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()
743 			term->chconfig = uac_mixer_unit_wChannelConfig(d, state->mixer->protocol);  in check_input_term()
766 			if (state->mixer->protocol == UAC_VERSION_2 &&  in check_input_term()
780 			term->chconfig = uac_processing_unit_wChannelConfig(d, state->mixer->protocol);  in check_input_term()
781 			term->name = uac_processing_unit_iProcessing(d, state->mixer->protocol);  in check_input_term()
841 	struct snd_usb_audio *chip = cval->head.mixer->chip;  in volume_control_quirks()
968 			usb_audio_err(cval->head.mixer->chip,  in get_min_max_with_quirks()
970 				   cval->head.id, snd_usb_ctrl_intf(cval->head.mixer->chip),  in get_min_max_with_quirks()
1075 				snd_ctl_notify(cval->head.mixer->chip->card,  in mixer_ctl_feature_info()
1246 	snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in build_feature_ctl()
1250 	if (state->mixer->protocol == UAC_VERSION_1)  in build_feature_ctl()
1315 			check_no_speaker_on_headset(kctl, state->mixer->chip->card);  in build_feature_ctl()
1351 	snd_usb_mixer_fu_apply_quirk(state->mixer, cval, unitid, kctl);  in build_feature_ctl()
1390 	if (state->mixer->protocol == UAC_VERSION_1) {  in parse_audio_feature_unit()
1450 	if (state->mixer->protocol == UAC_VERSION_1) {  in parse_audio_feature_unit()
1546 	snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in build_mixer_unit_ctl()
1550 		__u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol);  in build_mixer_unit_ctl()
1619 						state->mixer->protocol);  in parse_audio_mixer_unit()
1798 	    desc->bLength < num_ins + uac_processing_unit_bControlSize(desc, state->mixer->protocol)) {  in build_audio_procunit()
1816 		__u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol);  in build_audio_procunit()
1826 		snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in build_audio_procunit()
1833 			__u8 *control_spec = uac_processing_unit_specific(desc, state->mixer->protocol);  in build_audio_procunit()
1865 			nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol);  in build_audio_procunit()
2029 	snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);  in parse_audio_selector_unit()
2037 	if (state->mixer->protocol == UAC_VERSION_1)  in parse_audio_selector_unit()
2134 		if (state->mixer->protocol == UAC_VERSION_1)  in parse_audio_unit()
2140 		if (state->mixer->protocol == UAC_VERSION_1)  in parse_audio_unit()
2153 static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)  in snd_usb_mixer_free()  argument
2155 	kfree(mixer->id_elems);  in snd_usb_mixer_free()
2156 	if (mixer->urb) {  in snd_usb_mixer_free()
2157 		kfree(mixer->urb->transfer_buffer);  in snd_usb_mixer_free()
2158 		usb_free_urb(mixer->urb);  in snd_usb_mixer_free()
2160 	usb_free_urb(mixer->rc_urb);  in snd_usb_mixer_free()
2161 	kfree(mixer->rc_setup_packet);  in snd_usb_mixer_free()
2162 	kfree(mixer);  in snd_usb_mixer_free()
2167 	struct usb_mixer_interface *mixer = device->device_data;  in snd_usb_mixer_dev_free()  local
2168 	snd_usb_mixer_free(mixer);  in snd_usb_mixer_dev_free()
2177 static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)  in snd_usb_mixer_controls()  argument
2185 	state.chip = mixer->chip;  in snd_usb_mixer_controls()
2186 	state.mixer = mixer;  in snd_usb_mixer_controls()
2187 	state.buffer = mixer->hostif->extra;  in snd_usb_mixer_controls()
2188 	state.buflen = mixer->hostif->extralen;  in snd_usb_mixer_controls()
2195 			mixer->ignore_ctl_error = map->ignore_ctl_error;  in snd_usb_mixer_controls()
2201 	while ((p = snd_usb_find_csint_desc(mixer->hostif->extra,  in snd_usb_mixer_controls()
2202 					    mixer->hostif->extralen,  in snd_usb_mixer_controls()
2204 		if (mixer->protocol == UAC_VERSION_1) {  in snd_usb_mixer_controls()
2244 void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid)  in snd_usb_mixer_notify_id()  argument
2248 	for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem)  in snd_usb_mixer_notify_id()
2249 		snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,  in snd_usb_mixer_notify_id()
2271 	struct usb_mixer_interface *mixer;  in snd_usb_mixer_proc_read()  local
2275 	list_for_each_entry(mixer, &chip->mixer_list, list) {  in snd_usb_mixer_proc_read()
2279 				mixer->ignore_ctl_error);  in snd_usb_mixer_proc_read()
2282 			for (list = mixer->id_elems[unitid]; list;  in snd_usb_mixer_proc_read()
