1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 */ 4 5 #include <linux/init.h> 6 #include <linux/slab.h> 7 #include <linux/usb.h> 8 #include <linux/usb/audio.h> 9 #include <linux/usb/midi.h> 10 #include <linux/bits.h> 11 12 #include <sound/control.h> 13 #include <sound/core.h> 14 #include <sound/info.h> 15 #include <sound/pcm.h> 16 17 #include "usbaudio.h" 18 #include "card.h" 19 #include "mixer.h" 20 #include "mixer_quirks.h" 21 #include "midi.h" 22 #include "quirks.h" 23 #include "helper.h" 24 #include "endpoint.h" 25 #include "pcm.h" 26 #include "clock.h" 27 #include "stream.h" 28 29 /* 30 * handle the quirks for the contained interfaces 31 */ 32 static int create_composite_quirk(struct snd_usb_audio *chip, 33 struct usb_interface *iface, 34 struct usb_driver *driver, 35 const struct snd_usb_audio_quirk *quirk_comp) 36 { 37 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 38 const struct snd_usb_audio_quirk *quirk; 39 int err; 40 41 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 42 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 43 if (!iface) 44 continue; 45 if (quirk->ifnum != probed_ifnum && 46 usb_interface_claimed(iface)) 47 continue; 48 err = snd_usb_create_quirk(chip, iface, driver, quirk); 49 if (err < 0) 50 return err; 51 } 52 53 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 54 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 55 if (!iface) 56 continue; 57 if (quirk->ifnum != probed_ifnum && 58 !usb_interface_claimed(iface)) 59 usb_driver_claim_interface(driver, iface, (void *)-1L); 60 } 61 62 return 0; 63 } 64 65 static int ignore_interface_quirk(struct snd_usb_audio *chip, 66 struct usb_interface *iface, 67 struct usb_driver *driver, 68 const struct snd_usb_audio_quirk *quirk) 69 { 70 return 0; 71 } 72 73 74 /* 75 * Allow alignment on audio sub-slot (channel samples) rather than 76 * on audio slots (audio frames) 77 */ 78 static int create_align_transfer_quirk(struct snd_usb_audio *chip, 79 struct usb_interface *iface, 80 struct usb_driver *driver, 81 const struct snd_usb_audio_quirk *quirk) 82 { 83 chip->txfr_quirk = 1; 84 return 1; /* Continue with creating streams and mixer */ 85 } 86 87 static int create_any_midi_quirk(struct snd_usb_audio *chip, 88 struct usb_interface *intf, 89 struct usb_driver *driver, 90 const struct snd_usb_audio_quirk *quirk) 91 { 92 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); 93 } 94 95 /* 96 * create a stream for an interface with proper descriptors 97 */ 98 static int create_standard_audio_quirk(struct snd_usb_audio *chip, 99 struct usb_interface *iface, 100 struct usb_driver *driver, 101 const struct snd_usb_audio_quirk *quirk) 102 { 103 struct usb_host_interface *alts; 104 struct usb_interface_descriptor *altsd; 105 int err; 106 107 if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */ 108 chip->tx_length_quirk = 1; 109 110 alts = &iface->altsetting[0]; 111 altsd = get_iface_desc(alts); 112 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); 113 if (err < 0) { 114 usb_audio_err(chip, "cannot setup if %d: error %d\n", 115 altsd->bInterfaceNumber, err); 116 return err; 117 } 118 /* reset the current interface */ 119 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); 120 return 0; 121 } 122 123 /* 124 * create a stream for an endpoint/altsetting without proper descriptors 125 */ 126 static int create_fixed_stream_quirk(struct snd_usb_audio *chip, 127 struct usb_interface *iface, 128 struct usb_driver *driver, 129 const struct snd_usb_audio_quirk *quirk) 130 { 131 struct audioformat *fp; 132 struct usb_host_interface *alts; 133 struct usb_interface_descriptor *altsd; 134 int stream, err; 135 unsigned *rate_table = NULL; 136 137 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); 138 if (!fp) 139 return -ENOMEM; 140 141 INIT_LIST_HEAD(&fp->list); 142 if (fp->nr_rates > MAX_NR_RATES) { 143 kfree(fp); 144 return -EINVAL; 145 } 146 if (fp->nr_rates > 0) { 147 rate_table = kmemdup(fp->rate_table, 148 sizeof(int) * fp->nr_rates, GFP_KERNEL); 149 if (!rate_table) { 150 kfree(fp); 151 return -ENOMEM; 152 } 153 fp->rate_table = rate_table; 154 } 155 156 stream = (fp->endpoint & USB_DIR_IN) 157 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 158 err = snd_usb_add_audio_stream(chip, stream, fp); 159 if (err < 0) 160 goto error; 161 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || 162 fp->altset_idx >= iface->num_altsetting) { 163 err = -EINVAL; 164 goto error; 165 } 166 alts = &iface->altsetting[fp->altset_idx]; 167 altsd = get_iface_desc(alts); 168 if (altsd->bNumEndpoints < 1) { 169 err = -EINVAL; 170 goto error; 171 } 172 173 fp->protocol = altsd->bInterfaceProtocol; 174 175 if (fp->datainterval == 0) 176 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 177 if (fp->maxpacksize == 0) 178 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 179 usb_set_interface(chip->dev, fp->iface, 0); 180 snd_usb_init_pitch(chip, fp->iface, alts, fp); 181 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 182 return 0; 183 184 error: 185 list_del(&fp->list); /* unlink for avoiding double-free */ 186 kfree(fp); 187 kfree(rate_table); 188 return err; 189 } 190 191 static int create_auto_pcm_quirk(struct snd_usb_audio *chip, 192 struct usb_interface *iface, 193 struct usb_driver *driver) 194 { 195 struct usb_host_interface *alts; 196 struct usb_interface_descriptor *altsd; 197 struct usb_endpoint_descriptor *epd; 198 struct uac1_as_header_descriptor *ashd; 199 struct uac_format_type_i_discrete_descriptor *fmtd; 200 201 /* 202 * Most Roland/Yamaha audio streaming interfaces have more or less 203 * standard descriptors, but older devices might lack descriptors, and 204 * future ones might change, so ensure that we fail silently if the 205 * interface doesn't look exactly right. 206 */ 207 208 /* must have a non-zero altsetting for streaming */ 209 if (iface->num_altsetting < 2) 210 return -ENODEV; 211 alts = &iface->altsetting[1]; 212 altsd = get_iface_desc(alts); 213 214 /* must have an isochronous endpoint for streaming */ 215 if (altsd->bNumEndpoints < 1) 216 return -ENODEV; 217 epd = get_endpoint(alts, 0); 218 if (!usb_endpoint_xfer_isoc(epd)) 219 return -ENODEV; 220 221 /* must have format descriptors */ 222 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 223 UAC_AS_GENERAL); 224 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 225 UAC_FORMAT_TYPE); 226 if (!ashd || ashd->bLength < 7 || 227 !fmtd || fmtd->bLength < 8) 228 return -ENODEV; 229 230 return create_standard_audio_quirk(chip, iface, driver, NULL); 231 } 232 233 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, 234 struct usb_interface *iface, 235 struct usb_driver *driver, 236 struct usb_host_interface *alts) 237 { 238 static const struct snd_usb_audio_quirk yamaha_midi_quirk = { 239 .type = QUIRK_MIDI_YAMAHA 240 }; 241 struct usb_midi_in_jack_descriptor *injd; 242 struct