Lines Matching +full:chip +full:- +full:id
1 // SPDX-License-Identifier: GPL-2.0-or-later
15 * - the linked URBs would be preferred but not used so far because of
17 * - type II is not supported properly. there is no device which supports
33 #include <linux/usb/audio-v2.h>
34 #include <linux/usb/audio-v3.h>
65 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
66 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ variable
69 static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
70 static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
82 module_param_array(id, charp, NULL, 0444);
83 MODULE_PARM_DESC(id, "ID string for the USB audio adapter.");
87 MODULE_PARM_DESC(vid, "Vendor ID for the USB audio device.");
89 MODULE_PARM_DESC(pid, "Product ID for the USB audio device.");
96 MODULE_PARM_DESC(autoclock, "Enable auto-clock selection for UAC2 devices (default: yes).");
100 MODULE_PARM_DESC(delayed_register, "Quirk for delayed registration, given by id:iface, e.g. 0123abc…
125 subs = &as->substream[idx]; in snd_usb_stream_disconnect()
126 if (!subs->num_formats) in snd_usb_stream_disconnect()
128 subs->interface = -1; in snd_usb_stream_disconnect()
129 subs->data_endpoint = NULL; in snd_usb_stream_disconnect()
130 subs->sync_endpoint = NULL; in snd_usb_stream_disconnect()
134 static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int interface) in snd_usb_create_stream() argument
136 struct usb_device *dev = chip->dev; in snd_usb_create_stream()
142 dev_err(&dev->dev, "%u:%d : does not exist\n", in snd_usb_create_stream()
144 return -EINVAL; in snd_usb_create_stream()
147 alts = &iface->altsetting[0]; in snd_usb_create_stream()
154 if ((chip->usb_id == USB_ID(0x18d1, 0x2d04) || in snd_usb_create_stream()
155 chip->usb_id == USB_ID(0x18d1, 0x2d05)) && in snd_usb_create_stream()
157 altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC && in snd_usb_create_stream()
158 altsd->bInterfaceSubClass == USB_SUBCLASS_VENDOR_SPEC) { in snd_usb_create_stream()
162 return -EINVAL; in snd_usb_create_stream()
163 alts = &iface->altsetting[0]; in snd_usb_create_stream()
168 dev_dbg(&dev->dev, "%d:%d: skipping, already claimed\n", in snd_usb_create_stream()
170 return -EINVAL; in snd_usb_create_stream()
173 if ((altsd->bInterfaceClass == USB_CLASS_AUDIO || in snd_usb_create_stream()
174 altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC) && in snd_usb_create_stream()
175 altsd->bInterfaceSubClass == USB_SUBCLASS_MIDISTREAMING) { in snd_usb_create_stream()
176 int err = __snd_usbmidi_create(chip->card, iface, in snd_usb_create_stream()
177 &chip->midi_list, NULL, in snd_usb_create_stream()
178 chip->usb_id); in snd_usb_create_stream()
180 dev_err(&dev->dev, in snd_usb_create_stream()
183 return -EINVAL; in snd_usb_create_stream()
189 if ((altsd->bInterfaceClass != USB_CLASS_AUDIO && in snd_usb_create_stream()
190 altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || in snd_usb_create_stream()
191 altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIOSTREAMING) { in snd_usb_create_stream()
192 dev_dbg(&dev->dev, in snd_usb_create_stream()
193 "%u:%d: skipping non-supported interface %d\n", in snd_usb_create_stream()
194 ctrlif, interface, altsd->bInterfaceClass); in snd_usb_create_stream()
195 /* skip non-supported classes */ in snd_usb_create_stream()
196 return -EINVAL; in snd_usb_create_stream()
200 dev_err(&dev->dev, "low speed audio streaming not supported\n"); in snd_usb_create_stream()
201 return -EINVAL; in snd_usb_create_stream()
204 if (! snd_usb_parse_audio_interface(chip, interface)) { in snd_usb_create_stream()
