2 * BIOS auto-parser helper functions for HD-audio
4 * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
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.
12 #include <linux/slab.h>
13 #include <linux/export.h>
14 #include <sound/core.h>
15 #include "hda_codec.h"
16 #include "hda_local.h"
17 #include "hda_auto_parser.h"
19 #define SFX "hda_codec: "
22 * Helper for automatic pin configuration
25 static int is_in_nid_list(hda_nid_t nid
, const hda_nid_t
*list
)
35 * Sort an associated group of pins according to their sequence numbers.
37 static void sort_pins_by_sequence(hda_nid_t
*pins
, short *sequences
,
44 for (i
= 0; i
< num_pins
; i
++) {
45 for (j
= i
+ 1; j
< num_pins
; j
++) {
46 if (sequences
[i
] > sequences
[j
]) {
48 sequences
[i
] = sequences
[j
];
59 /* add the found input-pin to the cfg->inputs[] table */
60 static void add_auto_cfg_input_pin(struct auto_pin_cfg
*cfg
, hda_nid_t nid
,
63 if (cfg
->num_inputs
< AUTO_CFG_MAX_INS
) {
64 cfg
->inputs
[cfg
->num_inputs
].pin
= nid
;
65 cfg
->inputs
[cfg
->num_inputs
].type
= type
;
70 /* sort inputs in the order of AUTO_PIN_* type */
71 static void sort_autocfg_input_pins(struct auto_pin_cfg
*cfg
)
75 for (i
= 0; i
< cfg
->num_inputs
; i
++) {
76 for (j
= i
+ 1; j
< cfg
->num_inputs
; j
++) {
77 if (cfg
->inputs
[i
].type
> cfg
->inputs
[j
].type
) {
78 struct auto_pin_cfg_item tmp
;
80 cfg
->inputs
[i
] = cfg
->inputs
[j
];
87 /* Reorder the surround channels
88 * ALSA sequence is front/surr/clfe/side
90 * 4-ch: front/surr => OK as it is
91 * 6-ch: front/clfe/surr
92 * 8-ch: front/clfe/rear/side|fc
94 static void reorder_outputs(unsigned int nums
, hda_nid_t
*pins
)
109 * Parse all pin widgets and store the useful pin nids to cfg
111 * The number of line-outs or any primary output is stored in line_outs,
112 * and the corresponding output pins are assigned to line_out_pins[],
113 * in the order of front, rear, CLFE, side, ...
115 * If more extra outputs (speaker and headphone) are found, the pins are
116 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
117 * is detected, one of speaker of HP pins is assigned as the primary
118 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
119 * if any analog output exists.
121 * The analog input pins are assigned to inputs array.
122 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
125 int snd_hda_parse_pin_defcfg(struct hda_codec
*codec
,
126 struct auto_pin_cfg
*cfg
,
127 const hda_nid_t
*ignore_nids
,
128 unsigned int cond_flags
)
130 hda_nid_t nid
, end_nid
;
131 short seq
, assoc_line_out
;
132 short sequences_line_out
[ARRAY_SIZE(cfg
->line_out_pins
)];
133 short sequences_speaker
[ARRAY_SIZE(cfg
->speaker_pins
)];
134 short sequences_hp
[ARRAY_SIZE(cfg
->hp_pins
)];
137 memset(cfg
, 0, sizeof(*cfg
));
139 memset(sequences_line_out
, 0, sizeof(sequences_line_out
