Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

   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
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * HD audio interface patch for Conexant HDA audio codec
 *
 * Copyright (c) 2006 Pototskiy Akex <alex.pototskiy@gmail.com>
 * 		      Takashi Iwai <tiwai@suse.de>
 * 		      Tobin Davis  <tdavis@dsl-only.net>
 */

#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/jack.h>

#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_beep.h"
#include "hda_jack.h"
#include "hda_generic.h"

struct conexant_spec {
	struct hda_gen_spec gen;

	/* extra EAPD pins */
	unsigned int num_eapds;
	hda_nid_t eapds[4];
	bool dynamic_eapd;
	hda_nid_t mute_led_eapd;

	unsigned int parse_flags; /* flag for snd_hda_parse_pin_defcfg() */

	/* OPLC XO specific */
	bool recording;
	bool dc_enable;
	unsigned int dc_input_bias; /* offset into olpc_xo_dc_bias */
	struct nid_path *dc_mode_path;

	int mute_led_polarity;
	unsigned int gpio_led;
	unsigned int gpio_mute_led_mask;
	unsigned int gpio_mic_led_mask;

};


#ifdef CONFIG_SND_HDA_INPUT_BEEP
/* additional beep mixers; private_value will be overwritten */
static const struct snd_kcontrol_new cxt_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 conexant_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(cxt_beep_mixer); i++) {
		knew = snd_hda_gen_add_kctl(&spec->gen, NULL,
					    &cxt_beep_mixer[i]);
		if (!knew)
			return -ENOMEM;
		knew->private_value = beep_amp;
	}
	return 0;
}

static int cx_auto_parse_beep(struct hda_codec *codec)
{
	struct conexant_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 cx_auto_parse_beep(codec)	0
#endif

/*
 * Automatic parser for CX20641 & co
 */

/* parse EAPDs */
static void cx_auto_parse_eapd(struct hda_codec *codec)
{
	struct conexant_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_PIN)
			continue;
		if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD))
			continue;
		spec->eapds[spec->num_eapds++] = nid;
		if (spec->num_eapds >= ARRAY_SIZE(spec->eapds))
			break;
	}

	/* NOTE: below is a wild guess; if we have more than two EAPDs,
	 * it's a new chip, where EAPDs are supposed to be associated to
	 * pins, and we can control EAPD per pin.
	 * OTOH, if only one or two EAPDs are found, it's an old chip,
	 * thus it might control over all pins.
	 */
	if (spec->num_eapds > 2)
		spec->dynamic_eapd = 1;
}

static void cx_auto_turn_eapd(struct hda_codec *codec, int num_pins,
			      hda_nid_t *pins, bool on)
{
	int i;
	for (i = 0; i < num_pins; i++) {
		if (snd_hda_query_pin_caps(codec, pins[i]) & AC_PINCAP_EAPD)
			snd_hda_codec_write(codec, pins[i], 0,
					    AC_VERB_SET_EAPD_BTLENABLE,
					    on ? 0x02 : 0);
	}
}

/* turn on/off EAPD according to Master switch */
static void cx_auto_vmaster_hook(void *private_data, int enabled)
{
	struct hda_codec *codec = private_data;
	struct conexant_spec *spec = codec->spec;

	cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, enabled);
}

/* turn on/off EAPD according to Master switch (inversely!) for mute LED */
static void cx_auto_vmaster_hook_mute_led(void *private_data, int enabled)
{
	struct hda_codec *codec = private_data;
	struct conexant_spec *spec = codec->spec;

	snd_hda_codec_write(codec, spec->mute_led_eapd, 0,
			    AC_VERB_SET_EAPD_BTLENABLE,
			    enabled ? 0x00 : 0x02);
}

static int cx_auto_init(struct hda_codec *codec)
{
	struct conexant_spec *spec = codec->spec;
	snd_hda_gen_init(codec);
	if (!spec->dynamic_eapd)
		cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, true);

	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);

	return 0;
}

static void cx_auto_reboot_notify(struct hda_codec *codec)
{
	struct conexant_spec *spec = codec->spec;

	/* Turn the problematic codec into D3 to avoid spurious noises
	   from the internal speaker during (and after) reboot */
	cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, false);
	snd_hda_gen_reboot_notify(codec);
}

static void cx_auto_free(struct hda_codec *codec)
{
	cx_auto_reboot_notify(codec);
	snd_hda_gen_free(codec);
}

static const struct hda_codec_ops cx_auto_patch_ops = {
	.build_controls = snd_hda_gen_build_controls,
	.build_pcms = snd_hda_gen_build_pcms,
	.init = cx_auto_init,
	.reboot_notify = cx_auto_reboot_notify,
	.free = cx_auto_free,
	.unsol_event = snd_hda_jack_unsol_event,
#ifdef CONFIG_PM
	.check_power_status = snd_hda_gen_check_power_status,
#endif
};

