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         down_read(&mixer->chip->shutdown_rwsem);
 190         if (mixer->chip->shutdown) {
 191                 err = -ENODEV;
 192                 goto out;
 193         }
 194         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
 195                 err = snd_usb_ctl_msg(mixer->chip->dev,
 196                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 197                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 198                               !value, 0, NULL, 0);
 199         /* USB X-Fi S51 Pro */
 200         if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
 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, 0, NULL, 0);
 205         else
 206                 err = snd_usb_ctl_msg(mixer->chip->dev,
 207                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 208                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 209                               value, index + 2, NULL, 0);
 210  out:
 211         up_read(&mixer->chip->shutdown_rwsem);
 212         if (err < 0)
 213                 return err;
 214         mixer->audigy2nx_leds[index] = value;
 215         return changed;
 216 }
 217
 218 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 219         {
 220                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 221                 .name = "CMSS LED Switch",
 222                 .info = snd_audigy2nx_led_info,
 223                 .get = snd_audigy2nx_led_get,
 224                 .put = snd_audigy2nx_led_put,
 225                 .private_value = 0,
 226         },
 227         {
 228                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 229                 .name = "Power LED Switch",
 230                 .info = snd_audigy2nx_led_info,
 231                 .get = snd_audigy2nx_led_get,
 232                 .put = snd_audigy2nx_led_put,
 233                 .private_value = 1,
 234         },
 235         {
 236                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 237                 .name = "Dolby Digital LED Switch",
 238                 .info = snd_audigy2nx_led_info,
 239                 .get = snd_audigy2nx_led_get,
 240                 .put = snd_audigy2nx_led_put,
 241                 .private_value = 2,
 242         },
 243 };
 244
 245 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 246 {
 247         int i, err;
 248
 249         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 250                 /* USB X-Fi S51 doesn't have a CMSS LED */
 251                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 252                         continue;
 253                 /* USB X-Fi S51 Pro doesn't have one either */
 254                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 255                         continue;
 256                 if (i > 1 && /* Live24ext has 2 LEDs only */
 257                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 258                          mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 259                          mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 260                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 261                         break;
 262                 err = snd_ctl_add(mixer->chip->card,
 263                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 264                 if (err < 0)
 265                         return err;
 266         }
 267         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 268         return 0;
 269 }
 270
 271 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 272                                     struct snd_info_buffer *buffer)
 273 {
 274         static const struct sb_jack {
 275                 int unitid;
 276                 const char *name;
 277         }  jacks_audigy2nx[] = {
 278                 {4,  "dig in "},
 279                 {7,  "line in"},
 280                 {19, "spk out"},
 281                 {20, "hph out"},
 282                 {-1, NULL}
 283         }, jacks_live24ext[] = {
 284                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 285                 {3,  "hph out"}, /* headphones */
 286                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 287                 {-1, NULL}
 288         };
 289         const struct sb_jack *jacks;
 290         struct usb_mixer_interface *mixer = entry->private_data;
 291         int i, err;
 292         u8 buf[3];
 293
 294         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 295         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 296                 jacks = jacks_audigy2nx;
 297         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 298                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 299                 jacks = jacks_live24ext;
 300         else
 301                 return;
 302
 303         for (i = 0; jacks[i].name; ++i) {
 304                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 305                 down_read(&mixer->chip->shutdown_rwsem);
 306                 if (mixer->chip->shutdown)
 307                         err = 0;
 308                 else
 309                         err = snd_usb_ctl_msg(mixer->chip->dev,
 310                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 311                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 312                                       USB_RECIP_INTERFACE, 0,
 313                                       jacks[i].unitid << 8, buf, 3);
 314                 up_read(&mixer->chip->shutdown_rwsem);
 315                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 316                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 317                 else
 318                         snd_iprintf(buffer, "?\n");
 319         }
 320 }
 321
 322 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 323                                    struct snd_ctl_elem_value *ucontrol)
 324 {
 325         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 326
 327         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 328         return 0;
 329 }
 330
 331 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 332                                    struct snd_ctl_elem_value *ucontrol)
 333 {
 334         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 335         u8 old_status, new_status;
 336         int err, changed;
 337
 338         old_status = mixer->xonar_u1_status;
 339         if (ucontrol->value.integer.value[0])
 340                 new_status = old_status | 0x02;
