223         struct snd_pcm_substream *substream;  member
278 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream,  in build_via_table()  argument
283 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in build_via_table()
318 			addr = snd_pcm_sgbuf_get_addr(substream, ofs);  in build_via_table()
350 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream,  in clean_via_table()  argument
503 		if (viadev->substream && viadev->running) {  in snd_via82xx_interrupt()
505 			snd_pcm_period_elapsed(viadev->substream);  in snd_via82xx_interrupt()
521 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_via82xx_pcm_trigger()  argument
523 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in snd_via82xx_pcm_trigger()
524 	struct viadev *viadev = substream->runtime->private_data;  in snd_via82xx_pcm_trigger()
618 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream)  in snd_via686_pcm_pointer()  argument
620 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in snd_via686_pcm_pointer()
621 	struct viadev *viadev = substream->runtime->private_data;  in snd_via686_pcm_pointer()
643 	return bytes_to_frames(substream->runtime, res);  in snd_via686_pcm_pointer()
650 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream,  in snd_via82xx_hw_params()  argument
653 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in snd_via82xx_hw_params()
654 	struct viadev *viadev = substream->runtime->private_data;  in snd_via82xx_hw_params()
657 	err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));  in snd_via82xx_hw_params()
660 	err = build_via_table(viadev, substream, chip->pci,  in snd_via82xx_hw_params()
676 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream)  in snd_via82xx_hw_free()  argument
678 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in snd_via82xx_hw_free()
679 	struct viadev *viadev = substream->runtime->private_data;  in snd_via82xx_hw_free()
681 	clean_via_table(viadev, substream, chip->pci);  in snd_via82xx_hw_free()
682 	snd_pcm_lib_free_pages(substream);  in snd_via82xx_hw_free()
701 static int snd_via82xx_pcm_prepare(struct snd_pcm_substream *substream)  in snd_via82xx_pcm_prepare()  argument
703 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in snd_via82xx_pcm_prepare()
704 	struct viadev *viadev = substream->runtime->private_data;  in snd_via82xx_pcm_prepare()
743 				      struct snd_pcm_substream *substream)  in snd_via82xx_modem_pcm_open()  argument
745 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_via82xx_modem_pcm_open()
766 	viadev->substream = substream;  in snd_via82xx_modem_pcm_open()
775 static int snd_via82xx_playback_open(struct snd_pcm_substream *substream)  in snd_via82xx_playback_open()  argument
777 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in snd_via82xx_playback_open()
778 	struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number];  in snd_via82xx_playback_open()
780 	return snd_via82xx_modem_pcm_open(chip, viadev, substream);  in snd_via82xx_playback_open()
786 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream)  in snd_via82xx_capture_open()  argument
788 	struct via82xx_modem *chip = snd_pcm_substream_chip(substream);  in snd_via82xx_capture_open()
789 	struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device];  in snd_via82xx_capture_open()
791 	return snd_via82xx_modem_pcm_open(chip, viadev, substream);  in snd_via82xx_capture_open()
797 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream)  in snd_via82xx_pcm_close()  argument
799 	struct viadev *viadev = substream->runtime->private_data;  in snd_via82xx_pcm_close()
801 	viadev->substream = NULL;  in snd_via82xx_pcm_close()