216 static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) in snd_usb_create_streams() argument
218 struct usb_device *dev = chip->dev; in snd_usb_create_streams()
224 host_iface = &usb_ifnum_to_if(dev, ctrlif)->altsetting[0]; in snd_usb_create_streams()
226 protocol = altsd->bInterfaceProtocol; in snd_usb_create_streams()
230 dev_warn(&dev->dev, in snd_usb_create_streams()
239 h1 = snd_usb_find_csint_desc(host_iface->extra, in snd_usb_create_streams()
240 host_iface->extralen, in snd_usb_create_streams()
242 if (!h1 || h1->bLength < sizeof(*h1)) { in snd_usb_create_streams()
243 dev_err(&dev->dev, "cannot find UAC_HEADER\n"); in snd_usb_create_streams()
244 return -EINVAL; in snd_usb_create_streams()
247 rest_bytes = (void *)(host_iface->extra + in snd_usb_create_streams()
248 host_iface->extralen) - (void *)h1; in snd_usb_create_streams()
250 /* just to be sure -- this shouldn't hit at all */ in snd_usb_create_streams()
252 dev_err(&dev->dev, "invalid control header\n"); in snd_usb_create_streams()
253 return -EINVAL; in snd_usb_create_streams()
257 dev_err(&dev->dev, "too short v1 buffer descriptor\n"); in snd_usb_create_streams()
258 return -EINVAL; in snd_usb_create_streams()
261 if (!h1->bInCollection) { in snd_usb_create_streams()
262 dev_info(&dev->dev, "skipping empty audio interface (v1)\n"); in snd_usb_create_streams()
263 return -EINVAL; in snd_usb_create_streams()
266 if (rest_bytes < h1->bLength) { in snd_usb_create_streams()
267 dev_err(&dev->dev, "invalid buffer length (v1)\n"); in snd_usb_create_streams()
268 return -EINVAL; in snd_usb_create_streams()
271 if (h1->bLength < sizeof(*h1) + h1->bInCollection) { in snd_usb_create_streams()
272 dev_err(&dev->dev, "invalid UAC_HEADER (v1)\n"); in snd_usb_create_streams()
273 return -EINVAL; in snd_usb_create_streams()
276 for (i = 0; i < h1->bInCollection; i++) in snd_usb_create_streams()
277 snd_usb_create_stream(chip, ctrlif, h1->baInterfaceNr[i]); in snd_usb_create_streams()
285 usb_ifnum_to_if(dev, ctrlif)->intf_assoc; in snd_usb_create_streams()
290 * the IAD on the NuForce UDH-100, also check the next in snd_usb_create_streams()
296 iface->intf_assoc && in snd_usb_create_streams()
297 iface->intf_assoc->bFunctionClass == USB_CLASS_AUDIO && in snd_usb_create_streams()
298 iface->intf_assoc->bFunctionProtocol == UAC_VERSION_2) in snd_usb_create_streams()
299 assoc = iface->intf_assoc; in snd_usb_create_streams()
303 dev_err(&dev->dev, "Audio class v2/v3 interfaces need an interface association\n"); in snd_usb_create_streams()
304 return -EINVAL; in snd_usb_create_streams()
308 int badd = assoc->bFunctionSubClass; in snd_usb_create_streams()
313 dev_err(&dev->dev, in snd_usb_create_streams()
315 return -EINVAL; in snd_usb_create_streams()
318 chip->badd_profile = badd; in snd_usb_create_streams()
321 for (i = 0; i < assoc->bInterfaceCount; i++) { in snd_usb_create_streams()
322 int intf = assoc->bFirstInterface + i; in snd_usb_create_streams()
325 snd_usb_create_stream(chip, ctrlif, intf); in snd_usb_create_streams()
339 u32 id; member
342 const char *profile_name; /* override card->longname */
346 { .id = USB_ID(vid, pid), .vendor_name = (vendor), \
351 /* vendor/product and profile name presets, sorted in device id order */
355 "HP-Thunderbolt-Dock-Audio-Headset"),
358 "HP-Thunderbolt-Dock-Audio-Module"),
361 * TRX40 Aorus Master has two USB-audio devices, one for the front
362 * headphone with ESS SABRE9218 DAC chip, while another for the rest
363 * I/O (the rear panel and the front mic) with Realtek ALC1220-VB.