 341         else
 342                 new_status = old_status & ~0x02;
 343         changed = new_status != old_status;
 344         down_read(&mixer->chip->shutdown_rwsem);
 345         if (mixer->chip->shutdown)
 346                 err = -ENODEV;
 347         else
 348                 err = snd_usb_ctl_msg(mixer->chip->dev,
 349                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 350                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 351                               50, 0, &new_status, 1);
 352         up_read(&mixer->chip->shutdown_rwsem);
 353         if (err < 0)
 354                 return err;
 355         mixer->xonar_u1_status = new_status;
 356         return changed;
 357 }
 358
 359 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 360         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 361         .name = "Digital Playback Switch",
 362         .info = snd_ctl_boolean_mono_info,
 363         .get = snd_xonar_u1_switch_get,
 364         .put = snd_xonar_u1_switch_put,
 365 };
 366
 367 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 368 {
 369         int err;
 370
 371         err = snd_ctl_add(mixer->chip->card,
 372                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 373         if (err < 0)
 374                 return err;
 375         mixer->xonar_u1_status = 0x05;
 376         return 0;
 377 }
 378
 379 /* Native Instruments device quirks */
 380
 381 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 382
 383 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 384                                              struct snd_ctl_elem_value *ucontrol)
 385 {
 386         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 387         struct usb_device *dev = mixer->chip->dev;
 388         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 389         u16 wIndex = kcontrol->private_value & 0xffff;
 390         u8 tmp;
 391         int ret;
 392
 393         down_read(&mixer->chip->shutdown_rwsem);
 394         if (mixer->chip->shutdown)
 395                 ret = -ENODEV;
 396         else
 397                 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
 398                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 399                                   0, wIndex,
 400                                   &tmp, sizeof(tmp), 1000);
 401         up_read(&mixer->chip->shutdown_rwsem);
 402
 403         if (ret < 0) {
 404                 snd_printk(KERN_ERR
 405                            "unable to issue vendor read request (ret = %d)", ret);
 406                 return ret;
 407         }
 408
 409         ucontrol->value.integer.value[0] = tmp;
 410
 411         return 0;
 412 }
 413
 414 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 415                                              struct snd_ctl_elem_value *ucontrol)
 416 {
 417         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 418         struct usb_device *dev = mixer->chip->dev;
 419         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 420         u16 wIndex = kcontrol->private_value & 0xffff;
 421         u16 wValue = ucontrol->value.integer.value[0];
 422         int ret;
 423
 424         down_read(&mixer->chip->shutdown_rwsem);
 425         if (mixer->chip->shutdown)
 426                 ret = -ENODEV;
 427         else
 428                 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
 429                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 430                                   wValue, wIndex,
 431                                   NULL, 0, 1000);
 432         up_read(&mixer->chip->shutdown_rwsem);
 433
 434         if (ret < 0) {
 435                 snd_printk(KERN_ERR
 436                            "unable to issue vendor write request (ret = %d)", ret);
 437                 return ret;
 438         }
 439
 440         return 0;
 441 }
 442
 443 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 444         {
 445                 .name = "Direct Thru Channel A",
 446                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 447         },
 448         {
 449                 .name = "Direct Thru Channel B",
 450                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 451         },
 452         {
 453                 .name = "Phono Input Channel A",
 454                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 455         },
 456         {
 457                 .name = "Phono Input Channel B",
 458                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 459         },
 460 };
 461
 462 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 463         {
 464                 .name = "Direct Thru Channel A",
 465                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 466         },
 467         {
 468                 .name = "Direct Thru Channel B",
 469                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 470         },
 471         {
 472                 .name = "Direct Thru Channel C",
 473                 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 474         },
 475         {
 476                 .name = "Direct Thru Channel D",
 477                 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 478         },
 479         {
 480                 .name = "Phono Input Channel A",
 481                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 482         },
 483         {
 484                 .name = "Phono Input Channel B",
 485                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 486         },
 487         {
 488                 .name = "Phono Input Channel C",
 489                 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 490         },
 491         {
 492                 .name = "Phono Input Channel D",
 493                 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 494         },
 495 };
 496
 497 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 498                                               const struct snd_kcontrol_new *kc,
 499                                               unsigned int count)
 500 {
 501         int i, err = 0;
 502         struct snd_kcontrol_new template = {
 503                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 504                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 505                 .get = snd_nativeinstruments_control_get,
 506                 .put = snd_nativeinstruments_control_put,
 507                 .info = snd_ctl_boolean_mono_info,
 508         };
 509
 510         for (i = 0; i < count; i++) {
