80 	struct usb_mixer_interface *mixer;  member
141 	((cval)->head.mixer->ignore_ctl_error ? 0 : (err))
308 	struct snd_usb_audio *chip = cval->head.mixer->chip;  in get_ctl_value_v1()
341 	struct snd_usb_audio *chip = cval->head.mixer->chip;  in get_ctl_value_v2()
404 	return (cval->head.mixer->protocol == UAC_VERSION_1) ?  in get_ctl_value()
435 		if (!cval->head.mixer->ignore_ctl_error)  in snd_usb_get_cur_mix_value()
436 			usb_audio_dbg(cval->head.mixer->chip,  in snd_usb_get_cur_mix_value()
453 	struct snd_usb_audio *chip = cval->head.mixer->chip;  in snd_usb_mixer_set_ctl_value()
459 	if (cval->head.mixer->protocol == UAC_VERSION_1) {  in snd_usb_mixer_set_ctl_value()
517 		usb_audio_dbg(cval->head.mixer->chip,  in snd_usb_set_cur_mix_value()
579 	struct usb_mixer_interface *mixer = list->mixer;  in snd_usb_mixer_add_control()  local
582 	while (snd_ctl_find_id(mixer->chip->card, &kctl->id))  in snd_usb_mixer_add_control()
584 	if ((err = snd_ctl_add(mixer->chip->card, kctl)) < 0) {  in snd_usb_mixer_add_control()
585 		usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n",  in snd_usb_mixer_add_control()
590 	list->next_id_elem = mixer->id_elems[list->id];  in snd_usb_mixer_add_control()
591 	mixer->id_elems[list->id] = list;  in snd_usb_mixer_add_control()
714 			if (state->mixer->protocol == UAC_VERSION_1) {  in check_input_term()
749 			term->chconfig = uac_mixer_unit_wChannelConfig(d, state->mixer->protocol);  in check_input_term()
772 			if (state->mixer->protocol == UAC_VERSION_2 &&  in check_input_term()
786 			term->chconfig = uac_processing_unit_wChannelConfig(d, state->mixer->protocol);  in check_input_term()
787 			term->name = uac_processing_unit_iProcessing(d, state->mixer->protocol);  in check_input_term()
847 	struct snd_usb_audio *chip = cval->head.mixer->chip;  in volume_control_quirks()
974 			usb_audio_err(cval->head.mixer->chip,  in get_min_max_with_quirks()
976 				   cval->head.id, snd_usb_ctrl_intf(cval->head.mixer->chip),  in get_min_max_with_quirks()
1081 				snd_ctl_notify(cval->head.mixer->chip->card,  in mixer_ctl_feature_info()
1252 	snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in build_feature_ctl()
1256 	if (state->mixer->protocol == UAC_VERSION_1)  in build_feature_ctl()
1321 			check_no_speaker_on_headset(kctl, state->mixer->chip->card);  in build_feature_ctl()
1357 	snd_usb_mixer_fu_apply_quirk(state->mixer, cval, unitid, kctl);  in build_feature_ctl()
1396 	if (state->mixer->protocol == UAC_VERSION_1) {  in parse_audio_feature_unit()
1456 	if (state->mixer->protocol == UAC_VERSION_1) {  in parse_audio_feature_unit()
1552 	snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in build_mixer_unit_ctl()
1556 		__u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol);  in build_mixer_unit_ctl()
1625 						state->mixer->protocol);  in parse_audio_mixer_unit()
1804 	    desc->bLength < num_ins + uac_processing_unit_bControlSize(desc, state->mixer->protocol)) {  in build_audio_procunit()
1822 		__u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol);  in build_audio_procunit()
1832 		snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in build_audio_procunit()
1839 			__u8 *control_spec = uac_processing_unit_specific(desc, state->mixer->protocol);  in build_audio_procunit()
1871 			nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol);  in build_audio_procunit()
2035 	snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in parse_audio_selector_unit()
2043 	if (state->mixer->protocol == UAC_VERSION_1)  in parse_audio_selector_unit()
2140 		if (state->mixer->protocol == UAC_VERSION_1)  in parse_audio_unit()
2146 		if (state->mixer->protocol == UAC_VERSION_1)  in parse_audio_unit()
2159 static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)  in snd_usb_mixer_free()  argument
2161 	kfree(mixer->id_elems);  in snd_usb_mixer_free()
2162 	if (mixer->urb) {  in snd_usb_mixer_free()
2163 		kfree(mixer->urb->transfer_buffer);  in snd_usb_mixer_free()
2164 		usb_free_urb(mixer->urb);  in snd_usb_mixer_free()
2166 	usb_free_urb(mixer->rc_urb);  in snd_usb_mixer_free()
2167 	kfree(mixer->rc_setup_packet);  in snd_usb_mixer_free()
2168 	kfree(mixer);  in snd_usb_mixer_free()
2173 	struct usb_mixer_interface *mixer = device->device_data;  in snd_usb_mixer_dev_free()  local
2174 	snd_usb_mixer_free(mixer);  in snd_usb_mixer_dev_free()
2183 static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)  in snd_usb_mixer_controls()  argument
2191 	state.chip = mixer->chip;  in snd_usb_mixer_controls()
2192 	state.mixer = mixer;  in snd_usb_mixer_controls()
2193 	state.buffer = mixer->hostif->extra;  in snd_usb_mixer_controls()
2194 	state.buflen = mixer->hostif->extralen;  in snd_usb_mixer_controls()
2201 			mixer->ignore_ctl_error = map->ignore_ctl_error;  in snd_usb_mixer_controls()
2207 	while ((p = snd_usb_find_csint_desc(mixer->hostif->extra,  in snd_usb_mixer_controls()
2208 					    mixer->hostif->extralen,  in snd_usb_mixer_controls()
