45 	struct audioformat *fp, *n;  in free_substream()  local
49 	list_for_each_entry_safe(fp, n, &subs->fmt_list, list) {  in free_substream()
50 		kfree(fp->rate_table);  in free_substream()
51 		kfree(fp->chmap);  in free_substream()
52 		kfree(fp);  in free_substream()
84 				   struct audioformat *fp)  in snd_usb_init_substream()  argument
102 	list_add_tail(&fp->list, &subs->fmt_list);  in snd_usb_init_substream()
103 	subs->formats |= fp->formats;  in snd_usb_init_substream()
105 	subs->fmt_type = fp->fmt_type;  in snd_usb_init_substream()
106 	subs->ep_num = fp->endpoint;  in snd_usb_init_substream()
107 	if (fp->channels > subs->channels_max)  in snd_usb_init_substream()
108 		subs->channels_max = fp->channels;  in snd_usb_init_substream()
127 			   struct audioformat *fp)  in have_dup_chmap()  argument
131 	for (p = fp->list.prev; p != &subs->fmt_list; p = p->prev) {  in have_dup_chmap()
135 		    !memcmp(prev->chmap, fp->chmap, sizeof(*fp->chmap)))  in have_dup_chmap()
146 	struct audioformat *fp;  in usb_chmap_ctl_tlv()  local
156 	list_for_each_entry(fp, &subs->fmt_list, list) {  in usb_chmap_ctl_tlv()
159 		if (!fp->chmap)  in usb_chmap_ctl_tlv()
161 		if (have_dup_chmap(subs, fp))  in usb_chmap_ctl_tlv()
164 		ch_bytes = fp->chmap->channels * 4;  in usb_chmap_ctl_tlv()
171 		for (i = 0; i < fp->chmap->channels; i++, dst++) {  in usb_chmap_ctl_tlv()
172 			if (put_user(fp->chmap->map[i], dst))  in usb_chmap_ctl_tlv()
207 	struct audioformat *fp;  in add_chmap()  local
212 	list_for_each_entry(fp, &subs->fmt_list, list)  in add_chmap()
213 		if (fp->chmap)  in add_chmap()
326 			     struct audioformat *fp)  in snd_usb_add_audio_stream()  argument
334 		if (as->fmt_type != fp->fmt_type)  in snd_usb_add_audio_stream()
337 		if (subs->ep_num == fp->endpoint) {  in snd_usb_add_audio_stream()
338 			list_add_tail(&fp->list, &subs->fmt_list);  in snd_usb_add_audio_stream()
340 			subs->formats |= fp->formats;  in snd_usb_add_audio_stream()
346 		if (as->fmt_type != fp->fmt_type)  in snd_usb_add_audio_stream()
354 		snd_usb_init_substream(as, stream, fp);  in snd_usb_add_audio_stream()
364 	as->fmt_type = fp->fmt_type;  in snd_usb_add_audio_stream()
382 	snd_usb_init_substream(as, stream, fp);  in snd_usb_add_audio_stream()
491 	struct audioformat *fp = NULL;  in snd_usb_parse_audio_interface()  local
656 		    fp && fp->altsetting == 1 && fp->channels == 1 &&  in snd_usb_parse_audio_interface()
657 		    fp->formats == SNDRV_PCM_FMTBIT_S16_LE &&  in snd_usb_parse_audio_interface()
660 							fp->maxpacksize * 2)  in snd_usb_parse_audio_interface()
663 		fp = kzalloc(sizeof(*fp), GFP_KERNEL);  in snd_usb_parse_audio_interface()
664 		if (! fp) {  in snd_usb_parse_audio_interface()
669 		fp->iface = iface_no;  in snd_usb_parse_audio_interface()
670 		fp->altsetting = altno;  in snd_usb_parse_audio_interface()
671 		fp->altset_idx = i;  in snd_usb_parse_audio_interface()
672 		fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;  in snd_usb_parse_audio_interface()
673 		fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;  in snd_usb_parse_audio_interface()
674 		fp->datainterval = snd_usb_parse_datainterval(chip, alts);  in snd_usb_parse_audio_interface()
675 		fp->protocol = protocol;  in snd_usb_parse_audio_interface()
676 		fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);  in snd_usb_parse_audio_interface()
677 		fp->channels = num_channels;  in snd_usb_parse_audio_interface()
679 			fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1)  in snd_usb_parse_audio_interface()
680 					* (fp->maxpacksize & 0x7ff);  in snd_usb_parse_audio_interface()
681 		fp->attributes = parse_uac_endpoint_attributes(chip, alts, protocol, iface_no);  in snd_usb_parse_audio_interface()
682 		fp->clock = clock;  in snd_usb_parse_audio_interface()
683 		INIT_LIST_HEAD(&fp->list);  in snd_usb_parse_audio_interface()
692 			fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;  in snd_usb_parse_audio_interface()
697 			fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;  in snd_usb_parse_audio_interface()
708 			fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;  in snd_usb_parse_audio_interface()
710 				fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;  in snd_usb_parse_audio_interface()
712 				fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;  in snd_usb_parse_audio_interface()
717 		if (snd_usb_parse_audio_format(chip, fp, format, fmt, stream) < 0) {  in snd_usb_parse_audio_interface()
718 			kfree(fp->rate_table);  in snd_usb_parse_audio_interface()
719 			kfree(fp);  in snd_usb_parse_audio_interface()
720 			fp = NULL;  in snd_usb_parse_audio_interface()
725 		if (fp->channels != num_channels)  in snd_usb_parse_audio_interface()
727 		fp->chmap = convert_chmap(fp->channels, chconfig, protocol);  in snd_usb_parse_audio_interface()
729 		dev_dbg(&dev->dev, "%u:%d: add audio endpoint %#x\n", iface_no, altno, fp->endpoint);  in snd_usb_parse_audio_interface()
730 		err = snd_usb_add_audio_stream(chip, stream, fp);  in snd_usb_parse_audio_interface()
732 			list_del(&fp->list); /* unlink for avoiding double-free */  in snd_usb_parse_audio_interface()
733 			kfree(fp->rate_table);  in snd_usb_parse_audio_interface()
734 			kfree(fp->chmap);  in snd_usb_parse_audio_interface()
735 			kfree(fp);  in snd_usb_parse_audio_interface()
740 		snd_usb_init_pitch(chip, iface_no, alts, fp);  in snd_usb_parse_audio_interface()
741 		snd_usb_init_sample_rate(chip, iface_no, alts, fp, fp->rate_max);  in snd_usb_parse_audio_interface()