3 * patch_intelhdmi.c - Patch for Intel HDMI codecs
5 * Copyright(c) 2008 Intel Corporation. All rights reserved.
8 * Jiang Zhe <zhe.jiang@intel.com>
9 * Wu Fengguang <wfg@linux.intel.com>
12 * Wu Fengguang <wfg@linux.intel.com>
14 * This program is free software; you can redistribute it and/or modify it
15 * under the terms of the GNU General Public License as published by the Free
16 * Software Foundation; either version 2 of the License, or (at your option)
19 * This program is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
21 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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"
36 #define CVT_NID 0x02 /* audio converter */
37 #define PIN_NID 0x03 /* HDMI output pin */
39 #define INTEL_HDMI_EVENT_TAG 0x08
41 struct intel_hdmi_spec {
42 struct hda_multi_out multiout;
43 struct hda_pcm pcm_rec;
44 struct hdmi_eld sink_eld;
47 static struct hda_verb pinout_enable_verb[] = {
48 {PIN_NID, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
52 static struct hda_verb unsolicited_response_verb[] = {
53 {PIN_NID, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN |
54 INTEL_HDMI_EVENT_TAG},
58 static struct hda_verb def_chan_map[] = {
59 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x00},
60 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x11},
61 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x22},
62 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x33},
63 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x44},
64 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x55},
65 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x66},
66 {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x77},
71 struct hdmi_audio_infoframe {
76 u8 checksum; /* PB0 */
77 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
81 u8 LFEPBL01_LSV36_DM_INH7;
82 u8 reserved[5]; /* PB6 - PB10 */
86 * CEA speaker placement:
89 * FLW FL FLC FC FRC FR FRW
96 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
97 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
99 enum cea_speaker_placement {
100 FL = (1 << 0), /* Front Left */
101 FC = (1 << 1), /* Front Center */
102 FR = (1 << 2), /* Front Right */
103 FLC = (1 << 3), /* Front Left Center */
104 FRC = (1 << 4), /* Front Right Center */
105 RL = (1 << 5), /* Rear Left */
106 RC = (1 << 6), /* Rear Center */
107 RR = (1 << 7), /* Rear Right */
108 RLC = (1 << 8), /* Rear Left Center */
109 RRC = (1 << 9), /* Rear Right Center */
110 LFE = (1 << 10), /* Low Frequency Effect */
111 FLW = (1 << 11), /* Front Left Wide */
112 FRW = (1 << 12), /* Front Right Wide */
113 FLH = (1 << 13), /* Front Left High */
114 FCH = (1 << 14), /* Front Center High */
115 FRH = (1 << 15), /* Front Right High */
116 TC = (1 << 16), /* Top Center */
120 * ELD SA bits in the CEA Speaker Allocation data block
122 static int eld_speaker_allocation_bits[] = {
130 /* the following are not defined in ELD yet */
137 struct cea_channel_speaker_allocation {
141 /* derived values, just for convenience */
147 * This is an ordered list!
149 * The preceding ones have better chances to be selected by
150 * hdmi_setup_channel_allocation().
152 static struct cea_channel_speaker_allocation channel_allocations[] = {
153 /* channel: 8 7 6 5 4 3 2 1 */
154 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
156 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
158 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
159 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
160 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
161 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
162 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
163 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
164 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
165 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
166 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
168 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
169 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
170 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
171 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
173 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
174 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
175 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
176 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
178 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
179 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
180 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
181 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
182 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
183 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
184 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
185 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
186 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
187 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
188 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
189 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
190 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
191 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
192 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
193 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
194 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
195 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
196 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
197 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
198 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
199 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
200 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
201 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
202 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
203 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
204 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
205 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
