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 /*
  44  * Sound Blaster remote control configuration
  45  *
  46  * format of remote control data:
  47  * Extigy:       xx 00
  48  * Audigy 2 NX:  06 80 xx 00 00 00
  49  * Live! 24-bit: 06 80 xx yy 22 83
  50  */
  51 static const struct rc_config {
  52         u32 usb_id;
  53         u8  offset;
  54         u8  length;
  55         u8  packet_length;
  56         u8  min_packet_length; /* minimum accepted length of the URB result */
  57         u8  mute_mixer_id;
  58         u32 mute_code;
  59 } rc_configs[] = {
  60         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
  61         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
  62         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
  63         { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
  64         { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
  65         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
  66 };
  67
  68 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
  69 {
  70         struct usb_mixer_interface *mixer = urb->context;
  71         const struct rc_config *rc = mixer->rc_cfg;
  72         u32 code;
  73
  74         if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
  75                 return;
  76
  77         code = mixer->rc_buffer[rc->offset];
  78         if (rc->length == 2)
  79                 code |= mixer->rc_buffer[rc->offset + 1] << 8;
  80
  81         /* the Mute button actually changes the mixer control */
  82         if (code == rc->mute_code)
  83                 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
  84         mixer->rc_code = code;
  85         wmb();
  86         wake_up(&mixer->rc_waitq);
  87 }
  88
  89 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
  90                                      long count, loff_t *offset)
  91 {
  92         struct usb_mixer_interface *mixer = hw->private_data;
  93         int err;
  94         u32 rc_code;
  95
  96         if (count != 1 && count != 4)
  97                 return -EINVAL;
  98         err = wait_event_interruptible(mixer->rc_waitq,
  99                                        (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 100         if (err == 0) {
 101                 if (count == 1)
 102                         err = put_user(rc_code, buf);
 103                 else
 104                         err = put_user(rc_code, (u32 __user *)buf);
 105         }
 106         return err < 0 ? err : count;
 107 }
 108
 109 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 110                                             poll_table *wait)
 111 {
 112         struct usb_mixer_interface *mixer = hw->private_data;
 113
 114         poll_wait(file, &mixer->rc_waitq, wait);
 115         return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 116 }
 117
 118 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 119 {
 120         struct snd_hwdep *hwdep;
 121         int err, len, i;
 122
 123         for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 124                 if (rc_configs[i].usb_id == mixer->chip->usb_id)
 125                         break;
 126         if (i >= ARRAY_SIZE(rc_configs))
 127                 return 0;
 128         mixer->rc_cfg = &rc_configs[i];
 129
 130         len = mixer->rc_cfg->packet_length;
 131
 132         init_waitqueue_head(&mixer->rc_waitq);
 133         err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 134         if (err < 0)
 135                 return err;
 136         snprintf(hwdep->name, sizeof(hwdep->name),
 137                  "%s remote control", mixer->chip->card->shortname);
 138         hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 139         hwdep->private_data = mixer;
 140         hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 141         hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 142         hwdep->exclusive = 1;
 143
 144         mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 145         if (!mixer->rc_urb)
 146                 return -ENOMEM;
 147         mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 148         if (!mixer->rc_setup_packet) {
 149                 usb_free_urb(mixer->rc_urb);
 150                 mixer->rc_urb = NULL;
 151                 return -ENOMEM;
 152         }
 153         mixer->rc_setup_packet->bRequestType =
 154                 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 155         mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 156         mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 157         mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 158         mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 159         usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 160                              usb_rcvctrlpipe(mixer->chip->dev, 0),
 161                              (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 162                              snd_usb_soundblaster_remote_complete, mixer);
 163         return 0;
 164 }
 165
 166 #define snd_audigy2nx_led_info          snd_ctl_boolean_mono_info
 167
 168 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 169 {
 170         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 171         int index = kcontrol->private_value;
 172
 173         ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
 174         return 0;
 175 }
 176
 177 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 178 {
 179         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 180         int index = kcontrol->private_value;
 181         int value = ucontrol->value.integer.value[0];
 182         int err, changed;
 183
 184         if (value > 1)
 185                 return -EINVAL;
 186         changed = value != mixer->audigy2nx_leds[index];
 187         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
 188                 err = snd_usb_ctl_msg(mixer->chip->dev,
 189                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 190                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 191                               !value, 0, NULL, 0, 100);
 192         /* USB X-Fi S51 Pro */
 193         if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
 194                 err = snd_usb_ctl_msg(mixer->chip->dev,
 195                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 196                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 197                               !value, 0, NULL, 0, 100);
 198         else
 199                 err = snd_usb_ctl_msg(mixer->chip->dev,
 200                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 201                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 202                               value, index + 2, NULL, 0, 100);
 203         if (err < 0)
 204                 return err;
 205         mixer->audigy2nx_leds[index] = value;
 206         return changed;
 207 }
 208
 209 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 210         {
 211                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 212                 .name = "CMSS LED Switch",
 213                 .info = snd_audigy2nx_led_info,
 214                 .get = snd_audigy2nx_led_get,
 215                 .put = snd_audigy2nx_led_put,
 216                 .private_value = 0,
 217         },
 218         {