/*
 * pin fix-up
 */
enum {
	CXT_PINCFG_LENOVO_X200,
	CXT_PINCFG_LENOVO_TP410,
	CXT_PINCFG_LEMOTE_A1004,
	CXT_PINCFG_LEMOTE_A1205,
	CXT_PINCFG_COMPAQ_CQ60,
	CXT_FIXUP_STEREO_DMIC,
	CXT_FIXUP_INC_MIC_BOOST,
	CXT_FIXUP_HEADPHONE_MIC_PIN,
	CXT_FIXUP_HEADPHONE_MIC,
	CXT_FIXUP_GPIO1,
	CXT_FIXUP_ASPIRE_DMIC,
	CXT_FIXUP_THINKPAD_ACPI,
	CXT_FIXUP_OLPC_XO,
	CXT_FIXUP_CAP_MIX_AMP,
	CXT_FIXUP_TOSHIBA_P105,
	CXT_FIXUP_HP_530,
	CXT_FIXUP_CAP_MIX_AMP_5047,
	CXT_FIXUP_MUTE_LED_EAPD,
	CXT_FIXUP_HP_DOCK,
	CXT_FIXUP_HP_SPECTRE,
	CXT_FIXUP_HP_GATE_MIC,
	CXT_FIXUP_MUTE_LED_GPIO,
	CXT_FIXUP_HEADSET_MIC,
	CXT_FIXUP_HP_MIC_NO_PRESENCE,
};

/* for hda_fixup_thinkpad_acpi() */
#include "thinkpad_helper.c"

static void cxt_fixup_stereo_dmic(struct hda_codec *codec,
				  const struct hda_fixup *fix, int action)
{
	struct conexant_spec *spec = codec->spec;
	spec->gen.inv_dmic_split = 1;
}

static void cxt5066_increase_mic_boost(struct hda_codec *codec,
				   const struct hda_fixup *fix, int action)
{
	if (action != HDA_FIXUP_ACT_PRE_PROBE)
		return;

	snd_hda_override_amp_caps(codec, 0x17, HDA_OUTPUT,
				  (0x3 << AC_AMPCAP_OFFSET_SHIFT) |
				  (0x4 << AC_AMPCAP_NUM_STEPS_SHIFT) |
				  (0x27 << AC_AMPCAP_STEP_SIZE_SHIFT) |
				  (0 << AC_AMPCAP_MUTE_SHIFT));
}

static void cxt_update_headset_mode(struct hda_codec *codec)
{
	/* The verbs used in this function were tested on a Conexant CX20751/2 codec. */
	int i;
	bool mic_mode = false;
	struct conexant_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->gen.autocfg;

	hda_nid_t mux_pin = spec->gen.imux_pins[spec->gen.cur_mux[0]];

	for (i = 0; i < cfg->num_inputs; i++)
		if (cfg->inputs[i].pin == mux_pin) {
			mic_mode = !!cfg->inputs[i].is_headphone_mic;
			break;
		}

	if (mic_mode) {
		snd_hda_codec_write_cache(codec, 0x1c, 0, 0x410, 0x7c); /* enable merged mode for analog int-mic */
		spec->gen.hp_jack_present = false;
	} else {
		snd_hda_codec_write_cache(codec, 0x1c, 0, 0x410, 0x54); /* disable merged mode for analog int-mic */
		spec->gen.hp_jack_present = snd_hda_jack_detect(codec, spec->gen.autocfg.hp_pins[0]);
	}

	snd_hda_gen_update_outputs(codec);
}

static void cxt_update_headset_mode_hook(struct hda_codec *codec,
					 struct snd_kcontrol *kcontrol,
					 struct snd_ctl_elem_value *ucontrol)
{
	cxt_update_headset_mode(codec);
}

static void cxt_fixup_headphone_mic(struct hda_codec *codec,
				    const struct hda_fixup *fix, int action)
{
	struct conexant_spec *spec = codec->spec;

	switch (action) {
	case HDA_FIXUP_ACT_PRE_PROBE:
		spec->parse_flags |= HDA_PINCFG_HEADPHONE_MIC;
		snd_hdac_regmap_add_vendor_verb(&codec->core, 0x410);
		break;
	case HDA_FIXUP_ACT_PROBE:
		WARN_ON(spec->gen.cap_sync_hook);
		spec->gen.cap_sync_hook = cxt_update_headset_mode_hook;
		spec->gen.automute_hook = cxt_update_headset_mode;
		break;
	case HDA_FIXUP_ACT_INIT:
		cxt_update_headset_mode(codec);
		break;
	}
}

static void cxt_fixup_headset_mic(struct hda_codec *codec,
				    const struct hda_fixup *fix, int action)
{
	struct conexant_spec *spec = codec->spec;

	switch (action) {
	case HDA_FIXUP_ACT_PRE_PROBE:
		spec->parse_flags |= HDA_PINCFG_HEADSET_MIC;
		break;
	}
}