usb_midi_out_jack_descriptor *outjd; 243 244 /* must have some valid jack descriptors */ 245 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 246 NULL, USB_MS_MIDI_IN_JACK); 247 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 248 NULL, USB_MS_MIDI_OUT_JACK); 249 if (!injd && !outjd) 250 return -ENODEV; 251 if (injd && (injd->bLength < 5 || 252 (injd->bJackType != USB_MS_EMBEDDED && 253 injd->bJackType != USB_MS_EXTERNAL))) 254 return -ENODEV; 255 if (outjd && (outjd->bLength < 6 || 256 (outjd->bJackType != USB_MS_EMBEDDED && 257 outjd->bJackType != USB_MS_EXTERNAL))) 258 return -ENODEV; 259 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); 260 } 261 262 static int create_roland_midi_quirk(struct snd_usb_audio *chip, 263 struct usb_interface *iface, 264 struct usb_driver *driver, 265 struct usb_host_interface *alts) 266 { 267 static const struct snd_usb_audio_quirk roland_midi_quirk = { 268 .type = QUIRK_MIDI_ROLAND 269 }; 270 u8 *roland_desc = NULL; 271 272 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ 273 for (;;) { 274 roland_desc = snd_usb_find_csint_desc(alts->extra, 275 alts->extralen, 276 roland_desc, 0xf1); 277 if (!roland_desc) 278 return -ENODEV; 279 if (roland_desc[0] < 6 || roland_desc[3] != 2) 280 continue; 281 return create_any_midi_quirk(chip, iface, driver, 282 &roland_midi_quirk); 283 } 284 } 285 286 static int create_std_midi_quirk(struct snd_usb_audio *chip, 287 struct usb_interface *iface, 288 struct usb_driver *driver, 289 struct usb_host_interface *alts) 290 { 291 struct usb_ms_header_descriptor *mshd; 292 struct usb_ms_endpoint_descriptor *msepd; 293 294 /* must have the MIDIStreaming interface header descriptor*/ 295 mshd = (struct usb_ms_header_descriptor *)alts->extra; 296 if (alts->extralen < 7 || 297 mshd->bLength < 7 || 298 mshd->bDescriptorType != USB_DT_CS_INTERFACE || 299 mshd->bDescriptorSubtype != USB_MS_HEADER) 300 return -ENODEV; 301 /* must have the MIDIStreaming endpoint descriptor*/ 302 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; 303 if (alts->endpoint[0].extralen < 4 || 304 msepd->bLength < 4 || 305 msepd->bDescriptorType != USB_DT_CS_ENDPOINT || 306 msepd->bDescriptorSubtype != UAC_MS_GENERAL || 307 msepd->bNumEmbMIDIJack < 1 || 308 msepd->bNumEmbMIDIJack > 16) 309 return -ENODEV; 310 311 return create_any_midi_quirk(chip, iface, driver, NULL); 312 } 313 314 static int create_auto_midi_quirk(struct snd_usb_audio *chip, 315 struct usb_interface *iface, 316 struct usb_driver *driver) 317 { 318 struct usb_host_interface *alts; 319 struct usb_interface_descriptor *altsd; 320 struct usb_endpoint_descriptor *epd; 321 int err; 322 323 alts = &iface->altsetting[0]; 324 altsd = get_iface_desc(alts); 325 326 /* must have at least one bulk/interrupt endpoint for streaming */ 327 if (altsd->bNumEndpoints < 1) 328 return -ENODEV; 329 epd = get_endpoint(alts, 0); 330 if (!usb_endpoint_xfer_bulk(epd) && 331 !usb_endpoint_xfer_int(epd)) 332 return -ENODEV; 333 334 switch (USB_ID_VENDOR(chip->usb_id)) { 335 case 0x0499: /* Yamaha */ 336 err = create_yamaha_midi_quirk(chip, iface, driver, alts); 337 if (err != -ENODEV) 338 return err; 339 break; 340 case 0x0582: /* Roland */ 341 err = create_roland_midi_quirk(chip, iface, driver, alts); 342 if (err != -ENODEV) 343 return err; 344 break; 345 } 346 347 return create_std_midi_quirk(chip, iface, driver, alts); 348 } 349 350 static int create_autodetect_quirk(struct snd_usb_audio *chip, 351 struct usb_interface *iface, 352 struct usb_driver *driver) 353 { 354 int err; 355 356 err = create_auto_pcm_quirk(chip, iface, driver); 357 if (err == -ENODEV) 358 err = create_auto_midi_quirk(chip, iface, driver); 359 return err; 360 } 361 362 static int create_autodetect_quirks(struct snd_usb_audio *chip, 363 struct usb_interface *iface, 364 struct usb_driver *driver, 365 const struct snd_usb_audio_quirk *quirk) 366 { 367 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 368 int ifcount, ifnum, err; 369 370 err = create_autodetect_quirk(chip, iface, driver); 371 if (err < 0) 372 return err; 373 374 /* 375 * ALSA PCM playback/capture devices cannot be registered in two steps, 376 * so we have to claim the other corresponding interface here. 377 */ 378 ifcount = chip->dev->actconfig->desc.bNumInterfaces; 379 for (ifnum = 0; ifnum < ifcount; ifnum++) { 380 if (ifnum == probed_ifnum || quirk->ifnum >= 0) 381 continue; 382 iface = usb_ifnum_to_if(chip->dev, ifnum); 383 if (!iface || 384 usb_interface_claimed(iface) || 385 get_iface_desc(iface->altsetting)->bInterfaceClass != 386 USB_CLASS_VENDOR_SPEC) 387 continue; 388 389 err = create_autodetect_quirk(chip, iface, driver); 390 if (err >= 0) 391 usb_driver_claim_interface(driver, iface, (void *)-1L); 392 } 393 394 return 0; 395 } 396 397 /* 398 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 399 * The only way to detect the sample rate is by looking at wMaxPacketSize. 400 */ 401 static int create_uaxx_quirk(struct snd_usb_audio *chip, 402 struct usb_interface *iface, 403 struct usb_driver *driver, 404 const struct snd_usb_audio_quirk *quirk) 405 { 406 static const struct audioformat ua_format = { 407 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 408 .channels = 2, 409 .fmt_type = UAC_FORMAT_TYPE_I, 410 .altsetting = 1, 411 .altset_idx = 1, 412 .rates = SNDRV_PCM_RATE_CONTINUOUS, 413 }; 414 struct usb_host_interface *alts; 415 struct usb_interface_descriptor *altsd; 416 struct audioformat *fp; 417 int stream, err; 418 419 /* both PCM and MIDI interfaces have 2 or more altsettings */ 420 if (iface->num_altsetting < 2) 421 return -ENXIO; 422 alts = &iface->altsetting[1]; 423 altsd = get_iface_desc(alts); 424 425 if (altsd->bNumEndpoints == 2) { 426 static const struct snd_usb_midi_endpoint_info ua700_ep = { 427 .out_cables = 0x0003, 428 .in_cables = 0x0003 429 }; 430 static const struct snd_usb_audio_quirk ua700_quirk = { 431 .type = QUIRK_MIDI_FIXED_ENDPOINT, 432 .data = &ua700_ep 433 }; 434 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 435 .out_cables = 0x0001, 436 .in_cables = 0x0001 437 }; 438 static const struct snd_usb_audio_quirk uaxx_quirk = { 439 .type = QUIRK_MIDI_FIXED_ENDPOINT, 440 .data = &uaxx_ep 441 }; 442 const struct snd_usb_audio_quirk *quirk = 443 chip->usb_id == USB_ID(0x0582, 0x002b) 444 ? &ua700_quirk : &uaxx_quirk; 445 return __snd_usbmidi_create(chip->card, iface, 446 &chip->midi_list, quirk, 447 chip->usb_id); 448 } 449 450 if (altsd->bNumEndpoints != 1) 451 return -ENXIO; 452 453 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 454 if (!fp) 455 return -ENOMEM; 456 457 fp->iface = altsd->bInterfaceNumber; 458 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 459 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 460 fp->datainterval = 0; 461 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 462 INIT_LIST_HEAD(&fp->list); 463 464 switch (fp->maxpacksize) { 465 case 0x120: 466 fp->rate_max = fp->rate_min = 44100; 467 break; 468 case 0x138: 469 case 0x140: 470 fp->rate_max = fp->rate_min = 48000; 471 break; 472 case 0x258: 473 case 0x260: 474 fp->rate_max = fp->rate_min = 96000; 475 break; 476 default: 477 usb_audio_err(chip, "unknown sample rate\n"); 478 kfree(fp); 479 return -ENXIO; 480 } 481 482 stream = (fp->endpoint & USB_DIR_IN) 483 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 484 err = snd_usb_add_audio_stream(chip, stream, fp); 485 if (err < 0) { 486 list_del(&fp->list); /* unlink for avoiding double-free */ 487 kfree(fp); 488 return err; 489 } 490 usb_set_interface(chip->dev, fp->iface, 0); 491 return 0; 492 } 493 494 /* 495 * Create a standard mixer for the specified interface. 