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29#include <linux/init.h>
30#include <linux/delay.h>
31#include <linux/slab.h>
32#include <sound/core.h>
33#include "hda_codec.h"
34#include "hda_local.h"
35
36static hda_nid_t cvt_nid;
37static hda_nid_t pin_nid;
38
39#define INTEL_HDMI_EVENT_TAG 0x08
40
41struct intel_hdmi_spec {
42 struct hda_multi_out multiout;
43 struct hda_pcm pcm_rec;
44 struct hdmi_eld sink_eld;
45};
46
47struct hdmi_audio_infoframe {
48 u8 type;
49 u8 ver;
50 u8 len;
51
52 u8 checksum;
53 u8 CC02_CT47;
54 u8 SS01_SF24;
55 u8 CXT04;
56 u8 CA;
57 u8 LFEPBL01_LSV36_DM_INH7;
58 u8 reserved[5];
59};
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75enum cea_speaker_placement {
76 FL = (1 << 0),
77 FC = (1 << 1),
78 FR = (1 << 2),
79 FLC = (1 << 3),
80 FRC = (1 << 4),
81 RL = (1 << 5),
82 RC = (1 << 6),
83 RR = (1 << 7),
84 RLC = (1 << 8),
85 RRC = (1 << 9),
86 LFE = (1 << 10),
87 FLW = (1 << 11),
88 FRW = (1 << 12),
89 FLH = (1 << 13),
90 FCH = (1 << 14),
91 FRH = (1 << 15),
92 TC = (1 << 16),
93};
94
95
96
97
98static int eld_speaker_allocation_bits[] = {
99 [0] = FL | FR,
100 [1] = LFE,
101 [2] = FC,
102 [3] = RL | RR,
103 [4] = RC,
104 [5] = FLC | FRC,
105 [6] = RLC | RRC,
106
107 [7] = FLW | FRW,
108 [8] = FLH | FRH,
109 [9] = TC,
110 [10] = FCH,
111};
112
113struct cea_channel_speaker_allocation {
114 int ca_index;
115 int speakers[8];
116
117
118 int channels;
119 int spk_mask;
120};
121
122
123
124
125
126
127
128static struct cea_channel_speaker_allocation channel_allocations[] = {
129
130{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
131
132{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
133
134{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
135{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
136{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
137{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
138{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
139{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
140{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
141{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
142{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
143
144{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
145{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
146{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
147{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
148
149{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
150{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
151{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
152{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
153
154{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
155{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
156{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
157{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
158{ .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
159{ .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
160{ .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
161{ .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
162{ .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
163{ .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
164{ .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
165{ .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
166{ .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
167{ .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
168{ .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
169{ .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
170{ .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
171{ .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
172{ .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
173{ .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
174{ .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
175{ .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
176{ .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
177{ .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
178{ .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
179{ .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
180{ .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
181{ .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
