31 static void audioformat_free(struct audioformat *fp)  in audioformat_free()  argument
33 	list_del(&fp->list); /* unlink for avoiding double-free */  in audioformat_free()
34 	kfree(fp->rate_table);  in audioformat_free()
35 	kfree(fp->chmap);  in audioformat_free()
36 	kfree(fp);  in audioformat_free()
44 	struct audioformat *fp, *n;  in free_substream()  local
48 	list_for_each_entry_safe(fp, n, &subs->fmt_list, list)  in free_substream()
49 		audioformat_free(fp);  in free_substream()
81 				   struct audioformat *fp,  in snd_usb_init_substream()  argument
100 	list_add_tail(&fp->list, &subs->fmt_list);  in snd_usb_init_substream()
101 	subs->formats |= fp->formats;  in snd_usb_init_substream()
103 	subs->fmt_type = fp->fmt_type;  in snd_usb_init_substream()
104 	subs->ep_num = fp->endpoint;  in snd_usb_init_substream()
105 	if (fp->channels > subs->channels_max)  in snd_usb_init_substream()
106 		subs->channels_max = fp->channels;  in snd_usb_init_substream()
134 			   struct audioformat *fp)  in have_dup_chmap()  argument
136 	struct audioformat *prev = fp;  in have_dup_chmap()
140 		    !memcmp(prev->chmap, fp->chmap, sizeof(*fp->chmap)))  in have_dup_chmap()
151 	struct audioformat *fp;  in usb_chmap_ctl_tlv()  local
161 	list_for_each_entry(fp, &subs->fmt_list, list) {  in usb_chmap_ctl_tlv()
164 		if (!fp->chmap)  in usb_chmap_ctl_tlv()
166 		if (have_dup_chmap(subs, fp))  in usb_chmap_ctl_tlv()
169 		ch_bytes = fp->chmap->channels * 4;  in usb_chmap_ctl_tlv()
176 		for (i = 0; i < fp->chmap->channels; i++, dst++) {  in usb_chmap_ctl_tlv()
177 			if (put_user(fp->chmap->map[i], dst))  in usb_chmap_ctl_tlv()
212 	struct audioformat *fp;  in add_chmap()  local
217 	list_for_each_entry(fp, &subs->fmt_list, list)  in add_chmap()
218 		if (fp->chmap)  in add_chmap()
481 				      struct audioformat *fp,  in __snd_usb_add_audio_stream()  argument
491 		if (as->fmt_type != fp->fmt_type)  in __snd_usb_add_audio_stream()
494 		if (subs->ep_num == fp->endpoint) {  in __snd_usb_add_audio_stream()
495 			list_add_tail(&fp->list, &subs->fmt_list);  in __snd_usb_add_audio_stream()
497 			subs->formats |= fp->formats;  in __snd_usb_add_audio_stream()
507 		if (as->fmt_type != fp->fmt_type)  in __snd_usb_add_audio_stream()
515 		snd_usb_init_substream(as, stream, fp, pd);  in __snd_usb_add_audio_stream()
525 	as->fmt_type = fp->fmt_type;  in __snd_usb_add_audio_stream()
543 	snd_usb_init_substream(as, stream, fp, pd);  in __snd_usb_add_audio_stream()
563 			     struct audioformat *fp)  in snd_usb_add_audio_stream()  argument
565 	return __snd_usb_add_audio_stream(chip, stream, fp, NULL);  in snd_usb_add_audio_stream()
570 				       struct audioformat *fp,  in snd_usb_add_audio_stream_v3()  argument
573 	return __snd_usb_add_audio_stream(chip, stream, fp, pd);  in snd_usb_add_audio_stream_v3()
683 	struct audioformat *fp;  in audio_format_alloc_init()  local
685 	fp = kzalloc(sizeof(*fp), GFP_KERNEL);  in audio_format_alloc_init()
686 	if (!fp)  in audio_format_alloc_init()
689 	fp->iface = iface_no;  in audio_format_alloc_init()
690 	fp->altsetting = altno;  in audio_format_alloc_init()
691 	fp->altset_idx = altset_idx;  in audio_format_alloc_init()
692 	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;  in audio_format_alloc_init()
693 	fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;  in audio_format_alloc_init()
694 	fp->datainterval = snd_usb_parse_datainterval(chip, alts);  in audio_format_alloc_init()
695 	fp->protocol = protocol;  in audio_format_alloc_init()
696 	fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);  in audio_format_alloc_init()
697 	fp->channels = num_channels;  in audio_format_alloc_init()
699 		fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1)  in audio_format_alloc_init()
700 				* (fp->maxpacksize & 0x7ff);  in audio_format_alloc_init()
701 	fp->clock = clock;  in audio_format_alloc_init()
702 	INIT_LIST_HEAD(&fp->list);  in audio_format_alloc_init()
704 	return fp;  in audio_format_alloc_init()