367 "Gigabyte-Aorus-Master-Front-Headphone"),
369 "Gigabyte-Aorus-Master-Main-Audio"),
373 "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
375 /* Creative/E-Mu devices */
377 /* Creative/Toshiba Multimedia Center SB-0500 */
378 DEVICE_NAME(0x041e, 0x3048, "Toshiba", "SB-0500"),
386 "Zenith-II-Front-Headphone"),
388 "Zenith-II-Main-Audio"),
392 "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
393 /* ASUS PRIME TRX40 PRO-S */
395 "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
398 PROFILE_NAME(0x0bda, 0x4014, "Dell", "WD15 Dock", "Dell-WD15-Dock"),
400 PROFILE_NAME(0x0bda, 0x402e, "Dell", "WD19 Dock", "Dell-WD15-Dock"),
413 "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
416 "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
423 DEVICE_NAME(0x13e5, 0x0001, "Rane", "SL-1"),
425 /* Lenovo ThinkStation P620 Rear Line-in, Line-out and Microphone */
427 "Lenovo-ThinkStation-P620-Rear"),
430 "Lenovo-ThinkStation-P620-Main"),
434 "Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
440 lookup_device_name(u32 id) in lookup_device_name() argument
444 for (p = usb_audio_names; p->id; p++) in lookup_device_name()
445 if (p->id == id) in lookup_device_name()
451 * free the chip instance
459 struct snd_usb_audio *chip = card->private_data; in snd_usb_audio_free() local
462 list_for_each_entry_safe(ep, n, &chip->ep_list, list) in snd_usb_audio_free()
465 mutex_destroy(&chip->mutex); in snd_usb_audio_free()
466 if (!atomic_read(&chip->shutdown)) in snd_usb_audio_free()
467 dev_set_drvdata(&chip->dev->dev, NULL); in snd_usb_audio_free()
471 struct snd_usb_audio *chip, in usb_audio_make_shortname() argument
474 struct snd_card *card = chip->card; in usb_audio_make_shortname()
478 preset = lookup_device_name(chip->usb_id); in usb_audio_make_shortname()
479 if (preset && preset->product_name) in usb_audio_make_shortname()
480 s = preset->product_name; in usb_audio_make_shortname()
481 else if (quirk && quirk->product_name) in usb_audio_make_shortname()
482 s = quirk->product_name; in usb_audio_make_shortname()
484 strlcpy(card->shortname, s, sizeof(card->shortname)); in usb_audio_make_shortname()
489 if (!dev->descriptor.iProduct || in usb_audio_make_shortname()
490 usb_string(dev, dev->descriptor.iProduct, in usb_audio_make_shortname()
491 card->shortname, sizeof(card->shortname)) <= 0) { in usb_audio_make_shortname()
492 /* no name available from anywhere, so use ID */ in usb_audio_make_shortname()
493 sprintf(card->shortname, "USB Device %#04x:%#04x", in usb_audio_make_shortname()
494 USB_ID_VENDOR(chip->usb_id), in usb_audio_make_shortname()
495 USB_ID_PRODUCT(chip->usb_id)); in usb_audio_make_shortname()
498 strim(card->shortname); in usb_audio_make_shortname()
502 struct snd_usb_audio *chip, in usb_audio_make_longname() argument
505 struct snd_card *card = chip->card; in usb_audio_make_longname()
510 preset = lookup_device_name(chip->usb_id); in usb_audio_make_longname()
512 /* shortcut - if any pre-defined string is given, use it */ in usb_audio_make_longname()
513 if (preset && preset->profile_name) in usb_audio_make_longname()
514 s = preset->profile_name; in usb_audio_make_longname()
516 strlcpy(card->longname, s, sizeof(card->longname)); in usb_audio_make_longname()
520 if (preset && preset->vendor_name) in usb_audio_make_longname()
