2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 #include <linux/init.h>
18 #include <linux/slab.h>
19 #include <linux/usb.h>
20 #include <linux/usb/audio.h>
21 #include <linux/usb/midi.h>
23 #include <sound/control.h>
24 #include <sound/core.h>
25 #include <sound/info.h>
26 #include <sound/pcm.h>
31 #include "mixer_quirks.h"
41 * handle the quirks for the contained interfaces
43 static int create_composite_quirk(struct snd_usb_audio
*chip
,
44 struct usb_interface
*iface
,
45 struct usb_driver
*driver
,
46 const struct snd_usb_audio_quirk
*quirk_comp
)
48 int probed_ifnum
= get_iface_desc(iface
->altsetting
)->bInterfaceNumber
;
49 const struct snd_usb_audio_quirk
*quirk
;
52 for (quirk
= quirk_comp
->data
; quirk
->ifnum
>= 0; ++quirk
) {
53 iface
= usb_ifnum_to_if(chip
->dev
, quirk
->ifnum
);
56 if (quirk
->ifnum
!= probed_ifnum
&&
57 usb_interface_claimed(iface
))
59 err
= snd_usb_create_quirk(chip
, iface
, driver
, quirk
);
64 for (quirk
= quirk_comp
->data
; quirk
->ifnum
>= 0; ++quirk
) {
65 iface
= usb_ifnum_to_if(chip
->dev
, quirk
->ifnum
);
68 if (quirk
->ifnum
!= probed_ifnum
&&
69 !usb_interface_claimed(iface
))
70 usb_driver_claim_interface(driver
, iface
, (void *)-1L);
76 static int ignore_interface_quirk(struct snd_usb_audio
*chip
,
77 struct usb_interface
*iface
,
78 struct usb_driver
*driver
,
79 const struct snd_usb_audio_quirk
*quirk
)
86 * Allow alignment on audio sub-slot (channel samples) rather than
87 * on audio slots (audio frames)
89 static int create_align_transfer_quirk(struct snd_usb_audio
*chip
,
90 struct usb_interface
*iface
,
91 struct usb_driver
*driver
,
92 const struct snd_usb_audio_quirk
*quirk
)
95 return 1; /* Continue with creating streams and mixer */
98 static int create_any_midi_quirk(struct snd_usb_audio
*chip
,
99 struct usb_interface
*intf
,
100 struct usb_driver
*driver
,
101 const struct snd_usb_audio_quirk
*quirk
)
103 return snd_usbmidi_create(chip
->card
, intf
, &chip
->midi_list
, quirk
);
107 * create a stream for an interface with proper descriptors
109 static int create_standard_audio_quirk(struct snd_usb_audio
*chip
,
110 struct usb_interface
*iface
,
111 struct usb_driver
*driver
,
112 const struct snd_usb_audio_quirk
*quirk
)
114 struct usb_host_interface
*alts
;
115 struct usb_interface_descriptor
*altsd
;
118 if (chip
->usb_id
== USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */
119 chip
->tx_length_quirk
= 1;
121 alts
= &iface
->altsetting
[0];
122 altsd
= get_iface_desc(alts
);
123 err
= snd_usb_parse_audio_interface(chip
, altsd
->bInterfaceNumber
);
125 usb_audio_err(chip
, "cannot setup if %d: error %d\n",
126 altsd
->bInterfaceNumber
, err
);
129 /* reset the current interface */
130 usb_set_interface(chip
->dev
, altsd
->bInterfaceNumber
, 0);
135 * create a stream for an endpoint/altsetting without proper descriptors
137 static int create_fixed_stream_quirk(struct snd_usb_audio
*chip
,
138 struct usb_interface
*iface
,
139 struct usb_driver
*driver
,
140 const struct snd_usb_audio_quirk
*quirk
)
142 struct audioformat
*fp
;
143 struct usb_host_interface
*alts
;
144 struct usb_interface_descriptor
*altsd
;
146 unsigned *rate_table
= NULL
;
148 fp
= kmemdup(quirk
->data
, sizeof(*fp
), GFP_KERNEL
);
150 usb_audio_err(chip
, "cannot memdup\n");
153 INIT_LIST_HEAD(&fp
->list
);
154 if (fp
->nr_rates
> MAX_NR_RATES
) {
158 if (fp
->nr_rates
> 0) {
159 rate_table
= kmemdup(fp
->rate_table
,
160 sizeof(int) * fp
->nr_rates
, GFP_KERNEL
);
165 fp
->rate_table
= rate_table
;
168 stream
= (fp
->endpoint
& USB_DIR_IN
)
169 ? SNDRV_PCM_STREAM_CAPTURE
: SNDRV_PCM_STREAM_PLAYBACK
;
170 err
= snd_usb_add_audio_stream(chip
, stream
, fp
);
173 if (fp
->iface
!= get_iface_desc(&iface
->altsetting
[0])->bInterfaceNumber
||
174 fp
->altset_idx
>= iface
->num_altsetting
) {
178 alts
= &iface
->altsetting
[fp
->altset_idx
];
179 altsd
= get_iface_desc(alts
);
180 if (altsd
->bNumEndpoints
< 1) {
185 fp
->protocol
= altsd
->bInterfaceProtocol
;
187 if (fp
->datainterval
== 0)
188 fp
->datainterval
= snd_usb_parse_datainterval(chip
, alts
);
189 if (fp
->maxpacksize
== 0)
190 fp
->maxpacksize
= le16_to_cpu(get_endpoint(alts
, 0)->wMaxPacketSize
);
191 usb_set_interface(chip
->dev
, fp
->iface
, 0);
192 snd_usb_init_pitch(chip
, fp
->iface
, alts
, fp
);
193 snd_usb_init_sample_rate(chip
, fp
->iface
, alts
, fp
, fp
->rate_max
);
197 list_del(&fp
->list
); /* unlink for avoiding double-free */
203 static int create_auto_pcm_quirk(struct snd_usb_audio
*chip
,
204 struct usb_interface
*iface
,
205 struct usb_driver
*driver
)
207 struct usb_host_interface
*alts
;
208 struct usb_interface_descriptor
*altsd
;
209 struct usb_endpoint_descriptor
*epd
;
210 struct uac1_as_header_descriptor
*ashd
;
211 struct uac_format_type_i_discrete_descriptor
*fmtd
;
214 * Most Roland/Yamaha audio streaming interfaces have more or less
215 * standard descriptors, but older devices might lack descriptors, and
216 * future ones might change, so ensure that we fail silently if the
217 * interface doesn't look exactly right.
