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1 /*
2  * HD audio interface patch for Cirrus Logic CS420x chip
3  *
4  * Copyright (c) 2009 Takashi Iwai <tiwai@suse.de>
5  *
6  *  This driver is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This driver is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  */
20
21 #include <linux/init.h>
22 #include <linux/delay.h>
23 #include <linux/slab.h>
24 #include <linux/pci.h>
25 #include <sound/core.h>
26 #include "hda_codec.h"
27 #include "hda_local.h"
28
29 /*
30  */
31
32 struct cs_spec {
33         int board_config;
34         struct auto_pin_cfg autocfg;
35         struct hda_multi_out multiout;
36         struct snd_kcontrol *vmaster_sw;
37         struct snd_kcontrol *vmaster_vol;
38
39         hda_nid_t dac_nid[AUTO_CFG_MAX_OUTS];
40         hda_nid_t slave_dig_outs[2];
41
42         unsigned int input_idx[AUTO_PIN_LAST];
43         unsigned int capsrc_idx[AUTO_PIN_LAST];
44         hda_nid_t adc_nid[AUTO_PIN_LAST];
45         unsigned int adc_idx[AUTO_PIN_LAST];
46         unsigned int num_inputs;
47         unsigned int cur_input;
48         unsigned int automic_idx;
49         hda_nid_t cur_adc;
50         unsigned int cur_adc_stream_tag;
51         unsigned int cur_adc_format;
52         hda_nid_t dig_in;
53
54         struct hda_bind_ctls *capture_bind[2];
55
56         unsigned int gpio_mask;
57         unsigned int gpio_dir;
58         unsigned int gpio_data;
59
60         struct hda_pcm pcm_rec[2];      /* PCM information */
61
62         unsigned int hp_detect:1;
63         unsigned int mic_detect:1;
64 };
65
66 /* available models */
67 enum {
68         CS420X_MBP55,
69         CS420X_IMAC27,
70         CS420X_AUTO,
71         CS420X_MODELS
72 };
73
74 /* Vendor-specific processing widget */
75 #define CS420X_VENDOR_NID       0x11
76 #define CS_DIG_OUT1_PIN_NID     0x10
77 #define CS_DIG_OUT2_PIN_NID     0x15
78 #define CS_DMIC1_PIN_NID        0x12
79 #define CS_DMIC2_PIN_NID        0x0e
80
81 /* coef indices */
82 #define IDX_SPDIF_STAT          0x0000
83 #define IDX_SPDIF_CTL           0x0001
84 #define IDX_ADC_CFG             0x0002
85 /* SZC bitmask, 4 modes below:
86  * 0 = immediate,
87  * 1 = digital immediate, analog zero-cross
88  * 2 = digtail & analog soft-ramp
89  * 3 = digital soft-ramp, analog zero-cross
90  */
91 #define   CS_COEF_ADC_SZC_MASK          (3 << 0)
92 #define   CS_COEF_ADC_MIC_SZC_MODE      (3 << 0) /* SZC setup for mic */
93 #define   CS_COEF_ADC_LI_SZC_MODE       (3 << 0) /* SZC setup for line-in */
94 /* PGA mode: 0 = differential, 1 = signle-ended */
95 #define   CS_COEF_ADC_MIC_PGA_MODE      (1 << 5) /* PGA setup for mic */
96 #define   CS_COEF_ADC_LI_PGA_MODE       (1 << 6) /* PGA setup for line-in */
97 #define IDX_DAC_CFG             0x0003
98 /* SZC bitmask, 4 modes below:
99  * 0 = Immediate
100  * 1 = zero-cross
101  * 2 = soft-ramp
102  * 3 = soft-ramp on zero-cross
103  */
104 #define   CS_COEF_DAC_HP_SZC_MODE       (3 << 0) /* nid 0x02 */
105 #define   CS_COEF_DAC_LO_SZC_MODE       (3 << 2) /* nid 0x03 */
106 #define   CS_COEF_DAC_SPK_SZC_MODE      (3 << 4) /* nid 0x04 */
107
108 #define IDX_BEEP_CFG            0x0004
109 /* 0x0008 - test reg key */
110 /* 0x0009 - 0x0014 -> 12 test regs */
111 /* 0x0015 - visibility reg */
112
113
114 static inline int cs_vendor_coef_get(struct hda_codec *codec, unsigned int idx)
115 {
116         snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
117                             AC_VERB_SET_COEF_INDEX, idx);
118         return snd_hda_codec_read(codec, CS420X_VENDOR_NID, 0,
119                                   AC_VERB_GET_PROC_COEF, 0);
120 }
121
122 static inline void cs_vendor_coef_set(struct hda_codec *codec, unsigned int idx,
123                                       unsigned int coef)
124 {
125         snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
126                             AC_VERB_SET_COEF_INDEX, idx);
127         snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
128                             AC_VERB_SET_PROC_COEF, coef);
129 }
130
131
132 #define HP_EVENT        1
133 #define MIC_EVENT       2
134
135 /*
136  * PCM callbacks
137  */
138 static int cs_playback_pcm_open(struct hda_pcm_stream *hinfo,
139                                 struct hda_codec *codec,
140                                 struct snd_pcm_substream *substream)
141 {
142         struct cs_spec *spec = codec->spec;
143         return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
144                                              hinfo);
145 }
146
147 static int cs_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
148                                    struct hda_codec *codec,
149                                    unsigned int stream_tag,
150                                    unsigned int format,
151                                    struct snd_pcm_substream *substream)
152 {
153         struct cs_spec *spec = codec->spec;
154         return snd_hda_multi_out_analog_prepare(codec, &spec->multiout,
155                                                 stream_tag, format, substream);
156 }
157
158 static int cs_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
159                                    struct hda_codec *codec,
160                                    struct snd_pcm_substream *substream)
161 {
162         struct cs_spec *spec = codec->spec;
163         return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
164 }
165
166 /*
167  * Digital out
168  */
169 static int cs_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
170                                     struct hda_codec *codec,
171                                     struct snd_pcm_substream *substream)
172 {
173         struct cs_spec *spec = codec->spec;
174         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
175 }
176
177 static int cs_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
178                                      struct hda_codec *codec,
