67 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_pcm_open()
78 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_pcm_close()
90 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_prepare()
100 	struct usbtv *chip = urb->context;  in usbtv_audio_urb_received()
172 static int usbtv_audio_start(struct usbtv *chip)  in usbtv_audio_start()
231 static int usbtv_audio_stop(struct usbtv *chip)  in usbtv_audio_stop()
256 void usbtv_audio_suspend(struct usbtv *usbtv)  in usbtv_audio_suspend()  argument
258 	if (atomic_read(&usbtv->snd_stream) && usbtv->snd_bulk_urb)  in usbtv_audio_suspend()
259 		usb_kill_urb(usbtv->snd_bulk_urb);  in usbtv_audio_suspend()
262 void usbtv_audio_resume(struct usbtv *usbtv)  in usbtv_audio_resume()  argument
264 	if (atomic_read(&usbtv->snd_stream) && usbtv->snd_bulk_urb)  in usbtv_audio_resume()
265 		usb_submit_urb(usbtv->snd_bulk_urb, GFP_ATOMIC);  in usbtv_audio_resume()
270 	struct usbtv *chip = container_of(work, struct usbtv, snd_trigger);  in snd_usbtv_trigger()
283 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_card_trigger()
307 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_pointer()
320 int usbtv_audio_init(struct usbtv *usbtv)  in usbtv_audio_init()  argument
326 	INIT_WORK(&usbtv->snd_trigger, snd_usbtv_trigger);  in usbtv_audio_init()
327 	atomic_set(&usbtv->snd_stream, 0);  in usbtv_audio_init()
329 	rv = snd_card_new(&usbtv->udev->dev, SNDRV_DEFAULT_IDX1, "usbtv",  in usbtv_audio_init()
334 	strscpy(card->driver, usbtv->dev->driver->name, sizeof(card->driver));  in usbtv_audio_init()
337 		"USBTV Audio at bus %d device %d", usbtv->udev->bus->busnum,  in usbtv_audio_init()
338 		usbtv->udev->devnum);  in usbtv_audio_init()
340 	snd_card_set_dev(card, usbtv->dev);  in usbtv_audio_init()
342 	usbtv->snd = card;  in usbtv_audio_init()
350 	pcm->private_data = usbtv;  in usbtv_audio_init()
363 	usbtv->snd = NULL;  in usbtv_audio_init()
369 void usbtv_audio_free(struct usbtv *usbtv)  in usbtv_audio_free()  argument
371 	cancel_work_sync(&usbtv->snd_trigger);  in usbtv_audio_free()
373 	if (usbtv->snd && usbtv->udev) {  in usbtv_audio_free()
374 		snd_card_free_when_closed(usbtv->snd);  in usbtv_audio_free()
375 		usbtv->snd = NULL;  in usbtv_audio_free()