));
140 memset(sequences_speaker
, 0, sizeof(sequences_speaker
));
141 memset(sequences_hp
, 0, sizeof(sequences_hp
));
144 end_nid
= codec
->start_nid
+ codec
->num_nodes
;
145 for (nid
= codec
->start_nid
; nid
< end_nid
; nid
++) {
146 unsigned int wid_caps
= get_wcaps(codec
, nid
);
147 unsigned int wid_type
= get_wcaps_type(wid_caps
);
148 unsigned int def_conf
;
149 short assoc
, loc
, conn
, dev
;
151 /* read all default configuration for pin complex */
152 if (wid_type
!= AC_WID_PIN
)
154 /* ignore the given nids (e.g. pc-beep returns error) */
155 if (ignore_nids
&& is_in_nid_list(nid
, ignore_nids
))
158 def_conf
= snd_hda_codec_get_pincfg(codec
, nid
);
159 conn
= get_defcfg_connect(def_conf
);
160 if (conn
== AC_JACK_PORT_NONE
)
162 loc
= get_defcfg_location(def_conf
);
163 dev
= get_defcfg_device(def_conf
);
165 /* workaround for buggy BIOS setups */
166 if (dev
== AC_JACK_LINE_OUT
) {
167 if (conn
== AC_JACK_PORT_FIXED
)
168 dev
= AC_JACK_SPEAKER
;
172 case AC_JACK_LINE_OUT
:
173 seq
= get_defcfg_sequence(def_conf
);
174 assoc
= get_defcfg_association(def_conf
);
176 if (!(wid_caps
& AC_WCAP_STEREO
))
177 if (!cfg
->mono_out_pin
)
178 cfg
->mono_out_pin
= nid
;
182 assoc_line_out
= assoc
;
183 else if (assoc_line_out
!= assoc
)
185 if (cfg
->line_outs
>= ARRAY_SIZE(cfg
->line_out_pins
))
187 cfg
->line_out_pins
[cfg
->line_outs
] = nid
;
188 sequences_line_out
[cfg
->line_outs
] = seq
;
191 case AC_JACK_SPEAKER
:
192 seq
= get_defcfg_sequence(def_conf
);
193 assoc
= get_defcfg_association(def_conf
);
194 if (cfg
->speaker_outs
>= ARRAY_SIZE(cfg
->speaker_pins
))
196 cfg
->speaker_pins
[cfg
->speaker_outs
] = nid
;
197 sequences_speaker
[cfg
->speaker_outs
] = (assoc
<< 4) | seq
;
201 seq
= get_defcfg_sequence(def_conf
);
202 assoc
= get_defcfg_association(def_conf
);
203 if (cfg
->hp_outs
>= ARRAY_SIZE(cfg
->hp_pins
))
205 cfg
->hp_pins
[cfg
->hp_outs
] = nid
;
206 sequences_hp
[cfg
->hp_outs
] = (assoc
<< 4) | seq
;
210 add_auto_cfg_input_pin(cfg
, nid
, AUTO_PIN_MIC
);
212 case AC_JACK_LINE_IN
:
213 add_auto_cfg_input_pin(cfg
, nid
, AUTO_PIN_LINE_IN
);
216 add_auto_cfg_input_pin(cfg
, nid
, AUTO_PIN_CD
);
219 add_auto_cfg_input_pin(cfg
, nid
, AUTO_PIN_AUX
);
221 case AC_JACK_SPDIF_OUT
:
222 case AC_JACK_DIG_OTHER_OUT
:
223 if (cfg
->dig_outs
>= ARRAY_SIZE(cfg
->dig_out_pins
))
225 cfg
->dig_out_pins
[cfg
->dig_outs
] = nid
;
226 cfg
->dig_out_type
[cfg
->dig_outs
] =
227 (loc
== AC_JACK_LOC_HDMI
) ?
228 HDA_PCM_TYPE_HDMI
: HDA_PCM_TYPE_SPDIF
;
231 case AC_JACK_SPDIF_IN
:
232 case AC_JACK_DIG_OTHER_IN
:
233 cfg
->dig_in_pin
= nid
;
234 if (loc
== AC_JACK_LOC_HDMI
)
235 cfg
->dig_in_type
= HDA_PCM_TYPE_HDMI
;
237 cfg
->dig_in_type
= HDA_PCM_TYPE_SPDIF
;
243 * If no line-out is defined but multiple HPs are found,
244 * some of them might be the real line-outs.
