132 static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int interface)  in snd_usb_create_stream()  argument
134 	struct usb_device *dev = chip->dev;  in snd_usb_create_stream()
152 	if ((chip->usb_id == USB_ID(0x18d1, 0x2d04) ||  in snd_usb_create_stream()
153 	     chip->usb_id == USB_ID(0x18d1, 0x2d05)) &&  in snd_usb_create_stream()
174 		int err = snd_usbmidi_create(chip->card, iface,  in snd_usb_create_stream()
175 					     &chip->midi_list, NULL);  in snd_usb_create_stream()
202 	if (! snd_usb_parse_audio_interface(chip, interface)) {  in snd_usb_create_stream()
214 static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)  in snd_usb_create_streams()  argument
216 	struct usb_device *dev = chip->dev;  in snd_usb_create_streams()
256 			snd_usb_create_stream(chip, ctrlif, h1->baInterfaceNr[i]);  in snd_usb_create_streams()
289 				snd_usb_create_stream(chip, ctrlif, intf);  in snd_usb_create_streams()
306 static int snd_usb_audio_free(struct snd_usb_audio *chip)  in snd_usb_audio_free()  argument
310 	list_for_each_entry_safe(ep, n, &chip->ep_list, list)  in snd_usb_audio_free()
313 	mutex_destroy(&chip->mutex);  in snd_usb_audio_free()
314 	kfree(chip);  in snd_usb_audio_free()
320 	struct snd_usb_audio *chip = device->device_data;  in snd_usb_audio_dev_free()  local
321 	return snd_usb_audio_free(chip);  in snd_usb_audio_dev_free()
333 	struct snd_usb_audio *chip;  in snd_usb_audio_create()  local
361 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);  in snd_usb_audio_create()
362 	if (! chip) {  in snd_usb_audio_create()
367 	mutex_init(&chip->mutex);  in snd_usb_audio_create()
368 	init_waitqueue_head(&chip->shutdown_wait);  in snd_usb_audio_create()
369 	chip->index = idx;  in snd_usb_audio_create()
370 	chip->dev = dev;  in snd_usb_audio_create()
371 	chip->card = card;  in snd_usb_audio_create()
372 	chip->setup = device_setup[idx];  in snd_usb_audio_create()
373 	chip->autoclock = autoclock;  in snd_usb_audio_create()
374 	chip->probing = 1;  in snd_usb_audio_create()
375 	atomic_set(&chip->usage_count, 0);  in snd_usb_audio_create()
376 	atomic_set(&chip->shutdown, 0);  in snd_usb_audio_create()
378 	chip->usb_id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),  in snd_usb_audio_create()
380 	INIT_LIST_HEAD(&chip->pcm_list);  in snd_usb_audio_create()
381 	INIT_LIST_HEAD(&chip->ep_list);  in snd_usb_audio_create()
382 	INIT_LIST_HEAD(&chip->midi_list);  in snd_usb_audio_create()
383 	INIT_LIST_HEAD(&chip->mixer_list);  in snd_usb_audio_create()
385 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {  in snd_usb_audio_create()
386 		snd_usb_audio_free(chip);  in snd_usb_audio_create()
393 		USB_ID_VENDOR(chip->usb_id), USB_ID_PRODUCT(chip->usb_id));  in snd_usb_audio_create()
405 				USB_ID_VENDOR(chip->usb_id),  in snd_usb_audio_create()
406 				USB_ID_PRODUCT(chip->usb_id));  in snd_usb_audio_create()
452 	snd_usb_audio_create_proc(chip);  in snd_usb_audio_create()
454 	*rchip = chip;  in snd_usb_audio_create()
474 	struct snd_usb_audio *chip;  in usb_audio_probe()  local
496 	chip = NULL;  in usb_audio_probe()
505 			chip = usb_chip[i];  in usb_audio_probe()
506 			chip->probing = 1;  in usb_audio_probe()
510 	if (! chip) {  in usb_audio_probe()
519 							   &chip);  in usb_audio_probe()
522 				chip->pm_intf = intf;  in usb_audio_probe()
525 		if (!chip) {  in usb_audio_probe()
537 	if (!chip->ctrl_intf)  in usb_audio_probe()
538 		chip->ctrl_intf = alts;  in usb_audio_probe()
540 	chip->txfr_quirk = 0;  in usb_audio_probe()
544 		err = snd_usb_create_quirk(chip, intf, &usb_audio_driver, quirk);  in usb_audio_probe()
551 		err = snd_usb_create_streams(chip, ifnum);  in usb_audio_probe()
554 		err = snd_usb_create_mixer(chip, ifnum, ignore_ctl_error);  in usb_audio_probe()
560 	err = snd_card_register(chip->card);  in usb_audio_probe()
564 	usb_chip[chip->index] = chip;  in usb_audio_probe()
565 	chip->num_interfaces++;  in usb_audio_probe()
566 	chip->probing = 0;  in usb_audio_probe()
567 	usb_set_intfdata(intf, chip);  in usb_audio_probe()
