) {
 579                         snprintf(name, sizeof(name),
 580                                  "DIn%d - Out%d Playback Volume", in - 7, out + 1);
 581                         err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
 582                         if (err < 0)
 583                                 return err;
 584                 }
 585         }
 586
 587         return 0;
 588 }
 589
 590 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 591                                unsigned char samplerate_id)
 592 {
 593         struct usb_mixer_interface *mixer;
 594         struct usb_mixer_elem_info *cval;
 595         int unitid = 12; /* SamleRate ExtensionUnit ID */
 596
 597         list_for_each_entry(mixer, &chip->mixer_list, list) {
 598                 cval = mixer->id_elems[unitid];
 599                 if (cval) {
 600                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
 601                                                     cval->control << 8,
 602                                                     samplerate_id);
 603                         snd_usb_mixer_notify_id(mixer, unitid);
 604                 }
 605                 break;
 606         }
 607 }
 608
 609 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 610 {
 611         int err = 0;
 612         struct snd_info_entry *entry;
 613
 614         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
 615                 return err;
 616
 617         switch (mixer->chip->usb_id) {
 618         case USB_ID(0x041e, 0x3020):
 619         case USB_ID(0x041e, 0x3040):
 620         case USB_ID(0x041e, 0x3042):
 621         case USB_ID(0x041e, 0x30df):
 622         case USB_ID(0x041e, 0x3048):
 623                 err = snd_audigy2nx_controls_create(mixer);
 624                 if (err < 0)
 625                         break;
 626                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
 627                         snd_info_set_text_ops(entry, mixer,
 628                                               snd_audigy2nx_proc_read);
 629                 break;
 630
 631         case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
 632         case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
 633                 err = snd_maudio_ftu_create_mixer(mixer);
 634                 break;
 635
 636         case USB_ID(0x0b05, 0x1739):
 637         case USB_ID(0x0b05, 0x1743):
 638                 err = snd_xonar_u1_controls_create(mixer);
 639                 break;
 640
 641         case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
 642                 err = snd_nativeinstruments_create_mixer(mixer,
 643                                 snd_nativeinstruments_ta6_mixers,
 644                                 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
 645                 break;
 646
 647         case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
 648                 err = snd_nativeinstruments_create_mixer(mixer,
 649                                 snd_nativeinstruments_ta10_mixers,
 650                                 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
 651                 break;
 652         }
 653
 654         return err;
 655 }
 656
 657 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 658                                     int unitid)
 659 {
 660         if (!mixer->rc_cfg)
 661                 return;
 662         /* unit ids specific to Extigy/Audigy 2 NX: */
 663         switch (unitid) {
 664         case 0: /* remote control */
 665                 mixer->rc_urb->dev = mixer->chip->dev;
 666                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
 667                 break;
 668         case 4: /* digital in jack */
 669         case 7: /* line in jacks */
 670         case 19: /* speaker out jacks */
 671         case 20: /* headphones out jack */
 672                 break;
 673         /* live24ext: 4 = line-in jack */
 674         case 3: /* hp-out jack (may actuate Mute) */
 675                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 676                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 677                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
 678                 break;
 679         default:
 680                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
 681                 break;
 682         }
 683 }
 684