246 if (!cfg
->line_outs
&& cfg
->hp_outs
> 1 &&
247 !(cond_flags
& HDA_PINCFG_NO_HP_FIXUP
)) {
249 while (i
< cfg
->hp_outs
) {
250 /* The real HPs should have the sequence 0x0f */
251 if ((sequences_hp
[i
] & 0x0f) == 0x0f) {
255 /* Move it to the line-out table */
256 cfg
->line_out_pins
[cfg
->line_outs
] = cfg
->hp_pins
[i
];
257 sequences_line_out
[cfg
->line_outs
] = sequences_hp
[i
];
260 memmove(cfg
->hp_pins
+ i
, cfg
->hp_pins
+ i
+ 1,
261 sizeof(cfg
->hp_pins
[0]) * (cfg
->hp_outs
- i
));
262 memmove(sequences_hp
+ i
, sequences_hp
+ i
+ 1,
263 sizeof(sequences_hp
[0]) * (cfg
->hp_outs
- i
));
265 memset(cfg
->hp_pins
+ cfg
->hp_outs
, 0,
266 sizeof(hda_nid_t
) * (AUTO_CFG_MAX_OUTS
- cfg
->hp_outs
));
268 cfg
->line_out_type
= AUTO_PIN_HP_OUT
;
272 /* sort by sequence */
273 sort_pins_by_sequence(cfg
->line_out_pins
, sequences_line_out
,
275 sort_pins_by_sequence(cfg
->speaker_pins
, sequences_speaker
,
277 sort_pins_by_sequence(cfg
->hp_pins
, sequences_hp
,
281 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
282 * as a primary output
284 if (!cfg
->line_outs
&&
285 !(cond_flags
& HDA_PINCFG_NO_LO_FIXUP
)) {
286 if (cfg
->speaker_outs
) {
287 cfg
->line_outs
= cfg
->speaker_outs
;
288 memcpy(cfg
->line_out_pins
, cfg
->speaker_pins
,
289 sizeof(cfg
->speaker_pins
));
290 cfg
->speaker_outs
= 0;
291 memset(cfg
->speaker_pins
, 0, sizeof(cfg
->speaker_pins
));
292 cfg
->line_out_type
= AUTO_PIN_SPEAKER_OUT
;
293 } else if (cfg
->hp_outs
) {
294 cfg
->line_outs
= cfg
->hp_outs
;
295 memcpy(cfg
->line_out_pins
, cfg
->hp_pins
,
296 sizeof(cfg
->hp_pins
));
298 memset(cfg
->hp_pins
, 0, sizeof(cfg
->hp_pins
));
299 cfg
->line_out_type
= AUTO_PIN_HP_OUT
;
303 reorder_outputs(cfg
->line_outs
, cfg
->line_out_pins
);
304 reorder_outputs(cfg
->hp_outs
, cfg
->hp_pins
);
305 reorder_outputs(cfg
->speaker_outs
, cfg
->speaker_pins
);
307 sort_autocfg_input_pins(cfg
);
310 * debug prints of the parsed results
312 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
313 cfg
->line_outs
, cfg
->line_out_pins
[0], cfg
->line_out_pins
[1],
314 cfg
->line_out_pins
[2], cfg
->line_out_pins
[3],
315 cfg
->line_out_pins
[4],
316 cfg
->line_out_type
== AUTO_PIN_HP_OUT
? "hp" :
317 (cfg
->line_out_type
== AUTO_PIN_SPEAKER_OUT
?
318 "speaker" : "line"));
319 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
320 cfg
->speaker_outs
, cfg
->speaker_pins
[0],
321 cfg
->speaker_pins
[1], cfg
->speaker_pins
[2],
322 cfg
->speaker_pins
[3], cfg
->speaker_pins
[4]);
323 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
324 cfg
->hp_outs
, cfg
->hp_pins
[0],
325 cfg
->hp_pins
[1], cfg
->hp_pins
[2],
326 cfg
->hp_pins
[3], cfg
->hp_pins
[4]);
327 snd_printd(" mono: mono_out=0x%x\n", cfg
->mono_out_pin
);
329 snd_printd(" dig-out=0x%x/0x%x\n",
330 cfg
->dig_out_pins
[0], cfg
->dig_out_pins
[1]);
331 snd_printd(" inputs:\n");
332 for (i
= 0; i
< cfg
->num_inputs
; i
++) {
333 snd_printd(" %s=0x%x\n",
334 hda_get_autocfg_input_label(codec
, cfg
, i
),
338 snd_printd(" dig-in=0x%x\n", cfg
->dig_in_pin
);
342 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg
);
344 int snd_hda_get_input_pin_attr(unsigned int def_conf
)
346 unsigned int loc
= get_defcfg_location(def_conf
);
347 unsigned int conn
= get_defcfg_connect(def_conf
);
348 if (conn
== AC_JACK_PORT_NONE
)
349 return INPUT_PIN_ATTR_UNUSED
;
350 /* Windows may claim the internal mic to be BOTH, too */
351 if (conn
== AC_JACK_PORT_FIXED
|| conn
== AC_JACK_PORT_BOTH
)
352 return INPUT_PIN_ATTR_INT
;
353 if ((loc
& 0x30) == AC_JACK_LOC_INTERNAL
)
354 return INPUT_PIN_ATTR_INT
;
355 if ((loc
& 0x30) == AC_JACK_LOC_SEPARATE
)
356 return INPUT_PIN_ATTR_DOCK
;
357 if (loc
== AC_JACK_LOC_REAR
)
358 return INPUT_PIN_ATTR_REAR
;
359 if (loc
== AC_JACK_LOC_FRONT
)
360 return INPUT_PIN_ATTR_FRONT
;
361 return INPUT_PIN_ATTR_NORMAL
;
363 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr
);
366 * hda_get_input_pin_label - Give a label for the given input pin
368 * When check_location is true, the function checks the pin location
369 * for mic and line-in pins, and set an appropriate prefix like "Front",
370 * "Rear", "Internal".
