65 static int snd_usbtv_pcm_open(struct snd_pcm_substream *substream)  in snd_usbtv_pcm_open()  argument
67 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_pcm_open()
68 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_usbtv_pcm_open()
70 	chip->snd_substream = substream;  in snd_usbtv_pcm_open()
76 static int snd_usbtv_pcm_close(struct snd_pcm_substream *substream)  in snd_usbtv_pcm_close()  argument
78 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_pcm_close()
88 static int snd_usbtv_hw_params(struct snd_pcm_substream *substream,  in snd_usbtv_hw_params()  argument
92 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_hw_params()
94 	rv = snd_pcm_lib_malloc_pages(substream,  in snd_usbtv_hw_params()
106 static int snd_usbtv_hw_free(struct snd_pcm_substream *substream)  in snd_usbtv_hw_free()  argument
108 	snd_pcm_lib_free_pages(substream);  in snd_usbtv_hw_free()
112 static int snd_usbtv_prepare(struct snd_pcm_substream *substream)  in snd_usbtv_prepare()  argument
114 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_prepare()
125 	struct snd_pcm_substream *substream = chip->snd_substream;  in usbtv_audio_urb_received()  local
126 	struct snd_pcm_runtime *runtime = substream->runtime;  in usbtv_audio_urb_received()
182 	snd_pcm_stream_lock(substream);  in usbtv_audio_urb_received()
187 	snd_pcm_stream_unlock(substream);  in usbtv_audio_urb_received()
190 		snd_pcm_period_elapsed(substream);  in usbtv_audio_urb_received()
304 static int snd_usbtv_card_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_usbtv_card_trigger()  argument
306 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_card_trigger()
328 static snd_pcm_uframes_t snd_usbtv_pointer(struct snd_pcm_substream *substream)  in snd_usbtv_pointer()  argument
330 	struct usbtv *chip = snd_pcm_substream_chip(substream);  in snd_usbtv_pointer()