/* OPLC XO 1.5 fixup */

/* OLPC XO-1.5 supports DC input mode (e.g. for use with analog sensors)
 * through the microphone jack.
 * When the user enables this through a mixer switch, both internal and
 * external microphones are disabled. Gain is fixed at 0dB. In this mode,
 * we also allow the bias to be configured through a separate mixer
 * control. */

#define update_mic_pin(codec, nid, val)					\
	snd_hda_codec_write_cache(codec, nid, 0,			\
				   AC_VERB_SET_PIN_WIDGET_CONTROL, val)

static const struct hda_input_mux olpc_xo_dc_bias = {
	.num_items = 3,
	.items = {
		{ "Off", PIN_IN },
		{ "50%", PIN_VREF50 },
		{ "80%", PIN_VREF80 },
	},
};

static void olpc_xo_update_mic_boost(struct hda_codec *codec)
{
	struct conexant_spec *spec = codec->spec;
	int ch, val;

	for (ch = 0; ch < 2; ch++) {
		val = AC_AMP_SET_OUTPUT |
			(ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT);
		if (!spec->dc_enable)
			val |= snd_hda_codec_amp_read(codec, 0x17, ch, HDA_OUTPUT, 0);
		snd_hda_codec_write(codec, 0x17, 0,
				    AC_VERB_SET_AMP_GAIN_MUTE, val);
	}
}

static void olpc_xo_update_mic_pins(struct hda_codec *codec)
{
	struct conexant_spec *spec = codec->spec;
	int cur_input, val;
	struct nid_path *path;

	cur_input = spec->gen.input_paths[0][spec->gen.cur_mux[0]];

	/* Set up mic pins for port-B, C and F dynamically as the recording
	 * LED is turned on/off by these pin controls
	 */
	if (!spec->dc_enable) {
		/* disable DC bias path and pin for port F */
		update_mic_pin(codec, 0x1e, 0);
		snd_hda_activate_path(codec, spec->dc_mode_path, false, false);

		/* update port B (ext mic) and C (int mic) */
		/* OLPC defers mic widget control until when capture is
		 * started because the microphone LED comes on as soon as
		 * these settings are put in place. if we did this before
		 * recording, it would give the false indication that
		 * recording is happening when it is not.
		 */
		update_mic_pin(codec, 0x1a, spec->recording ?
			       snd_hda_codec_get_pin_target(codec, 0x1a) : 0);
		update_mic_pin(codec, 0x1b, spec->recording ?
			       snd_hda_codec_get_pin_target(codec, 0x1b) : 0);
		/* enable normal mic path */
		path = snd_hda_get_path_from_idx(codec, cur_input);
		if (path)
			snd_hda_activate_path(codec, path, true, false);
	} else {
		/* disable normal mic path */
		path = snd_hda_get_path_from_idx(codec, cur_input);
		if (path)
			snd_hda_activate_path(codec, path, false, false);

		/* Even though port F is the DC input, the bias is controlled
		 * on port B.  We also leave that port as an active input (but
		 * unselected) in DC mode just in case that is necessary to
		 * make the bias setting take effect.
		 */
		if (spec->recording)
			val = olpc_xo_dc_bias.items[spec->dc_input_bias].index;
		else
			val = 0;
		update_mic_pin(codec, 0x1a, val);
		update_mic_pin(codec, 0x1b, 0);
		/* enable DC bias path and pin */
		update_mic_pin(codec, 0x1e, spec->recording ? PIN_IN : 0);
		snd_hda_activate_path(codec, spec->dc_mode_path, true, false);
	}
}

/* mic_autoswitch hook */
static void olpc_xo_automic(struct hda_codec *codec,
			    struct hda_jack_callback *jack)
{
	struct conexant_spec *spec = codec->spec;

	/* in DC mode, we don't handle automic */
	if (!spec->dc_enable)
		snd_hda_gen_mic_autoswitch(codec, jack);
	olpc_xo_update_mic_pins(codec);
	if (spec->dc_enable)
		olpc_xo_update_mic_boost(codec);
}

/* pcm_capture hook */
static void olpc_xo_capture_hook(struct hda_pcm_stream *hinfo,
				 struct hda_codec *codec,
				 struct snd_pcm_substream *substream,
				 int action)
{
	struct conexant_spec *spec = codec->spec;

