91 	hw = &pi->substream->runtime->hw;  in i2sbus_pcm_open()
196 	err = snd_pcm_hw_constraint_integer(pi->substream->runtime,  in i2sbus_pcm_open()
204 			err = cii->codec->open(cii, pi->substream);  in i2sbus_pcm_open()
213 								pi->substream);  in i2sbus_pcm_open()
242 			tmp = cii->codec->close(cii, pi->substream);  in i2sbus_pcm_close()
248 	pi->substream = NULL;  in i2sbus_pcm_close()
298 static int i2sbus_hw_params(struct snd_pcm_substream *substream,  in i2sbus_hw_params()  argument
301 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));  in i2sbus_hw_params()
304 static inline int i2sbus_hw_free(struct snd_pcm_substream *substream, int in)  in i2sbus_hw_free()  argument
306 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_hw_free()
312 	snd_pcm_lib_free_pages(substream);  in i2sbus_hw_free()
316 static int i2sbus_playback_hw_free(struct snd_pcm_substream *substream)  in i2sbus_playback_hw_free()  argument
318 	return i2sbus_hw_free(substream, 0);  in i2sbus_playback_hw_free()
321 static int i2sbus_record_hw_free(struct snd_pcm_substream *substream)  in i2sbus_record_hw_free()  argument
323 	return i2sbus_hw_free(substream, 1);  in i2sbus_record_hw_free()
356 	if (!pi->substream || !pi->substream->runtime) {  in i2sbus_pcm_prepare()
361 	runtime = pi->substream->runtime;  in i2sbus_pcm_prepare()
373 	periodsize = snd_pcm_lib_period_bytes(pi->substream);  in i2sbus_pcm_prepare()
374 	nperiods = pi->substream->runtime->periods;  in i2sbus_pcm_prepare()
468 			err = cii->codec->prepare(cii, &bi, pi->substream);  in i2sbus_pcm_prepare()
559 				cii->codec->start(cii, pi->substream);  in i2sbus_pcm_trigger()
608 				cii->codec->stop(cii, pi->substream);  in i2sbus_pcm_trigger()
630 	if (fc >= pi->substream->runtime->buffer_size)  in i2sbus_pcm_pointer()
631 		fc %= pi->substream->runtime->buffer_size;  in i2sbus_pcm_pointer()
650 	runtime = pi->substream->runtime;  in handle_interrupt()
703 	snd_pcm_period_elapsed(pi->substream);  in handle_interrupt()
722 static int i2sbus_playback_open(struct snd_pcm_substream *substream)  in i2sbus_playback_open()  argument
724 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_open()
728 	i2sdev->out.substream = substream;  in i2sbus_playback_open()
732 static int i2sbus_playback_close(struct snd_pcm_substream *substream)  in i2sbus_playback_close()  argument
734 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_close()
739 	if (i2sdev->out.substream != substream)  in i2sbus_playback_close()
743 		i2sdev->out.substream = NULL;  in i2sbus_playback_close()
747 static int i2sbus_playback_prepare(struct snd_pcm_substream *substream)  in i2sbus_playback_prepare()  argument
749 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_prepare()
753 	if (i2sdev->out.substream != substream)  in i2sbus_playback_prepare()
758 static int i2sbus_playback_trigger(struct snd_pcm_substream *substream, int cmd)  in i2sbus_playback_trigger()  argument
760 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_trigger()
764 	if (i2sdev->out.substream != substream)  in i2sbus_playback_trigger()
770 						 *substream)  in i2sbus_playback_pointer()
772 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_pointer()
776 	if (i2sdev->out.substream != substream)  in i2sbus_playback_pointer()
792 static int i2sbus_record_open(struct snd_pcm_substream *substream)  in i2sbus_record_open()  argument
794 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_open()
798 	i2sdev->in.substream = substream;  in i2sbus_record_open()
802 static int i2sbus_record_close(struct snd_pcm_substream *substream)  in i2sbus_record_close()  argument
804 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_close()
809 	if (i2sdev->in.substream != substream)  in i2sbus_record_close()
813 		i2sdev->in.substream = NULL;  in i2sbus_record_close()
817 static int i2sbus_record_prepare(struct snd_pcm_substream *substream)  in i2sbus_record_prepare()  argument
819 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_prepare()
823 	if (i2sdev->in.substream != substream)  in i2sbus_record_prepare()
828 static int i2sbus_record_trigger(struct snd_pcm_substream *substream, int cmd)  in i2sbus_record_trigger()  argument
830 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_trigger()
834 	if (i2sdev->in.substream != substream)  in i2sbus_record_trigger()
840 					       *substream)  in i2sbus_record_pointer()
842 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_pointer()
846 	if (i2sdev->in.substream != substream)  in i2sbus_record_pointer()