 219                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 220                 .name = "Power LED Switch",
 221                 .info = snd_audigy2nx_led_info,
 222                 .get = snd_audigy2nx_led_get,
 223                 .put = snd_audigy2nx_led_put,
 224                 .private_value = 1,
 225         },
 226         {
 227                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 228                 .name = "Dolby Digital LED Switch",
 229                 .info = snd_audigy2nx_led_info,
 230                 .get = snd_audigy2nx_led_get,
 231                 .put = snd_audigy2nx_led_put,
 232                 .private_value = 2,
 233         },
 234 };
 235
 236 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 237 {
 238         int i, err;
 239
 240         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 241                 /* USB X-Fi S51 doesn't have a CMSS LED */
 242                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 243                         continue;
 244                 /* USB X-Fi S51 Pro doesn't have one either */
 245                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 246                         continue;
 247                 if (i > 1 && /* Live24ext has 2 LEDs only */
 248                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 249                          mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 250                          mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 251                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 252                         break;
 253                 err = snd_ctl_add(mixer->chip->card,
 254                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 255                 if (err < 0)
 256                         return err;
 257         }
 258         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 259         return 0;
 260 }
 261
 262 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 263                                     struct snd_info_buffer *buffer)
 264 {
 265         static const struct sb_jack {
 266                 int unitid;
 267                 const char *name;
 268         }  jacks_audigy2nx[] = {
 269                 {4,  "dig in "},
 270                 {7,  "line in"},
 271                 {19, "spk out"},
 272                 {20, "hph out"},
 273                 {-1, NULL}
 274         }, jacks_live24ext[] = {
 275                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 276                 {3,  "hph out"}, /* headphones */
 277                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 278                 {-1, NULL}
 279         };
 280         const struct sb_jack *jacks;
 281         struct usb_mixer_interface *mixer = entry->private_data;
 282         int i, err;
 283         u8 buf[3];
 284
 285         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 286         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 287                 jacks = jacks_audigy2nx;
 288         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 289                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 290                 jacks = jacks_live24ext;
 291         else
 292                 return;
 293
 294         for (i = 0; jacks[i].name; ++i) {
 295                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 296                 err = snd_usb_ctl_msg(mixer->chip->dev,
 297                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 298                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 299                                       USB_RECIP_INTERFACE, 0,
 300                                       jacks[i].unitid << 8, buf, 3, 100);
 301                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 302                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 303                 else
 304                         snd_iprintf(buffer, "?\n");
 305         }
 306 }
 307
 308 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 309                                    struct snd_ctl_elem_value *ucontrol)
 310 {
 311         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 312
 313         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 314         return 0;
 315 }
 316
 317 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 318                                    struct snd_ctl_elem_value *ucontrol)
 319 {
 320         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 321         u8 old_status, new_status;
 322         int err, changed;
 323
 324         old_status = mixer->xonar_u1_status;
 325         if (ucontrol->value.integer.value[0])
 326                 new_status = old_status | 0x02;
 327         else
 328                 new_status = old_status & ~0x02;
 329         changed = new_status != old_status;
 330         err = snd_usb_ctl_msg(mixer->chip->dev,
 331                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 332                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 333                               50, 0, &new_status, 1, 100);
 334         if (err < 0)
 335                 return err;
 336         mixer->xonar_u1_status = new_status;
 337         return changed;
 338 }
 339
 340 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 341         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 342         .name = "Digital Playback Switch",
 343         .info = snd_ctl_boolean_mono_info,
 344         .get = snd_xonar_u1_switch_get,
 345         .put = snd_xonar_u1_switch_put,
 346 };
 347
 348 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 349 {
 350         int err;
 351
 352         err = snd_ctl_add(mixer->chip->card,
 353                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 354         if (err < 0)
 355                 return err;
 356         mixer->xonar_u1_status = 0x05;
 357         return 0;
 358 }
 359
 360 /* Native Instruments device quirks */
 361
 362 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 363
 364 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 365                                              struct snd_ctl_elem_value *ucontrol)
 366 {
 367         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 368         struct usb_device *dev = mixer->chip->dev;
 369         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 370         u16 wIndex = kcontrol->private_value & 0xffff;
 371         u8 tmp;
 372
 373         int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
 374                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 375                                   0, cpu_to_le16(wIndex),
 376                                   &tmp, sizeof(tmp), 1000);
 377
 378         if (ret < 0) {
 379                 snd_printk(KERN_ERR
 380                            "unable to issue vendor read request (ret = %d)", ret);
 381                 return ret;
 382         }
 383
 384         ucontrol->value.integer.value[0] = tmp;
 385
 386         return 0;
 387 }
 388
 389 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 390                                              struct snd_ctl_elem_value *ucontrol)
 391 {
 392         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 393         struct usb_device *dev = mixer->chip->dev;
 394         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 395         u16 wIndex = kcontrol->private_value & 0xffff;
 396         u16 wValue = ucontrol->value.integer.value[0];