	/* toggle spec->recording flag and update mic pins accordingly
	 * for turning on/off LED
	 */
	switch (action) {
	case HDA_GEN_PCM_ACT_PREPARE:
		spec->recording = 1;
		olpc_xo_update_mic_pins(codec);
		break;
	case HDA_GEN_PCM_ACT_CLEANUP:
		spec->recording = 0;
		olpc_xo_update_mic_pins(codec);
		break;
	}
}

static int olpc_xo_dc_mode_get(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct conexant_spec *spec = codec->spec;
	ucontrol->value.integer.value[0] = spec->dc_enable;
	return 0;
}

static int olpc_xo_dc_mode_put(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct conexant_spec *spec = codec->spec;
	int dc_enable = !!ucontrol->value.integer.value[0];

	if (dc_enable == spec->dc_enable)
		return 0;

	spec->dc_enable = dc_enable;
	olpc_xo_update_mic_pins(codec);
	olpc_xo_update_mic_boost(codec);
	return 1;
}

static int olpc_xo_dc_bias_enum_get(struct snd_kcontrol *kcontrol,
				    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct conexant_spec *spec = codec->spec;
	ucontrol->value.enumerated.item[0] = spec->dc_input_bias;
	return 0;
}

static int olpc_xo_dc_bias_enum_info(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_info *uinfo)
{
	return snd_hda_input_mux_info(&olpc_xo_dc_bias, uinfo);
}

static int olpc_xo_dc_bias_enum_put(struct snd_kcontrol *kcontrol,
				    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct conexant_spec *spec = codec->spec;
	const struct hda_input_mux *imux = &olpc_xo_dc_bias;
	unsigned int idx;

	idx = ucontrol->value.enumerated.item[0];
	if (idx >= imux->num_items)
		idx = imux->num_items - 1;
	if (spec->dc_input_bias == idx)
		return 0;

	spec->dc_input_bias = idx;
	if (spec->dc_enable)
		olpc_xo_update_mic_pins(codec);
	return 1;
}

static const struct snd_kcontrol_new olpc_xo_mixers[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "DC Mode Enable Switch",
		.info = snd_ctl_boolean_mono_info,
		.get = olpc_xo_dc_mode_get,
		.put = olpc_xo_dc_mode_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "DC Input Bias Enum",
		.info = olpc_xo_dc_bias_enum_info,
		.get = olpc_xo_dc_bias_enum_get,
		.put = olpc_xo_dc_bias_enum_put,
	},
	{}
};

/* overriding mic boost put callback; update mic boost volume only when
 * DC mode is disabled
 */
static int olpc_xo_mic_boost_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct conexant_spec *spec = codec->spec;
	int ret = snd_hda_mixer_amp_volume_put(kcontrol, ucontrol);
	if (ret > 0 && spec->dc_enable)
		olpc_xo_update_mic_boost(codec);
	return ret;
}

static void cxt_fixup_olpc_xo(struct hda_codec *codec,
				    const struct hda_fixup *fix, int action)
{
	struct conexant_spec *spec = codec->spec;
	struct snd_kcontrol_new *kctl;
	int i;

	if (action != HDA_FIXUP_ACT_PROBE)
		return;

	spec->gen.mic_autoswitch_hook = olpc_xo_automic;
	spec->gen.pcm_capture_hook = olpc_xo_capture_hook;
	spec->dc_mode_path = snd_hda_add_new_path(codec, 0x1e, 0x14, 0);

	snd_hda_add_new_ctls(codec, olpc_xo_mixers);

	/* OLPC's microphone port is DC coupled for use with external sensors,
	 * therefore we use a 50% mic bias in order to center the input signal
	 * with the DC input range of the codec.
	 */
	snd_hda_codec_set_pin_target(codec, 0x1a, PIN_VREF50);

	/* override mic boost control */
	snd_array_for_each(&spec->gen.kctls, i, kctl) {
		if (!strcmp(kctl->name, "Mic Boost Volume")) {
			kctl->put = olpc_xo_mic_boost_put;
			break;
		}
	}
}

static void cxt_fixup_mute_led_eapd(struct hda_codec *codec,
				    const struct hda_fixup *fix, int action)
{
	struct conexant_spec *spec = codec->spec;

	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
		spec->mute_led_eapd = 0x1b;
		spec->dynamic_eapd = 1;
		spec->gen.vmaster_mute.hook = cx_auto_vmaster_hook_mute_led;
	}
}

/*
 * Fix max input level on mixer widget to 0dB
 * (originally it has 0x2b steps with 0dB offset 0x14)
 */
static void cxt_fixup_cap_mix_amp(struct hda_codec *codec,
				  const struct hda_fixup *fix, int action)
{
	snd_hda_override_amp_caps(codec, 0x17, HDA_INPUT,
				  (0x14 << AC_AMPCAP_OFFSET_SHIFT) |
				  (0x14 << AC_AMPCAP_NUM_STEPS_SHIFT) |
				  (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |
				  (1 << AC_AMPCAP_MUTE_SHIFT));
}

/*
 * Fix max input level on mixer widget to 0dB
 * (originally it has 0x1e steps with 0 dB offset 0x17)
 */
static void cxt_fixup_cap_mix_amp_5047(struct hda_codec *codec,
				  const struct hda_fixup *fix, int action)
{
	snd_hda_override_amp_caps(codec, 0x10, HDA_INPUT,
				  (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
				  (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
				  (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |
				  (1 << AC_AMPCAP_MUTE_SHIFT));
}

static void cxt_fixup_hp_gate_mic_jack(struct hda_codec *codec,
				       const struct hda_fixup *fix,
				       int action)
{
	/* the mic pin (0x19) doesn't give an unsolicited event;
	 * probe the mic pin together with the headphone pin (0x16)
	 */
	if (action == HDA_FIXUP_ACT_PROBE)
		snd_hda_jack_set_gating_jack(codec, 0x19, 0x16);
}