2210 		if (mixer->protocol == UAC_VERSION_1) {  in snd_usb_mixer_controls()
2250 void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid)  in snd_usb_mixer_notify_id()  argument
2254 	for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem)  in snd_usb_mixer_notify_id()
2255 		snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,  in snd_usb_mixer_notify_id()
2277 	struct usb_mixer_interface *mixer;  in snd_usb_mixer_proc_read()  local
2281 	list_for_each_entry(mixer, &chip->mixer_list, list) {  in snd_usb_mixer_proc_read()
2285 				mixer->ignore_ctl_error);  in snd_usb_mixer_proc_read()
2288 			for (list = mixer->id_elems[unitid]; list;  in snd_usb_mixer_proc_read()
2303 static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer,  in snd_usb_mixer_interrupt_v2()  argument
2312 		usb_audio_dbg(mixer->chip,  in snd_usb_mixer_interrupt_v2()
2318 	for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) {  in snd_usb_mixer_interrupt_v2()
2336 			snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,  in snd_usb_mixer_interrupt_v2()
2349 			usb_audio_dbg(mixer->chip,  in snd_usb_mixer_interrupt_v2()
2359 	struct usb_mixer_interface *mixer = urb->context;  in snd_usb_mixer_interrupt()  local
2366 	if (mixer->protocol == UAC_VERSION_1) {  in snd_usb_mixer_interrupt()
2382 				snd_usb_mixer_rc_memory_change(mixer, status->bOriginator);  in snd_usb_mixer_interrupt()
2384 				snd_usb_mixer_notify_id(mixer, status->bOriginator);  in snd_usb_mixer_interrupt()
2397 			snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute,  in snd_usb_mixer_interrupt()
2407 		urb->dev = mixer->chip->dev;  in snd_usb_mixer_interrupt()
2413 static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer)  in snd_usb_mixer_status_create()  argument
2421 	if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1)  in snd_usb_mixer_status_create()
2423 	ep = get_endpoint(mixer->hostif, 0);  in snd_usb_mixer_status_create()
2432 	mixer->urb = usb_alloc_urb(0, GFP_KERNEL);  in snd_usb_mixer_status_create()
2433 	if (!mixer->urb) {  in snd_usb_mixer_status_create()
2437 	usb_fill_int_urb(mixer->urb, mixer->chip->dev,  in snd_usb_mixer_status_create()
2438 			 usb_rcvintpipe(mixer->chip->dev, epnum),  in snd_usb_mixer_status_create()
2440 			 snd_usb_mixer_interrupt, mixer, ep->bInterval);  in snd_usb_mixer_status_create()
2441 	usb_submit_urb(mixer->urb, GFP_KERNEL);  in snd_usb_mixer_status_create()
2451 	struct usb_mixer_interface *mixer;  in snd_usb_create_mixer()  local
2457 	mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);  in snd_usb_create_mixer()
2458 	if (!mixer)  in snd_usb_create_mixer()
2460 	mixer->chip = chip;  in snd_usb_create_mixer()
2461 	mixer->ignore_ctl_error = ignore_error;  in snd_usb_create_mixer()
2462 	mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems),  in snd_usb_create_mixer()
2464 	if (!mixer->id_elems) {  in snd_usb_create_mixer()
2465 		kfree(mixer);  in snd_usb_create_mixer()
2469 	mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];  in snd_usb_create_mixer()
2470 	switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) {  in snd_usb_create_mixer()
2473 		mixer->protocol = UAC_VERSION_1;  in snd_usb_create_mixer()
2476 		mixer->protocol = UAC_VERSION_2;  in snd_usb_create_mixer()
2480 	if ((err = snd_usb_mixer_controls(mixer)) < 0 ||  in snd_usb_create_mixer()
2481 	    (err = snd_usb_mixer_status_create(mixer)) < 0)  in snd_usb_create_mixer()
2484 	snd_usb_mixer_apply_create_quirk(mixer);  in snd_usb_create_mixer()
2486 	err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops);  in snd_usb_create_mixer()
2494 	list_add(&mixer->list, &chip->mixer_list);  in snd_usb_create_mixer()
2498 	snd_usb_mixer_free(mixer);  in snd_usb_create_mixer()
2502 void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer)  in snd_usb_mixer_disconnect()  argument
2504 	usb_kill_urb(mixer->urb);  in snd_usb_mixer_disconnect()
2505 	usb_kill_urb(mixer->rc_urb);  in snd_usb_mixer_disconnect()
2510 static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer)  in snd_usb_mixer_inactivate()  argument
2512 	usb_kill_urb(mixer->urb);  in snd_usb_mixer_inactivate()
2513 	usb_kill_urb(mixer->rc_urb);  in snd_usb_mixer_inactivate()
2516 static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer)  in snd_usb_mixer_activate()  argument
2520 	if (mixer->urb) {  in snd_usb_mixer_activate()
2521 		err = usb_submit_urb(mixer->urb, GFP_NOIO);  in snd_usb_mixer_activate()
2529 int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer)  in snd_usb_mixer_suspend()  argument
2531 	snd_usb_mixer_inactivate(mixer);  in snd_usb_mixer_suspend()
2565 int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume)  in snd_usb_mixer_resume()  argument
2573 			for (list = mixer->id_elems[id]; list;  in snd_usb_mixer_resume()
2584 	return snd_usb_mixer_activate(mixer);  in snd_usb_mixer_resume()
2589 				 struct usb_mixer_interface *mixer,  in snd_usb_mixer_elem_init_std()  argument
2592 	list->mixer = mixer;  in snd_usb_mixer_elem_init_std()