aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/hda/patch_via.c
blob: 7ef8f3105cdb7fc98878276cc79affdda4f68798 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for VIA VT17xx/VT18xx/VT20xx codec
 *
 *  (C) 2006-2009 VIA Technology, Inc.
 *  (C) 2006-2008 Takashi Iwai <tiwai@suse.de>
 */

/* * * * * * * * * * * * * * Release History * * * * * * * * * * * * * * * * */
/*									     */
/* 2006-03-03  Lydia Wang  Create the basic patch to support VT1708 codec    */
/* 2006-03-14  Lydia Wang  Modify hard code for some pin widget nid	     */
/* 2006-08-02  Lydia Wang  Add support to VT1709 codec			     */
/* 2006-09-08  Lydia Wang  Fix internal loopback recording source select bug */
/* 2007-09-12  Lydia Wang  Add EAPD enable during driver initialization	     */
/* 2007-09-17  Lydia Wang  Add VT1708B codec support			    */
/* 2007-11-14  Lydia Wang  Add VT1708A codec HP and CD pin connect config    */
/* 2008-02-03  Lydia Wang  Fix Rear channels and Back channels inverse issue */
/* 2008-03-06  Lydia Wang  Add VT1702 codec and VT1708S codec support	     */
/* 2008-04-09  Lydia Wang  Add mute front speaker when HP plugin	     */
/* 2008-04-09  Lydia Wang  Add Independent HP feature			     */
/* 2008-05-28  Lydia Wang  Add second S/PDIF Out support for VT1702	     */
/* 2008-09-15  Logan Li	   Add VT1708S Mic Boost workaround/backdoor	     */
/* 2009-02-16  Logan Li	   Add support for VT1718S			     */
/* 2009-03-13  Logan Li	   Add support for VT1716S			     */
/* 2009-04-14  Lydai Wang  Add support for VT1828S and VT2020		     */
/* 2009-07-08  Lydia Wang  Add support for VT2002P			     */
/* 2009-07-21  Lydia Wang  Add support for VT1812			     */
/* 2009-09-19  Lydia Wang  Add support for VT1818S			     */
/*									     */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "hda_generic.h"

/* Pin Widget NID */
#define VT1708_HP_PIN_NID	0x20
#define VT1708_CD_PIN_NID	0x24

enum VIA_HDA_CODEC {
	UNKNOWN = -1,
	VT1708,
	VT1709_10CH,
	VT1709_6CH,
	VT1708B_8CH,
	VT1708B_4CH,
	VT1708S,
	VT1708BCE,
	VT1702,
	VT1718S,
	VT1716S,
	VT2002P,
	VT1812,
	VT1802,
	VT1705CF,
	VT1808,
	CODEC_TYPES,
};

#define VT2002P_COMPATIBLE(spec) \
	((spec)->codec_type == VT2002P ||\
	 (spec)->codec_type == VT1812 ||\
	 (spec)->codec_type == VT1802)

struct via_spec {
	struct hda_gen_spec gen;

	/* HP mode source */
	unsigned int dmic_enabled;
	enum VIA_HDA_CODEC codec_type;

	/* analog low-power control */
	bool alc_mode;

	/* work to check hp jack state */
	int hp_work_active;
	int vt1708_jack_detect;
};

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec);
static void via_playback_pcm_hook(struct hda_pcm_stream *hinfo,
				  struct hda_codec *codec,
				  struct snd_pcm_substream *substream,
				  int action);

static const struct hda_codec_ops via_patch_ops; /* defined below */

static struct via_spec *via_new_spec(struct hda_codec *codec)
{
	struct via_spec *spec;

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return NULL;

	codec->spec = spec;
	snd_hda_gen_spec_init(&spec->gen);
	spec->codec_type = get_codec_type(codec);
	/* VT1708BCE & VT1708S are almost same */
	if (spec->codec_type == VT1708BCE)
		spec->codec_type = VT1708S;
	spec->gen.indep_hp = 1;
	spec->gen.keep_eapd_on = 1;
	spec->gen.pcm_playback_hook = via_playback_pcm_hook;
	spec->gen.add_stereo_mix_input = HDA_HINT_STEREO_MIX_AUTO;
	codec->power_save_node = 1;
	spec->gen.power_down_unused = 1;
	codec->patch_ops = via_patch_ops;
	return spec;
}

