76 	struct snd_pcm_substream *substream;  in cx18_alsa_announce_pcm_data()  local
86 	substream = cxsc->capture_pcm_substream;  in cx18_alsa_announce_pcm_data()
87 	if (substream == NULL) {  in cx18_alsa_announce_pcm_data()
92 	runtime = substream->runtime;  in cx18_alsa_announce_pcm_data()
127 	snd_pcm_stream_lock(substream);  in cx18_alsa_announce_pcm_data()
143 	snd_pcm_stream_unlock(substream);  in cx18_alsa_announce_pcm_data()
146 		snd_pcm_period_elapsed(substream);  in cx18_alsa_announce_pcm_data()
149 static int snd_cx18_pcm_capture_open(struct snd_pcm_substream *substream)  in snd_cx18_pcm_capture_open()  argument
151 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);  in snd_cx18_pcm_capture_open()
152 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cx18_pcm_capture_open()
184 	cxsc->capture_pcm_substream = substream;  in snd_cx18_pcm_capture_open()
197 static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream)  in snd_cx18_pcm_capture_close()  argument
199 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);  in snd_cx18_pcm_capture_close()
218 static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream,  in snd_cx18_pcm_ioctl()  argument
221 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);  in snd_cx18_pcm_ioctl()
225 	ret = snd_pcm_lib_ioctl(substream, cmd, arg);  in snd_cx18_pcm_ioctl()
252 static int snd_cx18_pcm_hw_params(struct snd_pcm_substream *substream,  in snd_cx18_pcm_hw_params()  argument
257 	return snd_pcm_alloc_vmalloc_buffer(substream,  in snd_cx18_pcm_hw_params()
261 static int snd_cx18_pcm_hw_free(struct snd_pcm_substream *substream)  in snd_cx18_pcm_hw_free()  argument
263 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);  in snd_cx18_pcm_hw_free()
267 	if (substream->runtime->dma_area) {  in snd_cx18_pcm_hw_free()
269 		vfree(substream->runtime->dma_area);  in snd_cx18_pcm_hw_free()
270 		substream->runtime->dma_area = NULL;  in snd_cx18_pcm_hw_free()
277 static int snd_cx18_pcm_prepare(struct snd_pcm_substream *substream)  in snd_cx18_pcm_prepare()  argument
279 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);  in snd_cx18_pcm_prepare()
287 static int snd_cx18_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_cx18_pcm_trigger()  argument
293 snd_pcm_uframes_t snd_cx18_pcm_pointer(struct snd_pcm_substream *substream)  in snd_cx18_pcm_pointer()  argument
297 	struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);  in snd_cx18_pcm_pointer()