/* update LED status via GPIO */
static void cxt_update_gpio_led(struct hda_codec *codec, unsigned int mask,
				bool led_on)
{
	struct conexant_spec *spec = codec->spec;
	unsigned int oldval = spec->gpio_led;

	if (spec->mute_led_polarity)
		led_on = !led_on;

	if (led_on)
		spec->gpio_led |= mask;
	else
		spec->gpio_led &= ~mask;
	codec_dbg(codec, "mask:%d enabled:%d gpio_led:%d\n",
			mask, led_on, spec->gpio_led);
	if (spec->gpio_led != oldval)
		snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
				    spec->gpio_led);
}

/* turn on/off mute LED via GPIO per vmaster hook */
static void cxt_fixup_gpio_mute_hook(void *private_data, int enabled)
{
	struct hda_codec *codec = private_data;
	struct conexant_spec *spec = codec->spec;
	/* muted -> LED on */
	cxt_update_gpio_led(codec, spec->gpio_mute_led_mask, !enabled);
}

/* turn on/off mic-mute LED via GPIO per capture hook */
static void cxt_gpio_micmute_update(struct hda_codec *codec)
{
	struct conexant_spec *spec = codec->spec;

	cxt_update_gpio_led(codec, spec->gpio_mic_led_mask,
			    spec->gen.micmute_led.led_value);
}


static void cxt_fixup_mute_led_gpio(struct hda_codec *codec,
				const struct hda_fixup *fix, int action)
{
	struct conexant_spec *spec = codec->spec;
	static const struct hda_verb gpio_init[] = {
		{ 0x01, AC_VERB_SET_GPIO_MASK, 0x03 },
		{ 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x03 },
		{}
	};

	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
		spec->gen.vmaster_mute.hook = cxt_fixup_gpio_mute_hook;
		spec->gpio_led = 0;
		spec->mute_led_polarity = 0;
		spec->gpio_mute_led_mask = 0x01;
		spec->gpio_mic_led_mask = 0x02;
		snd_hda_gen_add_micmute_led(codec, cxt_gpio_micmute_update);
	}
	snd_hda_add_verbs(codec, gpio_init);
	if (spec->gpio_led)
		snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
				    spec->gpio_led);
}


/* ThinkPad X200 & co with cxt5051 */
static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = {
	{ 0x16, 0x042140ff }, /* HP (seq# overridden) */
	{ 0x17, 0x21a11000 }, /* dock-mic */
	{ 0x19, 0x2121103f }, /* dock-HP */
	{ 0x1c, 0x21440100 }, /* dock SPDIF out */
	{}
};

/* ThinkPad 410/420/510/520, X201 & co with cxt5066 */
static const struct hda_pintbl cxt_pincfg_lenovo_tp410[] = {
	{ 0x19, 0x042110ff }, /* HP (seq# overridden) */
	{ 0x1a, 0x21a190f0 }, /* dock-mic */
	{ 0x1c, 0x212140ff }, /* dock-HP */
	{}
};

/* Lemote A1004/A1205 with cxt5066 */
static const struct hda_pintbl cxt_pincfg_lemote[] = {
	{ 0x1a, 0x90a10020 }, /* Internal mic */
	{ 0x1b, 0x03a11020 }, /* External mic */
	{ 0x1d, 0x400101f0 }, /* Not used */
	{ 0x1e, 0x40a701f0 }, /* Not used */
	{ 0x20, 0x404501f0 }, /* Not used */
	{ 0x22, 0x404401f0 }, /* Not used */
	{ 0x23, 0x40a701f0 }, /* Not used */
	{}
};