220 /* must have a non-zero altsetting for streaming */
221 if (iface
->num_altsetting
< 2)
223 alts
= &iface
->altsetting
[1];
224 altsd
= get_iface_desc(alts
);
226 /* must have an isochronous endpoint for streaming */
227 if (altsd
->bNumEndpoints
< 1)
229 epd
= get_endpoint(alts
, 0);
230 if (!usb_endpoint_xfer_isoc(epd
))
233 /* must have format descriptors */
234 ashd
= snd_usb_find_csint_desc(alts
->extra
, alts
->extralen
, NULL
,
236 fmtd
= snd_usb_find_csint_desc(alts
->extra
, alts
->extralen
, NULL
,
238 if (!ashd
|| ashd
->bLength
< 7 ||
239 !fmtd
|| fmtd
->bLength
< 8)
242 return create_standard_audio_quirk(chip
, iface
, driver
, NULL
);
245 static int create_yamaha_midi_quirk(struct snd_usb_audio
*chip
,
246 struct usb_interface
*iface
,
247 struct usb_driver
*driver
,
248 struct usb_host_interface
*alts
)
250 static const struct snd_usb_audio_quirk yamaha_midi_quirk
= {
251 .type
= QUIRK_MIDI_YAMAHA
253 struct usb_midi_in_jack_descriptor
*injd
;
254 struct usb_midi_out_jack_descriptor
*outjd
;
256 /* must have some valid jack descriptors */
257 injd
= snd_usb_find_csint_desc(alts
->extra
, alts
->extralen
,
258 NULL
, USB_MS_MIDI_IN_JACK
);
259 outjd
= snd_usb_find_csint_desc(alts
->extra
, alts
->extralen
,
260 NULL
, USB_MS_MIDI_OUT_JACK
);
263 if (injd
&& (injd
->bLength
< 5 ||
264 (injd
->bJackType
!= USB_MS_EMBEDDED
&&
265 injd
->bJackType
!= USB_MS_EXTERNAL
)))
267 if (outjd
&& (outjd
->bLength
< 6 ||
268 (outjd
->bJackType
!= USB_MS_EMBEDDED
&&
269 outjd
->bJackType
!= USB_MS_EXTERNAL
)))
271 return create_any_midi_quirk(chip
, iface
, driver
, &yamaha_midi_quirk
);
274 static int create_roland_midi_quirk(struct snd_usb_audio
*chip
,
275 struct usb_interface
*iface
,
276 struct usb_driver
*driver
,
277 struct usb_host_interface
*alts
)
279 static const struct snd_usb_audio_quirk roland_midi_quirk
= {
280 .type
= QUIRK_MIDI_ROLAND
282 u8
*roland_desc
= NULL
;
284 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
286 roland_desc
= snd_usb_find_csint_desc(alts
->extra
,
291 if (roland_desc
[0] < 6 || roland_desc
[3] != 2)
293 return create_any_midi_quirk(chip
, iface
, driver
,
298 static int create_std_midi_quirk(struct snd_usb_audio
*chip
,
299 struct usb_interface
*iface
,
300 struct usb_driver
*driver
,
301 struct usb_host_interface
*alts
)
303 struct usb_ms_header_descriptor
*mshd
;
304 struct usb_ms_endpoint_descriptor
*msepd
;
306 /* must have the MIDIStreaming interface header descriptor*/
307 mshd
= (struct usb_ms_header_descriptor
*)alts
->extra
;
308 if (alts
->extralen
< 7 ||
310 mshd
->bDescriptorType
!= USB_DT_CS_INTERFACE
||
311 mshd
->bDescriptorSubtype
!= USB_MS_HEADER
)
313 /* must have the MIDIStreaming endpoint descriptor*/
314 msepd
= (struct usb_ms_endpoint_descriptor
*)alts
->endpoint
[0].extra
;
315 if (alts
->endpoint
[0].extralen
< 4 ||
316 msepd
->bLength
< 4 ||
317 msepd
->bDescriptorType
!= USB_DT_CS_ENDPOINT
||
318 msepd
->bDescriptorSubtype
!= UAC_MS_GENERAL
||
319 msepd
->bNumEmbMIDIJack
< 1 ||
320 msepd
->bNumEmbMIDIJack
> 16)
323 return create_any_midi_quirk(chip
, iface
, driver
, NULL
);
326 static int create_auto_midi_quirk(struct snd_usb_audio
*chip
,
327 struct usb_interface
*iface
,
328 struct usb_driver
*driver
)
330 struct usb_host_interface
*alts
;
331 struct usb_interface_descriptor
*altsd
;
332 struct usb_endpoint_descriptor
*epd
;
335 alts
= &iface
->altsetting
[0];
336 altsd
= get_iface_desc(alts
);
338 /* must have at least one bulk/interrupt endpoint for streaming */
339 if (altsd
->bNumEndpoints
< 1)
341 epd
= get_endpoint(alts
, 0);
342 if (!usb_endpoint_xfer_bulk(epd
) &&
343 !usb_endpoint_xfer_int(epd
))
346 switch (USB_ID_VENDOR(chip
->usb_id
)) {
347 case 0x0499: /* Yamaha */
348 err
= create_yamaha_midi_quirk(chip
, iface
, driver
, alts
);
352 case 0x0582: /* Roland */
353 err
= create_roland_midi_quirk(chip
, iface
, driver
, alts
);
359 return create_std_midi_quirk(chip
, iface
, driver
, alts
);
362 static int create_autodetect_quirk(struct snd_usb_audio
*chip
,
363 struct usb_interface
*iface
,
364 struct usb_driver
*driver
)
368 err
= create_auto_pcm_quirk(chip
, iface
, driver
);
370 err
= create_auto_midi_quirk(chip
, iface
, driver
);
374 static int create_autodetect_quirks(struct snd_usb_audio
*chip
,
375 struct usb_interface
*iface
,
376 struct usb_driver
*driver
,
377 const struct snd_usb_audio_quirk
*quirk
)
379 int probed_ifnum
= get_iface_desc(iface
->altsetting
)->bInterfaceNumber
;
380 int ifcount
, ifnum
, err
;
382 err
= create_autodetect_quirk(chip
, iface
, driver
);
387 * ALSA PCM playback/capture devices cannot be registered in two steps,
388 * so we have to claim the other corresponding interface here.