496 */ 497 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 498 struct usb_interface *iface, 499 struct usb_driver *driver, 500 const struct snd_usb_audio_quirk *quirk) 501 { 502 if (quirk->ifnum < 0) 503 return 0; 504 505 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 506 } 507 508 /* 509 * audio-interface quirks 510 * 511 * returns zero if no standard audio/MIDI parsing is needed. 512 * returns a positive value if standard audio/midi interfaces are parsed 513 * after this. 514 * returns a negative value at error. 515 */ 516 int snd_usb_create_quirk(struct snd_usb_audio *chip, 517 struct usb_interface *iface, 518 struct usb_driver *driver, 519 const struct snd_usb_audio_quirk *quirk) 520 { 521 typedef int (*quirk_func_t)(struct snd_usb_audio *, 522 struct usb_interface *, 523 struct usb_driver *, 524 const struct snd_usb_audio_quirk *); 525 static const quirk_func_t quirk_funcs[] = { 526 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 527 [QUIRK_COMPOSITE] = create_composite_quirk, 528 [QUIRK_AUTODETECT] = create_autodetect_quirks, 529 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 530 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 531 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 532 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 533 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 534 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 535 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 536 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 537 [QUIRK_MIDI_CME] = create_any_midi_quirk, 538 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 539 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 540 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 541 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 542 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 543 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 544 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 545 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 546 }; 547 548 if (quirk->type < QUIRK_TYPE_COUNT) { 549 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 550 } else { 551 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 552 return -ENXIO; 553 } 554 } 555 556 /* 557 * boot quirks 558 */ 559 560 #define EXTIGY_FIRMWARE_SIZE_OLD 794 561 #define EXTIGY_FIRMWARE_SIZE_NEW 483 562 563 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 564 { 565 struct usb_host_config *config = dev->actconfig; 566 int err; 567 568 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 569 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 570 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 571 /* Send message to force it to reconnect with full interface. */ 572 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 573 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 574 if (err < 0) 575 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 576 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 577 &dev->descriptor, sizeof(dev->descriptor)); 578 config = dev->actconfig; 579 if (err < 0) 580 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 581 err = usb_reset_configuration(dev); 582 if (err < 0) 583 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 584 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 585 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 586 return -ENODEV; /* quit this anyway */ 587 } 588 return 0; 589 } 590 591 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 592 { 593 u8 buf = 1; 594 595 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 596 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 597 0, 0, &buf, 1); 598 if (buf == 0) { 599 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 600 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 601 1, 2000, NULL, 0); 602 return -ENODEV; 603 } 604 return 0; 605 } 606 607 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 608 { 609 int err; 610 611 if (dev->actconfig->desc.bConfigurationValue == 1) { 612 dev_info(&dev->dev, 613 "Fast Track Pro switching to config #2\n"); 614 /* This function has to be available by the usb core module. 615 * if it is not avialable the boot quirk has to be left out 616 * and the configuration has to be set by udev or hotplug 617 * rules 618 */ 619 err = usb_driver_set_configuration(dev, 2); 620 if (err < 0) 621 dev_dbg(&dev->dev, 622 "error usb_driver_set_configuration: %d\n", 623 err); 624 /* Always return an error, so that we stop creating a device 625 that will just be destroyed and recreated with a new 626 configuration */ 627 return -ENODEV; 628 } else 629 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 630 631 return 0; 632 } 633 634 /* 635 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 636 * documented in the device's data sheet. 637 */ 638 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 639 { 640 u8 buf[4]; 641 buf[0] = 0x20; 642 buf[1] = value & 0xff; 643 buf[2] = (value >> 8) & 0xff; 644 buf[3] = reg; 645 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 646 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 647 0, 0, &buf, 4); 648 } 649 650 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 651 { 652 /* 653 * Enable line-out driver mode, set headphone source to front 654 * channels, enable stereo mic. 655 */ 656 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 657 } 658 659 /* 660 * CM6206 registers from the CM6206 datasheet rev 2.1 661 */ 662 #define CM6206_REG0_DMA_MASTER BIT(15) 663 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12) 664 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12) 665 /* Bit 4 thru 11 is the S/PDIF category code */ 666 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4) 667 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3) 668 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2) 669 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1) 670 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0) 671 672 #define CM6206_REG1_TEST_SEL_CLK BIT(14) 673 #define CM6206_REG1_PLLBIN_EN BIT(13) 674 #define CM6206_REG1_SOFT_MUTE_EN BIT(12) 675 #define CM6206_REG1_GPIO4_OUT BIT(11) 676 #define CM6206_REG1_GPIO4_OE BIT(10) 677 #define CM6206_REG1_GPIO3_OUT BIT(9) 678 #define CM6206_REG1_GPIO3_OE BIT(8) 679 #define CM6206_REG1_GPIO2_OUT BIT(7) 680 #define CM6206_REG1_GPIO2_OE BIT(6) 681 #define CM6206_REG1_GPIO1_OUT BIT(5) 682 #define CM6206_REG1_GPIO1_OE BIT(4) 683 #define CM6206_REG1_SPDIFO_INVALID BIT(3) 684 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2) 685 #define CM6206_REG1_SPDIFO_DIS BIT(1) 686 #define CM6206_REG1_SPDIFI_MIX BIT(0) 687 688 #define CM6206_REG2_DRIVER_ON BIT(15) 689 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13) 690 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13) 691 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13) 692 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13) 693 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12) 694 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11) 695 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10) 696 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9) 697 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8) 698 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7) 699 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6) 700 #define CM6206_REG2_MUTE_CENTER BIT(5) 701 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3) 702 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3) 703 #define CM6206_REG2_EN_BTL BIT(2) 704 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0) 705 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1) 706 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2) 707 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3) 708 709 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */ 710 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11) 711 #define CM6206_REG3_VRAP25EN BIT(10) 712 #define CM6206_REG3_MSEL1 BIT(9) 713 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7) 714 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7) 715 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7) 716 #define CM6206_REG3_PINSEL BIT(6) 717 #define CM6206_REG3_FOE BIT(5) 718 #define CM6206_REG3_ROE BIT(4) 719 #define CM6206_REG3_CBOE BIT(3) 720 #define CM6206_REG3_LOSE BIT(2) 721 #define CM6206_REG3_HPOE BIT(1) 722 #define CM6206_REG3_SPDIFI_CANREC BIT(0) 723 724 #define CM6206_REG5_DA_RSTN BIT(13) 725 #define CM6206_REG5_AD_RSTN BIT(12) 726 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12) 727 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9) 728 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9) 729 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9) 730 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9) 731 #define CM6206_REG5_CODECM BIT(8) 732 #define CM6206_REG5_EN_HPF BIT(7) 733 #define CM6206_REG5_T_SEL_DSDA4 BIT(6) 734 #define CM6206_REG5_T_SEL_DSDA3 BIT(5) 735 #define CM6206_REG5_T_SEL_DSDA2 BIT(4) 736 #define CM6206_REG5_T_SEL_DSDA1 BIT(3) 737 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0 738 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4 739 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5 740 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6 741 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7 742 743 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 744 { 745 int err = 0, reg; 746 int val[] = { 747 /* 748 * Values here are chosen based on sniffing USB traffic 749 * under Windows. 750 * 751 * REG0: DAC is master, sample rate 48kHz, no copyright 752 */ 753 CM6206_REG0_SPDIFO_RATE_48K | 754 CM6206_REG0_SPDIFO_COPYRIGHT_NA, 755 /* 756 * REG1: PLL binary search enable, soft mute enable. 757 */ 758 CM6206_REG1_PLLBIN_EN | 759 CM6206_REG1_SOFT_MUTE_EN, 760 /* 761 * REG2: enable output drivers, 762 * select front channels to the headphone output, 763 * then mute the headphone channels, run the MCU 764 * at 1.5 MHz. 765 */ 766 CM6206_REG2_DRIVER_ON | 767 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS | 768 CM6206_REG2_MUTE_HEADPHONE_RIGHT | 769 CM6206_REG2_MUTE_HEADPHONE_LEFT, 770 /* 771 * REG3: default flyspeed, set 2.5V mic bias 772 * enable all line out ports and enable SPDIF 773 */ 774 CM6206_REG3_FLYSPEED_DEFAULT | 775 CM6206_REG3_VRAP25EN | 776 CM6206_REG3_FOE | 777 CM6206_REG3_ROE | 778 CM6206_REG3_CBOE | 779 CM6206_REG3_LOSE | 780 CM6206_REG3_HPOE | 781 CM6206_REG3_SPDIFI_CANREC, 782 /* REG4 is just a bunch of GPIO lines */ 783 0x0000, 784 /* REG5: de-assert AD/DA reset signals */ 785 CM6206_REG5_DA_RSTN | 786 CM6206_REG5_AD_RSTN }; 787 788 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 789 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 790 if (err < 0) 791 return err; 792 } 793 794 return err; 795 } 796 797 /* quirk for Plantronics GameCom 780 with CM6302 chip */ 798 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 799 { 800 /* set the initial volume and don't change; other values are either 801 * too loud or silent due to firmware bug (bko#65251) 802 */ 803 u8 buf[2] = { 0x74, 0xe3 }; 804 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 805 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 806 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 807 } 808 809 /* 810 * Novation Twitch DJ controller 811 * Focusrite Novation Saffire 6 USB audio card 812 */ 813 static int snd_usb_novation_boot_quirk(struct usb_device *dev) 814 { 815 /* preemptively set up the device because otherwise the 816 * raw MIDI endpoints are not active */ 817 usb_set_interface(dev, 0, 1); 818 return 0; 819 } 820 821 /* 822 * This call will put the synth in "USB send" mode, i.e it will send MIDI 823 * messages through USB (this is disabled at startup). The synth will 824 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 825 * sign on its LCD. Values here are chosen based on sniffing USB traffic 826 * under Windows. 827 */ 828 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 829 { 830 int err, actual_length; 831 832 /* "midi send" enable */ 833 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 834 835 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 836 if (!buf) 837 return -ENOMEM; 838 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 839 ARRAY_SIZE(seq), &actual_length, 1000); 840 kfree(buf); 841 if (err < 0) 842 return err; 843 844 return 0; 845 } 846 847 /* 848 * Some sound cards from Native Instruments are in fact compliant to the USB 849 * audio standard of version 2 and other approved USB standards, even though 850 * they come up as vendor-specific device when first connected. 851 * 852 * However, they can be told to come up with a new set of descriptors 853 * upon their next enumeration, and the interfaces announced by the new 854 * descriptors will then be handled by the kernel's class drivers. As the 855 * product ID will also change, no further checks are required. 