static const struct hda_fixup cxt_fixups[] = {
	[CXT_PINCFG_LENOVO_X200] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = cxt_pincfg_lenovo_x200,
	},
	[CXT_PINCFG_LENOVO_TP410] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = cxt_pincfg_lenovo_tp410,
		.chained = true,
		.chain_id = CXT_FIXUP_THINKPAD_ACPI,
	},
	[CXT_PINCFG_LEMOTE_A1004] = {
		.type = HDA_FIXUP_PINS,
		.chained = true,
		.chain_id = CXT_FIXUP_INC_MIC_BOOST,
		.v.pins = cxt_pincfg_lemote,
	},
	[CXT_PINCFG_LEMOTE_A1205] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = cxt_pincfg_lemote,
	},
	[CXT_PINCFG_COMPAQ_CQ60] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			/* 0x17 was falsely set up as a mic, it should 0x1d */
			{ 0x17, 0x400001f0 },
			{ 0x1d, 0x97a70120 },
			{ }
		}
	},
	[CXT_FIXUP_STEREO_DMIC] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_stereo_dmic,
	},
	[CXT_FIXUP_INC_MIC_BOOST] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt5066_increase_mic_boost,
	},
	[CXT_FIXUP_HEADPHONE_MIC_PIN] = {
		.type = HDA_FIXUP_PINS,
		.chained = true,
		.chain_id = CXT_FIXUP_HEADPHONE_MIC,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x18, 0x03a1913d }, /* use as headphone mic, without its own jack detect */
			{ }
		}
	},
	[CXT_FIXUP_HEADPHONE_MIC] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_headphone_mic,
	},
	[CXT_FIXUP_GPIO1] = {
		.type = HDA_FIXUP_VERBS,
		.v.verbs = (const struct hda_verb[]) {
			{ 0x01, AC_VERB_SET_GPIO_MASK, 0x01 },
			{ 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x01 },
			{ 0x01, AC_VERB_SET_GPIO_DATA, 0x01 },
			{ }
		},
	},
	[CXT_FIXUP_ASPIRE_DMIC] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_stereo_dmic,
		.chained = true,
		.chain_id = CXT_FIXUP_GPIO1,
	},
	[CXT_FIXUP_THINKPAD_ACPI] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = hda_fixup_thinkpad_acpi,
	},
	[CXT_FIXUP_OLPC_XO] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_olpc_xo,
	},
	[CXT_FIXUP_CAP_MIX_AMP] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_cap_mix_amp,
	},
	[CXT_FIXUP_TOSHIBA_P105] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x10, 0x961701f0 }, /* speaker/hp */
			{ 0x12, 0x02a1901e }, /* ext mic */
			{ 0x14, 0x95a70110 }, /* int mic */
			{}
		},
	},
	[CXT_FIXUP_HP_530] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x12, 0x90a60160 }, /* int mic */
			{}
		},
		.chained = true,
		.chain_id = CXT_FIXUP_CAP_MIX_AMP,
	},
	[CXT_FIXUP_CAP_MIX_AMP_5047] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_cap_mix_amp_5047,
	},
	[CXT_FIXUP_MUTE_LED_EAPD] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_mute_led_eapd,
	},
	[CXT_FIXUP_HP_DOCK] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x16, 0x21011020 }, /* line-out */
			{ 0x18, 0x2181103f }, /* line-in */
			{ }
		},
		.chained = true,
		.chain_id = CXT_FIXUP_MUTE_LED_GPIO,
	},
	[CXT_FIXUP_HP_SPECTRE] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			/* enable NID 0x1d for the speaker on top */
			{ 0x1d, 0x91170111 },
			{ }
		}
	},
	[CXT_FIXUP_HP_GATE_MIC] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_hp_gate_mic_jack,
	},
	[CXT_FIXUP_MUTE_LED_GPIO] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_mute_led_gpio,
	},
	[CXT_FIXUP_HEADSET_MIC] = {
		.type = HDA_FIXUP_FUNC,
		.v.func = cxt_fixup_headset_mic,
	},
	[CXT_FIXUP_HP_MIC_NO_PRESENCE] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x1a, 0x02a1113c },
			{ }
		},
		.chained = true,
		.chain_id = CXT_FIXUP_HEADSET_MIC,
	},
};

static const struct snd_pci_quirk cxt5045_fixups[] = {
	SND_PCI_QUIRK(0x103c, 0x30d5, "HP 530", CXT_FIXUP_HP_530),
	SND_PCI_QUIRK(0x1179, 0xff31, "Toshiba P105", CXT_FIXUP_TOSHIBA_P105),
	/* HP, Packard Bell, Fujitsu-Siemens & Lenovo laptops have
	 * really bad sound over 0dB on NID 0x17.
	 */
	SND_PCI_QUIRK_VENDOR(0x103c, "HP", CXT_FIXUP_CAP_MIX_AMP),
	SND_PCI_QUIRK_VENDOR(0x1631, "Packard Bell", CXT_FIXUP_CAP_MIX_AMP),
	SND_PCI_QUIRK_VENDOR(0x1734, "Fujitsu", CXT_FIXUP_CAP_MIX_AMP),
	SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo", CXT_FIXUP_CAP_MIX_AMP),
	{}
};

static const struct hda_model_fixup cxt5045_fixup_models[] = {
	{ .id = CXT_FIXUP_CAP_MIX_AMP, .name = "cap-mix-amp" },
	{ .id = CXT_FIXUP_TOSHIBA_P105, .name = "toshiba-p105" },
	{ .id = CXT_FIXUP_HP_530, .name = "hp-530" },
	{}
};

static const struct snd_pci_quirk cxt5047_fixups[] = {
	/* HP laptops have really bad sound over 0 dB on NID 0x10.
	 */
	SND_PCI_QUIRK_VENDOR(0x103c, "HP", CXT_FIXUP_CAP_MIX_AMP_5047),
	{}
};

static const struct hda_model_fixup cxt5047_fixup_models[] = {
	{ .id = CXT_FIXUP_CAP_MIX_AMP_5047, .name = "cap-mix-amp" },
	{}
};