390 ifcount
= chip
->dev
->actconfig
->desc
.bNumInterfaces
;
391 for (ifnum
= 0; ifnum
< ifcount
; ifnum
++) {
392 if (ifnum
== probed_ifnum
|| quirk
->ifnum
>= 0)
394 iface
= usb_ifnum_to_if(chip
->dev
, ifnum
);
396 usb_interface_claimed(iface
) ||
397 get_iface_desc(iface
->altsetting
)->bInterfaceClass
!=
398 USB_CLASS_VENDOR_SPEC
)
401 err
= create_autodetect_quirk(chip
, iface
, driver
);
403 usb_driver_claim_interface(driver
, iface
, (void *)-1L);
410 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
411 * The only way to detect the sample rate is by looking at wMaxPacketSize.
413 static int create_uaxx_quirk(struct snd_usb_audio
*chip
,
414 struct usb_interface
*iface
,
415 struct usb_driver
*driver
,
416 const struct snd_usb_audio_quirk
*quirk
)
418 static const struct audioformat ua_format
= {
419 .formats
= SNDRV_PCM_FMTBIT_S24_3LE
,
421 .fmt_type
= UAC_FORMAT_TYPE_I
,
424 .rates
= SNDRV_PCM_RATE_CONTINUOUS
,
426 struct usb_host_interface
*alts
;
427 struct usb_interface_descriptor
*altsd
;
428 struct audioformat
*fp
;
431 /* both PCM and MIDI interfaces have 2 or more altsettings */
432 if (iface
->num_altsetting
< 2)
434 alts
= &iface
->altsetting
[1];
435 altsd
= get_iface_desc(alts
);
437 if (altsd
->bNumEndpoints
== 2) {
438 static const struct snd_usb_midi_endpoint_info ua700_ep
= {
439 .out_cables
= 0x0003,
442 static const struct snd_usb_audio_quirk ua700_quirk
= {
443 .type
= QUIRK_MIDI_FIXED_ENDPOINT
,
446 static const struct snd_usb_midi_endpoint_info uaxx_ep
= {
447 .out_cables
= 0x0001,
450 static const struct snd_usb_audio_quirk uaxx_quirk
= {
451 .type
= QUIRK_MIDI_FIXED_ENDPOINT
,
454 const struct snd_usb_audio_quirk
*quirk
=
455 chip
->usb_id
== USB_ID(0x0582, 0x002b)
456 ? &ua700_quirk
: &uaxx_quirk
;
457 return snd_usbmidi_create(chip
->card
, iface
,
458 &chip
->midi_list
, quirk
);
461 if (altsd
->bNumEndpoints
!= 1)
464 fp
= kmemdup(&ua_format
, sizeof(*fp
), GFP_KERNEL
);
468 fp
->iface
= altsd
->bInterfaceNumber
;
469 fp
->endpoint
= get_endpoint(alts
, 0)->bEndpointAddress
;
470 fp
->ep_attr
= get_endpoint(alts
, 0)->bmAttributes
;
471 fp
->datainterval
= 0;
472 fp
->maxpacksize
= le16_to_cpu(get_endpoint(alts
, 0)->wMaxPacketSize
);
473 INIT_LIST_HEAD(&fp
->list
);
475 switch (fp
->maxpacksize
) {
477 fp
->rate_max
= fp
->rate_min
= 44100;
481 fp
->rate_max
= fp
->rate_min
= 48000;
485 fp
->rate_max
= fp
->rate_min
= 96000;
488 usb_audio_err(chip
, "unknown sample rate\n");
493 stream
= (fp
->endpoint
& USB_DIR_IN
)
494 ? SNDRV_PCM_STREAM_CAPTURE
: SNDRV_PCM_STREAM_PLAYBACK
;
495 err
= snd_usb_add_audio_stream(chip
, stream
, fp
);
497 list_del(&fp
->list
); /* unlink for avoiding double-free */
501 usb_set_interface(chip
->dev
, fp
->iface
, 0);
506 * Create a standard mixer for the specified interface.