179                                      struct snd_pcm_substream *substream)
180 {
181         struct cs_spec *spec = codec->spec;
182         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
183 }
184
185 static int cs_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
186                                        struct hda_codec *codec,
187                                        unsigned int stream_tag,
188                                        unsigned int format,
189                                        struct snd_pcm_substream *substream)
190 {
191         struct cs_spec *spec = codec->spec;
192         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
193                                              format, substream);
194 }
195
196 static int cs_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
197                                        struct hda_codec *codec,
198                                        struct snd_pcm_substream *substream)
199 {
200         struct cs_spec *spec = codec->spec;
201         return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
202 }
203
204 /*
205  * Analog capture
206  */
207 static int cs_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
208                                   struct hda_codec *codec,
209                                   unsigned int stream_tag,
210                                   unsigned int format,
211                                   struct snd_pcm_substream *substream)
212 {
213         struct cs_spec *spec = codec->spec;
214         spec->cur_adc = spec->adc_nid[spec->cur_input];
215         spec->cur_adc_stream_tag = stream_tag;
216         spec->cur_adc_format = format;
217         snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format);
218         return 0;
219 }
220
221 static int cs_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
222                                   struct hda_codec *codec,
223                                   struct snd_pcm_substream *substream)
224 {
225         struct cs_spec *spec = codec->spec;
226         snd_hda_codec_cleanup_stream(codec, spec->cur_adc);
227         spec->cur_adc = 0;
228         return 0;
229 }
230
231 /*
232  */
233 static struct hda_pcm_stream cs_pcm_analog_playback = {
234         .substreams = 1,
235         .channels_min = 2,
236         .channels_max = 2,
237         .ops = {
238                 .open = cs_playback_pcm_open,
239                 .prepare = cs_playback_pcm_prepare,
240                 .cleanup = cs_playback_pcm_cleanup
241         },
242 };
243
244 static struct hda_pcm_stream cs_pcm_analog_capture = {
245         .substreams = 1,
246         .channels_min = 2,
247         .channels_max = 2,
248         .ops = {
249                 .prepare = cs_capture_pcm_prepare,
250                 .cleanup = cs_capture_pcm_cleanup
251         },
252 };
253
254 static struct hda_pcm_stream cs_pcm_digital_playback = {
255         .substreams = 1,
256         .channels_min = 2,
257         .channels_max = 2,
258         .ops = {
259                 .open = cs_dig_playback_pcm_open,
260                 .close = cs_dig_playback_pcm_close,
261                 .prepare = cs_dig_playback_pcm_prepare,
262                 .cleanup = cs_dig_playback_pcm_cleanup
263         },
264 };
265
266 static struct hda_pcm_stream cs_pcm_digital_capture = {
267         .substreams = 1,
268         .channels_min = 2,
269         .channels_max = 2,
270 };
271
272 static int cs_build_pcms(struct hda_codec *codec)
273 {
274         struct cs_spec *spec = codec->spec;
275         struct hda_pcm *info = spec->pcm_rec;
276
277         codec->pcm_info = info;
278         codec->num_pcms = 0;
279
280         info->name = "Cirrus Analog";
281         info->stream[SNDRV_PCM_STREAM_PLAYBACK] = cs_pcm_analog_playback;
282         info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dac_nid[0];
283         info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
284                 spec->multiout.max_channels;
285         info->stream[SNDRV_PCM_STREAM_CAPTURE] = cs_pcm_analog_capture;
286         info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =
287                 spec->adc_nid[spec->cur_input];
288         codec->num_pcms++;
289
290         if (!spec->multiout.dig_out_nid && !spec->dig_in)
291                 return 0;
292
293         info++;
294         info->name = "Cirrus Digital";
295         info->pcm_type = spec->autocfg.dig_out_type[0];
296         if (!info->pcm_type)
297                 info->pcm_type = HDA_PCM_TYPE_SPDIF;
298         if (spec->multiout.dig_out_nid) {
299                 info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
300                         cs_pcm_digital_playback;
301                 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
302                         spec->multiout.dig_out_nid;
303         }
304         if (spec->dig_in) {
305                 info->stream[SNDRV_PCM_STREAM_CAPTURE] =
306                         cs_pcm_digital_capture;
307                 info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in;
308         }
309         codec->num_pcms++;
310
311         return 0;
312 }
313
314 /*
315  * parse codec topology
316  */
317
318 static hda_nid_t get_dac(struct hda_codec *codec, hda_nid_t pin)
319 {
320         hda_nid_t dac;
321         if (!pin)
322                 return 0;
323         if (snd_hda_get_connections(codec, pin, &dac, 1) != 1)
324                 return 0;
325         return dac;
326 }
327
328 static int is_ext_mic(struct hda_codec *codec, unsigned int idx)
329 {
330         struct cs_spec *spec = codec->spec;
331         struct auto_pin_cfg *cfg = &spec->autocfg;
332         hda_nid_t pin = cfg->inputs[idx].pin;
333         unsigned int val = snd_hda_query_pin_caps(codec, pin);
334         if (!(val & AC_PINCAP_PRES_DETECT))
335                 return 0;
336         val = snd_hda_codec_get_pincfg(codec, pin);
337         return (get_defcfg_connect(val) == AC_JACK_PORT_COMPLEX);
338 }
339