182{ .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
183{ .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
184{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
185};
186
187
188
189
190
191#ifdef BE_PARANOID
192static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t nid,
193 int *packet_index, int *byte_index)
194{
195 int val;
196
197 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_INDEX, 0);
198
199 *packet_index = val >> 5;
200 *byte_index = val & 0x1f;
201}
202#endif
203
204static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t nid,
205 int packet_index, int byte_index)
206{
207 int val;
208
209 val = (packet_index << 5) | (byte_index & 0x1f);
210
211 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
212}
213
214static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t nid,
215 unsigned char val)
216{
217 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
218}
219
220static void hdmi_enable_output(struct hda_codec *codec)
221{
222
223 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
224 snd_hda_codec_write(codec, pin_nid, 0,
225 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
226
227 snd_hda_codec_write(codec, pin_nid, 0,
228 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
229}
230
231
232
233
234static void hdmi_start_infoframe_trans(struct hda_codec *codec)
235{
236 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
237 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
238 AC_DIPXMIT_BEST);
239}
240
241
242
243
244static void hdmi_stop_infoframe_trans(struct hda_codec *codec)
245{
246 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
247 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
248 AC_DIPXMIT_DISABLE);
249}
250
251static int hdmi_get_channel_count(struct hda_codec *codec)
252{
253 return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
254 AC_VERB_GET_CVT_CHAN_COUNT, 0);
255}
256
257static void hdmi_set_channel_count(struct hda_codec *codec, int chs)
258{
259 snd_hda_codec_write(codec, cvt_nid, 0,
260 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
261
262 if (chs != hdmi_get_channel_count(codec))
263 snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
264 chs, hdmi_get_channel_count(codec));
265}
266
267static void hdmi_debug_channel_mapping(struct hda_codec *codec)
268{
269#ifdef CONFIG_SND_DEBUG_VERBOSE
270 int i;
271 int slot;
272
273 for (i = 0; i < 8; i++) {
274 slot = snd_hda_codec_read(codec, cvt_nid, 0,
275 AC_VERB_GET_HDMI_CHAN_SLOT, i);
276 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
277 slot >> 4, slot & 0x7);
278 }
279#endif
280}
281
282static void hdmi_parse_eld(struct hda_codec *codec)
283{
284 struct intel_hdmi_spec *spec = codec->spec;
285 struct hdmi_eld *eld = &spec->sink_eld;
286
287 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
288 snd_hdmi_show_eld(eld);
289}
290
291
292
293
294
295
296static void hdmi_debug_dip_size(struct hda_codec *codec)
297{
298#ifdef CONFIG_SND_DEBUG_VERBOSE
299 int i;
300 int size;
301
302 size = snd_hdmi_get_eld_size(codec, pin_nid);
303 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
304
305 for (i = 0; i < 8; i++) {
306 size = snd_hda_codec_read(codec, pin_nid, 0,
307 AC_VERB_GET_HDMI_DIP_SIZE, i);
308 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
309 }
310#endif
311}
312
313static void hdmi_clear_dip_buffers(struct hda_codec *codec)
314{
315#ifdef BE_PARANOID
316 int i, j;
317 int size;
318 int pi, bi;
319 for (i = 0; i < 8; i++) {
320 size = snd_hda_codec_read(codec, pin_nid, 0,
321 AC_VERB_GET_HDMI_DIP_SIZE, i);
322 if (size == 0)
323 continue;
324
325 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
326 for (j = 1; j < 1000; j++) {
327 hdmi_write_dip_byte(codec, pin_nid, 0x0);
328 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
329 if (pi != i)
330 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
331 bi, pi, i);
332 if (bi == 0)
333 break;
334 }
335 snd_printd(KERN_INFO
336 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
337 i, size, j);
338 }
339#endif
340}
341
342static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
343 struct hdmi_audio_infoframe *ai)
344{
345 u8 *params = (u8 *)ai;
346 u8 sum = 0;
347 int i;
348
349 hdmi_debug_dip_size(codec);
350 hdmi_clear_dip_buffers(codec);
351
352 for (i = 0; i < sizeof(ai); i++)
353 sum += params[i];
354 ai->checksum = - sum;
355