521 s = preset->vendor_name; in usb_audio_make_longname()
522 else if (quirk && quirk->vendor_name) in usb_audio_make_longname()
523 s = quirk->vendor_name; in usb_audio_make_longname()
525 len = strlcpy(card->longname, s, sizeof(card->longname)); in usb_audio_make_longname()
528 if (dev->descriptor.iManufacturer) in usb_audio_make_longname()
529 len = usb_string(dev, dev->descriptor.iManufacturer, in usb_audio_make_longname()
530 card->longname, sizeof(card->longname)); in usb_audio_make_longname()
536 strim(card->longname); in usb_audio_make_longname()
537 if (*card->longname) in usb_audio_make_longname()
538 strlcat(card->longname, " ", sizeof(card->longname)); in usb_audio_make_longname()
541 strlcat(card->longname, card->shortname, sizeof(card->longname)); in usb_audio_make_longname()
543 len = strlcat(card->longname, " at ", sizeof(card->longname)); in usb_audio_make_longname()
545 if (len < sizeof(card->longname)) in usb_audio_make_longname()
546 usb_make_path(dev, card->longname + len, sizeof(card->longname) - len); in usb_audio_make_longname()
550 strlcat(card->longname, ", low speed", sizeof(card->longname)); in usb_audio_make_longname()
553 strlcat(card->longname, ", full speed", sizeof(card->longname)); in usb_audio_make_longname()
556 strlcat(card->longname, ", high speed", sizeof(card->longname)); in usb_audio_make_longname()
559 strlcat(card->longname, ", super speed", sizeof(card->longname)); in usb_audio_make_longname()
562 strlcat(card->longname, ", super speed plus", sizeof(card->longname)); in usb_audio_make_longname()
570 * create a chip instance and set its names.
579 struct snd_usb_audio *chip; in snd_usb_audio_create() local
594 dev_err(&dev->dev, "unknown device speed %d\n", snd_usb_get_speed(dev)); in snd_usb_audio_create()
595 return -ENXIO; in snd_usb_audio_create()
598 err = snd_card_new(&intf->dev, index[idx], id[idx], THIS_MODULE, in snd_usb_audio_create()
599 sizeof(*chip), &card); in snd_usb_audio_create()
601 dev_err(&dev->dev, "cannot create card instance %d\n", idx); in snd_usb_audio_create()
605 chip = card->private_data; in snd_usb_audio_create()
606 mutex_init(&chip->mutex); in snd_usb_audio_create()
607 init_waitqueue_head(&chip->shutdown_wait); in snd_usb_audio_create()
608 chip->index = idx; in snd_usb_audio_create()
609 chip->dev = dev; in snd_usb_audio_create()
610 chip->card = card; in snd_usb_audio_create()
611 chip->setup = device_setup[idx]; in snd_usb_audio_create()
612 chip->autoclock = autoclock; in snd_usb_audio_create()
613 atomic_set(&chip->active, 1); /* avoid autopm during probing */ in snd_usb_audio_create()
614 atomic_set(&chip->usage_count, 0); in snd_usb_audio_create()
615 atomic_set(&chip->shutdown, 0); in snd_usb_audio_create()
617 chip->usb_id = usb_id; in snd_usb_audio_create()
618 INIT_LIST_HEAD(&chip->pcm_list); in snd_usb_audio_create()
619 INIT_LIST_HEAD(&chip->ep_list); in snd_usb_audio_create()
620 INIT_LIST_HEAD(&chip->midi_list); in snd_usb_audio_create()
621 INIT_LIST_HEAD(&chip->mixer_list); in snd_usb_audio_create()
623 card->private_free = snd_usb_audio_free; in snd_usb_audio_create()
625 strcpy(card->driver, "USB-Audio"); in snd_usb_audio_create()
627 USB_ID_VENDOR(chip->usb_id), USB_ID_PRODUCT(chip->usb_id)); in snd_usb_audio_create()
