303 	struct f_audio *audio = container_of(data, struct f_audio,  in f_audio_playback_work()  local
307 	spin_lock_irq(&audio->lock);  in f_audio_playback_work()
308 	if (list_empty(&audio->play_queue)) {  in f_audio_playback_work()
309 		spin_unlock_irq(&audio->lock);  in f_audio_playback_work()
312 	play_buf = list_first_entry(&audio->play_queue,  in f_audio_playback_work()
315 	spin_unlock_irq(&audio->lock);  in f_audio_playback_work()
317 	u_audio_playback(&audio->card, play_buf->buf, play_buf->actual);  in f_audio_playback_work()
323 	struct f_audio *audio = req->context;  in f_audio_out_ep_complete()  local
324 	struct usb_composite_dev *cdev = audio->card.func.config->cdev;  in f_audio_out_ep_complete()
325 	struct f_audio_buf *copy_buf = audio->copy_buf;  in f_audio_out_ep_complete()
330 	opts = container_of(audio->card.func.fi, struct f_uac1_opts,  in f_audio_out_ep_complete()
339 		list_add_tail(&copy_buf->list, &audio->play_queue);  in f_audio_out_ep_complete()
340 		schedule_work(&audio->playback_work);  in f_audio_out_ep_complete()
348 	audio->copy_buf = copy_buf;  in f_audio_out_ep_complete()
360 	struct f_audio *audio = req->context;  in f_audio_complete()  local
363 	struct usb_ep *out_ep = audio->out_ep;  in f_audio_complete()
370 		else if (audio->set_con) {  in f_audio_complete()
372 			audio->set_con->set(audio->set_con, audio->set_cmd,  in f_audio_complete()
374 			audio->set_con = NULL;  in f_audio_complete()
385 	struct f_audio		*audio = func_to_audio(f);  in audio_set_intf_req()  local
399 	list_for_each_entry(cs, &audio->cs, list) {  in audio_set_intf_req()
403 					audio->set_con = con;  in audio_set_intf_req()
411 	audio->set_cmd = cmd;  in audio_set_intf_req()
412 	req->context = audio;  in audio_set_intf_req()
421 	struct f_audio		*audio = func_to_audio(f);  in audio_get_intf_req()  local
436 	list_for_each_entry(cs, &audio->cs, list) {  in audio_get_intf_req()
448 	req->context = audio;  in audio_get_intf_req()
574 	struct f_audio		*audio = func_to_audio(f);  in f_audio_set_alt()  local
576 	struct usb_ep *out_ep = audio->out_ep;  in f_audio_set_alt()
596 			audio->copy_buf = f_audio_buffer_alloc(audio_buf_size);  in f_audio_set_alt()
597 			if (IS_ERR(audio->copy_buf))  in f_audio_set_alt()
611 						req->context = audio;  in f_audio_set_alt()
627 			struct f_audio_buf *copy_buf = audio->copy_buf;  in f_audio_set_alt()
630 						&audio->play_queue);  in f_audio_set_alt()
631 				schedule_work(&audio->playback_work);  in f_audio_set_alt()
646 static void f_audio_build_desc(struct f_audio *audio)  in f_audio_build_desc()  argument
648 	struct gaudio *card = &audio->card;  in f_audio_build_desc()
671 	struct f_audio		*audio = func_to_audio(f);  in f_audio_bind()  local
678 	audio->card.gadget = c->cdev->gadget;  in f_audio_bind()
681 		status = gaudio_setup(&audio->card);  in f_audio_bind()
698 	f_audio_build_desc(audio);  in f_audio_bind()
718 	audio->out_ep = ep;  in f_audio_bind()
719 	audio->out_ep->desc = &as_out_ep_desc;  in f_audio_bind()
730 	gaudio_cleanup(&audio->card);  in f_audio_bind()
749 static int control_selector_init(struct f_audio *audio)  in control_selector_init()  argument
751 	INIT_LIST_HEAD(&audio->cs);  in control_selector_init()
752 	list_add(&feature_unit.list, &audio->cs);  in control_selector_init()
930 	struct f_audio *audio = func_to_audio(f);  in f_audio_free()  local
933 	gaudio_cleanup(&audio->card);  in f_audio_free()
935 	kfree(audio);  in f_audio_free()
948 	struct f_audio *audio;  in f_audio_alloc()  local
952 	audio = kzalloc(sizeof(*audio), GFP_KERNEL);  in f_audio_alloc()
953 	if (!audio)  in f_audio_alloc()
956 	audio->card.func.name = "g_audio";  in f_audio_alloc()
962 	INIT_LIST_HEAD(&audio->play_queue);  in f_audio_alloc()
963 	spin_lock_init(&audio->lock);  in f_audio_alloc()
965 	audio->card.func.bind = f_audio_bind;  in f_audio_alloc()
966 	audio->card.func.unbind = f_audio_unbind;  in f_audio_alloc()
967 	audio->card.func.set_alt = f_audio_set_alt;  in f_audio_alloc()
968 	audio->card.func.setup = f_audio_setup;  in f_audio_alloc()
969 	audio->card.func.disable = f_audio_disable;  in f_audio_alloc()
970 	audio->card.func.free_func = f_audio_free;  in f_audio_alloc()
972 	control_selector_init(audio);  in f_audio_alloc()
974 	INIT_WORK(&audio->playback_work, f_audio_playback_work);  in f_audio_alloc()
976 	return &audio->card.func;  in f_audio_alloc()