114 	struct snd_pcm_substream *substream;  in cobalt_alsa_announce_pcm_data()  local
126 	substream = cobsc->capture_pcm_substream;  in cobalt_alsa_announce_pcm_data()
127 	if (substream == NULL) {  in cobalt_alsa_announce_pcm_data()
132 	runtime = substream->runtime;  in cobalt_alsa_announce_pcm_data()
175 	snd_pcm_stream_lock_irqsave(substream, flags);  in cobalt_alsa_announce_pcm_data()
191 	snd_pcm_stream_unlock_irqrestore(substream, flags);  in cobalt_alsa_announce_pcm_data()
194 		snd_pcm_period_elapsed(substream);  in cobalt_alsa_announce_pcm_data()
219 static int snd_cobalt_pcm_capture_open(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_capture_open()  argument
221 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cobalt_pcm_capture_open()
222 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_capture_open()
227 	cobsc->capture_pcm_substream = substream;  in snd_cobalt_pcm_capture_open()
242 static int snd_cobalt_pcm_capture_close(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_capture_close()  argument
244 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_capture_close()
253 static int snd_cobalt_pcm_ioctl(struct snd_pcm_substream *substream,  in snd_cobalt_pcm_ioctl()  argument
256 	return snd_pcm_lib_ioctl(substream, cmd, arg);  in snd_cobalt_pcm_ioctl()
281 static int snd_cobalt_pcm_hw_params(struct snd_pcm_substream *substream,  in snd_cobalt_pcm_hw_params()  argument
286 	return snd_pcm_alloc_vmalloc_buffer(substream,  in snd_cobalt_pcm_hw_params()
290 static int snd_cobalt_pcm_hw_free(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_hw_free()  argument
292 	if (substream->runtime->dma_area) {  in snd_cobalt_pcm_hw_free()
294 		vfree(substream->runtime->dma_area);  in snd_cobalt_pcm_hw_free()
295 		substream->runtime->dma_area = NULL;  in snd_cobalt_pcm_hw_free()
301 static int snd_cobalt_pcm_prepare(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_prepare()  argument
303 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_prepare()
311 static int snd_cobalt_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_cobalt_pcm_trigger()  argument
324 snd_pcm_uframes_t snd_cobalt_pcm_pointer(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_pointer()  argument
327 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pointer()
362 	struct snd_pcm_substream *substream;  in cobalt_alsa_pb_pcm_data()  local
373 	substream = cobsc->playback_pcm_substream;  in cobalt_alsa_pb_pcm_data()
374 	if (substream == NULL) {  in cobalt_alsa_pb_pcm_data()
379 	runtime = substream->runtime;  in cobalt_alsa_pb_pcm_data()
407 	snd_pcm_stream_lock_irqsave(substream, flags);  in cobalt_alsa_pb_pcm_data()
411 	snd_pcm_stream_unlock_irqrestore(substream, flags);  in cobalt_alsa_pb_pcm_data()
413 		snd_pcm_period_elapsed(substream);  in cobalt_alsa_pb_pcm_data()
428 static int snd_cobalt_pcm_playback_open(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_playback_open()  argument
430 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_playback_open()
431 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cobalt_pcm_playback_open()
436 	cobsc->playback_pcm_substream = substream;  in snd_cobalt_pcm_playback_open()
452 static int snd_cobalt_pcm_playback_close(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_playback_close()  argument
454 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_playback_close()
463 static int snd_cobalt_pcm_pb_prepare(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_pb_prepare()  argument
465 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pb_prepare()
467 	cobsc->pb_size = snd_pcm_lib_buffer_bytes(substream);  in snd_cobalt_pcm_pb_prepare()
468 	cobsc->pb_count = snd_pcm_lib_period_bytes(substream);  in snd_cobalt_pcm_pb_prepare()
474 static int snd_cobalt_pcm_pb_trigger(struct snd_pcm_substream *substream,  in snd_cobalt_pcm_pb_trigger()  argument
477 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pb_trigger()
494 snd_pcm_uframes_t snd_cobalt_pcm_pb_pointer(struct snd_pcm_substream *substream)  in snd_cobalt_pcm_pb_pointer()  argument
496 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pb_pointer()
501 	return bytes_to_frames(substream->runtime, ptr) %  in snd_cobalt_pcm_pb_pointer()
502 	       substream->runtime->buffer_size;  in snd_cobalt_pcm_pb_pointer()