630 usb_audio_make_shortname(dev, chip, quirk); in snd_usb_audio_create()
631 usb_audio_make_longname(dev, chip, quirk); in snd_usb_audio_create()
633 snd_usb_audio_create_proc(chip); in snd_usb_audio_create()
635 *rchip = chip; in snd_usb_audio_create()
639 /* look for a matching quirk alias id */
640 static bool get_alias_id(struct usb_device *dev, unsigned int *id) in get_alias_id() argument
648 src != *id) in get_alias_id()
650 dev_info(&dev->dev, in get_alias_id()
652 USB_ID_VENDOR(*id), USB_ID_PRODUCT(*id), in get_alias_id()
654 *id = dst; in get_alias_id()
661 static bool check_delayed_register_option(struct snd_usb_audio *chip, int iface) in check_delayed_register_option() argument
664 unsigned int id, inum; in check_delayed_register_option() local
668 sscanf(delayed_register[i], "%x:%x", &id, &inum) == 2 && in check_delayed_register_option()
669 id == chip->usb_id) in check_delayed_register_option()
680 get_alias_quirk(struct usb_device *dev, unsigned int id) in get_alias_quirk() argument
684 for (p = usb_audio_ids; p->match_flags; p++) { in get_alias_quirk()
686 if ((p->match_flags & USB_DEVICE_ID_MATCH_DEVICE) == in get_alias_quirk()
688 p->idVendor == USB_ID_VENDOR(id) && in get_alias_quirk()
689 p->idProduct == USB_ID_PRODUCT(id)) in get_alias_quirk()
690 return (const struct snd_usb_audio_quirk *)p->driver_info; in get_alias_quirk()
711 (const struct snd_usb_audio_quirk *)usb_id->driver_info; in usb_audio_probe()
712 struct snd_usb_audio *chip; in usb_audio_probe() local
716 u32 id; in usb_audio_probe() local
718 alts = &intf->altsetting[0]; in usb_audio_probe()
719 ifnum = get_iface_desc(alts)->bInterfaceNumber; in usb_audio_probe()
720 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), in usb_audio_probe()
721 le16_to_cpu(dev->descriptor.idProduct)); in usb_audio_probe()
722 if (get_alias_id(dev, &id)) in usb_audio_probe()
723 quirk = get_alias_quirk(dev, id); in usb_audio_probe()
724 if (quirk && quirk->ifnum >= 0 && ifnum != quirk->ifnum) in usb_audio_probe()
725 return -ENXIO; in usb_audio_probe()
727 err = snd_usb_apply_boot_quirk(dev, intf, quirk, id); in usb_audio_probe()
736 chip = NULL; in usb_audio_probe()
739 if (usb_chip[i] && usb_chip[i]->dev == dev) { in usb_audio_probe()
740 if (atomic_read(&usb_chip[i]->shutdown)) { in usb_audio_probe()
741 dev_err(&dev->dev, "USB device is in the shutdown state, cannot create a card instance\n"); in usb_audio_probe()
742 err = -EIO; in usb_audio_probe()
745 chip = usb_chip[i]; in usb_audio_probe()
746 atomic_inc(&chip->active); /* avoid autopm */ in usb_audio_probe()
750 if (! chip) { in usb_audio_probe()
751 err = snd_usb_apply_boot_quirk_once(dev, intf, quirk, id); in usb_audio_probe()
760 (vid[i] == -1 || vid[i] == USB_ID_VENDOR(id)) && in usb_audio_probe()
761 (pid[i] == -1 || pid[i] == USB_ID_PRODUCT(id))) { in usb_audio_probe()
764 id, &chip); in usb_audio_probe()
768 } else if (vid[i] != -1 || pid[i] != -1) { in usb_audio_probe()
769 dev_info(&dev->dev, in usb_audio_probe()
771 USB_ID_VENDOR(id), in usb_audio_probe()
772 USB_ID_PRODUCT(id)); in usb_audio_probe()
773 err = -ENOENT; in usb_audio_probe()
777 if (!chip) { in usb_audio_probe()
778 dev_err(&dev->dev, "no available usb audio device\n"); in usb_audio_probe()
779 err = -ENODEV; in usb_audio_probe()