206 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
207 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
208 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
216 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t nid,
217 int *packet_index, int *byte_index)
221 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_INDEX, 0);
223 *packet_index = val >> 5;
224 *byte_index = val & 0x1f;
228 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t nid,
229 int packet_index, int byte_index)
233 val = (packet_index << 5) | (byte_index & 0x1f);
235 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
238 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t nid,
241 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
244 static void hdmi_enable_output(struct hda_codec *codec)
247 if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP)
248 snd_hda_codec_write(codec, PIN_NID, 0,
249 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
251 snd_hda_sequence_write(codec, pinout_enable_verb);
255 * Enable Audio InfoFrame Transmission
257 static void hdmi_start_infoframe_trans(struct hda_codec *codec)
259 hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
260 snd_hda_codec_write(codec, PIN_NID, 0, AC_VERB_SET_HDMI_DIP_XMIT,
265 * Disable Audio InfoFrame Transmission
267 static void hdmi_stop_infoframe_trans(struct hda_codec *codec)
269 hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
270 snd_hda_codec_write(codec, PIN_NID, 0, AC_VERB_SET_HDMI_DIP_XMIT,
274 static int hdmi_get_channel_count(struct hda_codec *codec)
276 return 1 + snd_hda_codec_read(codec, CVT_NID, 0,
277 AC_VERB_GET_CVT_CHAN_COUNT, 0);
280 static void hdmi_set_channel_count(struct hda_codec *codec, int chs)
282 snd_hda_codec_write(codec, CVT_NID, 0,
283 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
285 if (chs != hdmi_get_channel_count(codec))
286 snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
287 chs, hdmi_get_channel_count(codec));
290 static void hdmi_debug_channel_mapping(struct hda_codec *codec)
292 #ifdef CONFIG_SND_DEBUG_VERBOSE
296 for (i = 0; i < 8; i++) {
297 slot = snd_hda_codec_read(codec, CVT_NID, 0,
298 AC_VERB_GET_HDMI_CHAN_SLOT, i);
299 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
300 slot >> 4, slot & 0x7);
305 static void hdmi_parse_eld(struct hda_codec *codec)
307 struct intel_hdmi_spec *spec = codec->spec;
308 struct hdmi_eld *eld = &spec->sink_eld;
310 if (!snd_hdmi_get_eld(eld, codec, PIN_NID))
311 snd_hdmi_show_eld(eld);
316 * Audio InfoFrame routines
319 static void hdmi_debug_dip_size(struct hda_codec *codec)
321 #ifdef CONFIG_SND_DEBUG_VERBOSE
325 size = snd_hdmi_get_eld_size(codec, PIN_NID);
326 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
328 for (i = 0; i < 8; i++) {
329 size = snd_hda_codec_read(codec, PIN_NID, 0,
330 AC_VERB_GET_HDMI_DIP_SIZE, i);
331 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
336 static void hdmi_clear_dip_buffers(struct hda_codec *codec)
342 for (i = 0; i < 8; i++) {
343 size = snd_hda_codec_read(codec, PIN_NID, 0,
344 AC_VERB_GET_HDMI_DIP_SIZE, i);
348 hdmi_set_dip_index(codec, PIN_NID, i, 0x0);
349 for (j = 1; j < 1000; j++) {
350 hdmi_write_dip_byte(codec, PIN_NID, 0x0);
351 hdmi_get_dip_index(codec, PIN_NID, &pi, &bi);
353 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
355 if (bi == 0) /* byte index wrapped around */
359 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
365 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
366 struct hdmi_audio_infoframe *ai)
368 u8 *params = (u8 *)ai;
372 hdmi_debug_dip_size(codec);
373 hdmi_clear_dip_buffers(codec); /* be paranoid */
375 for (i = 0; i < sizeof(ai); i++)
377 ai->checksum = - sum;
379 hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
380 for (i = 0; i < sizeof(ai); i++)
381 hdmi_write_dip_byte(codec, PIN_NID, params[i]);
385 * Compute derived values in channel_allocations[].
387 static void init_channel_allocations(void)
390 struct cea_channel_speaker_allocation *p;
392 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
393 p = channel_allocations + i;
396 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
397 if (p->speakers[j]) {
399 p->spk_mask |= p->speakers[j];
405 * The transformation takes two steps:
407 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
408 * spk_mask => (channel_allocations[]) => ai->CA
410 * TODO: it could select the wrong CA from multiple candidates.
412 static int hdmi_setup_channel_allocation(struct hda_codec *codec,
413 struct hdmi_audio_infoframe *ai)
415 struct intel_hdmi_spec *spec = codec->spec;
416 struct hdmi_eld *eld = &spec->sink_eld;
419 int channels = 1 + (ai->CC02_CT47 & 0x7);
420 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
423 * CA defaults to 0 for basic stereo audio
429 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
430 * in console or for audio devices. Assume the highest speakers
431 * configuration, to _not_ prohibit multi-channel audio playback.
434 eld->spk_alloc = 0xffff;
437 * expand ELD's speaker allocation mask
439 * ELD tells the speaker mask in a compact(paired) form,
440 * expand ELD's notions to match the ones used by Audio InfoFrame.
442 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
443 if (eld->spk_alloc & (1 << i))
444 spk_mask |= eld_speaker_allocation_bits[i];
447 /* search for the first working match in the CA table */
448 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
449 if (channels == channel_allocations[i].channels &&
450 (spk_mask & channel_allocations[i].spk_mask) ==
451 channel_allocations[i].spk_mask) {
452 ai->CA = channel_allocations[i].ca_index;
457 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
458 snd_printdd(KERN_INFO
459 "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
460 ai->CA, channels, buf);
465 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
466 struct hdmi_audio_infoframe *ai)
472 * TODO: adjust channel mapping if necessary
473 * ALSA sequence is front/surr/clfe/side?