340 static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
341                          unsigned int *idxp)
342 {
343         int i;
344         hda_nid_t nid;
345
346         nid = codec->start_nid;
347         for (i = 0; i < codec->num_nodes; i++, nid++) {
348                 hda_nid_t pins[2];
349                 unsigned int type;
350                 int j, nums;
351                 type = (get_wcaps(codec, nid) & AC_WCAP_TYPE)
352                         >> AC_WCAP_TYPE_SHIFT;
353                 if (type != AC_WID_AUD_IN)
354                         continue;
355                 nums = snd_hda_get_connections(codec, nid, pins,
356                                                ARRAY_SIZE(pins));
357                 if (nums <= 0)
358                         continue;
359                 for (j = 0; j < nums; j++) {
360                         if (pins[j] == pin) {
361                                 *idxp = j;
362                                 return nid;
363                         }
364                 }
365         }
366         return 0;
367 }
368
369 static int is_active_pin(struct hda_codec *codec, hda_nid_t nid)
370 {
371         unsigned int val;
372         val = snd_hda_codec_get_pincfg(codec, nid);
373         return (get_defcfg_connect(val) != AC_JACK_PORT_NONE);
374 }
375
376 static int parse_output(struct hda_codec *codec)
377 {
378         struct cs_spec *spec = codec->spec;
379         struct auto_pin_cfg *cfg = &spec->autocfg;
380         int i, extra_nids;
381         hda_nid_t dac;
382
383         for (i = 0; i < cfg->line_outs; i++) {
384                 dac = get_dac(codec, cfg->line_out_pins[i]);
385                 if (!dac)
386                         break;
387                 spec->dac_nid[i] = dac;
388         }
389         spec->multiout.num_dacs = i;
390         spec->multiout.dac_nids = spec->dac_nid;
391         spec->multiout.max_channels = i * 2;
392
393         /* add HP and speakers */
394         extra_nids = 0;
395         for (i = 0; i < cfg->hp_outs; i++) {
396                 dac = get_dac(codec, cfg->hp_pins[i]);
397                 if (!dac)
398                         break;
399                 if (!i)
400                         spec->multiout.hp_nid = dac;
401                 else
402                         spec->multiout.extra_out_nid[extra_nids++] = dac;
403         }
404         for (i = 0; i < cfg->speaker_outs; i++) {
405                 dac = get_dac(codec, cfg->speaker_pins[i]);
406                 if (!dac)
407                         break;
408                 spec->multiout.extra_out_nid[extra_nids++] = dac;
409         }
410
411         if (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT) {
412                 cfg->speaker_outs = cfg->line_outs;
413                 memcpy(cfg->speaker_pins, cfg->line_out_pins,
414                        sizeof(cfg->speaker_pins));
415                 cfg->line_outs = 0;
416         }
417
418         return 0;
419 }
420
421 static int parse_input(struct hda_codec *codec)
422 {
423         struct cs_spec *spec = codec->spec;
424         struct auto_pin_cfg *cfg = &spec->autocfg;
425         int i;
426
427         for (i = 0; i < cfg->num_inputs; i++) {
428                 hda_nid_t pin = cfg->inputs[i].pin;
429                 spec->input_idx[spec->num_inputs] = i;
430                 spec->capsrc_idx[i] = spec->num_inputs++;
431                 spec->cur_input = i;
432                 spec->adc_nid[i] = get_adc(codec, pin, &spec->adc_idx[i]);
433         }
434         if (!spec->num_inputs)
435                 return 0;
436
437         /* check whether the automatic mic switch is available */
438         if (spec->num_inputs == 2 &&
439             cfg->inputs[0].type <= AUTO_PIN_FRONT_MIC &&
440             cfg->inputs[1].type == AUTO_PIN_FRONT_MIC) {
441                 if (is_ext_mic(codec, cfg->inputs[0].pin)) {
442                         if (!is_ext_mic(codec, cfg->inputs[1].pin)) {
443                                 spec->mic_detect = 1;
444                                 spec->automic_idx = 0;
445                         }
446                 } else {
447                         if (is_ext_mic(codec, cfg->inputs[1].pin)) {
448                                 spec->mic_detect = 1;
449                                 spec->automic_idx = 1;
450                         }
451                 }
452         }
453         return 0;
454 }
455
456
457 static int parse_digital_output(struct hda_codec *codec)
458 {
459         struct cs_spec *spec = codec->spec;
460         struct auto_pin_cfg *cfg = &spec->autocfg;
461         hda_nid_t nid;
462
463         if (!cfg->dig_outs)
464                 return 0;
465         if (snd_hda_get_connections(codec, cfg->dig_out_pins[0], &nid, 1) < 1)
466                 return 0;
467         spec->multiout.dig_out_nid = nid;
468         spec->multiout.share_spdif = 1;
469         if (cfg->dig_outs > 1 &&
470             snd_hda_get_connections(codec, cfg->dig_out_pins[1], &nid, 1) > 0) {
471                 spec->slave_dig_outs[0] = nid;
472                 codec->slave_dig_outs = spec->slave_dig_outs;
473         }
474         return 0;
475 }
476
477 static int parse_digital_input(struct hda_codec *codec)
478 {
479         struct cs_spec *spec = codec->spec;
480         struct auto_pin_cfg *cfg = &spec->autocfg;
481         int idx;
482
483         if (cfg->dig_in_pin)
484                 spec->dig_in = get_adc(codec, cfg->dig_in_pin, &idx);
485         return 0;
486 }
487
488 /*
489  * create mixer controls
490  */
491
492 static const char *dir_sfx[2] = { "Playback", "Capture" };
493
494 static int add_mute(struct hda_codec *codec, const char *name, int index,
495                     unsigned int pval, int dir, struct snd_kcontrol **kctlp)
496 {
497         char tmp[44];
498         struct snd_kcontrol_new knew =
499                 HDA_CODEC_MUTE_IDX(tmp, index, 0, 0, HDA_OUTPUT);
500         knew.private_value = pval;
501         snprintf(tmp, sizeof(tmp), "%s %s Switch", name, dir_sfx[dir]);