static const struct snd_pci_quirk cxt5051_fixups[] = {
	SND_PCI_QUIRK(0x103c, 0x360b, "Compaq CQ60", CXT_PINCFG_COMPAQ_CQ60),
	SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo X200", CXT_PINCFG_LENOVO_X200),
	{}
};

static const struct hda_model_fixup cxt5051_fixup_models[] = {
	{ .id = CXT_PINCFG_LENOVO_X200, .name = "lenovo-x200" },
	{}
};

static const struct snd_pci_quirk cxt5066_fixups[] = {
	SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC),
	SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC),
	SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC),
	SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK),
	SND_PCI_QUIRK(0x103c, 0x807C, "HP EliteBook 820 G3", CXT_FIXUP_HP_DOCK),
	SND_PCI_QUIRK(0x103c, 0x80FD, "HP ProBook 640 G2", CXT_FIXUP_HP_DOCK),
	SND_PCI_QUIRK(0x103c, 0x828c, "HP EliteBook 840 G4", CXT_FIXUP_HP_DOCK),
	SND_PCI_QUIRK(0x103c, 0x83b2, "HP EliteBook 840 G5", CXT_FIXUP_HP_DOCK),
	SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK),
	SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK),
	SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
	SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC),
	SND_PCI_QUIRK(0x103c, 0x814f, "HP ZBook 15u G3", CXT_FIXUP_MUTE_LED_GPIO),
	SND_PCI_QUIRK(0x103c, 0x822e, "HP ProBook 440 G4", CXT_FIXUP_MUTE_LED_GPIO),
	SND_PCI_QUIRK(0x103c, 0x836e, "HP ProBook 455 G5", CXT_FIXUP_MUTE_LED_GPIO),
	SND_PCI_QUIRK(0x103c, 0x837f, "HP ProBook 470 G5", CXT_FIXUP_MUTE_LED_GPIO),
	SND_PCI_QUIRK(0x103c, 0x8299, "HP 800 G3 SFF", CXT_FIXUP_HP_MIC_NO_PRESENCE),
	SND_PCI_QUIRK(0x103c, 0x829a, "HP 800 G3 DM", CXT_FIXUP_HP_MIC_NO_PRESENCE),
	SND_PCI_QUIRK(0x103c, 0x8455, "HP Z2 G4", CXT_FIXUP_HP_MIC_NO_PRESENCE),
	SND_PCI_QUIRK(0x103c, 0x8456, "HP Z2 G4 SFF", CXT_FIXUP_HP_MIC_NO_PRESENCE),
	SND_PCI_QUIRK(0x103c, 0x8457, "HP Z2 G4 mini", CXT_FIXUP_HP_MIC_NO_PRESENCE),
	SND_PCI_QUIRK(0x103c, 0x8458, "HP Z2 G4 mini premium", CXT_FIXUP_HP_MIC_NO_PRESENCE),
	SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
	SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO),
	SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410),
	SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo T410", CXT_PINCFG_LENOVO_TP410),
	SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),
	SND_PCI_QUIRK(0x17aa, 0x21ce, "Lenovo T420", CXT_PINCFG_LENOVO_TP410),
	SND_PCI_QUIRK(0x17aa, 0x21cf, "Lenovo T520", CXT_PINCFG_LENOVO_TP410),
	SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT_PINCFG_LENOVO_TP410),
	SND_PCI_QUIRK(0x17aa, 0x21db, "Lenovo X220-tablet", CXT_PINCFG_LENOVO_TP410),
	SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo IdeaPad Z560", CXT_FIXUP_MUTE_LED_EAPD),
	SND_PCI_QUIRK(0x17aa, 0x3905, "Lenovo G50-30", CXT_FIXUP_STEREO_DMIC),
	SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
	SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
	SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
	SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC),
	SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
	SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI),
	SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004),
	SND_PCI_QUIRK(0x1c06, 0x2012, "Lemote A1205", CXT_PINCFG_LEMOTE_A1205),
	{}
};

static const struct hda_model_fixup cxt5066_fixup_models[] = {
	{ .id = CXT_FIXUP_STEREO_DMIC, .name = "stereo-dmic" },
	{ .id = CXT_FIXUP_GPIO1, .name = "gpio1" },
	{ .id = CXT_FIXUP_HEADPHONE_MIC_PIN, .name = "headphone-mic-pin" },
	{ .id = CXT_PINCFG_LENOVO_TP410, .name = "tp410" },
	{ .id = CXT_FIXUP_THINKPAD_ACPI, .name = "thinkpad" },
	{ .id = CXT_PINCFG_LEMOTE_A1004, .name = "lemote-a1004" },
	{ .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" },
	{ .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" },
	{ .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" },
	{ .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" },
	{ .id = CXT_FIXUP_MUTE_LED_GPIO, .name = "mute-led-gpio" },
	{ .id = CXT_FIXUP_HP_MIC_NO_PRESENCE, .name = "hp-mic-fix" },
	{}
};

