79 static void snd_usb_init_substream(struct snd_usb_stream *as,  in snd_usb_init_substream()  argument
84 	struct snd_usb_substream *subs = &as->substream[stream];  in snd_usb_init_substream()
89 	subs->stream = as;  in snd_usb_init_substream()
91 	subs->dev = as->chip->dev;  in snd_usb_init_substream()
92 	subs->txfr_quirk = !!(as->chip->quirk_flags & QUIRK_FLAG_ALIGN_TRANSFER);  in snd_usb_init_substream()
93 	subs->tx_length_quirk = !!(as->chip->quirk_flags & QUIRK_FLAG_TX_LENGTH);  in snd_usb_init_substream()
98 	snd_usb_set_pcm_ops(as->pcm, stream);  in snd_usb_init_substream()
482 	struct snd_usb_stream *as;  in __snd_usb_add_audio_stream()  local
487 	list_for_each_entry(as, &chip->pcm_list, list) {  in __snd_usb_add_audio_stream()
488 		if (as->fmt_type != fp->fmt_type)  in __snd_usb_add_audio_stream()
490 		subs = &as->substream[stream];  in __snd_usb_add_audio_stream()
503 	list_for_each_entry(as, &chip->pcm_list, list) {  in __snd_usb_add_audio_stream()
504 		if (as->fmt_type != fp->fmt_type)  in __snd_usb_add_audio_stream()
506 		subs = &as->substream[stream];  in __snd_usb_add_audio_stream()
509 		err = snd_pcm_new_stream(as->pcm, stream, 1);  in __snd_usb_add_audio_stream()
512 		snd_usb_init_substream(as, stream, fp, pd);  in __snd_usb_add_audio_stream()
513 		return add_chmap(as->pcm, stream, subs);  in __snd_usb_add_audio_stream()
517 	as = kzalloc(sizeof(*as), GFP_KERNEL);  in __snd_usb_add_audio_stream()
518 	if (!as)  in __snd_usb_add_audio_stream()
520 	as->pcm_index = chip->pcm_devs;  in __snd_usb_add_audio_stream()
521 	as->chip = chip;  in __snd_usb_add_audio_stream()
522 	as->fmt_type = fp->fmt_type;  in __snd_usb_add_audio_stream()
528 		kfree(as);  in __snd_usb_add_audio_stream()
531 	as->pcm = pcm;  in __snd_usb_add_audio_stream()
532 	pcm->private_data = as;  in __snd_usb_add_audio_stream()
540 	snd_usb_init_substream(as, stream, fp, pd);  in __snd_usb_add_audio_stream()
547 		list_add(&as->list, &chip->pcm_list);  in __snd_usb_add_audio_stream()
549 		list_add_tail(&as->list, &chip->pcm_list);  in __snd_usb_add_audio_stream()
553 	snd_usb_proc_pcm_format_add(as);  in __snd_usb_add_audio_stream()
555 	return add_chmap(pcm, stream, &as->substream[stream]);  in __snd_usb_add_audio_stream()
719 		struct uac1_as_header_descriptor *as =  in snd_usb_get_audioformat_uac12()  local
724 		if (!as) {  in snd_usb_get_audioformat_uac12()
731 		if (as->bLength < sizeof(*as)) {  in snd_usb_get_audioformat_uac12()
738 		format = le16_to_cpu(as->wFormatTag); /* remember the format value */  in snd_usb_get_audioformat_uac12()
741 							       as->bTerminalLink,  in snd_usb_get_audioformat_uac12()
750 		struct uac2_as_header_descriptor *as =  in snd_usb_get_audioformat_uac12()  local
754 		if (!as) {  in snd_usb_get_audioformat_uac12()
761 		if (as->bLength < sizeof(*as)) {  in snd_usb_get_audioformat_uac12()
768 		num_channels = as->bNrChannels;  in snd_usb_get_audioformat_uac12()
769 		format = le32_to_cpu(as->bmFormats);  in snd_usb_get_audioformat_uac12()
770 		chconfig = le32_to_cpu(as->bmChannelConfig);  in snd_usb_get_audioformat_uac12()
777 								    as->bTerminalLink,  in snd_usb_get_audioformat_uac12()
787 								      as->bTerminalLink,  in snd_usb_get_audioformat_uac12()
796 			iface_no, altno, as->bTerminalLink);  in snd_usb_get_audioformat_uac12()
868 	struct uac3_as_header_descriptor *as = NULL;  in snd_usb_get_audioformat_uac3()  local
930 	as = snd_usb_find_csint_desc(alts->extra, alts->extralen,  in snd_usb_get_audioformat_uac3()
932 	if (!as) {  in snd_usb_get_audioformat_uac3()
939 	if (as->bLength < sizeof(*as)) {  in snd_usb_get_audioformat_uac3()
946 	cluster_id = le16_to_cpu(as->wClusterDescrID);  in snd_usb_get_audioformat_uac3()
1012 							    as->bTerminalLink,  in snd_usb_get_audioformat_uac3()
1020 							      as->bTerminalLink,  in snd_usb_get_audioformat_uac3()
1028 			iface_no, altno, as->bTerminalLink);  in snd_usb_get_audioformat_uac3()
1069 					       as->bTerminalLink);  in snd_usb_get_audioformat_uac3()
1072 		if (snd_usb_parse_audio_format_v3(chip, fp, as, stream) < 0) {  in snd_usb_get_audioformat_uac3()