508 static int create_standard_mixer_quirk(struct snd_usb_audio
*chip
,
509 struct usb_interface
*iface
,
510 struct usb_driver
*driver
,
511 const struct snd_usb_audio_quirk
*quirk
)
513 if (quirk
->ifnum
< 0)
516 return snd_usb_create_mixer(chip
, quirk
->ifnum
, 0);
520 * audio-interface quirks
522 * returns zero if no standard audio/MIDI parsing is needed.
523 * returns a positive value if standard audio/midi interfaces are parsed
525 * returns a negative value at error.
527 int snd_usb_create_quirk(struct snd_usb_audio
*chip
,
528 struct usb_interface
*iface
,
529 struct usb_driver
*driver
,
530 const struct snd_usb_audio_quirk
*quirk
)
532 typedef int (*quirk_func_t
)(struct snd_usb_audio
*,
533 struct usb_interface
*,
535 const struct snd_usb_audio_quirk
*);
536 static const quirk_func_t quirk_funcs
[] = {
537 [QUIRK_IGNORE_INTERFACE
] = ignore_interface_quirk
,
538 [QUIRK_COMPOSITE
] = create_composite_quirk
,
539 [QUIRK_AUTODETECT
] = create_autodetect_quirks
,
540 [QUIRK_MIDI_STANDARD_INTERFACE
] = create_any_midi_quirk
,
541 [QUIRK_MIDI_FIXED_ENDPOINT
] = create_any_midi_quirk
,
542 [QUIRK_MIDI_YAMAHA
] = create_any_midi_quirk
,
543 [QUIRK_MIDI_ROLAND
] = create_any_midi_quirk
,
544 [QUIRK_MIDI_MIDIMAN
] = create_any_midi_quirk
,
545 [QUIRK_MIDI_NOVATION
] = create_any_midi_quirk
,
546 [QUIRK_MIDI_RAW_BYTES
] = create_any_midi_quirk
,
547 [QUIRK_MIDI_EMAGIC
] = create_any_midi_quirk
,
548 [QUIRK_MIDI_CME
] = create_any_midi_quirk
,
549 [QUIRK_MIDI_AKAI
] = create_any_midi_quirk
,
550 [QUIRK_MIDI_FTDI
] = create_any_midi_quirk
,
551 [QUIRK_MIDI_CH345
] = create_any_midi_quirk
,
552 [QUIRK_AUDIO_STANDARD_INTERFACE
] = create_standard_audio_quirk
,
553 [QUIRK_AUDIO_FIXED_ENDPOINT
] = create_fixed_stream_quirk
,
554 [QUIRK_AUDIO_EDIROL_UAXX
] = create_uaxx_quirk
,
555 [QUIRK_AUDIO_ALIGN_TRANSFER
] = create_align_transfer_quirk
,
556 [QUIRK_AUDIO_STANDARD_MIXER
] = create_standard_mixer_quirk
,
559 if (quirk
->type
< QUIRK_TYPE_COUNT
) {
560 return quirk_funcs
[quirk
->type
](chip
, iface
, driver
, quirk
);
562 usb_audio_err(chip
, "invalid quirk type %d\n", quirk
->type
);
571 #define EXTIGY_FIRMWARE_SIZE_OLD 794
572 #define EXTIGY_FIRMWARE_SIZE_NEW 483
574 static int snd_usb_extigy_boot_quirk(struct usb_device
*dev
, struct usb_interface
*intf
)
576 struct usb_host_config
*config
= dev
->actconfig
;
579 if (le16_to_cpu(get_cfg_desc(config
)->wTotalLength
) == EXTIGY_FIRMWARE_SIZE_OLD
||
580 le16_to_cpu(get_cfg_desc(config
)->wTotalLength
) == EXTIGY_FIRMWARE_SIZE_NEW
) {
581 dev_dbg(&dev
->dev
, "sending Extigy boot sequence...\n");
582 /* Send message to force it to reconnect with full interface. */
583 err
= snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
,0),
584 0x10, 0x43, 0x0001, 0x000a, NULL
, 0);
586 dev_dbg(&dev
->dev
, "error sending boot message: %d\n", err
);
587 err
= usb_get_descriptor(dev
, USB_DT_DEVICE
, 0,
588 &dev
->descriptor
, sizeof(dev
->descriptor
));
589 config
= dev
->actconfig
;
591 dev_dbg(&dev
->dev
, "error usb_get_descriptor: %d\n", err
);
592 err
= usb_reset_configuration(dev
);
594 dev_dbg(&dev
->dev
, "error usb_reset_configuration: %d\n", err
);
595 dev_dbg(&dev
->dev
, "extigy_boot: new boot length = %d\n",
596 le16_to_cpu(get_cfg_desc(config
)->wTotalLength
));
597 return -ENODEV
; /* quit this anyway */
602 static int snd_usb_audigy2nx_boot_quirk(struct usb_device
*dev
)
606 snd_usb_ctl_msg(dev
, usb_rcvctrlpipe(dev
, 0), 0x2a,
607 USB_DIR_IN
| USB_TYPE_VENDOR
| USB_RECIP_OTHER
,
610 snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
, 0), 0x29,
611 USB_DIR_OUT
| USB_TYPE_VENDOR
| USB_RECIP_OTHER
,
618 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device
*dev
)
622 if (dev
->actconfig
->desc
.bConfigurationValue
== 1) {
624 "Fast Track Pro switching to config #2\n");
625 /* This function has to be available by the usb core module.
626 * if it is not avialable the boot quirk has to be left out
627 * and the configuration has to be set by udev or hotplug
630 err
= usb_driver_set_configuration(dev
, 2);
633 "error usb_driver_set_configuration: %d\n",
635 /* Always return an error, so that we stop creating a device
636 that will just be destroyed and recreated with a new
640 dev_info(&dev
->dev
, "Fast Track Pro config OK\n");
646 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
647 * documented in the device's data sheet.