502         *kctlp = snd_ctl_new1(&knew, codec);
503         (*kctlp)->id.subdevice = HDA_SUBDEV_AMP_FLAG;
504         return snd_hda_ctl_add(codec, 0, *kctlp);
505 }
506
507 static int add_volume(struct hda_codec *codec, const char *name,
508                       int index, unsigned int pval, int dir,
509                       struct snd_kcontrol **kctlp)
510 {
511         char tmp[32];
512         struct snd_kcontrol_new knew =
513                 HDA_CODEC_VOLUME_IDX(tmp, index, 0, 0, HDA_OUTPUT);
514         knew.private_value = pval;
515         snprintf(tmp, sizeof(tmp), "%s %s Volume", name, dir_sfx[dir]);
516         *kctlp = snd_ctl_new1(&knew, codec);
517         (*kctlp)->id.subdevice = HDA_SUBDEV_AMP_FLAG;
518         return snd_hda_ctl_add(codec, 0, *kctlp);
519 }
520
521 static void fix_volume_caps(struct hda_codec *codec, hda_nid_t dac)
522 {
523         unsigned int caps;
524
525         /* set the upper-limit for mixer amp to 0dB */
526         caps = query_amp_caps(codec, dac, HDA_OUTPUT);
527         caps &= ~(0x7f << AC_AMPCAP_NUM_STEPS_SHIFT);
528         caps |= ((caps >> AC_AMPCAP_OFFSET_SHIFT) & 0x7f)
529                 << AC_AMPCAP_NUM_STEPS_SHIFT;
530         snd_hda_override_amp_caps(codec, dac, HDA_OUTPUT, caps);
531 }
532
533 static int add_vmaster(struct hda_codec *codec, hda_nid_t dac)
534 {
535         struct cs_spec *spec = codec->spec;
536         unsigned int tlv[4];
537         int err;
538
539         spec->vmaster_sw =
540                 snd_ctl_make_virtual_master("Master Playback Switch", NULL);
541         err = snd_hda_ctl_add(codec, dac, spec->vmaster_sw);
542         if (err < 0)
543                 return err;
544
545         snd_hda_set_vmaster_tlv(codec, dac, HDA_OUTPUT, tlv);
546         spec->vmaster_vol =
547                 snd_ctl_make_virtual_master("Master Playback Volume", tlv);
548         err = snd_hda_ctl_add(codec, dac, spec->vmaster_vol);
549         if (err < 0)
550                 return err;
551         return 0;
552 }
553
554 static int add_output(struct hda_codec *codec, hda_nid_t dac, int idx,
555                       int num_ctls, int type)
556 {
557         struct cs_spec *spec = codec->spec;
558         const char *name;
559         int err, index;
560         struct snd_kcontrol *kctl;
561         static char *speakers[] = {
562                 "Front Speaker", "Surround Speaker", "Bass Speaker"
563         };
564         static char *line_outs[] = {
565                 "Front Line-Out", "Surround Line-Out", "Bass Line-Out"
566         };
567
568         fix_volume_caps(codec, dac);
569         if (!spec->vmaster_sw) {
570                 err = add_vmaster(codec, dac);
571                 if (err < 0)
572                         return err;
573         }
574
575         index = 0;
576         switch (type) {
577         case AUTO_PIN_HP_OUT:
578                 name = "Headphone";
579                 index = idx;
580                 break;
581         case AUTO_PIN_SPEAKER_OUT:
582                 if (num_ctls > 1)
583                         name = speakers[idx];
584                 else
585                         name = "Speaker";
586                 break;
587         default:
588                 if (num_ctls > 1)
589                         name = line_outs[idx];
590                 else
591                         name = "Line-Out";
592                 break;
593         }
594
595         err = add_mute(codec, name, index,
596                        HDA_COMPOSE_AMP_VAL(dac, 3, 0, HDA_OUTPUT), 0, &kctl);
597         if (err < 0)
598                 return err;
599         err = snd_ctl_add_slave(spec->vmaster_sw, kctl);
600         if (err < 0)
601                 return err;
602
603         err = add_volume(codec, name, index,
604                          HDA_COMPOSE_AMP_VAL(dac, 3, 0, HDA_OUTPUT), 0, &kctl);
605         if (err < 0)
606                 return err;
607         err = snd_ctl_add_slave(spec->vmaster_vol, kctl);
608         if (err < 0)
609                 return err;
610
611         return 0;
612 }               
613
614 static int build_output(struct hda_codec *codec)
615 {
616         struct cs_spec *spec = codec->spec;
617         struct auto_pin_cfg *cfg = &spec->autocfg;
618         int i, err;
619
620         for (i = 0; i < cfg->line_outs; i++) {
621                 err = add_output(codec, get_dac(codec, cfg->line_out_pins[i]),
622                                  i, cfg->line_outs, cfg->line_out_type);
623                 if (err < 0)
624                         return err;
625         }
626         for (i = 0; i < cfg->hp_outs; i++) {
627                 err = add_output(codec, get_dac(codec, cfg->hp_pins[i]),
628                                  i, cfg->hp_outs, AUTO_PIN_HP_OUT);
629                 if (err < 0)
630                         return err;
631         }
632         for (i = 0; i < cfg->speaker_outs; i++) {
633                 err = add_output(codec, get_dac(codec, cfg->speaker_pins[i]),
634                                  i, cfg->speaker_outs, AUTO_PIN_SPEAKER_OUT);
635                 if (err < 0)
636                         return err;
637         }
638         return 0;
639 }
640
641 /*
642  */
643
644 static struct snd_kcontrol_new cs_capture_ctls[] = {
645         HDA_BIND_SW("Capture Switch", 0),
646         HDA_BIND_VOL("Capture Volume", 0),
647 };
648
649 static int change_cur_input(struct hda_codec *codec, unsigned int idx,
650                             int force)
651 {
652         struct cs_spec *spec = codec->spec;
653         
654         if (spec->cur_input == idx && !force)
655                 return 0;
656         if (spec->cur_adc && spec->cur_adc != spec->adc_nid[idx]) {
657                 /* stream is running, let's swap the current ADC */
658                 __snd_hda_codec_cleanup_stream(codec, spec->cur_adc, 1);
659                 spec->cur_adc = spec->adc_nid[idx];
660                 snd_hda_codec_setup_stream(codec, spec->cur_adc,
