92 static int snd_cs5535audio_playback_open(struct snd_pcm_substream *substream)  in snd_cs5535audio_playback_open()  argument
95 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_playback_open()
96 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs5535audio_playback_open()
101 	cs5535au->playback_substream = substream;  in snd_cs5535audio_playback_open()
110 static int snd_cs5535audio_playback_close(struct snd_pcm_substream *substream)  in snd_cs5535audio_playback_close()  argument
120 					 struct snd_pcm_substream *substream,  in cs5535audio_build_dma_packets()  argument
145 	addr = (u32) substream->runtime->dma_addr;  in cs5535audio_build_dma_packets()
164 	dma->substream = substream;  in cs5535audio_build_dma_packets()
238 					  struct snd_pcm_substream *substream)  in cs5535audio_clear_dma_packets()  argument
242 	dma->substream = NULL;  in cs5535audio_clear_dma_packets()
245 static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,  in snd_cs5535audio_hw_params()  argument
248 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_hw_params()
249 	struct cs5535audio_dma *dma = substream->runtime->private_data;  in snd_cs5535audio_hw_params()
252 	err = snd_pcm_lib_malloc_pages(substream,  in snd_cs5535audio_hw_params()
256 	dma->buf_addr = substream->runtime->dma_addr;  in snd_cs5535audio_hw_params()
259 	err = cs5535audio_build_dma_packets(cs5535au, dma, substream,  in snd_cs5535audio_hw_params()
268 static int snd_cs5535audio_hw_free(struct snd_pcm_substream *substream)  in snd_cs5535audio_hw_free()  argument
270 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_hw_free()
271 	struct cs5535audio_dma *dma = substream->runtime->private_data;  in snd_cs5535audio_hw_free()
274 		if (substream == cs5535au->playback_substream)  in snd_cs5535audio_hw_free()
282 	cs5535audio_clear_dma_packets(cs5535au, dma, substream);  in snd_cs5535audio_hw_free()
283 	return snd_pcm_lib_free_pages(substream);  in snd_cs5535audio_hw_free()
286 static int snd_cs5535audio_playback_prepare(struct snd_pcm_substream *substream)  in snd_cs5535audio_playback_prepare()  argument
288 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_playback_prepare()
290 				 substream->runtime->rate);  in snd_cs5535audio_playback_prepare()
293 static int snd_cs5535audio_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_cs5535audio_trigger()  argument
295 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_trigger()
296 	struct cs5535audio_dma *dma = substream->runtime->private_data;  in snd_cs5535audio_trigger()
329 							*substream)  in snd_cs5535audio_pcm_pointer()
331 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_pcm_pointer()
335 	dma = substream->runtime->private_data;  in snd_cs5535audio_pcm_pointer()
348 	return bytes_to_frames(substream->runtime, curdma);  in snd_cs5535audio_pcm_pointer()
351 static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream)  in snd_cs5535audio_capture_open()  argument
354 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_capture_open()
355 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs5535audio_capture_open()
360 	cs5535au->capture_substream = substream;  in snd_cs5535audio_capture_open()
369 static int snd_cs5535audio_capture_close(struct snd_pcm_substream *substream)  in snd_cs5535audio_capture_close()  argument
371 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_capture_close()
376 static int snd_cs5535audio_capture_prepare(struct snd_pcm_substream *substream)  in snd_cs5535audio_capture_prepare()  argument
378 	struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);  in snd_cs5535audio_capture_prepare()
380 				 substream->runtime->rate);  in snd_cs5535audio_capture_prepare()