649 static int snd_usb_cm106_write_int_reg(struct usb_device
*dev
, int reg
, u16 value
)
653 buf
[1] = value
& 0xff;
654 buf
[2] = (value
>> 8) & 0xff;
656 return snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
, 0), USB_REQ_SET_CONFIGURATION
,
657 USB_DIR_OUT
| USB_TYPE_CLASS
| USB_RECIP_ENDPOINT
,
661 static int snd_usb_cm106_boot_quirk(struct usb_device
*dev
)
664 * Enable line-out driver mode, set headphone source to front
665 * channels, enable stereo mic.
667 return snd_usb_cm106_write_int_reg(dev
, 2, 0x8004);
671 * C-Media CM6206 is based on CM106 with two additional
672 * registers that are not documented in the data sheet.
673 * Values here are chosen based on sniffing USB traffic
676 static int snd_usb_cm6206_boot_quirk(struct usb_device
*dev
)
679 int val
[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000};
681 for (reg
= 0; reg
< ARRAY_SIZE(val
); reg
++) {
682 err
= snd_usb_cm106_write_int_reg(dev
, reg
, val
[reg
]);
690 /* quirk for Plantronics GameCom 780 with CM6302 chip */
691 static int snd_usb_gamecon780_boot_quirk(struct usb_device
*dev
)
693 /* set the initial volume and don't change; other values are either
694 * too loud or silent due to firmware bug (bko#65251)
696 u8 buf
[2] = { 0x74, 0xe3 };
697 return snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
, 0), UAC_SET_CUR
,
698 USB_RECIP_INTERFACE
| USB_TYPE_CLASS
| USB_DIR_OUT
,
699 UAC_FU_VOLUME
<< 8, 9 << 8, buf
, 2);
703 * Novation Twitch DJ controller
704 * Focusrite Novation Saffire 6 USB audio card
706 static int snd_usb_novation_boot_quirk(struct usb_device
*dev
)
708 /* preemptively set up the device because otherwise the
709 * raw MIDI endpoints are not active */
710 usb_set_interface(dev
, 0, 1);
715 * This call will put the synth in "USB send" mode, i.e it will send MIDI
716 * messages through USB (this is disabled at startup). The synth will
717 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
718 * sign on its LCD. Values here are chosen based on sniffing USB traffic
721 static int snd_usb_accessmusic_boot_quirk(struct usb_device
*dev
)
723 int err
, actual_length
;
725 /* "midi send" enable */
726 static const u8 seq
[] = { 0x4e, 0x73, 0x52, 0x01 };
728 void *buf
= kmemdup(seq
, ARRAY_SIZE(seq
), GFP_KERNEL
);
731 err
= usb_interrupt_msg(dev
, usb_sndintpipe(dev
, 0x05), buf
,
732 ARRAY_SIZE(seq
), &actual_length
, 1000);
741 * Some sound cards from Native Instruments are in fact compliant to the USB
742 * audio standard of version 2 and other approved USB standards, even though
743 * they come up as vendor-specific device when first connected.
745 * However, they can be told to come up with a new set of descriptors
746 * upon their next enumeration, and the interfaces announced by the new
747 * descriptors will then be handled by the kernel's class drivers. As the
748 * product ID will also change, no further checks are required.
751 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device
*dev
)
753 int ret
= usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0),
754 0xaf, USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
755 1, 0, NULL
, 0, 1000);
760 usb_reset_device(dev
);
762 /* return -EAGAIN, so the creation of an audio interface for this
763 * temporary device is aborted. The device will reconnect with a
768 static void mbox2_setup_48_24_magic(struct usb_device
*dev
)
773 /* Choose 48000Hz permanently */
778 /* Send the magic! */
779 snd_usb_ctl_msg(dev
, usb_rcvctrlpipe(dev
, 0),
780 0x01, 0x22, 0x0100, 0x0085, &temp
, 0x0003);
781 snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
, 0),
782 0x81, 0xa2, 0x0100, 0x0085, &srate
, 0x0003);
783 snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
, 0),
784 0x81, 0xa2, 0x0100, 0x0086, &srate
, 0x0003);
785 snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
, 0),
786 0x81, 0xa2, 0x0100, 0x0003, &srate
, 0x0003);
790 /* Digidesign Mbox 2 needs to load firmware onboard
791 * and driver must wait a few seconds for initialisation.
