431 	struct snd_pcm_substream *substream;  member
668 static int snd_cs4281_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_cs4281_trigger()  argument
670 	struct cs4281_dma *dma = substream->runtime->private_data;  in snd_cs4281_trigger()
671 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_trigger()
799 static int snd_cs4281_hw_params(struct snd_pcm_substream *substream,  in snd_cs4281_hw_params()  argument
802 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));  in snd_cs4281_hw_params()
805 static int snd_cs4281_hw_free(struct snd_pcm_substream *substream)  in snd_cs4281_hw_free()  argument
807 	return snd_pcm_lib_free_pages(substream);  in snd_cs4281_hw_free()
810 static int snd_cs4281_playback_prepare(struct snd_pcm_substream *substream)  in snd_cs4281_playback_prepare()  argument
812 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4281_playback_prepare()
814 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_playback_prepare()
822 static int snd_cs4281_capture_prepare(struct snd_pcm_substream *substream)  in snd_cs4281_capture_prepare()  argument
824 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4281_capture_prepare()
826 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_capture_prepare()
834 static snd_pcm_uframes_t snd_cs4281_pointer(struct snd_pcm_substream *substream)  in snd_cs4281_pointer()  argument
836 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4281_pointer()
838 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_pointer()
900 static int snd_cs4281_playback_open(struct snd_pcm_substream *substream)  in snd_cs4281_playback_open()  argument
902 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_playback_open()
903 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4281_playback_open()
907 	dma->substream = substream;  in snd_cs4281_playback_open()
919 static int snd_cs4281_capture_open(struct snd_pcm_substream *substream)  in snd_cs4281_capture_open()  argument
921 	struct cs4281 *chip = snd_pcm_substream_chip(substream);  in snd_cs4281_capture_open()
922 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_cs4281_capture_open()
926 	dma->substream = substream;  in snd_cs4281_capture_open()
938 static int snd_cs4281_playback_close(struct snd_pcm_substream *substream)  in snd_cs4281_playback_close()  argument
940 	struct cs4281_dma *dma = substream->runtime->private_data;  in snd_cs4281_playback_close()
942 	dma->substream = NULL;  in snd_cs4281_playback_close()
946 static int snd_cs4281_capture_close(struct snd_pcm_substream *substream)  in snd_cs4281_capture_close()  argument
948 	struct cs4281_dma *dma = substream->runtime->private_data;  in snd_cs4281_capture_close()
950 	dma->substream = NULL;  in snd_cs4281_capture_close()
1653 static int snd_cs4281_midi_input_open(struct snd_rawmidi_substream *substream)  in snd_cs4281_midi_input_open()  argument
1655 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_input_open()
1659 	chip->midi_input = substream;  in snd_cs4281_midi_input_open()
1669 static int snd_cs4281_midi_input_close(struct snd_rawmidi_substream *substream)  in snd_cs4281_midi_input_close()  argument
1671 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_input_close()
1686 static int snd_cs4281_midi_output_open(struct snd_rawmidi_substream *substream)  in snd_cs4281_midi_output_open()  argument
1688 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_output_open()
1693 	chip->midi_output = substream;  in snd_cs4281_midi_output_open()
1703 static int snd_cs4281_midi_output_close(struct snd_rawmidi_substream *substream)  in snd_cs4281_midi_output_close()  argument
1705 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_output_close()
1720 static void snd_cs4281_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)  in snd_cs4281_midi_input_trigger()  argument
1723 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_input_trigger()
1740 static void snd_cs4281_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)  in snd_cs4281_midi_output_trigger()  argument
1743 	struct cs4281 *chip = substream->rmidi->private_data;  in snd_cs4281_midi_output_trigger()
1753 				if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {  in snd_cs4281_midi_output_trigger()
1841 				snd_pcm_period_elapsed(cdma->substream);  in snd_cs4281_interrupt()