784 if (chip->num_interfaces >= MAX_CARD_INTERFACES) { in usb_audio_probe()
785 dev_info(&dev->dev, "Too many interfaces assigned to the single USB-audio card\n"); in usb_audio_probe()
786 err = -EINVAL; in usb_audio_probe()
790 dev_set_drvdata(&dev->dev, chip); in usb_audio_probe()
797 if (!chip->ctrl_intf) in usb_audio_probe()
798 chip->ctrl_intf = alts; in usb_audio_probe()
800 chip->txfr_quirk = 0; in usb_audio_probe()
802 if (quirk && quirk->ifnum != QUIRK_NO_INTERFACE) { in usb_audio_probe()
804 err = snd_usb_create_quirk(chip, intf, &usb_audio_driver, quirk); in usb_audio_probe()
811 err = snd_usb_create_streams(chip, ifnum); in usb_audio_probe()
814 err = snd_usb_create_mixer(chip, ifnum, ignore_ctl_error); in usb_audio_probe()
819 if (chip->need_delayed_register) { in usb_audio_probe()
820 dev_info(&dev->dev, in usb_audio_probe()
821 "Found post-registration device assignment: %08x:%02x\n", in usb_audio_probe()
822 chip->usb_id, ifnum); in usb_audio_probe()
823 chip->need_delayed_register = false; /* clear again */ in usb_audio_probe()
829 if (!snd_usb_registration_quirk(chip, ifnum) && in usb_audio_probe()
830 !check_delayed_register_option(chip, ifnum)) { in usb_audio_probe()
831 err = snd_card_register(chip->card); in usb_audio_probe()
836 if (quirk && quirk->shares_media_device) { in usb_audio_probe()
838 snd_media_device_create(chip, intf); in usb_audio_probe()
842 chip->quirk_type = quirk->type; in usb_audio_probe()
844 usb_chip[chip->index] = chip; in usb_audio_probe()
845 chip->intf[chip->num_interfaces] = intf; in usb_audio_probe()
846 chip->num_interfaces++; in usb_audio_probe()
847 usb_set_intfdata(intf, chip); in usb_audio_probe()
848 atomic_dec(&chip->active); in usb_audio_probe()
853 if (chip) { in usb_audio_probe()
854 /* chip->active is inside the chip->card object, in usb_audio_probe()
857 atomic_dec(&chip->active); in usb_audio_probe()
858 if (!chip->num_interfaces) in usb_audio_probe()
859 snd_card_free(chip->card); in usb_audio_probe()
871 struct snd_usb_audio *chip = usb_get_intfdata(intf); in usb_audio_disconnect() local
875 if (chip == USB_AUDIO_IFACE_UNUSED) in usb_audio_disconnect()
878 card = chip->card; in usb_audio_disconnect()
881 if (atomic_inc_return(&chip->shutdown) == 1) { in usb_audio_disconnect()
889 wait_event(chip->shutdown_wait, in usb_audio_disconnect()
890 !atomic_read(&chip->usage_count)); in usb_audio_disconnect()
893 list_for_each_entry(as, &chip->pcm_list, list) { in usb_audio_disconnect()
897 list_for_each_entry(ep, &chip->ep_list, list) { in usb_audio_disconnect()
901 list_for_each(p, &chip->midi_list) { in usb_audio_disconnect()
905 * Nice to check quirk && quirk->shares_media_device and in usb_audio_disconnect()
910 snd_media_device_delete(chip); in usb_audio_disconnect()
913 list_for_each_entry(mixer, &chip->mixer_list, list) { in usb_audio_disconnect()
918 if (chip->quirk_type == QUIRK_SETUP_DISABLE_AUTOSUSPEND) in usb_audio_disconnect()
921 chip->num_interfaces--; in usb_audio_disconnect()
922 if (chip->num_interfaces <= 0) { in usb_audio_disconnect()
923 usb_chip[chip->index] = NULL; in usb_audio_disconnect()
932 int snd_usb_lock_shutdown(struct snd_usb_audio *chip) in snd_usb_lock_shutdown() argument
936 atomic_inc(&chip->usage_count); in snd_usb_lock_shutdown()
