69 static void snd_usb_audio_pcm_free(struct snd_pcm *pcm)  in snd_usb_audio_pcm_free()  argument
71 	struct snd_usb_stream *stream = pcm->private_data;  in snd_usb_audio_pcm_free()
73 		stream->pcm = NULL;  in snd_usb_audio_pcm_free()
98 	snd_usb_set_pcm_ops(as->pcm, stream);  in snd_usb_init_substream()
202 static int add_chmap(struct snd_pcm *pcm, int stream,  in add_chmap()  argument
217 	err = snd_pcm_add_chmap_ctls(pcm, stream, NULL, 0, 0, &chmap);  in add_chmap()
326 	struct snd_pcm *pcm;  in snd_usb_add_audio_stream()  local
347 		err = snd_pcm_new_stream(as->pcm, stream, 1);  in snd_usb_add_audio_stream()
351 		return add_chmap(as->pcm, stream, subs);  in snd_usb_add_audio_stream()
364 			  &pcm);  in snd_usb_add_audio_stream()
369 	as->pcm = pcm;  in snd_usb_add_audio_stream()
370 	pcm->private_data = as;  in snd_usb_add_audio_stream()
371 	pcm->private_free = snd_usb_audio_pcm_free;  in snd_usb_add_audio_stream()
372 	pcm->info_flags = 0;  in snd_usb_add_audio_stream()
374 		sprintf(pcm->name, "USB Audio #%d", chip->pcm_devs);  in snd_usb_add_audio_stream()
376 		strcpy(pcm->name, "USB Audio");  in snd_usb_add_audio_stream()
385 	return add_chmap(pcm, stream, &as->substream[stream]);  in snd_usb_add_audio_stream()