423 				   struct snd_pcm_substream *substream,  in snd_cs4231_advance_dma()  argument
426 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4231_advance_dma()
429 		unsigned int period_size = snd_pcm_lib_period_bytes(substream);  in snd_cs4231_advance_dma()
442 static void cs4231_dma_trigger(struct snd_pcm_substream *substream,  in cs4231_dma_trigger()  argument
445 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in cs4231_dma_trigger()
474 static int snd_cs4231_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_cs4231_trigger()  argument
476 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_trigger()
487 		snd_pcm_group_for_each_entry(s, substream) {  in snd_cs4231_trigger()
490 				snd_pcm_trigger_done(s, substream);  in snd_cs4231_trigger()
493 				snd_pcm_trigger_done(s, substream);  in snd_cs4231_trigger()
499 			cs4231_dma_trigger(substream, what, 1);  in snd_cs4231_trigger()
502 			cs4231_dma_trigger(substream, what, 0);  in snd_cs4231_trigger()
886 static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream,  in snd_cs4231_playback_hw_params()  argument
889 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_playback_hw_params()
893 	err = snd_pcm_lib_malloc_pages(substream,  in snd_cs4231_playback_hw_params()
905 static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream)  in snd_cs4231_playback_prepare()  argument
907 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_playback_prepare()
908 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4231_playback_prepare()
930 static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,  in snd_cs4231_capture_hw_params()  argument
933 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_capture_hw_params()
937 	err = snd_pcm_lib_malloc_pages(substream,  in snd_cs4231_capture_hw_params()
949 static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream)  in snd_cs4231_capture_prepare()  argument
951 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_capture_prepare()
998 					struct snd_pcm_substream *substream)  in snd_cs4231_playback_pointer()  argument
1000 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_playback_pointer()
1008 		ptr -= substream->runtime->dma_addr;  in snd_cs4231_playback_pointer()
1010 	return bytes_to_frames(substream->runtime, ptr);  in snd_cs4231_playback_pointer()
1014 					struct snd_pcm_substream *substream)  in snd_cs4231_capture_pointer()  argument
1016 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_capture_pointer()
1024 		ptr -= substream->runtime->dma_addr;  in snd_cs4231_capture_pointer()
1026 	return bytes_to_frames(substream->runtime, ptr);  in snd_cs4231_capture_pointer()
1140 static int snd_cs4231_playback_open(struct snd_pcm_substream *substream)  in snd_cs4231_playback_open()  argument
1142 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_playback_open()
1143 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4231_playback_open()
1153 	chip->playback_substream = substream;  in snd_cs4231_playback_open()
1155 	snd_pcm_set_sync(substream);  in snd_cs4231_playback_open()
1161 static int snd_cs4231_capture_open(struct snd_pcm_substream *substream)  in snd_cs4231_capture_open()  argument
1163 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_capture_open()
1164 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4231_capture_open()
1174 	chip->capture_substream = substream;  in snd_cs4231_capture_open()
1176 	snd_pcm_set_sync(substream);  in snd_cs4231_capture_open()
1182 static int snd_cs4231_playback_close(struct snd_pcm_substream *substream)  in snd_cs4231_playback_close()  argument
1184 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_playback_close()
1192 static int snd_cs4231_capture_close(struct snd_pcm_substream *substream)  in snd_cs4231_capture_close()  argument
1194 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);  in snd_cs4231_capture_close()