85 static void snd_usb_init_substream(struct snd_usb_stream *as,  in snd_usb_init_substream()  argument
90 	struct snd_usb_substream *subs = &as->substream[stream];  in snd_usb_init_substream()
95 	subs->stream = as;  in snd_usb_init_substream()
97 	subs->dev = as->chip->dev;  in snd_usb_init_substream()
98 	subs->txfr_quirk = as->chip->txfr_quirk;  in snd_usb_init_substream()
99 	subs->tx_length_quirk = as->chip->tx_length_quirk;  in snd_usb_init_substream()
103 	snd_usb_set_pcm_ops(as->pcm, stream);  in snd_usb_init_substream()
487 	struct snd_usb_stream *as;  in __snd_usb_add_audio_stream()  local
492 	list_for_each_entry(as, &chip->pcm_list, list) {  in __snd_usb_add_audio_stream()
493 		if (as->fmt_type != fp->fmt_type)  in __snd_usb_add_audio_stream()
495 		subs = &as->substream[stream];  in __snd_usb_add_audio_stream()
504 	list_for_each_entry(as, &chip->pcm_list, list) {  in __snd_usb_add_audio_stream()
505 		if (as->fmt_type != fp->fmt_type)  in __snd_usb_add_audio_stream()
507 		subs = &as->substream[stream];  in __snd_usb_add_audio_stream()
510 		err = snd_pcm_new_stream(as->pcm, stream, 1);  in __snd_usb_add_audio_stream()
513 		snd_usb_init_substream(as, stream, fp, pd);  in __snd_usb_add_audio_stream()
514 		return add_chmap(as->pcm, stream, subs);  in __snd_usb_add_audio_stream()
518 	as = kzalloc(sizeof(*as), GFP_KERNEL);  in __snd_usb_add_audio_stream()
519 	if (!as)  in __snd_usb_add_audio_stream()
521 	as->pcm_index = chip->pcm_devs;  in __snd_usb_add_audio_stream()
522 	as->chip = chip;  in __snd_usb_add_audio_stream()
523 	as->fmt_type = fp->fmt_type;  in __snd_usb_add_audio_stream()
529 		kfree(as);  in __snd_usb_add_audio_stream()
532 	as->pcm = pcm;  in __snd_usb_add_audio_stream()
533 	pcm->private_data = as;  in __snd_usb_add_audio_stream()
541 	snd_usb_init_substream(as, stream, fp, pd);  in __snd_usb_add_audio_stream()
548 		list_add(&as->list, &chip->pcm_list);  in __snd_usb_add_audio_stream()
550 		list_add_tail(&as->list, &chip->pcm_list);  in __snd_usb_add_audio_stream()
554 	snd_usb_proc_pcm_format_add(as);  in __snd_usb_add_audio_stream()
556 	return add_chmap(pcm, stream, &as->substream[stream]);  in __snd_usb_add_audio_stream()
710 		struct uac1_as_header_descriptor *as =  in snd_usb_get_audioformat_uac12()  local
715 		if (!as) {  in snd_usb_get_audioformat_uac12()
722 		if (as->bLength < sizeof(*as)) {  in snd_usb_get_audioformat_uac12()
729 		format = le16_to_cpu(as->wFormatTag); /* remember the format value */  in snd_usb_get_audioformat_uac12()
732 							     as->bTerminalLink);  in snd_usb_get_audioformat_uac12()
740 		struct uac2_as_header_descriptor *as =  in snd_usb_get_audioformat_uac12()  local
744 		if (!as) {  in snd_usb_get_audioformat_uac12()
751 		if (as->bLength < sizeof(*as)) {  in snd_usb_get_audioformat_uac12()
758 		num_channels = as->bNrChannels;  in snd_usb_get_audioformat_uac12()
759 		format = le32_to_cpu(as->bmFormats);  in snd_usb_get_audioformat_uac12()
760 		chconfig = le32_to_cpu(as->bmChannelConfig);  in snd_usb_get_audioformat_uac12()
767 								    as->bTerminalLink);  in snd_usb_get_audioformat_uac12()
776 								      as->bTerminalLink);  in snd_usb_get_audioformat_uac12()
784 			iface_no, altno, as->bTerminalLink);  in snd_usb_get_audioformat_uac12()
857 	struct uac3_as_header_descriptor *as = NULL;  in snd_usb_get_audioformat_uac3()  local
919 	as = snd_usb_find_csint_desc(alts->extra, alts->extralen,  in snd_usb_get_audioformat_uac3()
921 	if (!as) {  in snd_usb_get_audioformat_uac3()
928 	if (as->bLength < sizeof(*as)) {  in snd_usb_get_audioformat_uac3()
935 	cluster_id = le16_to_cpu(as->wClusterDescrID);  in snd_usb_get_audioformat_uac3()
1001 							    as->bTerminalLink);  in snd_usb_get_audioformat_uac3()
1008 							     as->bTerminalLink);  in snd_usb_get_audioformat_uac3()
1015 			iface_no, altno, as->bTerminalLink);  in snd_usb_get_audioformat_uac3()
1057 					       as->bTerminalLink);  in snd_usb_get_audioformat_uac3()
1060 		if (snd_usb_parse_audio_format_v3(chip, fp, as, stream) < 0) {  in snd_usb_get_audioformat_uac3()