716 	struct audioformat *fp;  in snd_usb_get_audioformat_uac12()  local
833 	fp = audio_format_alloc_init(chip, alts, protocol, iface_no,  in snd_usb_get_audioformat_uac12()
835 	if (!fp)  in snd_usb_get_audioformat_uac12()
838 	fp->attributes = parse_uac_endpoint_attributes(chip, alts, protocol,  in snd_usb_get_audioformat_uac12()
842 	snd_usb_audioformat_attributes_quirk(chip, fp, stream);  in snd_usb_get_audioformat_uac12()
845 	if (snd_usb_parse_audio_format(chip, fp, format,  in snd_usb_get_audioformat_uac12()
847 		audioformat_free(fp);  in snd_usb_get_audioformat_uac12()
852 	if (fp->channels != num_channels)  in snd_usb_get_audioformat_uac12()
855 	fp->chmap = convert_chmap(fp->channels, chconfig, protocol);  in snd_usb_get_audioformat_uac12()
857 	return fp;  in snd_usb_get_audioformat_uac12()
878 	struct audioformat *fp;  in snd_usb_get_audioformat_uac3()  local
1036 	fp = audio_format_alloc_init(chip, alts, UAC_VERSION_3, iface_no,  in snd_usb_get_audioformat_uac3()
1038 	if (!fp) {  in snd_usb_get_audioformat_uac3()
1043 	fp->chmap = chmap;  in snd_usb_get_audioformat_uac3()
1046 		fp->attributes = 0; /* No attributes */  in snd_usb_get_audioformat_uac3()
1048 		fp->fmt_type = UAC_FORMAT_TYPE_I;  in snd_usb_get_audioformat_uac3()
1049 		fp->formats = badd_formats;  in snd_usb_get_audioformat_uac3()
1051 		fp->nr_rates = 0;	/* SNDRV_PCM_RATE_CONTINUOUS */  in snd_usb_get_audioformat_uac3()
1052 		fp->rate_min = UAC3_BADD_SAMPLING_RATE;  in snd_usb_get_audioformat_uac3()
1053 		fp->rate_max = UAC3_BADD_SAMPLING_RATE;  in snd_usb_get_audioformat_uac3()
1054 		fp->rates = SNDRV_PCM_RATE_CONTINUOUS;  in snd_usb_get_audioformat_uac3()
1058 			audioformat_free(fp);  in snd_usb_get_audioformat_uac3()
1067 		fp->attributes = parse_uac_endpoint_attributes(chip, alts,  in snd_usb_get_audioformat_uac3()
1075 		if (snd_usb_parse_audio_format_v3(chip, fp, as, stream) < 0) {  in snd_usb_get_audioformat_uac3()
1077 			audioformat_free(fp);  in snd_usb_get_audioformat_uac3()
1085 	return fp;  in snd_usb_get_audioformat_uac3()
1097 	struct audioformat *fp = NULL;  in __snd_usb_parse_audio_interface()  local
1168 			    fp && fp->altsetting == 1 && fp->channels == 1 &&  in __snd_usb_parse_audio_interface()
1169 			    fp->formats == SNDRV_PCM_FMTBIT_S16_LE &&  in __snd_usb_parse_audio_interface()
1172 							fp->maxpacksize * 2)  in __snd_usb_parse_audio_interface()
1175 			fp = snd_usb_get_audioformat_uac12(chip, alts, protocol,  in __snd_usb_parse_audio_interface()
1181 			fp = snd_usb_get_audioformat_uac3(chip, alts, &pd,  in __snd_usb_parse_audio_interface()
1186 		if (!fp)  in __snd_usb_parse_audio_interface()
1188 		else if (IS_ERR(fp))  in __snd_usb_parse_audio_interface()
1189 			return PTR_ERR(fp);  in __snd_usb_parse_audio_interface()
1191 		if (fp->fmt_type != UAC_FORMAT_TYPE_I)  in __snd_usb_parse_audio_interface()
1193 		if ((fp->fmt_type == UAC_FORMAT_TYPE_I) == non_pcm) {  in __snd_usb_parse_audio_interface()
1194 			audioformat_free(fp);  in __snd_usb_parse_audio_interface()
1196 			fp = NULL;  in __snd_usb_parse_audio_interface()
1201 		snd_usb_audioformat_set_sync_ep(chip, fp);  in __snd_usb_parse_audio_interface()
1203 		dev_dbg(&dev->dev, "%u:%d: add audio endpoint %#x\n", iface_no, altno, fp->endpoint);  in __snd_usb_parse_audio_interface()
1205 			err = snd_usb_add_audio_stream_v3(chip, stream, fp, pd);  in __snd_usb_parse_audio_interface()
1207 			err = snd_usb_add_audio_stream(chip, stream, fp);  in __snd_usb_parse_audio_interface()
1210 			audioformat_free(fp);  in __snd_usb_parse_audio_interface()
1216 		err = snd_usb_add_endpoint(chip, fp->endpoint,  in __snd_usb_parse_audio_interface()
1221 		if (fp->sync_ep) {  in __snd_usb_parse_audio_interface()
1222 			err = snd_usb_add_endpoint(chip, fp->sync_ep,  in __snd_usb_parse_audio_interface()
1223 						   fp->implicit_fb ?  in __snd_usb_parse_audio_interface()
1239 		snd_usb_init_pitch(chip, fp);  in __snd_usb_parse_audio_interface()
1240 		snd_usb_init_sample_rate(chip, fp, fp->rate_max);  in __snd_usb_parse_audio_interface()