77 	struct snd_pcm_substream *substream;  in ivtv_alsa_announce_pcm_data()  local
87 	substream = itvsc->capture_pcm_substream;  in ivtv_alsa_announce_pcm_data()
88 	if (substream == NULL) {  in ivtv_alsa_announce_pcm_data()
93 	runtime = substream->runtime;  in ivtv_alsa_announce_pcm_data()
128 	snd_pcm_stream_lock(substream);  in ivtv_alsa_announce_pcm_data()
144 	snd_pcm_stream_unlock(substream);  in ivtv_alsa_announce_pcm_data()
147 		snd_pcm_period_elapsed(substream);  in ivtv_alsa_announce_pcm_data()
150 static int snd_ivtv_pcm_capture_open(struct snd_pcm_substream *substream)  in snd_ivtv_pcm_capture_open()  argument
152 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_capture_open()
153 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ivtv_pcm_capture_open()
191 	itvsc->capture_pcm_substream = substream;  in snd_ivtv_pcm_capture_open()
204 static int snd_ivtv_pcm_capture_close(struct snd_pcm_substream *substream)  in snd_ivtv_pcm_capture_close()  argument
206 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_capture_close()
225 static int snd_ivtv_pcm_ioctl(struct snd_pcm_substream *substream,  in snd_ivtv_pcm_ioctl()  argument
228 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_ioctl()
232 	ret = snd_pcm_lib_ioctl(substream, cmd, arg);  in snd_ivtv_pcm_ioctl()
259 static int snd_ivtv_pcm_hw_params(struct snd_pcm_substream *substream,  in snd_ivtv_pcm_hw_params()  argument
264 	return snd_pcm_alloc_vmalloc_buffer(substream,  in snd_ivtv_pcm_hw_params()
268 static int snd_ivtv_pcm_hw_free(struct snd_pcm_substream *substream)  in snd_ivtv_pcm_hw_free()  argument
270 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_hw_free()
274 	if (substream->runtime->dma_area) {  in snd_ivtv_pcm_hw_free()
276 		vfree(substream->runtime->dma_area);  in snd_ivtv_pcm_hw_free()
277 		substream->runtime->dma_area = NULL;  in snd_ivtv_pcm_hw_free()
284 static int snd_ivtv_pcm_prepare(struct snd_pcm_substream *substream)  in snd_ivtv_pcm_prepare()  argument
286 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_prepare()
294 static int snd_ivtv_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_ivtv_pcm_trigger()  argument
300 snd_pcm_uframes_t snd_ivtv_pcm_pointer(struct snd_pcm_substream *substream)  in snd_ivtv_pcm_pointer()  argument
304 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_pointer()