661                                            spec->cur_adc_stream_tag, 0,
662                                            spec->cur_adc_format);
663         }
664         snd_hda_codec_write(codec, spec->cur_adc, 0,
665                             AC_VERB_SET_CONNECT_SEL,
666                             spec->adc_idx[idx]);
667         spec->cur_input = idx;
668         return 1;
669 }
670
671 static int cs_capture_source_info(struct snd_kcontrol *kcontrol,
672                                   struct snd_ctl_elem_info *uinfo)
673 {
674         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
675         struct cs_spec *spec = codec->spec;
676         unsigned int idx;
677
678         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
679         uinfo->count = 1;
680         uinfo->value.enumerated.items = spec->num_inputs;
681         if (uinfo->value.enumerated.item >= spec->num_inputs)
682                 uinfo->value.enumerated.item = spec->num_inputs - 1;
683         idx = spec->input_idx[uinfo->value.enumerated.item];
684         strcpy(uinfo->value.enumerated.name, auto_pin_cfg_labels[idx]);
685         return 0;
686 }
687
688 static int cs_capture_source_get(struct snd_kcontrol *kcontrol,
689                                  struct snd_ctl_elem_value *ucontrol)
690 {
691         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
692         struct cs_spec *spec = codec->spec;
693         ucontrol->value.enumerated.item[0] = spec->capsrc_idx[spec->cur_input];
694         return 0;
695 }
696
697 static int cs_capture_source_put(struct snd_kcontrol *kcontrol,
698                                  struct snd_ctl_elem_value *ucontrol)
699 {
700         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
701         struct cs_spec *spec = codec->spec;
702         unsigned int idx = ucontrol->value.enumerated.item[0];
703
704         if (idx >= spec->num_inputs)
705                 return -EINVAL;
706         idx = spec->input_idx[idx];
707         return change_cur_input(codec, idx, 0);
708 }
709
710 static struct snd_kcontrol_new cs_capture_source = {
711         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
712         .name = "Capture Source",
713         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
714         .info = cs_capture_source_info,
715         .get = cs_capture_source_get,
716         .put = cs_capture_source_put,
717 };
718
719 static struct hda_bind_ctls *make_bind_capture(struct hda_codec *codec,
720                                                struct hda_ctl_ops *ops)
721 {
722         struct cs_spec *spec = codec->spec;
723         struct hda_bind_ctls *bind;
724         int i, n;
725
726         bind = kzalloc(sizeof(*bind) + sizeof(long) * (spec->num_inputs + 1),
727                        GFP_KERNEL);
728         if (!bind)
729                 return NULL;
730         bind->ops = ops;
731         n = 0;
732         for (i = 0; i < AUTO_PIN_LAST; i++) {
733                 if (!spec->adc_nid[i])
734                         continue;
735                 bind->values[n++] =
736                         HDA_COMPOSE_AMP_VAL(spec->adc_nid[i], 3,
737                                             spec->adc_idx[i], HDA_INPUT);
738         }
739         return bind;
740 }
741
742 static int build_input(struct hda_codec *codec)
743 {
744         struct cs_spec *spec = codec->spec;
745         int i, err;
746
747         if (!spec->num_inputs)
748                 return 0;
749
750         /* make bind-capture */
751         spec->capture_bind[0] = make_bind_capture(codec, &snd_hda_bind_sw);
752         spec->capture_bind[1] = make_bind_capture(codec, &snd_hda_bind_vol);
753         for (i = 0; i < 2; i++) {
754                 struct snd_kcontrol *kctl;
755                 int n;
756                 if (!spec->capture_bind[i])
757                         return -ENOMEM;
758                 kctl = snd_ctl_new1(&cs_capture_ctls[i], codec);
759                 if (!kctl)
760                         return -ENOMEM;
761                 kctl->private_value = (long)spec->capture_bind[i];
762                 err = snd_hda_ctl_add(codec, 0, kctl);
763                 if (err < 0)
764                         return err;
765                 for (n = 0; n < AUTO_PIN_LAST; n++) {
766                         if (!spec->adc_nid[n])
767                                 continue;
768                         err = snd_hda_add_nid(codec, kctl, 0, spec->adc_nid[n]);
769                         if (err < 0)
770                                 return err;
771                 }
772         }
773         
774         if (spec->num_inputs > 1 && !spec->mic_detect) {
775                 err = snd_hda_ctl_add(codec, 0,
776                                       snd_ctl_new1(&cs_capture_source, codec));
777                 if (err < 0)
778                         return err;
779         }
780
781         return 0;
782 }
783
784 /*
785  */
786
787 static int build_digital_output(struct hda_codec *codec)
788 {
789         struct cs_spec *spec = codec->spec;
790         int err;
791
792         if (!spec->multiout.dig_out_nid)
793                 return 0;
794
795         err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
796         if (err < 0)
797                 return err;
798         err = snd_hda_create_spdif_share_sw(codec, &spec->multiout);
799         if (err < 0)
800                 return err;
801         return 0;
802 }
803
804 static int build_digital_input(struct hda_codec *codec)
805 {
806         struct cs_spec *spec = codec->spec;
807         if (spec->dig_in)
808                 return snd_hda_create_spdif_in_ctls(codec, spec->dig_in);
809         return 0;
810 }
811
812 /*
813  * auto-mute and auto-mic switching
814  */
815
816 static void cs_automute(struct hda_codec *codec)
817 {
818         struct cs_spec *spec = codec->spec;
819         struct auto_pin_cfg *cfg = &spec->autocfg;
820         unsigned int caps, hp_present;
821         hda_nid_t nid;
822         int i;
823
824         hp_present = 0;