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
{
	u32 vendor_id = codec->core.vendor_id;
	u16 ven_id = vendor_id >> 16;
	u16 dev_id = vendor_id & 0xffff;
	enum VIA_HDA_CODEC codec_type;

	/* get codec type */
	if (ven_id != 0x1106)
		codec_type = UNKNOWN;
	else if (dev_id >= 0x1708 && dev_id <= 0x170b)
		codec_type = VT1708;
	else if (dev_id >= 0xe710 && dev_id <= 0xe713)
		codec_type = VT1709_10CH;
	else if (dev_id >= 0xe714 && dev_id <= 0xe717)
		codec_type = VT1709_6CH;
	else if (dev_id >= 0xe720 && dev_id <= 0xe723) {
		codec_type = VT1708B_8CH;
		if (snd_hda_param_read(codec, 0x16, AC_PAR_CONNLIST_LEN) == 0x7)
			codec_type = VT1708BCE;
	} else if (dev_id >= 0xe724 && dev_id <= 0xe727)
		codec_type = VT1708B_4CH;
	else if ((dev_id & 0xfff) == 0x397
		 && (dev_id >> 12) < 8)
		codec_type = VT1708S;
	else if ((dev_id & 0xfff) == 0x398
		 && (dev_id >> 12) < 8)
		codec_type = VT1702;
	else if ((dev_id & 0xfff) == 0x428
		 && (dev_id >> 12) < 8)
		codec_type = VT1718S;
	else if (dev_id == 0x0433 || dev_id == 0xa721)
		codec_type = VT1716S;
	else if (dev_id == 0x0441 || dev_id == 0x4441)
		codec_type = VT1718S;
	else if (dev_id == 0x0438 || dev_id == 0x4438)
		codec_type = VT2002P;
	else if (dev_id == 0x0448)
		codec_type = VT1812;
	else if (dev_id == 0x0440)
		codec_type = VT1708S;
	else if ((dev_id & 0xfff) == 0x446)
		codec_type = VT1802;
	else if (dev_id == 0x4760)
		codec_type = VT1705CF;
	else if (dev_id == 0x4761 || dev_id == 0x4762)
		codec_type = VT1808;
	else
		codec_type = UNKNOWN;
	return codec_type;
};

static void analog_low_current_mode(struct hda_codec *codec);
static bool is_aa_path_mute(struct hda_codec *codec);

#define hp_detect_with_aa(codec) \
	(snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1 && \
	 !is_aa_path_mute(codec))

static void vt1708_stop_hp_work(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	if (spec->codec_type != VT1708 || !spec->gen.autocfg.hp_outs)
		return;
	if (spec->hp_work_active) {
		snd_hda_codec_write(codec, 0x1, 0, 0xf81, 1);
		codec->jackpoll_interval = 0;
		cancel_delayed_work_sync(&codec->jackpoll_work);
		spec->hp_work_active = false;
	}
}

static void vt1708_update_hp_work(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	if (spec->codec_type != VT1708 || !spec->gen.autocfg.hp_outs)
		return;
	if (spec->vt1708_jack_detect) {
		if (!spec->hp_work_active) {
			codec->jackpoll_interval = msecs_to_jiffies(100);
			snd_hda_codec_write(codec, 0x1, 0, 0xf81, 0);
			schedule_delayed_work(&codec->jackpoll_work, 0);
			spec->hp_work_active = true;
		}
	} else if (!hp_detect_with_aa(codec))
		vt1708_stop_hp_work(codec);
}

static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
{
	return snd_hda_enum_bool_helper_info(kcontrol, uinfo);
}

static int via_pin_power_ctl_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;

	ucontrol->value.enumerated.item[0] = spec->gen.power_down_unused;
	return 0;
}

static int via_pin_power_ctl_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	bool val = !!ucontrol->value.enumerated.item[0];

	if (val == spec->gen.power_down_unused)
		return 0;
	/* codec->power_save_node = val; */ /* widget PM seems yet broken */
	spec->gen.power_down_unused = val;
	analog_low_current_mode(codec);
	return 1;
}

static const struct snd_kcontrol_new via_pin_power_ctl_enum = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Dynamic Power-Control",
	.info = via_pin_power_ctl_info,
	.get = via_pin_power_ctl_get,
	.put = via_pin_power_ctl_put,
};

