Cross Reference: /drivers/media/video/cx18/cx18-alsa-pcm.c

Lines Matching refs:substream
75 	struct snd_pcm_substream *substream;
85 	substream = cxsc->capture_pcm_substream;
86 	if (substream == NULL) {
87 		dprintk("substream was NULL\n");
91 	runtime = substream->runtime;
126 	snd_pcm_stream_lock(substream);
142 	snd_pcm_stream_unlock(substream);
145 		snd_pcm_period_elapsed(substream);
148 static int snd_cx18_pcm_capture_open(struct snd_pcm_substream *substream)
150 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
151 	struct snd_pcm_runtime *runtime = substream->runtime;
183 	cxsc->capture_pcm_substream = substream;
196 static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream)
198 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
218 static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream,
221 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
225 	ret = snd_pcm_lib_ioctl(substream, cmd, arg);
252 static int snd_cx18_pcm_hw_params(struct snd_pcm_substream *substream,
259 	ret = snd_pcm_alloc_vmalloc_buffer(substream,
264 static int snd_cx18_pcm_hw_free(struct snd_pcm_substream *substream)
266 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
270 	if (substream->runtime->dma_area) {
272 		vfree(substream->runtime->dma_area);
273 		substream->runtime->dma_area = NULL;
280 static int snd_cx18_pcm_prepare(struct snd_pcm_substream *substream)
282 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
290 static int snd_cx18_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
296 snd_pcm_uframes_t snd_cx18_pcm_pointer(struct snd_pcm_substream *substream)
300 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
340 			  1, /* 1 capture substream */