476 snd_hda_sequence_write(codec, def_chan_map);
477 hdmi_debug_channel_mapping(codec);
481 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
482 struct snd_pcm_substream *substream)
484 struct hdmi_audio_infoframe ai = {
488 .CC02_CT47 = substream->runtime->channels - 1,
491 hdmi_setup_channel_allocation(codec, &ai);
492 hdmi_setup_channel_mapping(codec, &ai);
494 hdmi_fill_audio_infoframe(codec, &ai);
495 hdmi_start_infoframe_trans(codec);
503 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
505 int pind = !!(res & AC_UNSOL_RES_PD);
506 int eldv = !!(res & AC_UNSOL_RES_ELDV);
509 "HDMI hot plug event: Presence_Detect=%d ELD_Valid=%d\n",
513 hdmi_parse_eld(codec);
514 /* TODO: do real things about ELD */
518 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
520 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
521 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
522 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
525 "HDMI content protection event: SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
538 static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
540 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
541 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
543 if (tag != INTEL_HDMI_EVENT_TAG) {
544 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
549 hdmi_intrinsic_event(codec, res);
551 hdmi_non_intrinsic_event(codec, res);
558 static int intel_hdmi_playback_pcm_open(struct hda_pcm_stream *hinfo,
559 struct hda_codec *codec,
560 struct snd_pcm_substream *substream)
562 struct intel_hdmi_spec *spec = codec->spec;
564 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
567 static int intel_hdmi_playback_pcm_close(struct hda_pcm_stream *hinfo,
568 struct hda_codec *codec,
569 struct snd_pcm_substream *substream)
571 struct intel_hdmi_spec *spec = codec->spec;
573 hdmi_stop_infoframe_trans(codec);
575 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
578 static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
579 struct hda_codec *codec,
580 unsigned int stream_tag,
582 struct snd_pcm_substream *substream)
584 struct intel_hdmi_spec *spec = codec->spec;
586 snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
589 hdmi_set_channel_count(codec, substream->runtime->channels);
591 hdmi_setup_audio_infoframe(codec, substream);
596 static struct hda_pcm_stream intel_hdmi_pcm_playback = {
600 .nid = CVT_NID, /* NID to query formats and rates and setup streams */
602 .open = intel_hdmi_playback_pcm_open,
603 .close = intel_hdmi_playback_pcm_close,
604 .prepare = intel_hdmi_playback_pcm_prepare
608 static int intel_hdmi_build_pcms(struct hda_codec *codec)
610 struct intel_hdmi_spec *spec = codec->spec;
611 struct hda_pcm *info = &spec->pcm_rec;
614 codec->pcm_info = info;
616 info->name = "INTEL HDMI";
617 info->pcm_type = HDA_PCM_TYPE_HDMI;
618 info->stream[SNDRV_PCM_STREAM_PLAYBACK] = intel_hdmi_pcm_playback;
623 static int intel_hdmi_build_controls(struct hda_codec *codec)
625 struct intel_hdmi_spec *spec = codec->spec;
628 err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
635 static int intel_hdmi_init(struct hda_codec *codec)
637 hdmi_enable_output(codec);
639 snd_hda_sequence_write(codec, unsolicited_response_verb);
644 static void intel_hdmi_free(struct hda_codec *codec)
646 struct intel_hdmi_spec *spec = codec->spec;
648 snd_hda_eld_proc_free(codec, &spec->sink_eld);
652 static struct hda_codec_ops intel_hdmi_patch_ops = {
653 .init = intel_hdmi_init,
654 .free = intel_hdmi_free,
655 .build_pcms = intel_hdmi_build_pcms,
656 .build_controls = intel_hdmi_build_controls,
657 .unsol_event = intel_hdmi_unsol_event,
660 static int patch_intel_hdmi(struct hda_codec *codec)
662 struct intel_hdmi_spec *spec;
664 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
668 spec->multiout.num_dacs = 0; /* no analog */
669 spec->multiout.max_channels = 8;
670 spec->multiout.dig_out_nid = CVT_NID;
673 codec->patch_ops = intel_hdmi_patch_ops;
675 snd_hda_eld_proc_new(codec, &spec->sink_eld);
677 init_channel_allocations();
682 static 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 = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
692 MODULE_ALIAS("snd-hda-codec-id:808629fb");
693 MODULE_ALIAS("snd-hda-codec-id:80862801");
694 MODULE_ALIAS("snd-hda-codec-id:80862802");
695 MODULE_ALIAS("snd-hda-codec-id:80862803");
696 MODULE_ALIAS("snd-hda-codec-id:80862804");
697 MODULE_ALIAS("snd-hda-codec-id:10951392");
699 MODULE_LICENSE("GPL");
700 MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
702 static struct hda_codec_preset_list intel_list = {
703 .preset = snd_hda_preset_intelhdmi,
704 .owner = THIS_MODULE,
707 static int __init patch_intelhdmi_init(void)
709 return snd_hda_add_codec_preset(&intel_list);
712 static void __exit patch_intelhdmi_exit(void)
714 snd_hda_delete_codec_preset(&intel_list);
717 module_init(patch_intelhdmi_init)
718 module_exit(patch_intelhdmi_exit)