937 if (atomic_read(&chip->shutdown)) { in snd_usb_lock_shutdown()
938 err = -EIO; in snd_usb_lock_shutdown()
941 err = snd_usb_autoresume(chip); in snd_usb_lock_shutdown()
947 if (atomic_dec_and_test(&chip->usage_count)) in snd_usb_lock_shutdown()
948 wake_up(&chip->shutdown_wait); in snd_usb_lock_shutdown()
953 void snd_usb_unlock_shutdown(struct snd_usb_audio *chip) in snd_usb_unlock_shutdown() argument
955 snd_usb_autosuspend(chip); in snd_usb_unlock_shutdown()
956 if (atomic_dec_and_test(&chip->usage_count)) in snd_usb_unlock_shutdown()
957 wake_up(&chip->shutdown_wait); in snd_usb_unlock_shutdown()
962 int snd_usb_autoresume(struct snd_usb_audio *chip) in snd_usb_autoresume() argument
966 if (atomic_read(&chip->shutdown)) in snd_usb_autoresume()
967 return -EIO; in snd_usb_autoresume()
968 if (atomic_inc_return(&chip->active) != 1) in snd_usb_autoresume()
971 for (i = 0; i < chip->num_interfaces; i++) { in snd_usb_autoresume()
972 err = usb_autopm_get_interface(chip->intf[i]); in snd_usb_autoresume()
975 while (--i >= 0) in snd_usb_autoresume()
976 usb_autopm_put_interface(chip->intf[i]); in snd_usb_autoresume()
977 atomic_dec(&chip->active); in snd_usb_autoresume()
984 void snd_usb_autosuspend(struct snd_usb_audio *chip) in snd_usb_autosuspend() argument
988 if (atomic_read(&chip->shutdown)) in snd_usb_autosuspend()
990 if (!atomic_dec_and_test(&chip->active)) in snd_usb_autosuspend()
993 for (i = 0; i < chip->num_interfaces; i++) in snd_usb_autosuspend()
994 usb_autopm_put_interface(chip->intf[i]); in snd_usb_autosuspend()
999 struct snd_usb_audio *chip = usb_get_intfdata(intf); in usb_audio_suspend() local
1004 if (chip == USB_AUDIO_IFACE_UNUSED) in usb_audio_suspend()
1007 if (!chip->num_suspended_intf++) { in usb_audio_suspend()
1008 list_for_each_entry(as, &chip->pcm_list, list) { in usb_audio_suspend()
1010 as->substream[0].need_setup_ep = in usb_audio_suspend()
1011 as->substream[1].need_setup_ep = true; in usb_audio_suspend()
1013 list_for_each(p, &chip->midi_list) in usb_audio_suspend()
1015 list_for_each_entry(mixer, &chip->mixer_list, list) in usb_audio_suspend()
1019 if (!PMSG_IS_AUTO(message) && !chip->system_suspend) { in usb_audio_suspend()
1020 snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); in usb_audio_suspend()
1021 chip->system_suspend = chip->num_suspended_intf; in usb_audio_suspend()
1029 struct snd_usb_audio *chip = usb_get_intfdata(intf); in __usb_audio_resume() local
1035 if (chip == USB_AUDIO_IFACE_UNUSED) in __usb_audio_resume()
1038 atomic_inc(&chip->active); /* avoid autopm */ in __usb_audio_resume()
1039 if (chip->num_suspended_intf > 1) in __usb_audio_resume()
1042 list_for_each_entry(as, &chip->pcm_list, list) { in __usb_audio_resume()
1052 list_for_each_entry(mixer, &chip->mixer_list, list) { in __usb_audio_resume()
1058 list_for_each(p, &chip->midi_list) { in __usb_audio_resume()
1063 if (chip->num_suspended_intf == chip->system_suspend) { in __usb_audio_resume()
1064 snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); in __usb_audio_resume()
1065 chip->system_suspend = 0; in __usb_audio_resume()
1067 chip->num_suspended_intf--; in __usb_audio_resume()
1070 atomic_dec(&chip->active); /* allow autopm after this point */ in __usb_audio_resume()
1090 #include "quirks-table.h"
1103 .name = "snd-usb-audio",