856 */ 857 858 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 859 { 860 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 861 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 862 1, 0, NULL, 0, 1000); 863 864 if (ret < 0) 865 return ret; 866 867 usb_reset_device(dev); 868 869 /* return -EAGAIN, so the creation of an audio interface for this 870 * temporary device is aborted. The device will reconnect with a 871 * new product ID */ 872 return -EAGAIN; 873 } 874 875 static void mbox2_setup_48_24_magic(struct usb_device *dev) 876 { 877 u8 srate[3]; 878 u8 temp[12]; 879 880 /* Choose 48000Hz permanently */ 881 srate[0] = 0x80; 882 srate[1] = 0xbb; 883 srate[2] = 0x00; 884 885 /* Send the magic! */ 886 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 887 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 888 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 889 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 890 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 891 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 892 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 893 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 894 return; 895 } 896 897 /* Digidesign Mbox 2 needs to load firmware onboard 898 * and driver must wait a few seconds for initialisation. 899 */ 900 901 #define MBOX2_FIRMWARE_SIZE 646 902 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 903 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 904 905 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 906 { 907 struct usb_host_config *config = dev->actconfig; 908 int err; 909 u8 bootresponse[0x12]; 910 int fwsize; 911 int count; 912 913 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 914 915 if (fwsize != MBOX2_FIRMWARE_SIZE) { 916 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 917 return -ENODEV; 918 } 919 920 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 921 922 count = 0; 923 bootresponse[0] = MBOX2_BOOT_LOADING; 924 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 925 msleep(500); /* 0.5 second delay */ 926 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 927 /* Control magic - load onboard firmware */ 928 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 929 if (bootresponse[0] == MBOX2_BOOT_READY) 930 break; 931 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 932 count++; 933 } 934 935 if (bootresponse[0] != MBOX2_BOOT_READY) { 936 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 937 return -ENODEV; 938 } 939 940 dev_dbg(&dev->dev, "device initialised!\n"); 941 942 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 943 &dev->descriptor, sizeof(dev->descriptor)); 944 config = dev->actconfig; 945 if (err < 0) 946 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 947 948 err = usb_reset_configuration(dev); 949 if (err < 0) 950 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 951 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 952 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 953 954 mbox2_setup_48_24_magic(dev); 955 956 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 957 958 return 0; /* Successful boot */ 959 } 960 961 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev) 962 { 963 int err; 964 965 dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n"); 966 967 /* If the Axe-Fx III has not fully booted, it will timeout when trying 968 * to enable the audio streaming interface. A more generous timeout is 969 * used here to detect when the Axe-Fx III has finished booting as the 970 * set interface message will be acked once it has 971 */ 972 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 973 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, 974 1, 1, NULL, 0, 120000); 975 if (err < 0) { 976 dev_err(&dev->dev, 977 "failed waiting for Axe-Fx III to boot: %d\n", err); 978 return err; 979 } 980 981 dev_dbg(&dev->dev, "Axe-Fx III is now ready\n"); 982 983 err = usb_set_interface(dev, 1, 0); 984 if (err < 0) 985 dev_dbg(&dev->dev, 986 "error stopping Axe-Fx III interface: %d\n", err); 987 988 return 0; 989 } 990 991 992 #define MICROBOOK_BUF_SIZE 128 993 994 static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf, 995 int buf_size, int *length) 996 { 997 int err, actual_length; 998 999 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length, 1000 &actual_length, 1000); 1001 if (err < 0) 1002 return err; 1003 1004 print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1, 1005 buf, actual_length, false); 1006 1007 memset(buf, 0, buf_size); 1008 1009 err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size, 1010 &actual_length, 1000); 1011 if (err < 0) 1012 return err; 1013 1014 print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1, 1015 buf, actual_length, false); 1016 1017 *length = actual_length; 1018 return 0; 1019 } 1020 1021 static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev) 1022 { 1023 int err, actual_length, poll_attempts = 0; 1024 static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00, 1025 0x00, 0x00, 0x0b, 0x14, 1026 0x00, 0x00, 0x00, 0x01 }; 1027 static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00, 1028 0x00, 0x00, 0x0b, 0x18 }; 1029 u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL); 1030 1031 if (!buf) 1032 return -ENOMEM; 1033 1034 dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n"); 1035 1036 /* First we tell the device which sample rate to use. */ 1037 memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq)); 1038 actual_length = sizeof(set_samplerate_seq); 1039 err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE, 1040 &actual_length); 1041 1042 if (err < 0) { 1043 dev_err(&dev->dev, 1044 "failed setting the sample rate for Motu MicroBook II: %d\n", 1045 err); 1046 goto free_buf; 1047 } 1048 1049 /* Then we poll every 100 ms until the device informs of its readiness. */ 1050 while (true) { 1051 if (++poll_attempts > 100) { 1052 dev_err(&dev->dev, 1053 "failed booting Motu MicroBook II: timeout\n"); 1054 err = -ENODEV; 1055 goto free_buf; 1056 } 1057 1058 memset(buf, 0, MICROBOOK_BUF_SIZE); 1059 memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq)); 1060 1061 actual_length = sizeof(poll_ready_seq); 1062 err = snd_usb_motu_microbookii_communicate( 1063 dev, buf, MICROBOOK_BUF_SIZE, &actual_length); 1064 if (err < 0) { 1065 dev_err(&dev->dev, 1066 "failed booting Motu MicroBook II: communication error %d\n", 1067 err); 1068 goto free_buf; 1069 } 1070 1071 /* the device signals its readiness through a message of the 1072 * form 1073 * XX 06 00 00 00 00 0b 18 00 00 00 01 1074 * If the device is not yet ready to accept audio data, the 1075 * last byte of that sequence is 00. 