356 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
357 for (i = 0; i < sizeof(ai); i++)
358 hdmi_write_dip_byte(codec, pin_nid, params[i]);
359}
360
361
362
363
364static void init_channel_allocations(void)
365{
366 int i, j;
367 struct cea_channel_speaker_allocation *p;
368
369 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
370 p = channel_allocations + i;
371 p->channels = 0;
372 p->spk_mask = 0;
373 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
374 if (p->speakers[j]) {
375 p->channels++;
376 p->spk_mask |= p->speakers[j];
377 }
378 }
379}
380
381
382
383
384
385
386
387
388
389static int hdmi_setup_channel_allocation(struct hda_codec *codec,
390 struct hdmi_audio_infoframe *ai)
391{
392 struct intel_hdmi_spec *spec = codec->spec;
393 struct hdmi_eld *eld = &spec->sink_eld;
394 int i;
395 int spk_mask = 0;
396 int channels = 1 + (ai->CC02_CT47 & 0x7);
397 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
398
399
400
401
402 if (channels <= 2)
403 return 0;
404
405
406
407
408
409
410 if (!eld->spk_alloc)
411 eld->spk_alloc = 0xffff;
412
413
414
415
416
417
418
419 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
420 if (eld->spk_alloc & (1 << i))
421 spk_mask |= eld_speaker_allocation_bits[i];
422 }
423
424
425 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
426 if (channels == channel_allocations[i].channels &&
427 (spk_mask & channel_allocations[i].spk_mask) ==
428 channel_allocations[i].spk_mask) {
429 ai->CA = channel_allocations[i].ca_index;
430 break;
431 }
432 }
433
434 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
435 snd_printdd(KERN_INFO
436 "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
437 ai->CA, channels, buf);
438
439 return ai->CA;
440}
441
442static void hdmi_setup_channel_mapping(struct hda_codec *codec,
443 struct hdmi_audio_infoframe *ai)
444{
445 int i;
446
447 if (!ai->CA)
448 return;
449
450
451
452
453
454
455 for (i = 0; i < 8; i++)
456 snd_hda_codec_write(codec, cvt_nid, 0,
457 AC_VERB_SET_HDMI_CHAN_SLOT,
458 (i << 4) | i);
459
460 hdmi_debug_channel_mapping(codec);
461}
462
463
464static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
465 struct snd_pcm_substream *substream)
466{
467 struct hdmi_audio_infoframe ai = {
468 .type = 0x84,
469 .ver = 0x01,
470 .len = 0x0a,
471 .CC02_CT47 = substream->runtime->channels - 1,
472 };
473
474 hdmi_setup_channel_allocation(codec, &ai);
475 hdmi_setup_channel_mapping(codec, &ai);
476
477 hdmi_fill_audio_infoframe(codec, &ai);
478 hdmi_start_infoframe_trans(codec);
479}
480
481
482
483
484
485
486static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
487{
488 int pind = !!(res & AC_UNSOL_RES_PD);
489 int eldv = !!(res & AC_UNSOL_RES_ELDV);
490
491 printk(KERN_INFO
492 "HDMI hot plug event: Presence_Detect=%d ELD_Valid=%d\n",
493 pind, eldv);
494
495 if (pind && eldv) {
496 hdmi_parse_eld(codec);
497
498 }
499}
500
501static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
502{
503 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
504 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
505 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
506
507 printk(KERN_INFO
508 "HDMI content protection event: SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
509 subtag,
510 cp_state,
511 cp_ready);
512
513
514 if (cp_state)
515 ;
516 if (cp_ready)
517 ;
518}
519
520
521static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
522{
523 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
524 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
525
526 if (tag != INTEL_HDMI_EVENT_TAG) {
527 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
528 return;
529 }
530
531 if (subtag == 0)
532 hdmi_intrinsic_event(codec, res);
533 else
534 hdmi_non_intrinsic_event(codec, res);
535}
536
537
538
539
540
541static int intel_hdmi_playback_pcm_open(struct hda_pcm_stream *hinfo,
542 struct hda_codec *codec,
543 struct snd_pcm_substream *substream)
544{
545 struct intel_hdmi_spec *spec = codec->spec;
546
547 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
548}
549
550static int intel_hdmi_playback_pcm_close(struct hda_pcm_stream *hinfo,
551 struct hda_codec *codec,
552 struct snd_pcm_substream *substream)
553{
554 struct intel_hdmi_spec *spec = codec->spec;
555
556 hdmi_stop_infoframe_trans(codec);
557
558 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
559}
560