825         for (i = 0; i < cfg->hp_outs; i++) {
826                 nid = cfg->hp_pins[i];
827                 caps = snd_hda_query_pin_caps(codec, nid);
828                 if (!(caps & AC_PINCAP_PRES_DETECT))
829                         continue;
830                 hp_present = snd_hda_jack_detect(codec, nid);
831                 if (hp_present)
832                         break;
833         }
834         for (i = 0; i < cfg->speaker_outs; i++) {
835                 nid = cfg->speaker_pins[i];
836                 snd_hda_codec_write(codec, nid, 0,
837                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
838                                     hp_present ? 0 : PIN_OUT);
839         }
840         if (spec->board_config == CS420X_MBP55 ||
841             spec->board_config == CS420X_IMAC27) {
842                 unsigned int gpio = hp_present ? 0x02 : 0x08;
843                 snd_hda_codec_write(codec, 0x01, 0,
844                                     AC_VERB_SET_GPIO_DATA, gpio);
845         }
846 }
847
848 static void cs_automic(struct hda_codec *codec)
849 {
850         struct cs_spec *spec = codec->spec;
851         struct auto_pin_cfg *cfg = &spec->autocfg;
852         hda_nid_t nid;
853         unsigned int present;
854         
855         nid = cfg->inputs[spec->automic_idx].pin;
856         present = snd_hda_jack_detect(codec, nid);
857         if (present)
858                 change_cur_input(codec, spec->automic_idx, 0);
859         else
860                 change_cur_input(codec, !spec->automic_idx, 0);
861 }
862
863 /*
864  */
865
866 static void init_output(struct hda_codec *codec)
867 {
868         struct cs_spec *spec = codec->spec;
869         struct auto_pin_cfg *cfg = &spec->autocfg;
870         int i;
871
872         /* mute first */
873         for (i = 0; i < spec->multiout.num_dacs; i++)
874                 snd_hda_codec_write(codec, spec->multiout.dac_nids[i], 0,
875                                     AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
876         if (spec->multiout.hp_nid)
877                 snd_hda_codec_write(codec, spec->multiout.hp_nid, 0,
878                                     AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
879         for (i = 0; i < ARRAY_SIZE(spec->multiout.extra_out_nid); i++) {
880                 if (!spec->multiout.extra_out_nid[i])
881                         break;
882                 snd_hda_codec_write(codec, spec->multiout.extra_out_nid[i], 0,
883                                     AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
884         }
885
886         /* set appropriate pin controls */
887         for (i = 0; i < cfg->line_outs; i++)
888                 snd_hda_codec_write(codec, cfg->line_out_pins[i], 0,
889                                     AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
890         for (i = 0; i < cfg->hp_outs; i++) {
891                 hda_nid_t nid = cfg->hp_pins[i];
892                 snd_hda_codec_write(codec, nid, 0,
893                                     AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP);
894                 if (!cfg->speaker_outs)
895                         continue;
896                 if (get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP) {
897                         snd_hda_codec_write(codec, nid, 0,
898                                             AC_VERB_SET_UNSOLICITED_ENABLE,
899                                             AC_USRSP_EN | HP_EVENT);
900                         spec->hp_detect = 1;
901                 }
902         }
903         for (i = 0; i < cfg->speaker_outs; i++)
904                 snd_hda_codec_write(codec, cfg->speaker_pins[i], 0,
905                                     AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
906         if (spec->hp_detect)
907                 cs_automute(codec);
908 }
909
910 static void init_input(struct hda_codec *codec)
911 {
912         struct cs_spec *spec = codec->spec;
913         struct auto_pin_cfg *cfg = &spec->autocfg;
914         unsigned int coef;
915         int i;
916
917         for (i = 0; i < cfg->num_inputs; i++) {
918                 unsigned int ctl;
919                 hda_nid_t pin = cfg->inputs[i].pin;
920                 if (!spec->adc_nid[i])
921                         continue;
922                 /* set appropriate pin control and mute first */
923                 ctl = PIN_IN;
924                 if (cfg->inputs[i].type <= AUTO_PIN_FRONT_MIC) {
925                         unsigned int caps = snd_hda_query_pin_caps(codec, pin);
926                         caps >>= AC_PINCAP_VREF_SHIFT;
927                         if (caps & AC_PINCAP_VREF_80)
928                                 ctl = PIN_VREF80;
929                 }
930                 snd_hda_codec_write(codec, pin, 0,
931                                     AC_VERB_SET_PIN_WIDGET_CONTROL, ctl);
932                 snd_hda_codec_write(codec, spec->adc_nid[i], 0,
933                                     AC_VERB_SET_AMP_GAIN_MUTE,
934                                     AMP_IN_MUTE(spec->adc_idx[i]));
935                 if (spec->mic_detect && spec->automic_idx == i)
936                         snd_hda_codec_write(codec, pin, 0,
937                                             AC_VERB_SET_UNSOLICITED_ENABLE,
938                                             AC_USRSP_EN | MIC_EVENT);
939         }
940         change_cur_input(codec, spec->cur_input, 1);
941         if (spec->mic_detect)
942                 cs_automic(codec);
943
944         coef = 0x000a; /* ADC1/2 - Digital and Analog Soft Ramp */
945         if (is_active_pin(codec, CS_DMIC2_PIN_NID))
946                 coef |= 0x0500; /* DMIC2 enable 2 channels, disable GPIO1 */
947         if (is_active_pin(codec, CS_DMIC1_PIN_NID))
948                 coef |= 0x1800; /* DMIC1 enable 2 channels, disable GPIO0 
949                                  * No effect if SPDIF_OUT2 is selected in 
950                                  * IDX_SPDIF_CTL.
