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