#ifdef CONFIG_SND_HDA_INPUT_BEEP
/* additional beep mixers; the actual parameters are overwritten at build */
static const struct snd_kcontrol_new via_beep_mixer[] = {
	HDA_CODEC_VOLUME_MONO("Beep Playback Volume", 0, 1, 0, HDA_OUTPUT),
	HDA_CODEC_MUTE_BEEP_MONO("Beep Playback Switch", 0, 1, 0, HDA_OUTPUT),
};

static int set_beep_amp(struct via_spec *spec, hda_nid_t nid,
			int idx, int dir)
{
	struct snd_kcontrol_new *knew;
	unsigned int beep_amp = HDA_COMPOSE_AMP_VAL(nid, 1, idx, dir);
	int i;

	spec->gen.beep_nid = nid;
	for (i = 0; i < ARRAY_SIZE(via_beep_mixer); i++) {
		knew = snd_hda_gen_add_kctl(&spec->gen, NULL,
					    &via_beep_mixer[i]);
		if (!knew)
			return -ENOMEM;
		knew->private_value = beep_amp;
	}
	return 0;
}

static int auto_parse_beep(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t nid;

	for_each_hda_codec_node(nid, codec)
		if (get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_BEEP)
			return set_beep_amp(spec, nid, 0, HDA_OUTPUT);
	return 0;
}
#else
#define auto_parse_beep(codec)	0
#endif

/* check AA path's mute status */
static bool is_aa_path_mute(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct hda_amp_list *p;
	int ch, v;

	p = spec->gen.loopback.amplist;
	if (!p)
		return true;
	for (; p->nid; p++) {
		for (ch = 0; ch < 2; ch++) {
			v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
						   p->idx);
			if (!(v & HDA_AMP_MUTE) && v > 0)
				return false;
		}
	}
	return true;
}

/* enter/exit analog low-current mode */
static void __analog_low_current_mode(struct hda_codec *codec, bool force)
{
	struct via_spec *spec = codec->spec;
	bool enable;
	unsigned int verb, parm;

	if (!codec->power_save_node)
		enable = false;
	else
		enable = is_aa_path_mute(codec) && !spec->gen.active_streams;
	if (enable == spec->alc_mode && !force)
		return;
	spec->alc_mode = enable;

	/* decide low current mode's verb & parameter */
	switch (spec->codec_type) {
	case VT1708B_8CH:
	case VT1708B_4CH:
		verb = 0xf70;
		parm = enable ? 0x02 : 0x00; /* 0x02: 2/3x, 0x00: 1x */
		break;
	case VT1708S:
	case VT1718S:
	case VT1716S:
		verb = 0xf73;
		parm = enable ? 0x51 : 0xe1; /* 0x51: 4/28x, 0xe1: 1x */
		break;
	case VT1702:
		verb = 0xf73;
		parm = enable ? 0x01 : 0x1d; /* 0x01: 4/40x, 0x1d: 1x */
		break;
	case VT2002P:
	case VT1812:
	case VT1802:
		verb = 0xf93;
		parm = enable ? 0x00 : 0xe0; /* 0x00: 4/40x, 0xe0: 1x */
		break;
	case VT1705CF:
	case VT1808:
		verb = 0xf82;
		parm = enable ? 0x00 : 0xe0;  /* 0x00: 4/40x, 0xe0: 1x */
		break;
	default:
		return;		/* other codecs are not supported */
	}
	/* send verb */
	snd_hda_codec_write(codec, codec->core.afg, 0, verb, parm);
}

static void analog_low_current_mode(struct hda_codec *codec)
{
	return __analog_low_current_mode(codec, false);
}

static void via_playback_pcm_hook(struct hda_pcm_stream *hinfo,
				  struct hda_codec *codec,
				  struct snd_pcm_substream *substream,
				  int action)
{
	analog_low_current_mode(codec);
	vt1708_update_hp_work(codec);
}

static void via_free(struct hda_codec *codec)
{
	vt1708_stop_hp_work(codec);
	snd_hda_gen_free(codec);
}