1076 */ 1077 if (actual_length == 12 && buf[actual_length - 1] == 1) 1078 break; 1079 1080 msleep(100); 1081 } 1082 1083 dev_info(&dev->dev, "MOTU MicroBook II ready\n"); 1084 1085 free_buf: 1086 kfree(buf); 1087 return err; 1088 } 1089 1090 /* 1091 * Setup quirks 1092 */ 1093 #define MAUDIO_SET 0x01 /* parse device_setup */ 1094 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 1095 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 1096 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 1097 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 1098 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 1099 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 1100 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 1101 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 1102 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 1103 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 1104 1105 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 1106 int iface, int altno) 1107 { 1108 /* Reset ALL ifaces to 0 altsetting. 1109 * Call it for every possible altsetting of every interface. 1110 */ 1111 usb_set_interface(chip->dev, iface, 0); 1112 if (chip->setup & MAUDIO_SET) { 1113 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 1114 if (iface != 1 && iface != 2) 1115 return 1; /* skip all interfaces but 1 and 2 */ 1116 } else { 1117 unsigned int mask; 1118 if (iface == 1 || iface == 2) 1119 return 1; /* skip interfaces 1 and 2 */ 1120 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1121 return 1; /* skip this altsetting */ 1122 mask = chip->setup & MAUDIO_SET_MASK; 1123 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1124 return 1; /* skip this altsetting */ 1125 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1126 return 1; /* skip this altsetting */ 1127 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 1128 return 1; /* skip this altsetting */ 1129 } 1130 } 1131 usb_audio_dbg(chip, 1132 "using altsetting %d for interface %d config %d\n", 1133 altno, iface, chip->setup); 1134 return 0; /* keep this altsetting */ 1135 } 1136 1137 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 1138 int iface, 1139 int altno) 1140 { 1141 /* Reset ALL ifaces to 0 altsetting. 1142 * Call it for every possible altsetting of every interface. 1143 */ 1144 usb_set_interface(chip->dev, iface, 0); 1145 1146 if (chip->setup & MAUDIO_SET) { 1147 unsigned int mask; 1148 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 1149 return 1; /* skip this altsetting */ 1150 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1151 return 1; /* skip this altsetting */ 1152 mask = chip->setup & MAUDIO_SET_MASK; 1153 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1154 return 1; /* skip this altsetting */ 1155 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1156 return 1; /* skip this altsetting */ 1157 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 1158 return 1; /* skip this altsetting */ 1159 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 1160 return 1; /* skip this altsetting */ 1161 } 1162 1163 return 0; /* keep this altsetting */ 1164 } 1165 1166 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 1167 int iface, int altno) 1168 { 1169 /* Reset ALL ifaces to 0 altsetting. 1170 * Call it for every possible altsetting of every interface. 1171 */ 1172 usb_set_interface(chip->dev, iface, 0); 1173 1174 /* possible configuration where both inputs and only one output is 1175 *used is not supported by the current setup 1176 */ 1177 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 1178 if (chip->setup & MAUDIO_SET_96K) { 1179 if (altno != 3 && altno != 6) 1180 return 1; 1181 } else if (chip->setup & MAUDIO_SET_DI) { 1182 if (iface == 4) 1183 return 1; /* no analog input */ 1184 if (altno != 2 && altno != 5) 1185 return 1; /* enable only altsets 2 and 5 */ 1186 } else { 1187 if (iface == 5) 1188 return 1; /* disable digialt input */ 1189 if (altno != 2 && altno != 5) 1190 return 1; /* enalbe only altsets 2 and 5 */ 1191 } 1192 } else { 1193 /* keep only 16-Bit mode */ 1194 if (altno != 1) 1195 return 1; 1196 } 1197 1198 usb_audio_dbg(chip, 1199 "using altsetting %d for interface %d config %d\n", 1200 altno, iface, chip->setup); 1201 return 0; /* keep this altsetting */ 1202 } 1203 1204 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 1205 int iface, 1206 int altno) 1207 { 1208 /* audiophile usb: skip altsets incompatible with device_setup */ 1209 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 1210 return audiophile_skip_setting_quirk(chip, iface, altno); 1211 /* quattro usb: skip altsets incompatible with device_setup */ 1212 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 1213 return quattro_skip_setting_quirk(chip, iface, altno); 1214 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 1215 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 1216 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 1217 1218 return 0; 1219 } 1220 1221 int snd_usb_apply_boot_quirk(struct usb_device *dev, 1222 struct usb_interface *intf, 1223 const struct snd_usb_audio_quirk *quirk, 1224 unsigned int id) 1225 { 1226 switch (id) { 1227 case USB_ID(0x041e, 0x3000): 1228 /* SB Extigy needs special boot-up sequence */ 1229 /* if more models come, this will go to the quirk list. */ 1230 return snd_usb_extigy_boot_quirk(dev, intf); 1231 1232 case USB_ID(0x041e, 0x3020): 1233 /* SB Audigy 2 NX needs its own boot-up magic, too */ 1234 return snd_usb_audigy2nx_boot_quirk(dev); 1235 1236 case USB_ID(0x10f5, 0x0200): 1237 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 1238 return snd_usb_cm106_boot_quirk(dev); 1239 1240 case USB_ID(0x0d8c, 0x0102): 1241 /* C-Media CM6206 / CM106-Like Sound Device */ 1242 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1243 return snd_usb_cm6206_boot_quirk(dev); 1244 1245 case USB_ID(0x0dba, 0x3000): 1246 /* Digidesign Mbox 2 */ 1247 return snd_usb_mbox2_boot_quirk(dev); 1248 1249 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1250 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1251 return snd_usb_novation_boot_quirk(dev); 1252 1253 case USB_ID(0x133e, 0x0815): 1254 /* Access Music VirusTI Desktop */ 1255 return snd_usb_accessmusic_boot_quirk(dev); 1256 1257 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1258 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1259 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1260 return snd_usb_nativeinstruments_boot_quirk(dev); 1261 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1262 return snd_usb_fasttrackpro_boot_quirk(dev); 1263 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1264 return snd_usb_gamecon780_boot_quirk(dev); 1265 case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */ 1266 return snd_usb_axefx3_boot_quirk(dev); 1267 case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */ 1268 return snd_usb_motu_microbookii_boot_quirk(dev); 1269 } 1270 1271 return 0; 1272 } 1273 1274 /* 1275 * check if the device uses big-endian samples 1276 */ 1277 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1278 { 1279 /* it depends on altsetting whether the device is big-endian or not */ 1280 switch (chip->usb_id) { 1281 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1282 if (fp->altsetting == 2 || fp->altsetting == 3 || 1283 fp->altsetting == 5 || fp->altsetting == 6) 1284 return 1; 1285 break; 1286 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1287 if (chip->setup == 0x00 || 1288 fp->altsetting == 1 || fp->altsetting == 2 || 1289 fp->altsetting == 3) 1290 return 1; 1291 break; 1292 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1293 if (fp->altsetting == 2 || fp->altsetting == 3 || 1294 fp->altsetting == 5 || fp->altsetting == 6) 1295 return 1; 1296 break; 1297 } 1298 return 0; 1299 } 1300 1301 /* 1302 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1303 * not for interface. 