951                                   */
952         cs_vendor_coef_set(codec, IDX_ADC_CFG, coef);
953 }
954
955 static struct hda_verb cs_coef_init_verbs[] = {
956         {0x11, AC_VERB_SET_PROC_STATE, 1},
957         {0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG},
958         {0x11, AC_VERB_SET_PROC_COEF,
959          (0x002a /* DAC1/2/3 SZCMode Soft Ramp */
960           | 0x0040 /* Mute DACs on FIFO error */
961           | 0x1000 /* Enable DACs High Pass Filter */
962           | 0x0400 /* Disable Coefficient Auto increment */
963           )},
964         /* Beep */
965         {0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG},
966         {0x11, AC_VERB_SET_PROC_COEF, 0x0007}, /* Enable Beep thru DAC1/2/3 */
967
968         {} /* terminator */
969 };
970
971 /* Errata: CS4207 rev C0/C1/C2 Silicon
972  *
973  * http://www.cirrus.com/en/pubs/errata/ER880C3.pdf
974  *
975  * 6. At high temperature (TA > +85°C), the digital supply current (IVD)
976  * may be excessive (up to an additional 200 μA), which is most easily
977  * observed while the part is being held in reset (RESET# active low).
978  *
979  * Root Cause: At initial powerup of the device, the logic that drives
980  * the clock and write enable to the S/PDIF SRC RAMs is not properly
981  * initialized.
982  * Certain random patterns will cause a steady leakage current in those
983  * RAM cells. The issue will resolve once the SRCs are used (turned on).
984  *
985  * Workaround: The following verb sequence briefly turns on the S/PDIF SRC
986  * blocks, which will alleviate the issue.
987  */
988
989 static struct hda_verb cs_errata_init_verbs[] = {
990         {0x01, AC_VERB_SET_POWER_STATE, 0x00}, /* AFG: D0 */
991         {0x11, AC_VERB_SET_PROC_STATE, 0x01},  /* VPW: processing on */
992
993         {0x11, AC_VERB_SET_COEF_INDEX, 0x0008},
994         {0x11, AC_VERB_SET_PROC_COEF, 0x9999},
995         {0x11, AC_VERB_SET_COEF_INDEX, 0x0017},
996         {0x11, AC_VERB_SET_PROC_COEF, 0xa412},
997         {0x11, AC_VERB_SET_COEF_INDEX, 0x0001},
998         {0x11, AC_VERB_SET_PROC_COEF, 0x0009},
999
1000         {0x07, AC_VERB_SET_POWER_STATE, 0x00}, /* S/PDIF Rx: D0 */
1001         {0x08, AC_VERB_SET_POWER_STATE, 0x00}, /* S/PDIF Tx: D0 */
1002
1003         {0x11, AC_VERB_SET_COEF_INDEX, 0x0017},
1004         {0x11, AC_VERB_SET_PROC_COEF, 0x2412},
1005         {0x11, AC_VERB_SET_COEF_INDEX, 0x0008},
1006         {0x11, AC_VERB_SET_PROC_COEF, 0x0000},
1007         {0x11, AC_VERB_SET_COEF_INDEX, 0x0001},
1008         {0x11, AC_VERB_SET_PROC_COEF, 0x0008},
1009         {0x11, AC_VERB_SET_PROC_STATE, 0x00},
1010
1011         {0x07, AC_VERB_SET_POWER_STATE, 0x03}, /* S/PDIF Rx: D3 */
1012         {0x08, AC_VERB_SET_POWER_STATE, 0x03}, /* S/PDIF Tx: D3 */
1013         /*{0x01, AC_VERB_SET_POWER_STATE, 0x03},*/ /* AFG: D3 This is already handled */
1014
1015         {} /* terminator */
1016 };
1017
1018 /* SPDIF setup */
1019 static void init_digital(struct hda_codec *codec)
1020 {
1021         unsigned int coef;
1022
1023         coef = 0x0002; /* SRC_MUTE soft-mute on SPDIF (if no lock) */
1024         coef |= 0x0008; /* Replace with mute on error */
1025         if (is_active_pin(codec, CS_DIG_OUT2_PIN_NID))
1026                 coef |= 0x4000; /* RX to TX1 or TX2 Loopthru / SPDIF2
1027                                  * SPDIF_OUT2 is shared with GPIO1 and
1028                                  * DMIC_SDA2.
1029                                  */
1030         cs_vendor_coef_set(codec, IDX_SPDIF_CTL, coef);
1031 }
1032
1033 static int cs_init(struct hda_codec *codec)
1034 {
1035         struct cs_spec *spec = codec->spec;
1036
1037         /* init_verb sequence for C0/C1/C2 errata*/
1038         snd_hda_sequence_write(codec, cs_errata_init_verbs);
1039
1040         snd_hda_sequence_write(codec, cs_coef_init_verbs);
1041
1042         if (spec->gpio_mask) {
1043                 snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_MASK,
1044                                     spec->gpio_mask);
1045                 snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DIRECTION,
1046                                     spec->gpio_dir);
1047                 snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
1048                                     spec->gpio_data);
1049         }
1050
1051         init_output(codec);
1052         init_input(codec);
1053         init_digital(codec);
1054         return 0;
1055 }
1056
1057 static int cs_build_controls(struct hda_codec *codec)
1058 {
1059         int err;
1060
1061         err = build_output(codec);
1062         if (err < 0)
1063                 return err;
1064         err = build_input(codec);
1065         if (err < 0)
1066                 return err;
1067         err = build_digital_output(codec);
1068         if (err < 0)
1069                 return err;
1070         err = build_digital_input(codec);
1071         if (err < 0)
1072                 return err;
1073         return cs_init(codec);
1074 }
1075
1076 static void cs_free(struct hda_codec *codec)
1077 {
1078         struct cs_spec *spec = codec->spec;
1079         kfree(spec->capture_bind[0]);
1080         kfree(spec->capture_bind[1]);
1081         kfree(codec->spec);
1082 }
1083
1084 static void cs_unsol_event(struct hda_codec *codec, unsigned int res)