#ifdef CONFIG_PM
static int via_suspend(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	vt1708_stop_hp_work(codec);

	/* Fix pop noise on headphones */
	if (spec->codec_type == VT1802)
		snd_hda_shutup_pins(codec);

	return 0;
}

static int via_resume(struct hda_codec *codec)
{
	/* some delay here to make jack detection working (bko#98921) */
	msleep(10);
	codec->patch_ops.init(codec);
	snd_hda_regmap_sync(codec);
	return 0;
}
#endif

#ifdef CONFIG_PM
static int via_check_power_status(struct hda_codec *codec, hda_nid_t nid)
{
	struct via_spec *spec = codec->spec;
	analog_low_current_mode(codec);
	vt1708_update_hp_work(codec);
	return snd_hda_check_amp_list_power(codec, &spec->gen.loopback, nid);
}
#endif

/*
 */

static int via_init(struct hda_codec *codec);

static const struct hda_codec_ops via_patch_ops = {
	.build_controls = snd_hda_gen_build_controls,
	.build_pcms = snd_hda_gen_build_pcms,
	.init = via_init,
	.free = via_free,
	.unsol_event = snd_hda_jack_unsol_event,
#ifdef CONFIG_PM
	.suspend = via_suspend,
	.resume = via_resume,
	.check_power_status = via_check_power_status,
#endif
};


static const struct hda_verb vt1708_init_verbs[] = {
	/* power down jack detect function */
	{0x1, 0xf81, 0x1},
	{ }
};
static void vt1708_set_pinconfig_connect(struct hda_codec *codec, hda_nid_t nid)
{
	unsigned int def_conf;
	unsigned char seqassoc;

	def_conf = snd_hda_codec_get_pincfg(codec, nid);
	seqassoc = (unsigned char) get_defcfg_association(def_conf);
	seqassoc = (seqassoc << 4) | get_defcfg_sequence(def_conf);
	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE
	    && (seqassoc == 0xf0 || seqassoc == 0xff)) {
		def_conf = def_conf & (~(AC_JACK_PORT_BOTH << 30));
		snd_hda_codec_set_pincfg(codec, nid, def_conf);
	}

	return;
}

static int vt1708_jack_detect_get(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;

	if (spec->codec_type != VT1708)
		return 0;
	ucontrol->value.integer.value[0] = spec->vt1708_jack_detect;
	return 0;
}

static int vt1708_jack_detect_put(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	int val;

	if (spec->codec_type != VT1708)
		return 0;
	val = !!ucontrol->value.integer.value[0];
	if (spec->vt1708_jack_detect == val)
		return 0;
	spec->vt1708_jack_detect = val;
	vt1708_update_hp_work(codec);
	return 1;
}

static const struct snd_kcontrol_new vt1708_jack_detect_ctl = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Jack Detect",
	.count = 1,
	.info = snd_ctl_boolean_mono_info,
	.get = vt1708_jack_detect_get,
	.put = vt1708_jack_detect_put,
};

static const struct badness_table via_main_out_badness = {
	.no_primary_dac = 0x10000,
	.no_dac = 0x4000,
	.shared_primary = 0x10000,
	.shared_surr = 0x20,
	.shared_clfe = 0x20,
	.shared_surr_main = 0x20,
};
static const struct badness_table via_extra_out_badness = {
	.no_primary_dac = 0x4000,
	.no_dac = 0x4000,
	.shared_primary = 0x12,
	.shared_surr = 0x20,
	.shared_clfe = 0x20,
	.shared_surr_main = 0x10,
};

static int via_parse_auto_config(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int err;

	spec->gen.main_out_badness = &via_main_out_badness;
	spec->gen.extra_out_badness = &via_extra_out_badness;

	err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0);
	if (err < 0)
		return err;

	err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg);
	if (err < 0)
		return err;

	err = auto_parse_beep(codec);
	if (err < 0)
		return err;

	if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &via_pin_power_ctl_enum))
		return -ENOMEM;