1304 */ 1305 1306 enum { 1307 EMU_QUIRK_SR_44100HZ = 0, 1308 EMU_QUIRK_SR_48000HZ, 1309 EMU_QUIRK_SR_88200HZ, 1310 EMU_QUIRK_SR_96000HZ, 1311 EMU_QUIRK_SR_176400HZ, 1312 EMU_QUIRK_SR_192000HZ 1313 }; 1314 1315 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1316 struct audioformat *fmt) 1317 { 1318 unsigned char emu_samplerate_id = 0; 1319 1320 /* When capture is active 1321 * sample rate shouldn't be changed 1322 * by playback substream 1323 */ 1324 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1325 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1326 return; 1327 } 1328 1329 switch (fmt->rate_min) { 1330 case 48000: 1331 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1332 break; 1333 case 88200: 1334 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1335 break; 1336 case 96000: 1337 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1338 break; 1339 case 176400: 1340 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1341 break; 1342 case 192000: 1343 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1344 break; 1345 default: 1346 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1347 break; 1348 } 1349 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1350 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1351 } 1352 1353 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1354 struct audioformat *fmt) 1355 { 1356 switch (subs->stream->chip->usb_id) { 1357 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1358 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1359 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1360 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1361 set_format_emu_quirk(subs, fmt); 1362 break; 1363 } 1364 } 1365 1366 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1367 { 1368 /* devices which do not support reading the sample rate. */ 1369 switch (chip->usb_id) { 1370 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */ 1371 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1372 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1373 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */ 1374 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1375 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */ 1376 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */ 1377 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1378 return true; 1379 } 1380 1381 /* devices of these vendors don't support reading rate, either */ 1382 switch (USB_ID_VENDOR(chip->usb_id)) { 1383 case 0x045E: /* MS Lifecam */ 1384 case 0x047F: /* Plantronics */ 1385 case 0x1de7: /* Phoenix Audio */ 1386 return true; 1387 } 1388 1389 return false; 1390 } 1391 1392 /* ITF-USB DSD based DACs need a vendor cmd to switch 1393 * between PCM and native DSD mode 1394 */ 1395 static bool is_itf_usb_dsd_dac(unsigned int id) 1396 { 1397 switch (id) { 1398 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1399 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1400 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1401 case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */ 1402 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */ 1403 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */ 1404 case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */ 1405 return true; 1406 } 1407 return false; 1408 } 1409 1410 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1411 struct audioformat *fmt) 1412 { 1413 struct usb_device *dev = subs->dev; 1414 int err; 1415 1416 if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) { 1417 /* First switch to alt set 0, otherwise the mode switch cmd 1418 * will not be accepted by the DAC 1419 */ 1420 err = usb_set_interface(dev, fmt->iface, 0); 1421 if (err < 0) 1422 return err; 1423 1424 msleep(20); /* Delay needed after setting the interface */ 1425 1426 /* Vendor mode switch cmd is required. */ 1427 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) { 1428 /* DSD mode (DSD_U32) requested */ 1429 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1430 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1431 1, 1, NULL, 0); 1432 if (err < 0) 1433 return err; 1434 1435 } else { 1436 /* PCM or DOP mode (S32) requested */ 1437 /* PCM mode (S16) requested */ 1438 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1439 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1440 0, 1, NULL, 0); 1441 if (err < 0) 1442 return err; 1443 1444 } 1445 msleep(20); 1446 } 1447 return 0; 1448 } 1449 1450 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1451 { 1452 /* 1453 * "Playback Design" products send bogus feedback data at the start 1454 * of the stream. Ignore them. 1455 */ 1456 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1457 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1458 ep->skip_packets = 4; 1459 1460 /* 1461 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1462 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1463 * the stream is (re)started. When skipping packets 16 at endpoint 1464 * start up, the real world latency is stable within +/- 1 frame (also 1465 * across power cycles). 1466 */ 1467 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1468 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1469 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1470 ep->skip_packets = 16; 1471 1472 /* Work around devices that report unreasonable feedback data */ 1473 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */ 1474 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */ 1475 ep->syncmaxsize == 4) 1476 ep->tenor_fb_quirk = 1; 1477 } 1478 1479 void snd_usb_set_interface_quirk(struct usb_device *dev) 1480 { 1481 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1482 1483 if (!chip) 1484 return; 1485 /* 1486 * "Playback Design" products need a 50ms delay after setting the 1487 * USB interface. 