373 static const char *hda_get_input_pin_label(struct hda_codec
*codec
,
374 hda_nid_t pin
, bool check_location
)
376 unsigned int def_conf
;
377 static const char * const mic_names
[] = {
378 "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
382 def_conf
= snd_hda_codec_get_pincfg(codec
, pin
);
384 switch (get_defcfg_device(def_conf
)) {
388 attr
= snd_hda_get_input_pin_attr(def_conf
);
391 return mic_names
[attr
- 1];
392 case AC_JACK_LINE_IN
:
395 attr
= snd_hda_get_input_pin_attr(def_conf
);
398 if (attr
== INPUT_PIN_ATTR_DOCK
)
405 case AC_JACK_SPDIF_IN
:
407 case AC_JACK_DIG_OTHER_IN
:
414 /* Check whether the location prefix needs to be added to the label.
415 * If all mic-jacks are in the same location (e.g. rear panel), we don't
416 * have to put "Front" prefix to each label. In such a case, returns false.
418 static int check_mic_location_need(struct hda_codec
*codec
,
419 const struct auto_pin_cfg
*cfg
,
425 defc
= snd_hda_codec_get_pincfg(codec
, cfg
->inputs
[input
].pin
);
426 attr
= snd_hda_get_input_pin_attr(defc
);
427 /* for internal or docking mics, we need locations */
428 if (attr
<= INPUT_PIN_ATTR_NORMAL
)
432 for (i
= 0; i
< cfg
->num_inputs
; i
++) {
433 defc
= snd_hda_codec_get_pincfg(codec
, cfg
->inputs
[i
].pin
);
434 attr2
= snd_hda_get_input_pin_attr(defc
);
435 if (attr2
>= INPUT_PIN_ATTR_NORMAL
) {
436 if (attr
&& attr
!= attr2
)
437 return 1; /* different locations found */
445 * hda_get_autocfg_input_label - Get a label for the given input
447 * Get a label for the given input pin defined by the autocfg item.
448 * Unlike hda_get_input_pin_label(), this function checks all inputs
449 * defined in autocfg and avoids the redundant mic/line prefix as much as
452 const char *hda_get_autocfg_input_label(struct hda_codec
*codec
,
453 const struct auto_pin_cfg
*cfg
,
456 int type
= cfg
->inputs
[input
].type
;
457 int has_multiple_pins
= 0;
459 if ((input
> 0 && cfg
->inputs
[input
- 1].type
== type
) ||
460 (input
< cfg
->num_inputs
- 1 && cfg
->inputs
[input
+ 1].type
== type
))
461 has_multiple_pins
= 1;
462 if (has_multiple_pins
&& type
== AUTO_PIN_MIC
)
463 has_multiple_pins
&= check_mic_location_need(codec
, cfg
, input
);
464 return hda_get_input_pin_label(codec
, cfg
->inputs
[input
].pin
,
467 EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label
);
469 /* return the position of NID in the list, or -1 if not found */
470 static int find_idx_in_nid_list(hda_nid_t nid
, const hda_nid_t
*list
, int nums
)
473 for (i
= 0; i
< nums
; i
++)
479 /* get a unique suffix or an index number */
480 static const char *check_output_sfx(hda_nid_t nid
, const hda_nid_t
*pins
,
481 int num_pins
, int *indexp
)
483 static const char * const channel_sfx
[] = {
484 " Front", " Surround", " CLFE", " Side"
488 i
= find_idx_in_nid_list(nid
, pins
, num_pins
);
493 if (num_pins
> ARRAY_SIZE(channel_sfx
)) {
498 return channel_sfx
[i
];
501 static const char *check_output_pfx(struct hda_codec
*codec
, hda_nid_t nid
)
503 unsigned int def_conf
= snd_hda_codec_get_pincfg(codec
, nid
);
504 int attr
= snd_hda_get_input_pin_attr(def_conf
);
506 /* check the location */
508 case INPUT_PIN_ATTR_DOCK
:
510 case INPUT_PIN_ATTR_FRONT
:
516 static int get_hp_label_index(struct hda_codec
*codec
, hda_nid_t nid
,
517 const hda_nid_t
*pins
, int num_pins
)
521 const char *pfx
= check_output_pfx(codec
, nid
);
523 i
= find_idx_in_nid_list(nid
, pins
, num_pins
);