	/* disable widget PM at start for compatibility */
	codec->power_save_node = 0;
	spec->gen.power_down_unused = 0;
	return 0;
}

static int via_init(struct hda_codec *codec)
{
	/* init power states */
	__analog_low_current_mode(codec, true);

	snd_hda_gen_init(codec);

	vt1708_update_hp_work(codec);

	return 0;
}

static int vt1708_build_controls(struct hda_codec *codec)
{
	/* In order not to create "Phantom Jack" controls,
	   temporary enable jackpoll */
	int err;
	int old_interval = codec->jackpoll_interval;
	codec->jackpoll_interval = msecs_to_jiffies(100);
	err = snd_hda_gen_build_controls(codec);
	codec->jackpoll_interval = old_interval;
	return err;
}

static int vt1708_build_pcms(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i, err;

	err = snd_hda_gen_build_pcms(codec);
	if (err < 0 || codec->core.vendor_id != 0x11061708)
		return err;

	/* We got noisy outputs on the right channel on VT1708 when
	 * 24bit samples are used.  Until any workaround is found,
	 * disable the 24bit format, so far.
	 */
	for (i = 0; i < ARRAY_SIZE(spec->gen.pcm_rec); i++) {
		struct hda_pcm *info = spec->gen.pcm_rec[i];
		if (!info)
			continue;
		if (!info->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams ||
		    info->pcm_type != HDA_PCM_TYPE_AUDIO)
			continue;
		info->stream[SNDRV_PCM_STREAM_PLAYBACK].formats =
			SNDRV_PCM_FMTBIT_S16_LE;
	}

	return 0;
}

static int patch_vt1708(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	/* override some patch_ops */
	codec->patch_ops.build_controls = vt1708_build_controls;
	codec->patch_ops.build_pcms = vt1708_build_pcms;
	spec->gen.mixer_nid = 0x17;

	/* set jackpoll_interval while parsing the codec */
	codec->jackpoll_interval = msecs_to_jiffies(100);
	spec->vt1708_jack_detect = 1;

	/* don't support the input jack switching due to lack of unsol event */
	/* (it may work with polling, though, but it needs testing) */
	spec->gen.suppress_auto_mic = 1;
	/* Some machines show the broken speaker mute */
	spec->gen.auto_mute_via_amp = 1;

	/* Add HP and CD pin config connect bit re-config action */
	vt1708_set_pinconfig_connect(codec, VT1708_HP_PIN_NID);
	vt1708_set_pinconfig_connect(codec, VT1708_CD_PIN_NID);

	err = snd_hda_add_verbs(codec, vt1708_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	/* add jack detect on/off control */
	if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1708_jack_detect_ctl)) {
		err = -ENOMEM;
		goto error;
	}

	/* clear jackpoll_interval again; it's set dynamically */
	codec->jackpoll_interval = 0;

	return 0;

 error:
	via_free(codec);
	return err;
}

static int patch_vt1709(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x18;

	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

static int patch_vt1708S(struct hda_codec *codec);
static int patch_vt1708B(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	if (get_codec_type(codec) == VT1708BCE)
		return patch_vt1708S(codec);

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x16;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

/* Patch for VT1708S */
static const struct hda_verb vt1708S_init_verbs[] = {
	/* Enable Mic Boost Volume backdoor */
	{0x1, 0xf98, 0x1},
	/* don't bybass mixer */
	{0x1, 0xf88, 0xc0},
	{ }
};

static void override_mic_boost(struct hda_codec *codec, hda_nid_t pin,
			       int offset, int num_steps, int step_size)
{
	snd_hda_override_wcaps(codec, pin,
			       get_wcaps(codec, pin) | AC_WCAP_IN_AMP);
	snd_hda_override_amp_caps(codec, pin, HDA_INPUT,
				  (offset << AC_AMPCAP_OFFSET_SHIFT) |
				  (num_steps << AC_AMPCAP_NUM_STEPS_SHIFT) |
				  (step_size << AC_AMPCAP_STEP_SIZE_SHIFT) |
				  (0 << AC_AMPCAP_MUTE_SHIFT));
}

static int patch_vt1708S(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x16;
	override_mic_boost(codec, 0x1a, 0, 3, 40);
	override_mic_boost(codec, 0x1e, 0, 3, 40);

