111 			struct snd_pcm_str *pstr;  in snd_pcm_control_ioctl()  local
130 			pstr = &pcm->streams[stream];  in snd_pcm_control_ioctl()
131 			if (pstr->substream_count == 0) {  in snd_pcm_control_ioctl()
135 			if (subdevice >= pstr->substream_count) {  in snd_pcm_control_ioctl()
139 			for (substream = pstr->substream; substream;  in snd_pcm_control_ioctl()
452 	struct snd_pcm_str *pstr = entry->private_data;  in snd_pcm_xrun_debug_read()  local
453 	snd_iprintf(buffer, "%d\n", pstr->xrun_debug);  in snd_pcm_xrun_debug_read()
459 	struct snd_pcm_str *pstr = entry->private_data;  in snd_pcm_xrun_debug_write()  local
462 		pstr->xrun_debug = simple_strtoul(line, NULL, 10);  in snd_pcm_xrun_debug_write()
466 static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)  in snd_pcm_stream_proc_init()  argument
468 	struct snd_pcm *pcm = pstr->pcm;  in snd_pcm_stream_proc_init()
473 		pstr->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c');  in snd_pcm_stream_proc_init()
481 	pstr->proc_root = entry;  in snd_pcm_stream_proc_init()
483 	if ((entry = snd_info_create_card_entry(pcm->card, "info", pstr->proc_root)) != NULL) {  in snd_pcm_stream_proc_init()
484 		snd_info_set_text_ops(entry, pstr, snd_pcm_stream_proc_info_read);  in snd_pcm_stream_proc_init()
490 	pstr->proc_info_entry = entry;  in snd_pcm_stream_proc_init()
494 						pstr->proc_root)) != NULL) {  in snd_pcm_stream_proc_init()
498 		entry->private_data = pstr;  in snd_pcm_stream_proc_init()
504 	pstr->proc_xrun_debug_entry = entry;  in snd_pcm_stream_proc_init()
509 static int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr)  in snd_pcm_stream_proc_done()  argument
512 	snd_info_free_entry(pstr->proc_xrun_debug_entry);  in snd_pcm_stream_proc_done()
513 	pstr->proc_xrun_debug_entry = NULL;  in snd_pcm_stream_proc_done()
515 	snd_info_free_entry(pstr->proc_info_entry);  in snd_pcm_stream_proc_done()
516 	pstr->proc_info_entry = NULL;  in snd_pcm_stream_proc_done()
517 	snd_info_free_entry(pstr->proc_root);  in snd_pcm_stream_proc_done()
518 	pstr->proc_root = NULL;  in snd_pcm_stream_proc_done()
531 	if ((entry = snd_info_create_card_entry(card, name, substream->pstr->proc_root)) == NULL)  in snd_pcm_substream_proc_init()
598 static inline int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr) { return 0; }  in snd_pcm_stream_proc_init()  argument
599 static inline int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr) { return 0; }  in snd_pcm_stream_proc_done()  argument
620 	struct snd_pcm_str *pstr = &pcm->streams[stream];  in snd_pcm_new_stream()  local
624 	mutex_init(&pstr->oss.setup_mutex);  in snd_pcm_new_stream()
626 	pstr->stream = stream;  in snd_pcm_new_stream()
627 	pstr->pcm = pcm;  in snd_pcm_new_stream()
628 	pstr->substream_count = substream_count;  in snd_pcm_new_stream()
630 		err = snd_pcm_stream_proc_init(pstr);  in snd_pcm_new_stream()
644 		substream->pstr = pstr;  in snd_pcm_new_stream()
653 			pstr->substream = substream;  in snd_pcm_new_stream()
660 				pstr->substream = NULL;  in snd_pcm_new_stream()
741 static void snd_pcm_free_stream(struct snd_pcm_str * pstr)  in snd_pcm_free_stream()  argument
747 	substream = pstr->substream;  in snd_pcm_free_stream()
755 	snd_pcm_stream_proc_done(pstr);  in snd_pcm_free_stream()
757 	for (setup = pstr->oss.setup_list; setup; setup = setupn) {  in snd_pcm_free_stream()
793 	struct snd_pcm_str * pstr;  in snd_pcm_attach_substream()  local
804 	pstr = &pcm->streams[stream];  in snd_pcm_attach_substream()
805 	if (pstr->substream == NULL || pstr->substream_count == 0)  in snd_pcm_attach_substream()
842 			if (pstr->substream_count > 1)  in snd_pcm_attach_substream()
844 			substream = pstr->substream;  in snd_pcm_attach_substream()
846 			for (substream = pstr->substream; substream;  in snd_pcm_attach_substream()
861 		for (substream = pstr->substream; substream; substream = substream->next)  in snd_pcm_attach_substream()
865 	for (substream = pstr->substream; substream; substream = substream->next)  in snd_pcm_attach_substream()
902 	pstr->substream_opened++;  in snd_pcm_attach_substream()
923 	substream->pstr->substream_opened--;  in snd_pcm_detach_substream()