572 	if (chip) {  in usb_audio_probe()
573 		if (!chip->num_interfaces)  in usb_audio_probe()
574 			snd_card_free(chip->card);  in usb_audio_probe()
575 		chip->probing = 0;  in usb_audio_probe()
587 	struct snd_usb_audio *chip = usb_get_intfdata(intf);  in usb_audio_disconnect()  local
591 	if (chip == (void *)-1L)  in usb_audio_disconnect()
594 	card = chip->card;  in usb_audio_disconnect()
597 	if (atomic_inc_return(&chip->shutdown) == 1) {  in usb_audio_disconnect()
605 		wait_event(chip->shutdown_wait,  in usb_audio_disconnect()
606 			   !atomic_read(&chip->usage_count));  in usb_audio_disconnect()
609 		list_for_each_entry(as, &chip->pcm_list, list) {  in usb_audio_disconnect()
613 		list_for_each_entry(ep, &chip->ep_list, list) {  in usb_audio_disconnect()
617 		list_for_each(p, &chip->midi_list) {  in usb_audio_disconnect()
621 		list_for_each_entry(mixer, &chip->mixer_list, list) {  in usb_audio_disconnect()
626 	chip->num_interfaces--;  in usb_audio_disconnect()
627 	if (chip->num_interfaces <= 0) {  in usb_audio_disconnect()
628 		usb_chip[chip->index] = NULL;  in usb_audio_disconnect()
637 int snd_usb_lock_shutdown(struct snd_usb_audio *chip)  in snd_usb_lock_shutdown()  argument
641 	atomic_inc(&chip->usage_count);  in snd_usb_lock_shutdown()
642 	if (atomic_read(&chip->shutdown)) {  in snd_usb_lock_shutdown()
646 	err = snd_usb_autoresume(chip);  in snd_usb_lock_shutdown()
652 	if (atomic_dec_and_test(&chip->usage_count))  in snd_usb_lock_shutdown()
653 		wake_up(&chip->shutdown_wait);  in snd_usb_lock_shutdown()
658 void snd_usb_unlock_shutdown(struct snd_usb_audio *chip)  in snd_usb_unlock_shutdown()  argument
660 	snd_usb_autosuspend(chip);  in snd_usb_unlock_shutdown()
661 	if (atomic_dec_and_test(&chip->usage_count))  in snd_usb_unlock_shutdown()
662 		wake_up(&chip->shutdown_wait);  in snd_usb_unlock_shutdown()
667 int snd_usb_autoresume(struct snd_usb_audio *chip)  in snd_usb_autoresume()  argument
669 	if (atomic_read(&chip->shutdown))  in snd_usb_autoresume()
671 	if (chip->probing)  in snd_usb_autoresume()
673 	if (atomic_inc_return(&chip->active) == 1)  in snd_usb_autoresume()
674 		return usb_autopm_get_interface(chip->pm_intf);  in snd_usb_autoresume()
678 void snd_usb_autosuspend(struct snd_usb_audio *chip)  in snd_usb_autosuspend()  argument
680 	if (chip->probing)  in snd_usb_autosuspend()
682 	if (atomic_read(&chip->shutdown))  in snd_usb_autosuspend()
684 	if (atomic_dec_and_test(&chip->active))  in snd_usb_autosuspend()
685 		usb_autopm_put_interface(chip->pm_intf);  in snd_usb_autosuspend()
690 	struct snd_usb_audio *chip = usb_get_intfdata(intf);  in usb_audio_suspend()  local
695 	if (chip == (void *)-1L)  in usb_audio_suspend()
699 		snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);  in usb_audio_suspend()
700 		if (!chip->num_suspended_intf++) {  in usb_audio_suspend()
701 			list_for_each_entry(as, &chip->pcm_list, list) {  in usb_audio_suspend()
706 			list_for_each(p, &chip->midi_list) {  in usb_audio_suspend()
715 		if (!chip->num_suspended_intf++)  in usb_audio_suspend()
716 			chip->autosuspended = 1;  in usb_audio_suspend()
719 	if (chip->num_suspended_intf == 1)  in usb_audio_suspend()
720 		list_for_each_entry(mixer, &chip->mixer_list, list)  in usb_audio_suspend()
728 	struct snd_usb_audio *chip = usb_get_intfdata(intf);  in __usb_audio_resume()  local
733 	if (chip == (void *)-1L)  in __usb_audio_resume()
735 	if (--chip->num_suspended_intf)  in __usb_audio_resume()
738 	atomic_inc(&chip->active); /* avoid autopm */  in __usb_audio_resume()
743 	list_for_each_entry(mixer, &chip->mixer_list, list) {  in __usb_audio_resume()
749 	list_for_each(p, &chip->midi_list) {  in __usb_audio_resume()
753 	if (!chip->autosuspended)  in __usb_audio_resume()
754 		snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);  in __usb_audio_resume()
755 	chip->autosuspended = 0;  in __usb_audio_resume()
758 	atomic_dec(&chip->active); /* allow autopm after this point */  in __usb_audio_resume()