 397
 398         int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
 399                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 400                                   cpu_to_le16(wValue), cpu_to_le16(wIndex),
 401                                   NULL, 0, 1000);
 402
 403         if (ret < 0) {
 404                 snd_printk(KERN_ERR
 405                            "unable to issue vendor write request (ret = %d)", ret);
 406                 return ret;
 407         }
 408
 409         return 0;
 410 }
 411
 412 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 413         {
 414                 .name = "Direct Thru Channel A",
 415                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 416         },
 417         {
 418                 .name = "Direct Thru Channel B",
 419                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 420         },
 421         {
 422                 .name = "Phono Input Channel A",
 423                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 424         },
 425         {
 426                 .name = "Phono Input Channel B",
 427                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 428         },
 429 };
 430
 431 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 432         {
 433                 .name = "Direct Thru Channel A",
 434                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 435         },
 436         {
 437                 .name = "Direct Thru Channel B",
 438                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 439         },
 440         {
 441                 .name = "Direct Thru Channel C",
 442                 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 443         },
 444         {
 445                 .name = "Direct Thru Channel D",
 446                 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 447         },
 448         {
 449                 .name = "Phono Input Channel A",
 450                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 451         },
 452         {
 453                 .name = "Phono Input Channel B",
 454                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 455         },
 456         {
 457                 .name = "Phono Input Channel C",
 458                 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 459         },
 460         {
 461                 .name = "Phono Input Channel D",
 462                 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 463         },
 464 };
 465
 466 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 467                                               const struct snd_kcontrol_new *kc,
 468                                               unsigned int count)
 469 {
 470         int i, err = 0;
 471         struct snd_kcontrol_new template = {
 472                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 473                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 474                 .get = snd_nativeinstruments_control_get,
 475                 .put = snd_nativeinstruments_control_put,
 476                 .info = snd_ctl_boolean_mono_info,
 477         };
 478
 479         for (i = 0; i < count; i++) {
 480                 struct snd_kcontrol *c;
 481
 482                 template.name = kc[i].name;
 483                 template.private_value = kc[i].private_value;
 484
 485                 c = snd_ctl_new1(&template, mixer);
 486                 err = snd_ctl_add(mixer->chip->card, c);
 487
 488                 if (err < 0)
 489                         break;
 490         }
 491
 492         return err;
 493 }
 494
 495 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 496                                unsigned char samplerate_id)
 497 {
 498         struct usb_mixer_interface *mixer;
 499         struct usb_mixer_elem_info *cval;
 500         int unitid = 12; /* SamleRate ExtensionUnit ID */
 501
 502         list_for_each_entry(mixer, &chip->mixer_list, list) {
 503                 cval = mixer->id_elems[unitid];
 504                 if (cval) {
 505                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
 506                                                     cval->control << 8,
 507                                                     samplerate_id);
 508                         snd_usb_mixer_notify_id(mixer, unitid);
 509                 }
 510                 break;
 511         }
 512 }
 513
 514 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 515 {
 516         int err = 0;
 517         struct snd_info_entry *entry;
 518
 519         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
 520                 return err;
 521
 522         switch (mixer->chip->usb_id) {
 523         case USB_ID(0x041e, 0x3020):
 524         case USB_ID(0x041e, 0x3040):
 525         case USB_ID(0x041e, 0x3042):
 526         case USB_ID(0x041e, 0x30df):
 527         case USB_ID(0x041e, 0x3048):
 528                 err = snd_audigy2nx_controls_create(mixer);
 529                 if (err < 0)
 530                         break;
 531                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
 532                         snd_info_set_text_ops(entry, mixer,
 533                                               snd_audigy2nx_proc_read);
 534                 break;
 535
 536         case USB_ID(0x0b05, 0x1739):
 537         case USB_ID(0x0b05, 0x1743):
 538                 err = snd_xonar_u1_controls_create(mixer);
 539                 break;
 540
 541         case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
 542                 err = snd_nativeinstruments_create_mixer(mixer,
 543                                 snd_nativeinstruments_ta6_mixers,
 544                                 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
 545                 break;
 546
 547         case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
 548                 err = snd_nativeinstruments_create_mixer(mixer,
 549                                 snd_nativeinstruments_ta10_mixers,
 550                                 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
 551                 break;
 552         }
 553
 554         return err;
 555 }
 556
 557 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 558                                     int unitid)
 559 {
 560         if (!mixer->rc_cfg)
 561                 return;
 562         /* unit ids specific to Extigy/Audigy 2 NX: */
 563         switch (unitid) {
 564         case 0: /* remote control */
 565                 mixer->rc_urb->dev = mixer->chip->dev;
 566                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
 567                 break;
 568         case 4: /* digital in jack */
 569         case 7: /* line in jacks */
 570         case 19: /* speaker out jacks */
 571         case 20: /* headphones out jack */
 572                 break;
 573         /* live24ext: 4 = line-in jack */
 574         case 3: /* hp-out jack (may actuate Mute) */
 575                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 576                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 577                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
 578                 break;
 579         default:
 580                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
 581                 break;
 582         }
 583 }
 584