	/* correct names for VT1708BCE */
	if (get_codec_type(codec) == VT1708BCE)
		snd_hda_codec_set_name(codec, "VT1708BCE");
	/* correct names for VT1705 */
	if (codec->core.vendor_id == 0x11064397)
		snd_hda_codec_set_name(codec, "VT1705");

	err = snd_hda_add_verbs(codec, vt1708S_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

/* Patch for VT1702 */

static const struct hda_verb vt1702_init_verbs[] = {
	/* mixer enable */
	{0x1, 0xF88, 0x3},
	/* GPIO 0~2 */
	{0x1, 0xF82, 0x3F},
	{ }
};

static int patch_vt1702(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x1a;

	/* limit AA path volume to 0 dB */
	snd_hda_override_amp_caps(codec, 0x1A, HDA_INPUT,
				  (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
				  (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
				  (0x5 << AC_AMPCAP_STEP_SIZE_SHIFT) |
				  (1 << AC_AMPCAP_MUTE_SHIFT));

	err = snd_hda_add_verbs(codec, vt1702_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

/* Patch for VT1718S */

static const struct hda_verb vt1718S_init_verbs[] = {
	/* Enable MW0 adjust Gain 5 */
	{0x1, 0xfb2, 0x10},
	/* Enable Boost Volume backdoor */
	{0x1, 0xf88, 0x8},

	{ }
};

/* Add a connection to the primary DAC from AA-mixer for some codecs
 * This isn't listed from the raw info, but the chip has a secret connection.
 */
static int add_secret_dac_path(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i, nums;
	hda_nid_t conn[8];
	hda_nid_t nid;

	if (!spec->gen.mixer_nid)
		return 0;
	nums = snd_hda_get_connections(codec, spec->gen.mixer_nid, conn,
				       ARRAY_SIZE(conn) - 1);
	for (i = 0; i < nums; i++) {
		if (get_wcaps_type(get_wcaps(codec, conn[i])) == AC_WID_AUD_OUT)
			return 0;
	}

	/* find the primary DAC and add to the connection list */
	for_each_hda_codec_node(nid, codec) {
		unsigned int caps = get_wcaps(codec, nid);
		if (get_wcaps_type(caps) == AC_WID_AUD_OUT &&
		    !(caps & AC_WCAP_DIGITAL)) {
			conn[nums++] = nid;
			return snd_hda_override_conn_list(codec,
							  spec->gen.mixer_nid,
							  nums, conn);
		}
	}
	return 0;
}


static int patch_vt1718S(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x21;
	override_mic_boost(codec, 0x2b, 0, 3, 40);
	override_mic_boost(codec, 0x29, 0, 3, 40);
	add_secret_dac_path(codec);

	err = snd_hda_add_verbs(codec, vt1718S_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

/* Patch for VT1716S */

static int vt1716s_dmic_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int vt1716s_dmic_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	int index = 0;

	index = snd_hda_codec_read(codec, 0x26, 0,
					       AC_VERB_GET_CONNECT_SEL, 0);
	if (index != -1)
		*ucontrol->value.integer.value = index;

	return 0;
}

static int vt1716s_dmic_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	int index = *ucontrol->value.integer.value;

	snd_hda_codec_write(codec, 0x26, 0,
					       AC_VERB_SET_CONNECT_SEL, index);
	spec->dmic_enabled = index;
	return 1;
}

static const struct snd_kcontrol_new vt1716s_dmic_mixer_vol =
	HDA_CODEC_VOLUME("Digital Mic Capture Volume", 0x22, 0x0, HDA_INPUT);
static const struct snd_kcontrol_new vt1716s_dmic_mixer_sw = {
	 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	 .name = "Digital Mic Capture Switch",
	 .subdevice = HDA_SUBDEV_NID_FLAG | 0x26,
	 .count = 1,
	 .info = vt1716s_dmic_info,
	 .get = vt1716s_dmic_get,
	 .put = vt1716s_dmic_put,
};