 511                 struct snd_kcontrol *c;
 512
 513                 template.name = kc[i].name;
 514                 template.private_value = kc[i].private_value;
 515
 516                 c = snd_ctl_new1(&template, mixer);
 517                 err = snd_ctl_add(mixer->chip->card, c);
 518
 519                 if (err < 0)
 520                         break;
 521         }
 522
 523         return err;
 524 }
 525
 526 /* M-Audio FastTrack Ultra quirks */
 527
 528 /* private_free callback */
 529 static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
 530 {
 531         kfree(kctl->private_data);
 532         kctl->private_data = NULL;
 533 }
 534
 535 static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer,
 536                                      int in, int out, const char *name)
 537 {
 538         struct usb_mixer_elem_info *cval;
 539         struct snd_kcontrol *kctl;
 540
 541         cval = kzalloc(sizeof(*cval), GFP_KERNEL);
 542         if (!cval)
 543                 return -ENOMEM;
 544
 545         cval->id = 5;
 546         cval->mixer = mixer;
 547         cval->val_type = USB_MIXER_S16;
 548         cval->channels = 1;
 549         cval->control = out + 1;
 550         cval->cmask = 1 << in;
 551
 552         kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
 553         if (!kctl) {
 554                 kfree(cval);
 555                 return -ENOMEM;
 556         }
 557
 558         snprintf(kctl->id.name, sizeof(kctl->id.name), name);
 559         kctl->private_free = usb_mixer_elem_free;
 560         return snd_usb_mixer_add_control(mixer, kctl);
 561 }
 562
 563 static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
 564 {
 565         char name[64];
 566         int in, out, err;
 567
 568         for (out = 0; out < 8; out++) {
 569                 for (in = 0; in < 8; in++) {
 570                         snprintf(name, sizeof(name),
 571                                  "AIn%d - Out%d Capture Volume", in  + 1, out + 1);
 572                         err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
 573                         if (err < 0)
 574                                 return err;
 575                 }
 576
 577                 for (in = 8; in < 16; in++) {
 578                         snprintf(name, sizeof(name),
 579                                  "DIn%d - Out%d Playback Volume", in - 7, out + 1);
 580                         err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
 581                         if (err < 0)
 582                                 return err;
 583                 }
 584         }
 585
 586         return 0;
 587 }
 588
 589 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 590                                unsigned char samplerate_id)
 591 {
 592         struct usb_mixer_interface *mixer;
 593         struct usb_mixer_elem_info *cval;
 594         int unitid = 12; /* SamleRate ExtensionUnit ID */
 595
 596         list_for_each_entry(mixer, &chip->mixer_list, list) {
 597                 cval = mixer->id_elems[unitid];
 598                 if (cval) {
 599                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
 600                                                     cval->control << 8,
 601                                                     samplerate_id);
 602                         snd_usb_mixer_notify_id(mixer, unitid);
 603                 }
 604                 break;
 605         }
 606 }
 607
 608 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 609 {
 610         int err = 0;
 611         struct snd_info_entry *entry;
 612
 613         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
 614                 return err;
 615
 616         switch (mixer->chip->usb_id) {
 617         case USB_ID(0x041e, 0x3020):
 618         case USB_ID(0x041e, 0x3040):
 619         case USB_ID(0x041e, 0x3042):
 620         case USB_ID(0x041e, 0x30df):
 621         case USB_ID(0x041e, 0x3048):
 622                 err = snd_audigy2nx_controls_create(mixer);
 623                 if (err < 0)
 624                         break;
 625                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
 626                         snd_info_set_text_ops(entry, mixer,
 627                                               snd_audigy2nx_proc_read);
 628                 break;
 629
 630         case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
 631         case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
 632                 err = snd_maudio_ftu_create_mixer(mixer);
 633                 break;
 634
 635         case USB_ID(0x0b05, 0x1739):
 636         case USB_ID(0x0b05, 0x1743):
 637                 err = snd_xonar_u1_controls_create(mixer);
 638                 break;
 639
 640         case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
 641                 err = snd_nativeinstruments_create_mixer(mixer,
 642                                 snd_nativeinstruments_ta6_mixers,
 643                                 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
 644                 break;
 645
 646         case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
 647                 err = snd_nativeinstruments_create_mixer(mixer,
 648                                 snd_nativeinstruments_ta10_mixers,
 649                                 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
 650                 break;
 651         }
 652
 653         return err;
 654 }
 655
 656 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 657                                     int unitid)
 658 {
 659         if (!mixer->rc_cfg)
 660                 return;
 661         /* unit ids specific to Extigy/Audigy 2 NX: */
 662         switch (unitid) {
 663         case 0: /* remote control */
 664                 mixer->rc_urb->dev = mixer->chip->dev;
 665                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
 666                 break;
 667         case 4: /* digital in jack */
 668         case 7: /* line in jacks */
 669         case 19: /* speaker out jacks */
 670         case 20: /* headphones out jack */
 671                 break;
 672         /* live24ext: 4 = line-in jack */
 673         case 3: /* hp-out jack (may actuate Mute) */
 674                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 675                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 676                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
 677                 break;
 678         default:
 679                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
 680                 break;
 681         }
 682 }
 683