794 #define MBOX2_FIRMWARE_SIZE 646
795 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */
796 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */
798 static int snd_usb_mbox2_boot_quirk(struct usb_device
*dev
)
800 struct usb_host_config
*config
= dev
->actconfig
;
802 u8 bootresponse
[0x12];
806 fwsize
= le16_to_cpu(get_cfg_desc(config
)->wTotalLength
);
808 if (fwsize
!= MBOX2_FIRMWARE_SIZE
) {
809 dev_err(&dev
->dev
, "Invalid firmware size=%d.\n", fwsize
);
813 dev_dbg(&dev
->dev
, "Sending Digidesign Mbox 2 boot sequence...\n");
816 bootresponse
[0] = MBOX2_BOOT_LOADING
;
817 while ((bootresponse
[0] == MBOX2_BOOT_LOADING
) && (count
< 10)) {
818 msleep(500); /* 0.5 second delay */
819 snd_usb_ctl_msg(dev
, usb_rcvctrlpipe(dev
, 0),
820 /* Control magic - load onboard firmware */
821 0x85, 0xc0, 0x0001, 0x0000, &bootresponse
, 0x0012);
822 if (bootresponse
[0] == MBOX2_BOOT_READY
)
824 dev_dbg(&dev
->dev
, "device not ready, resending boot sequence...\n");
828 if (bootresponse
[0] != MBOX2_BOOT_READY
) {
829 dev_err(&dev
->dev
, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse
[0]);
833 dev_dbg(&dev
->dev
, "device initialised!\n");
835 err
= usb_get_descriptor(dev
, USB_DT_DEVICE
, 0,
836 &dev
->descriptor
, sizeof(dev
->descriptor
));
837 config
= dev
->actconfig
;
839 dev_dbg(&dev
->dev
, "error usb_get_descriptor: %d\n", err
);
841 err
= usb_reset_configuration(dev
);
843 dev_dbg(&dev
->dev
, "error usb_reset_configuration: %d\n", err
);
844 dev_dbg(&dev
->dev
, "mbox2_boot: new boot length = %d\n",
845 le16_to_cpu(get_cfg_desc(config
)->wTotalLength
));
847 mbox2_setup_48_24_magic(dev
);
849 dev_info(&dev
->dev
, "Digidesign Mbox 2: 24bit 48kHz");
851 return 0; /* Successful boot */
857 #define MAUDIO_SET 0x01 /* parse device_setup */
858 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */
859 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */
860 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
861 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
862 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */
863 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */
864 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */
865 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */
866 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */
867 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */
869 static int quattro_skip_setting_quirk(struct snd_usb_audio
*chip
,
870 int iface
, int altno
)
872 /* Reset ALL ifaces to 0 altsetting.
873 * Call it for every possible altsetting of every interface.
875 usb_set_interface(chip
->dev
, iface
, 0);
876 if (chip
->setup
& MAUDIO_SET
) {
877 if (chip
->setup
& MAUDIO_SET_COMPATIBLE
) {
878 if (iface
!= 1 && iface
!= 2)
879 return 1; /* skip all interfaces but 1 and 2 */
882 if (iface
== 1 || iface
== 2)
883 return 1; /* skip interfaces 1 and 2 */
884 if ((chip
->setup
& MAUDIO_SET_96K
) && altno
!= 1)
885 return 1; /* skip this altsetting */
886 mask
= chip
->setup
& MAUDIO_SET_MASK
;
887 if (mask
== MAUDIO_SET_24B_48K_DI
&& altno
!= 2)
888 return 1; /* skip this altsetting */
889 if (mask
== MAUDIO_SET_24B_48K_NOTDI
&& altno
!= 3)
890 return 1; /* skip this altsetting */
891 if (mask
== MAUDIO_SET_16B_48K_NOTDI
&& altno
!= 4)
892 return 1; /* skip this altsetting */
896 "using altsetting %d for interface %d config %d\n",
897 altno
, iface
, chip
->setup
);
898 return 0; /* keep this altsetting */
901 static int audiophile_skip_setting_quirk(struct snd_usb_audio
*chip
,
905 /* Reset ALL ifaces to 0 altsetting.
906 * Call it for every possible altsetting of every interface.
908 usb_set_interface(chip
->dev
, iface
, 0);
910 if (chip
->setup
& MAUDIO_SET
) {
912 if ((chip
->setup
& MAUDIO_SET_DTS
) && altno
!= 6)
913 return 1; /* skip this altsetting */
914 if ((chip
->setup
& MAUDIO_SET_96K
) && altno
!= 1)
915 return 1; /* skip this altsetting */
916 mask
= chip
->setup
& MAUDIO_SET_MASK
;
917 if (mask
== MAUDIO_SET_24B_48K_DI
&& altno
!= 2)
918 return 1; /* skip this altsetting */
919 if (mask
== MAUDIO_SET_24B_48K_NOTDI
&& altno
!= 3)
920 return 1; /* skip this altsetting */
921 if (mask
== MAUDIO_SET_16B_48K_DI
&& altno
!= 4)
922 return 1; /* skip this altsetting */
923 if (mask
== MAUDIO_SET_16B_48K_NOTDI
&& altno
!= 5)
924 return 1; /* skip this altsetting */
927 return 0; /* keep this altsetting */
930 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio
*chip
,
931 int iface
, int altno
)
933 /* Reset ALL ifaces to 0 altsetting.
934 * Call it for every possible altsetting of every interface.