/* mono-out mixer elements */
static const struct snd_kcontrol_new vt1716S_mono_out_mixer =
	HDA_CODEC_MUTE("Mono Playback Switch", 0x2a, 0x0, HDA_OUTPUT);

static const struct hda_verb vt1716S_init_verbs[] = {
	/* Enable Boost Volume backdoor */
	{0x1, 0xf8a, 0x80},
	/* don't bybass mixer */
	{0x1, 0xf88, 0xc0},
	/* Enable mono output */
	{0x1, 0xf90, 0x08},
	{ }
};

static int patch_vt1716S(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x16;
	override_mic_boost(codec, 0x1a, 0, 3, 40);
	override_mic_boost(codec, 0x1e, 0, 3, 40);

	err = snd_hda_add_verbs(codec, vt1716S_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1716s_dmic_mixer_vol) ||
	    !snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1716s_dmic_mixer_sw) ||
	    !snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1716S_mono_out_mixer)) {
		err = -ENOMEM;
		goto error;
	}

	return 0;

 error:
	via_free(codec);
	return err;
}

/* for vt2002P */

static const struct hda_verb vt2002P_init_verbs[] = {
	/* Class-D speaker related verbs */
	{0x1, 0xfe0, 0x4},
	{0x1, 0xfe9, 0x80},
	{0x1, 0xfe2, 0x22},
	/* Enable Boost Volume backdoor */
	{0x1, 0xfb9, 0x24},
	/* Enable AOW0 to MW9 */
	{0x1, 0xfb8, 0x88},
	{ }
};

static const struct hda_verb vt1802_init_verbs[] = {
	/* Enable Boost Volume backdoor */
	{0x1, 0xfb9, 0x24},
	/* Enable AOW0 to MW9 */
	{0x1, 0xfb8, 0x88},
	{ }
};

/*
 * pin fix-up
 */
enum {
	VIA_FIXUP_INTMIC_BOOST,
	VIA_FIXUP_ASUS_G75,
};

static void via_fixup_intmic_boost(struct hda_codec *codec,
				  const struct hda_fixup *fix, int action)
{
	if (action == HDA_FIXUP_ACT_PRE_PROBE)
		override_mic_boost(codec, 0x30, 0, 2, 40);
}

static const struct hda_fixup via_fixups[] = {
	[VIA_FIXUP_INTMIC_BOOST] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = via_fixup_intmic_boost,
	},
	[VIA_FIXUP_ASUS_G75] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			/* set 0x24 and 0x33 as speakers */
			{ 0x24, 0x991301f0 },
			{ 0x33, 0x991301f1 }, /* subwoofer */
			{ }
		}
	},
};

static const struct snd_pci_quirk vt2002p_fixups[] = {
	SND_PCI_QUIRK(0x1043, 0x1487, "Asus G75", VIA_FIXUP_ASUS_G75),
	SND_PCI_QUIRK(0x1043, 0x8532, "Asus X202E", VIA_FIXUP_INTMIC_BOOST),
	{}
};

/* NIDs 0x24 and 0x33 on VT1802 have connections to non-existing NID 0x3e
 * Replace this with mixer NID 0x1c
 */
static void fix_vt1802_connections(struct hda_codec *codec)
{
	static const hda_nid_t conn_24[] = { 0x14, 0x1c };
	static const hda_nid_t conn_33[] = { 0x1c };

	snd_hda_override_conn_list(codec, 0x24, ARRAY_SIZE(conn_24), conn_24);
	snd_hda_override_conn_list(codec, 0x33, ARRAY_SIZE(conn_33), conn_33);
}

/* patch for vt2002P */
static int patch_vt2002P(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x21;
	override_mic_boost(codec, 0x2b, 0, 3, 40);
	override_mic_boost(codec, 0x29, 0, 3, 40);
	if (spec->codec_type == VT1802)
		fix_vt1802_connections(codec);
	add_secret_dac_path(codec);

	snd_hda_pick_fixup(codec, NULL, vt2002p_fixups, via_fixups);
	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);

	if (spec->codec_type == VT1802)
		err = snd_hda_add_verbs(codec, vt1802_init_verbs);
	else
		err = snd_hda_add_verbs(codec, vt2002P_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

/* for vt1812 */

static const struct hda_verb vt1812_init_verbs[] = {
	/* Enable Boost Volume backdoor */
	{0x1, 0xfb9, 0x24},
	/* Enable AOW0 to MW9 */
	{0x1, 0xfb8, 0xa8},
	{ }
};