1488 */ 1489 switch (USB_ID_VENDOR(chip->usb_id)) { 1490 case 0x23ba: /* Playback Design */ 1491 case 0x0644: /* TEAC Corp. */ 1492 msleep(50); 1493 break; 1494 } 1495 } 1496 1497 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1498 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1499 __u8 request, __u8 requesttype, __u16 value, 1500 __u16 index, void *data, __u16 size) 1501 { 1502 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1503 1504 if (!chip) 1505 return; 1506 /* 1507 * "Playback Design" products need a 20ms delay after each 1508 * class compliant request 1509 */ 1510 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1511 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1512 msleep(20); 1513 1514 /* 1515 * "TEAC Corp." products need a 20ms delay after each 1516 * class compliant request 1517 */ 1518 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1519 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1520 msleep(20); 1521 1522 /* ITF-USB DSD based DACs functionality need a delay 1523 * after each class compliant request 1524 */ 1525 if (is_itf_usb_dsd_dac(chip->usb_id) 1526 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1527 msleep(20); 1528 1529 /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here, 1530 * otherwise requests like get/set frequency return as failed despite 1531 * actually succeeding. 1532 */ 1533 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || 1534 chip->usb_id == USB_ID(0x046d, 0x0a46) || 1535 chip->usb_id == USB_ID(0x0b0e, 0x0349)) && 1536 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1537 usleep_range(1000, 2000); 1538 } 1539 1540 /* 1541 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1542 * augment the PCM format bit-field for DSD types. The UAC standards 1543 * don't have a designated bit field to denote DSD-capable interfaces, 1544 * hence all hardware that is known to support this format has to be 1545 * listed here. 1546 */ 1547 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1548 struct audioformat *fp, 1549 unsigned int sample_bytes) 1550 { 1551 struct usb_interface *iface; 1552 1553 /* Playback Designs */ 1554 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) { 1555 switch (fp->altsetting) { 1556 case 1: 1557 fp->dsd_dop = true; 1558 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1559 case 2: 1560 fp->dsd_bitrev = true; 1561 return SNDRV_PCM_FMTBIT_DSD_U8; 1562 case 3: 1563 fp->dsd_bitrev = true; 1564 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1565 } 1566 } 1567 1568 /* XMOS based USB DACs */ 1569 switch (chip->usb_id) { 1570 case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */ 1571 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */ 1572 case USB_ID(0x22d9, 0x0436): /* OPPO Sonica */ 1573 case USB_ID(0x22d9, 0x0461): /* OPPO UDP-205 */ 1574 case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */ 1575 case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */ 1576 if (fp->altsetting == 2) 1577 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1578 break; 1579 1580 case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */ 1581 case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */ 1582 case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */ 1583 case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */ 1584 case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */ 1585 case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */ 1586 case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */ 1587 case USB_ID(0x22d9, 0x0426): /* OPPO HA-2 */ 1588 case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */ 1589 case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */ 1590 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1591 case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */ 1592 case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */ 1593 case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */ 1594 case USB_ID(0x6b42, 0x0042): /* MSB Technology */ 1595 if (fp->altsetting == 3) 1596 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1597 break; 1598 1599 /* Amanero Combo384 USB based DACs with native DSD support */ 1600 case USB_ID(0x16d0, 0x071a): /* Amanero - Combo384 */ 1601 case USB_ID(0x2ab6, 0x0004): /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */ 1602 case USB_ID(0x2ab6, 0x0005): /* T+A USB HD Audio 1 */ 1603 case USB_ID(0x2ab6, 0x0006): /* T+A USB HD Audio 2 */ 1604 if (fp->altsetting == 2) { 1605 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) { 1606 case 0x199: 1607 return SNDRV_PCM_FMTBIT_DSD_U32_LE; 1608 case 0x19b: 1609 case 0x203: 1610 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1611 default: 1612 break; 1613 } 1614 } 1615 break; 1616 case USB_ID(0x16d0, 0x0a23): 1617 if (fp->altsetting == 2) 1618 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1619 break; 1620 1621 default: 1622 break; 1623 } 1624 1625 /* ITF-USB DSD based DACs */ 1626 if (is_itf_usb_dsd_dac(chip->usb_id)) { 1627 iface = usb_ifnum_to_if(chip->dev, fp->iface); 1628 1629 /* Altsetting 2 support native DSD if the num of altsets is 1630 * three (0-2), 1631 * Altsetting 3 support native DSD if the num of altsets is 1632 * four (0-3). 1633 */ 1634 if (fp->altsetting == iface->num_altsetting - 1) 1635 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1636 } 1637 1638 /* Mostly generic method to detect many DSD-capable implementations - 1639 * from XMOS/Thesycon 1640 */ 1641 switch (USB_ID_VENDOR(chip->usb_id)) { 1642 case 0x20b1: /* XMOS based devices */ 1643 case 0x152a: /* Thesycon devices */ 1644 case 0x25ce: /* Mytek devices */ 1645 case 0x2ab6: /* T+A devices */ 1646 if (fp->dsd_raw) 1647 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1648 break; 1649 default: 1650 break; 1651 1652 } 1653 1654 return 0; 1655 } 1656 1657 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip, 1658 struct audioformat *fp, 1659 int stream) 1660 { 1661 switch (chip->usb_id) { 1662 case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */ 1663 /* Optoplay sets the sample rate attribute although 1664 * it seems not supporting it in fact. 1665 */ 1666 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE; 1667 break; 1668 case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */ 1669 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1670 /* doesn't set the sample rate attribute, but supports it */ 1671 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE; 1672 break; 1673 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */ 1674 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1675 case USB_ID(0x047f, 0x0ca1): /* plantronics headset */ 1676 case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is 1677 an older model 77d:223) */ 1678 /* 1679 * plantronics headset and Griffin iMic have set adaptive-in 1680 * although it's really not... 1681 */ 1682 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE; 1683 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 1684 fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE; 1685 else 1686 fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC; 1687 break; 1688 } 1689 } 1690