936 usb_set_interface(chip
->dev
, iface
, 0);
938 /* possible configuration where both inputs and only one output is
939 *used is not supported by the current setup
941 if (chip
->setup
& (MAUDIO_SET
| MAUDIO_SET_24B
)) {
942 if (chip
->setup
& MAUDIO_SET_96K
) {
943 if (altno
!= 3 && altno
!= 6)
945 } else if (chip
->setup
& MAUDIO_SET_DI
) {
947 return 1; /* no analog input */
948 if (altno
!= 2 && altno
!= 5)
949 return 1; /* enable only altsets 2 and 5 */
952 return 1; /* disable digialt input */
953 if (altno
!= 2 && altno
!= 5)
954 return 1; /* enalbe only altsets 2 and 5 */
957 /* keep only 16-Bit mode */
963 "using altsetting %d for interface %d config %d\n",
964 altno
, iface
, chip
->setup
);
965 return 0; /* keep this altsetting */
968 int snd_usb_apply_interface_quirk(struct snd_usb_audio
*chip
,
972 /* audiophile usb: skip altsets incompatible with device_setup */
973 if (chip
->usb_id
== USB_ID(0x0763, 0x2003))
974 return audiophile_skip_setting_quirk(chip
, iface
, altno
);
975 /* quattro usb: skip altsets incompatible with device_setup */
976 if (chip
->usb_id
== USB_ID(0x0763, 0x2001))
977 return quattro_skip_setting_quirk(chip
, iface
, altno
);
978 /* fasttrackpro usb: skip altsets incompatible with device_setup */
979 if (chip
->usb_id
== USB_ID(0x0763, 0x2012))
980 return fasttrackpro_skip_setting_quirk(chip
, iface
, altno
);
985 int snd_usb_apply_boot_quirk(struct usb_device
*dev
,
986 struct usb_interface
*intf
,
987 const struct snd_usb_audio_quirk
*quirk
)
989 u32 id
= USB_ID(le16_to_cpu(dev
->descriptor
.idVendor
),
990 le16_to_cpu(dev
->descriptor
.idProduct
));
993 case USB_ID(0x041e, 0x3000):
994 /* SB Extigy needs special boot-up sequence */
995 /* if more models come, this will go to the quirk list. */
996 return snd_usb_extigy_boot_quirk(dev
, intf
);
998 case USB_ID(0x041e, 0x3020):
999 /* SB Audigy 2 NX needs its own boot-up magic, too */
1000 return snd_usb_audigy2nx_boot_quirk(dev
);
1002 case USB_ID(0x10f5, 0x0200):
1003 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1004 return snd_usb_cm106_boot_quirk(dev
);
1006 case USB_ID(0x0d8c, 0x0102):
1007 /* C-Media CM6206 / CM106-Like Sound Device */
1008 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1009 return snd_usb_cm6206_boot_quirk(dev
);
1011 case USB_ID(0x0dba, 0x3000):
1012 /* Digidesign Mbox 2 */
1013 return snd_usb_mbox2_boot_quirk(dev
);
1015 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1016 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1017 return snd_usb_novation_boot_quirk(dev
);
1019 case USB_ID(0x133e, 0x0815):
1020 /* Access Music VirusTI Desktop */
1021 return snd_usb_accessmusic_boot_quirk(dev
);
1023 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1024 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1025 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1026 return snd_usb_nativeinstruments_boot_quirk(dev
);
1027 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
1028 return snd_usb_fasttrackpro_boot_quirk(dev
);
1029 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1030 return snd_usb_gamecon780_boot_quirk(dev
);
1037 * check if the device uses big-endian samples
1039 int snd_usb_is_big_endian_format(struct snd_usb_audio
*chip
, struct audioformat
*fp
)
1041 /* it depends on altsetting whether the device is big-endian or not */
1042 switch (chip
->usb_id
) {
1043 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1044 if (fp
->altsetting
== 2 || fp
->altsetting
== 3 ||
1045 fp
->altsetting
== 5 || fp
->altsetting
== 6)
1048 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1049 if (chip
->setup
== 0x00 ||
1050 fp
->altsetting
== 1 || fp
->altsetting
== 2 ||
1051 fp
->altsetting
== 3)
1054 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1055 if (fp
->altsetting
== 2 || fp
->altsetting
== 3 ||
1056 fp
->altsetting
== 5 || fp
->altsetting
== 6)
1064 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1065 * not for interface.
1069 EMU_QUIRK_SR_44100HZ
= 0,
1070 EMU_QUIRK_SR_48000HZ
,
1071 EMU_QUIRK_SR_88200HZ
,
1072 EMU_QUIRK_SR_96000HZ
,
1073 EMU_QUIRK_SR_176400HZ
,
1074 EMU_QUIRK_SR_192000HZ
1077 static void set_format_emu_quirk(struct snd_usb_substream
*subs
,
1078 struct audioformat
*fmt
)
1080 unsigned char emu_samplerate_id
= 0;
1082 /* When capture is active
1083 * sample rate shouldn't be changed
1084 * by playback substream
1086 if (subs
->direction
== SNDRV_PCM_STREAM_PLAYBACK
) {
1087 if (subs
->stream
->substream
[SNDRV_PCM_STREAM_CAPTURE
].interface
!= -1)
1091 switch (fmt
->rate_min
) {
1093 emu_samplerate_id
= EMU_QUIRK_SR_48000HZ
;
1096 emu_samplerate_id
= EMU_QUIRK_SR_88200HZ
;
1099 emu_samplerate_id
= EMU_QUIRK_SR_96000HZ
;
1102 emu_samplerate_id
= EMU_QUIRK_SR_176400HZ
;
1105 emu_samplerate_id
= EMU_QUIRK_SR_192000HZ
;
1108 emu_samplerate_id
= EMU_QUIRK_SR_44100HZ
;
1111 snd_emuusb_set_samplerate(subs
->stream
->chip
, emu_samplerate_id
);
1112 subs
->pkt_offset_adj
= (emu_samplerate_id
>= EMU_QUIRK_SR_176400HZ
) ? 4 : 0;
1115 void snd_usb_set_format_quirk(struct snd_usb_substream
*subs
,
1116 struct audioformat
*fmt
)
1118 switch (subs
->stream
->chip
->usb_id
) {
1119 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1120 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1121 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1122 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1123 set_format_emu_quirk(subs
, fmt
);
1128 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio
*chip
)
1130 /* devices which do not support reading the sample rate. */
1131 switch (chip
->usb_id
) {
1132 case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
1133 case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
1134 case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
1135 case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
1136 case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
1137 case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
1138 case USB_ID(0x047F, 0x0415): /* Plantronics BT-300 */
1139 case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
1140 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
1141 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
1142 case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */
1143 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
1149 /* Marantz/Denon USB DACs need a vendor cmd to switch
1150 * between PCM and native DSD mode
1152 static bool is_marantz_denon_dac(unsigned int id
)
1155 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
1156 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
1157 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
1163 int snd_usb_select_mode_quirk(struct snd_usb_substream
*subs
,
1164 struct audioformat
*fmt
)
1166 struct usb_device
*dev
= subs
->dev
;
1169 if (is_marantz_denon_dac(subs
->stream
->chip
->usb_id
)) {
1170 /* First switch to alt set 0, otherwise the mode switch cmd
1171 * will not be accepted by the DAC
1173 err
= usb_set_interface(dev
, fmt
->iface
, 0);
1177 mdelay(20); /* Delay needed after setting the interface */
1179 switch (fmt
->altsetting
) {
1180 case 2: /* DSD mode requested */
1181 case 1: /* PCM mode requested */
1182 err
= snd_usb_ctl_msg(dev
, usb_sndctrlpipe(dev
, 0), 0,
1183 USB_DIR_OUT
|USB_TYPE_VENDOR
|USB_RECIP_INTERFACE
,
1184 fmt
->altsetting
- 1, 1, NULL
, 0);
1194 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint
*ep
)
1197 * "Playback Design" products send bogus feedback data at the start
1198 * of the stream. Ignore them.