/* add "fake" mute amp-caps to DACs on cx5051 so that mixer mute switches
 * can be created (bko#42825)
 */
static void add_cx5051_fake_mutes(struct hda_codec *codec)
{
	struct conexant_spec *spec = codec->spec;
	static hda_nid_t out_nids[] = {
		0x10, 0x11, 0
	};
	hda_nid_t *p;

	for (p = out_nids; *p; p++)
		snd_hda_override_amp_caps(codec, *p, HDA_OUTPUT,
					  AC_AMPCAP_MIN_MUTE |
					  query_amp_caps(codec, *p, HDA_OUTPUT));
	spec->gen.dac_min_mute = true;
}

static int patch_conexant_auto(struct hda_codec *codec)
{
	struct conexant_spec *spec;
	int err;

	codec_info(codec, "%s: BIOS auto-probing.\n", codec->core.chip_name);

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (!spec)
		return -ENOMEM;
	snd_hda_gen_spec_init(&spec->gen);
	codec->spec = spec;
	codec->patch_ops = cx_auto_patch_ops;

	cx_auto_parse_eapd(codec);
	spec->gen.own_eapd_ctl = 1;
	if (spec->dynamic_eapd)
		spec->gen.vmaster_mute.hook = cx_auto_vmaster_hook;

	switch (codec->core.vendor_id) {
	case 0x14f15045:
		codec->single_adc_amp = 1;
		spec->gen.mixer_nid = 0x17;
		spec->gen.add_stereo_mix_input = HDA_HINT_STEREO_MIX_AUTO;
		snd_hda_pick_fixup(codec, cxt5045_fixup_models,
				   cxt5045_fixups, cxt_fixups);
		break;
	case 0x14f15047:
		codec->pin_amp_workaround = 1;
		spec->gen.mixer_nid = 0x19;
		spec->gen.add_stereo_mix_input = HDA_HINT_STEREO_MIX_AUTO;
		snd_hda_pick_fixup(codec, cxt5047_fixup_models,
				   cxt5047_fixups, cxt_fixups);
		break;
	case 0x14f15051:
		add_cx5051_fake_mutes(codec);
		codec->pin_amp_workaround = 1;
		snd_hda_pick_fixup(codec, cxt5051_fixup_models,
				   cxt5051_fixups, cxt_fixups);
		break;
	case 0x14f150f2:
		codec->power_save_node = 1;
		/* Fall through */
	default:
		codec->pin_amp_workaround = 1;
		snd_hda_pick_fixup(codec, cxt5066_fixup_models,
				   cxt5066_fixups, cxt_fixups);
		break;
	}

	/* Show mute-led control only on HP laptops
	 * This is a sort of white-list: on HP laptops, EAPD corresponds
	 * only to the mute-LED without actualy amp function.  Meanwhile,
	 * others may use EAPD really as an amp switch, so it might be
	 * not good to expose it blindly.
	 */
	switch (codec->core.subsystem_id >> 16) {
	case 0x103c:
		spec->gen.vmaster_mute_enum = 1;
		break;
	}

	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);

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

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

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

	/* Some laptops with Conexant chips show stalls in S3 resume,
	 * which falls into the single-cmd mode.
	 * Better to make reset, then.
	 */
	if (!codec->bus->core.sync_write) {
		codec_info(codec,
			   "Enable sync_write for stable communication\n");
		codec->bus->core.sync_write = 1;
		codec->bus->allow_bus_reset = 1;
	}

	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE);

	return 0;

 error:
	cx_auto_free(codec);
	return err;
}

/*
 */

static const struct hda_device_id snd_hda_id_conexant[] = {
	HDA_CODEC_ENTRY(0x14f11f86, "CX8070", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15045, "CX20549 (Venice)", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15047, "CX20551 (Waikiki)", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15051, "CX20561 (Hermosa)", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15066, "CX20582 (Pebble)", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15067, "CX20583 (Pebble HSF)", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15068, "CX20584", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15069, "CX20585", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f1506c, "CX20588", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f1506e, "CX20590", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15097, "CX20631", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15098, "CX20632", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150a1, "CX20641", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150a2, "CX20642", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150ab, "CX20651", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150ac, "CX20652", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150b8, "CX20664", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150b9, "CX20665", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150f1, "CX21722", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150f2, "CX20722", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150f3, "CX21724", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f150f4, "CX20724", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f1510f, "CX20751/2", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15110, "CX20751/2", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15111, "CX20753/4", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15113, "CX20755", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15114, "CX20756", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f15115, "CX20757", patch_conexant_auto),
	HDA_CODEC_ENTRY(0x14f151d7, "CX20952", patch_conexant_auto),
	{} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_conexant);

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

static struct hda_codec_driver conexant_driver = {
	.id = snd_hda_id_conexant,
};

module_hda_codec_driver(conexant_driver);