1085 {
1086         switch ((res >> 26) & 0x7f) {
1087         case HP_EVENT:
1088                 cs_automute(codec);
1089                 break;
1090         case MIC_EVENT:
1091                 cs_automic(codec);
1092                 break;
1093         }
1094 }
1095
1096 static struct hda_codec_ops cs_patch_ops = {
1097         .build_controls = cs_build_controls,
1098         .build_pcms = cs_build_pcms,
1099         .init = cs_init,
1100         .free = cs_free,
1101         .unsol_event = cs_unsol_event,
1102 };
1103
1104 static int cs_parse_auto_config(struct hda_codec *codec)
1105 {
1106         struct cs_spec *spec = codec->spec;
1107         int err;
1108
1109         err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL);
1110         if (err < 0)
1111                 return err;
1112
1113         err = parse_output(codec);
1114         if (err < 0)
1115                 return err;
1116         err = parse_input(codec);
1117         if (err < 0)
1118                 return err;
1119         err = parse_digital_output(codec);
1120         if (err < 0)
1121                 return err;
1122         err = parse_digital_input(codec);
1123         if (err < 0)
1124                 return err;
1125         return 0;
1126 }
1127
1128 static const char *cs420x_models[CS420X_MODELS] = {
1129         [CS420X_MBP55] = "mbp55",
1130         [CS420X_IMAC27] = "imac27",
1131         [CS420X_AUTO] = "auto",
1132 };
1133
1134
1135 static struct snd_pci_quirk cs420x_cfg_tbl[] = {
1136         SND_PCI_QUIRK(0x10de, 0xcb79, "MacBookPro 5,5", CS420X_MBP55),
1137         SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27),
1138         {} /* terminator */
1139 };
1140
1141 struct cs_pincfg {
1142         hda_nid_t nid;
1143         u32 val;
1144 };
1145
1146 static struct cs_pincfg mbp55_pincfgs[] = {
1147         { 0x09, 0x012b4030 },
1148         { 0x0a, 0x90100121 },
1149         { 0x0b, 0x90100120 },
1150         { 0x0c, 0x400000f0 },
1151         { 0x0d, 0x90a00110 },
1152         { 0x0e, 0x400000f0 },
1153         { 0x0f, 0x400000f0 },
1154         { 0x10, 0x014be040 },
1155         { 0x12, 0x400000f0 },
1156         { 0x15, 0x400000f0 },
1157         {} /* terminator */
1158 };
1159
1160 static struct cs_pincfg imac27_pincfgs[] = {
1161         { 0x09, 0x012b4050 },
1162         { 0x0a, 0x90100140 },
1163         { 0x0b, 0x90100142 },
1164         { 0x0c, 0x018b3020 },
1165         { 0x0d, 0x90a00110 },
1166         { 0x0e, 0x400000f0 },
1167         { 0x0f, 0x01cbe030 },
1168         { 0x10, 0x014be060 },
1169         { 0x12, 0x01ab9070 },
1170         { 0x15, 0x400000f0 },
1171         {} /* terminator */
1172 };
1173
1174 static struct cs_pincfg *cs_pincfgs[CS420X_MODELS] = {
1175         [CS420X_MBP55] = mbp55_pincfgs,
1176         [CS420X_IMAC27] = imac27_pincfgs,
1177 };
1178
1179 static void fix_pincfg(struct hda_codec *codec, int model)
1180 {
1181         const struct cs_pincfg *cfg = cs_pincfgs[model];
1182         if (!cfg)
1183                 return;
1184         for (; cfg->nid; cfg++)
1185                 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
1186 }
1187
1188
1189 static int patch_cs420x(struct hda_codec *codec)
1190 {
1191         struct cs_spec *spec;
1192         int err;
1193
1194         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1195         if (!spec)
1196                 return -ENOMEM;
1197         codec->spec = spec;
1198
1199         spec->board_config =
1200                 snd_hda_check_board_config(codec, CS420X_MODELS,
1201                                            cs420x_models, cs420x_cfg_tbl);
1202         if (spec->board_config >= 0)
1203                 fix_pincfg(codec, spec->board_config);
1204
1205         switch (spec->board_config) {
1206         case CS420X_IMAC27:
1207         case CS420X_MBP55:
1208                 /* GPIO1 = headphones */
1209                 /* GPIO3 = speakers */
1210                 spec->gpio_mask = 0x0a;
1211                 spec->gpio_dir = 0x0a;
1212                 break;
1213         }
1214
1215         err = cs_parse_auto_config(codec);
1216         if (err < 0)
1217                 goto error;
1218
1219         codec->patch_ops = cs_patch_ops;
1220
1221         return 0;
1222
1223  error:
1224         kfree(codec->spec);
1225         codec->spec = NULL;
1226         return err;
1227 }
1228
1229
1230 /*
1231  * patch entries
1232  */
1233 static struct hda_codec_preset snd_hda_preset_cirrus[] = {
1234         { .id = 0x10134206, .name = "CS4206", .patch = patch_cs420x },
1235         { .id = 0x10134207, .name = "CS4207", .patch = patch_cs420x },
1236         {} /* terminator */
1237 };
1238
1239 MODULE_ALIAS("snd-hda-codec-id:10134206");
1240 MODULE_ALIAS("snd-hda-codec-id:10134207");
1241
1242 MODULE_LICENSE("GPL");
1243 MODULE_DESCRIPTION("Cirrus Logic HD-audio codec");
1244
1245 static struct hda_codec_preset_list cirrus_list = {
1246         .preset = snd_hda_preset_cirrus,
1247         .owner = THIS_MODULE,
1248 };
1249
1250 static int __init patch_cirrus_init(void)
1251 {
1252         return snd_hda_add_codec_preset(&cirrus_list);
1253 }
1254
1255 static void __exit patch_cirrus_exit(void)
1256 {
1257         snd_hda_delete_codec_preset(&cirrus_list);
1258 }
1259
1260 module_init(patch_cirrus_init)
1261 module_exit(patch_cirrus_exit)