2297 static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer,  in snd_usb_mixer_interrupt_v2()  argument
2306 		usb_audio_dbg(mixer->chip,  in snd_usb_mixer_interrupt_v2()
2312 	for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) {  in snd_usb_mixer_interrupt_v2()
2330 			snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,  in snd_usb_mixer_interrupt_v2()
2343 			usb_audio_dbg(mixer->chip,  in snd_usb_mixer_interrupt_v2()
2353 	struct usb_mixer_interface *mixer = urb->context;  in snd_usb_mixer_interrupt()  local
2360 	if (mixer->protocol == UAC_VERSION_1) {  in snd_usb_mixer_interrupt()
2376 				snd_usb_mixer_rc_memory_change(mixer, status->bOriginator);  in snd_usb_mixer_interrupt()
2378 				snd_usb_mixer_notify_id(mixer, status->bOriginator);  in snd_usb_mixer_interrupt()
2391 			snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute,  in snd_usb_mixer_interrupt()
2401 		urb->dev = mixer->chip->dev;  in snd_usb_mixer_interrupt()
2407 static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer)  in snd_usb_mixer_status_create()  argument
2415 	if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1)  in snd_usb_mixer_status_create()
2417 	ep = get_endpoint(mixer->hostif, 0);  in snd_usb_mixer_status_create()
2426 	mixer->urb = usb_alloc_urb(0, GFP_KERNEL);  in snd_usb_mixer_status_create()
2427 	if (!mixer->urb) {  in snd_usb_mixer_status_create()
2431 	usb_fill_int_urb(mixer->urb, mixer->chip->dev,  in snd_usb_mixer_status_create()
2432 			 usb_rcvintpipe(mixer->chip->dev, epnum),  in snd_usb_mixer_status_create()
2434 			 snd_usb_mixer_interrupt, mixer, ep->bInterval);  in snd_usb_mixer_status_create()
2435 	usb_submit_urb(mixer->urb, GFP_KERNEL);  in snd_usb_mixer_status_create()
2445 	struct usb_mixer_interface *mixer;  in snd_usb_create_mixer()  local
2451 	mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);  in snd_usb_create_mixer()
2452 	if (!mixer)  in snd_usb_create_mixer()
2454 	mixer->chip = chip;  in snd_usb_create_mixer()
2455 	mixer->ignore_ctl_error = ignore_error;  in snd_usb_create_mixer()
2456 	mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems),  in snd_usb_create_mixer()
2458 	if (!mixer->id_elems) {  in snd_usb_create_mixer()
2459 		kfree(mixer);  in snd_usb_create_mixer()
2463 	mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];  in snd_usb_create_mixer()
2464 	switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) {  in snd_usb_create_mixer()
2467 		mixer->protocol = UAC_VERSION_1;  in snd_usb_create_mixer()
2470 		mixer->protocol = UAC_VERSION_2;  in snd_usb_create_mixer()
2474 	if ((err = snd_usb_mixer_controls(mixer)) < 0 ||  in snd_usb_create_mixer()
2475 	    (err = snd_usb_mixer_status_create(mixer)) < 0)  in snd_usb_create_mixer()
2478 	snd_usb_mixer_apply_create_quirk(mixer);  in snd_usb_create_mixer()
2480 	err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops);  in snd_usb_create_mixer()
2488 	list_add(&mixer->list, &chip->mixer_list);  in snd_usb_create_mixer()
2492 	snd_usb_mixer_free(mixer);  in snd_usb_create_mixer()
2496 void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer)  in snd_usb_mixer_disconnect()  argument
2498 	usb_kill_urb(mixer->urb);  in snd_usb_mixer_disconnect()
2499 	usb_kill_urb(mixer->rc_urb);  in snd_usb_mixer_disconnect()
2504 static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer)  in snd_usb_mixer_inactivate()  argument
2506 	usb_kill_urb(mixer->urb);  in snd_usb_mixer_inactivate()
2507 	usb_kill_urb(mixer->rc_urb);  in snd_usb_mixer_inactivate()
2510 static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer)  in snd_usb_mixer_activate()  argument
2514 	if (mixer->urb) {  in snd_usb_mixer_activate()
2515 		err = usb_submit_urb(mixer->urb, GFP_NOIO);  in snd_usb_mixer_activate()
2523 int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer)  in snd_usb_mixer_suspend()  argument
2525 	snd_usb_mixer_inactivate(mixer);  in snd_usb_mixer_suspend()
2559 int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume)  in snd_usb_mixer_resume()  argument
2567 			for (list = mixer->id_elems[id]; list;  in snd_usb_mixer_resume()
2578 	return snd_usb_mixer_activate(mixer);  in snd_usb_mixer_resume()
2583 				 struct usb_mixer_interface *mixer,  in snd_usb_mixer_elem_init_std()  argument
2586 	list->mixer = mixer;  in snd_usb_mixer_elem_init_std()