/* patch for vt1812 */
static int patch_vt1812(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x21;
	override_mic_boost(codec, 0x2b, 0, 3, 40);
	override_mic_boost(codec, 0x29, 0, 3, 40);
	add_secret_dac_path(codec);

	err = snd_hda_add_verbs(codec, vt1812_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

/* patch for vt3476 */

static const struct hda_verb vt3476_init_verbs[] = {
	/* Enable DMic 8/16/32K */
	{0x1, 0xF7B, 0x30},
	/* Enable Boost Volume backdoor */
	{0x1, 0xFB9, 0x20},
	/* Enable AOW-MW9 path */
	{0x1, 0xFB8, 0x10},
	{ }
};

static int patch_vt3476(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->gen.mixer_nid = 0x3f;
	add_secret_dac_path(codec);

	err = snd_hda_add_verbs(codec, vt3476_init_verbs);
	if (err < 0)
		goto error;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0)
		goto error;

	return 0;

 error:
	via_free(codec);
	return err;
}

/*
 * patch entries
 */
static const struct hda_device_id snd_hda_id_via[] = {
	HDA_CODEC_ENTRY(0x11061708, "VT1708", patch_vt1708),
	HDA_CODEC_ENTRY(0x11061709, "VT1708", patch_vt1708),
	HDA_CODEC_ENTRY(0x1106170a, "VT1708", patch_vt1708),
	HDA_CODEC_ENTRY(0x1106170b, "VT1708", patch_vt1708),
	HDA_CODEC_ENTRY(0x1106e710, "VT1709 10-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e711, "VT1709 10-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e712, "VT1709 10-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e713, "VT1709 10-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e714, "VT1709 6-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e715, "VT1709 6-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e716, "VT1709 6-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e717, "VT1709 6-Ch", patch_vt1709),
	HDA_CODEC_ENTRY(0x1106e720, "VT1708B 8-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x1106e721, "VT1708B 8-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x1106e722, "VT1708B 8-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x1106e723, "VT1708B 8-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x1106e724, "VT1708B 4-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x1106e725, "VT1708B 4-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x1106e726, "VT1708B 4-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x1106e727, "VT1708B 4-Ch", patch_vt1708B),
	HDA_CODEC_ENTRY(0x11060397, "VT1708S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11061397, "VT1708S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11062397, "VT1708S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11063397, "VT1708S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11064397, "VT1705", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11065397, "VT1708S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11066397, "VT1708S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11067397, "VT1708S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11060398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11061398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11062398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11063398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11064398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11065398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11066398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11067398, "VT1702", patch_vt1702),
	HDA_CODEC_ENTRY(0x11060428, "VT1718S", patch_vt1718S),
	HDA_CODEC_ENTRY(0x11064428, "VT1718S", patch_vt1718S),
	HDA_CODEC_ENTRY(0x11060441, "VT2020", patch_vt1718S),
	HDA_CODEC_ENTRY(0x11064441, "VT1828S", patch_vt1718S),
	HDA_CODEC_ENTRY(0x11060433, "VT1716S", patch_vt1716S),
	HDA_CODEC_ENTRY(0x1106a721, "VT1716S", patch_vt1716S),
	HDA_CODEC_ENTRY(0x11060438, "VT2002P", patch_vt2002P),
	HDA_CODEC_ENTRY(0x11064438, "VT2002P", patch_vt2002P),
	HDA_CODEC_ENTRY(0x11060448, "VT1812", patch_vt1812),
	HDA_CODEC_ENTRY(0x11060440, "VT1818S", patch_vt1708S),
	HDA_CODEC_ENTRY(0x11060446, "VT1802", patch_vt2002P),
	HDA_CODEC_ENTRY(0x11068446, "VT1802", patch_vt2002P),
	HDA_CODEC_ENTRY(0x11064760, "VT1705CF", patch_vt3476),
	HDA_CODEC_ENTRY(0x11064761, "VT1708SCE", patch_vt3476),
	HDA_CODEC_ENTRY(0x11064762, "VT1808", patch_vt3476),
	{} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_via);

static struct hda_codec_driver via_driver = {
	.id = snd_hda_id_via,
};

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VIA HD-audio codec");

module_hda_codec_driver(via_driver);