561static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
562 struct hda_codec *codec,
563 unsigned int stream_tag,
564 unsigned int format,
565 struct snd_pcm_substream *substream)
566{
567 struct intel_hdmi_spec *spec = codec->spec;
568
569 snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
570 format, substream);
571
572 hdmi_set_channel_count(codec, substream->runtime->channels);
573
574 hdmi_setup_audio_infoframe(codec, substream);
575
576 return 0;
577}
578
579static struct hda_pcm_stream intel_hdmi_pcm_playback = {
580 .substreams = 1,
581 .channels_min = 2,
582 .channels_max = 8,
583 .ops = {
584 .open = intel_hdmi_playback_pcm_open,
585 .close = intel_hdmi_playback_pcm_close,
586 .prepare = intel_hdmi_playback_pcm_prepare
587 },
588};
589
590static int intel_hdmi_build_pcms(struct hda_codec *codec)
591{
592 struct intel_hdmi_spec *spec = codec->spec;
593 struct hda_pcm *info = &spec->pcm_rec;
594
595 codec->num_pcms = 1;
596 codec->pcm_info = info;
597
598
599 intel_hdmi_pcm_playback.nid = cvt_nid;
600
601 info->name = "INTEL HDMI";
602 info->pcm_type = HDA_PCM_TYPE_HDMI;
603 info->stream[SNDRV_PCM_STREAM_PLAYBACK] = intel_hdmi_pcm_playback;
604
605 return 0;
606}
607
608static int intel_hdmi_build_controls(struct hda_codec *codec)
609{
610 struct intel_hdmi_spec *spec = codec->spec;
611 int err;
612
613 err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
614 if (err < 0)
615 return err;
616
617 return 0;
618}
619
620static int intel_hdmi_init(struct hda_codec *codec)
621{
622 hdmi_enable_output(codec);
623
624 snd_hda_codec_write(codec, pin_nid, 0,
625 AC_VERB_SET_UNSOLICITED_ENABLE,
626 AC_USRSP_EN | INTEL_HDMI_EVENT_TAG);
627 return 0;
628}
629
630static void intel_hdmi_free(struct hda_codec *codec)
631{
632 struct intel_hdmi_spec *spec = codec->spec;
633
634 snd_hda_eld_proc_free(codec, &spec->sink_eld);
635 kfree(spec);
636}
637
638static struct hda_codec_ops intel_hdmi_patch_ops = {
639 .init = intel_hdmi_init,
640 .free = intel_hdmi_free,
641 .build_pcms = intel_hdmi_build_pcms,
642 .build_controls = intel_hdmi_build_controls,
643 .unsol_event = intel_hdmi_unsol_event,
644};
645
646static int do_patch_intel_hdmi(struct hda_codec *codec)
647{
648 struct intel_hdmi_spec *spec;
649
650 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
651 if (spec == NULL)
652 return -ENOMEM;
653
654 spec->multiout.num_dacs = 0;
655 spec->multiout.max_channels = 8;
656 spec->multiout.dig_out_nid = cvt_nid;
657
658 codec->spec = spec;
659 codec->patch_ops = intel_hdmi_patch_ops;
660
661 snd_hda_eld_proc_new(codec, &spec->sink_eld);
662
663 init_channel_allocations();
664
665 return 0;
666}
667
668static int patch_intel_hdmi(struct hda_codec *codec)
669{
670 cvt_nid = 0x02;
671 pin_nid = 0x03;
672 return do_patch_intel_hdmi(codec);
673}
674
675static int patch_intel_hdmi_ibexpeak(struct hda_codec *codec)
676{
677 cvt_nid = 0x02;
678 pin_nid = 0x04;
679 return do_patch_intel_hdmi(codec);
680}
681
682static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
683 { .id = 0x808629fb, .name = "G45 DEVCL", .patch = patch_intel_hdmi },
684 { .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi },
685 { .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi },
686 { .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi },
687 { .id = 0x80862804, .name = "G45 DEVIBX", .patch = patch_intel_hdmi },
688 { .id = 0x80860054, .name = "Q57 DEVIBX", .patch = patch_intel_hdmi_ibexpeak },
689 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
690 {}
691};
692
693MODULE_ALIAS("snd-hda-codec-id:808629fb");
694MODULE_ALIAS("snd-hda-codec-id:80862801");
695MODULE_ALIAS("snd-hda-codec-id:80862802");
696MODULE_ALIAS("snd-hda-codec-id:80862803");
697MODULE_ALIAS("snd-hda-codec-id:80862804");
698MODULE_ALIAS("snd-hda-codec-id:80860054");
699MODULE_ALIAS("snd-hda-codec-id:10951392");
700
701MODULE_LICENSE("GPL");
702MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
703
704static struct hda_codec_preset_list intel_list = {
705 .preset = snd_hda_preset_intelhdmi,
706 .owner = THIS_MODULE,
707};
708
709static int __init patch_intelhdmi_init(void)
710{
711 return snd_hda_add_codec_preset(&intel_list);
712}
713
714static void __exit patch_intelhdmi_exit(void)
715{
716 snd_hda_delete_codec_preset(&intel_list);
717}
718
719module_init(patch_intelhdmi_init)
720module_exit(patch_intelhdmi_exit)
721