1200 if ((le16_to_cpu(ep
->chip
->dev
->descriptor
.idVendor
) == 0x23ba) &&
1201 ep
->type
== SND_USB_ENDPOINT_TYPE_SYNC
)
1202 ep
->skip_packets
= 4;
1205 * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1206 * world latency varies by approx. +/- 50 frames (at 96KHz) each time
1207 * the stream is (re)started. When skipping packets 16 at endpoint
1208 * start up, the real world latency is stable within +/- 1 frame (also
1209 * across power cycles).
1211 if ((ep
->chip
->usb_id
== USB_ID(0x0763, 0x2030) ||
1212 ep
->chip
->usb_id
== USB_ID(0x0763, 0x2031)) &&
1213 ep
->type
== SND_USB_ENDPOINT_TYPE_DATA
)
1214 ep
->skip_packets
= 16;
1217 void snd_usb_set_interface_quirk(struct usb_device
*dev
)
1220 * "Playback Design" products need a 50ms delay after setting the
1223 switch (le16_to_cpu(dev
->descriptor
.idVendor
)) {
1224 case 0x23ba: /* Playback Design */
1225 case 0x0644: /* TEAC Corp. */
1231 void snd_usb_ctl_msg_quirk(struct usb_device
*dev
, unsigned int pipe
,
1232 __u8 request
, __u8 requesttype
, __u16 value
,
1233 __u16 index
, void *data
, __u16 size
)
1236 * "Playback Design" products need a 20ms delay after each
1237 * class compliant request
1239 if ((le16_to_cpu(dev
->descriptor
.idVendor
) == 0x23ba) &&
1240 (requesttype
& USB_TYPE_MASK
) == USB_TYPE_CLASS
)
1244 * "TEAC Corp." products need a 20ms delay after each
1245 * class compliant request
1247 if ((le16_to_cpu(dev
->descriptor
.idVendor
) == 0x0644) &&
1248 (requesttype
& USB_TYPE_MASK
) == USB_TYPE_CLASS
)
1251 /* Marantz/Denon devices with USB DAC functionality need a delay
1252 * after each class compliant request
1254 if (is_marantz_denon_dac(USB_ID(le16_to_cpu(dev
->descriptor
.idVendor
),
1255 le16_to_cpu(dev
->descriptor
.idProduct
)))
1256 && (requesttype
& USB_TYPE_MASK
) == USB_TYPE_CLASS
)
1259 /* Zoom R16/24 needs a tiny delay here, otherwise requests like
1260 * get/set frequency return as failed despite actually succeeding.
1262 if ((le16_to_cpu(dev
->descriptor
.idVendor
) == 0x1686) &&
1263 (le16_to_cpu(dev
->descriptor
.idProduct
) == 0x00dd) &&
1264 (requesttype
& USB_TYPE_MASK
) == USB_TYPE_CLASS
)
1269 * snd_usb_interface_dsd_format_quirks() is called from format.c to
1270 * augment the PCM format bit-field for DSD types. The UAC standards
1271 * don't have a designated bit field to denote DSD-capable interfaces,
1272 * hence all hardware that is known to support this format has to be
1275 u64
snd_usb_interface_dsd_format_quirks(struct snd_usb_audio
*chip
,
1276 struct audioformat
*fp
,
1277 unsigned int sample_bytes
)
1279 /* Playback Designs */
1280 if (le16_to_cpu(chip
->dev
->descriptor
.idVendor
) == 0x23ba) {
1281 switch (fp
->altsetting
) {
1284 return SNDRV_PCM_FMTBIT_DSD_U16_LE
;
1286 fp
->dsd_bitrev
= true;
1287 return SNDRV_PCM_FMTBIT_DSD_U8
;
1289 fp
->dsd_bitrev
= true;
1290 return SNDRV_PCM_FMTBIT_DSD_U16_LE
;
1294 /* XMOS based USB DACs */
1295 switch (chip
->usb_id
) {
1296 case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */
1297 case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */
1298 case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */
1299 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */
1300 if (fp
->altsetting
== 2)
1301 return SNDRV_PCM_FMTBIT_DSD_U32_BE
;
1304 case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */
1305 case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */
1306 case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */
1307 case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */
1308 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
1309 if (fp
->altsetting
== 3)
1310 return SNDRV_PCM_FMTBIT_DSD_U32_BE
;
1316 /* Denon/Marantz devices with USB DAC functionality */
1317 if (is_marantz_denon_dac(chip
->usb_id
)) {
1318 if (fp
->altsetting
== 2)
1319 return SNDRV_PCM_FMTBIT_DSD_U32_BE
;