526 for (j
= 0; j
< i
; j
++)
527 if (pfx
== check_output_pfx(codec
, pins
[j
]))
533 static int fill_audio_out_name(struct hda_codec
*codec
, hda_nid_t nid
,
534 const struct auto_pin_cfg
*cfg
,
535 const char *name
, char *label
, int maxlen
,
538 unsigned int def_conf
= snd_hda_codec_get_pincfg(codec
, nid
);
539 int attr
= snd_hda_get_input_pin_attr(def_conf
);
540 const char *pfx
, *sfx
= "";
542 /* handle as a speaker if it's a fixed line-out */
543 if (!strcmp(name
, "Line Out") && attr
== INPUT_PIN_ATTR_INT
)
545 pfx
= check_output_pfx(codec
, nid
);
548 /* try to give a unique suffix if needed */
549 sfx
= check_output_sfx(nid
, cfg
->line_out_pins
, cfg
->line_outs
,
552 sfx
= check_output_sfx(nid
, cfg
->speaker_pins
, cfg
->speaker_outs
,
555 /* don't add channel suffix for Headphone controls */
556 int idx
= get_hp_label_index(codec
, nid
, cfg
->hp_pins
,
563 snprintf(label
, maxlen
, "%s%s%s", pfx
, name
, sfx
);
568 * snd_hda_get_pin_label - Get a label for the given I/O pin
570 * Get a label for the given pin. This function works for both input and
571 * output pins. When @cfg is given as non-NULL, the function tries to get
572 * an optimized label using hda_get_autocfg_input_label().
574 * This function tries to give a unique label string for the pin as much as
575 * possible. For example, when the multiple line-outs are present, it adds
576 * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
577 * If no unique name with a suffix is available and @indexp is non-NULL, the
578 * index number is stored in the pointer.
580 int snd_hda_get_pin_label(struct hda_codec
*codec
, hda_nid_t nid
,
581 const struct auto_pin_cfg
*cfg
,
582 char *label
, int maxlen
, int *indexp
)
584 unsigned int def_conf
= snd_hda_codec_get_pincfg(codec
, nid
);
585 const char *name
= NULL
;
590 if (get_defcfg_connect(def_conf
) == AC_JACK_PORT_NONE
)
593 switch (get_defcfg_device(def_conf
)) {
594 case AC_JACK_LINE_OUT
:
595 return fill_audio_out_name(codec
, nid
, cfg
, "Line Out",
596 label
, maxlen
, indexp
);
597 case AC_JACK_SPEAKER
:
598 return fill_audio_out_name(codec
, nid
, cfg
, "Speaker",
599 label
, maxlen
, indexp
);
601 return fill_audio_out_name(codec
, nid
, cfg
, "Headphone",
602 label
, maxlen
, indexp
);
603 case AC_JACK_SPDIF_OUT
:
604 case AC_JACK_DIG_OTHER_OUT
:
605 if (get_defcfg_location(def_conf
) == AC_JACK_LOC_HDMI
)
610 i
= find_idx_in_nid_list(nid
, cfg
->dig_out_pins
,
618 for (i
= 0; i
< cfg
->num_inputs
; i
++) {
619 if (cfg
->inputs
[i
].pin
!= nid
)
621 name
= hda_get_autocfg_input_label(codec
, cfg
, i
);
627 name
= hda_get_input_pin_label(codec
, nid
, true);
632 strlcpy(label
, name
, maxlen
);
635 EXPORT_SYMBOL_HDA(snd_hda_get_pin_label
);
637 int snd_hda_gen_add_verbs(struct hda_gen_spec
*spec
,
638 const struct hda_verb
*list
)
640 const struct hda_verb
**v
;
641 v
= snd_array_new(&spec
->verbs
);
647 EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs
);
649 void snd_hda_gen_apply_verbs(struct hda_codec
*codec
)
651 struct hda_gen_spec
*spec
= codec
->spec
;
653 for (i
= 0; i
< spec
->verbs
.used
; i
++) {
654 struct hda_verb
**v
= snd_array_elem(&spec
->verbs
, i
);
655 snd_hda_sequence_write(codec
, *v
);
658 EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs
);
660 void snd_hda_apply_pincfgs(struct hda_codec
*codec
,
661 const struct hda_pintbl
*cfg
)
663 for (; cfg
->nid
; cfg
++)
664 snd_hda_codec_set_pincfg(codec
, cfg
->nid
, cfg
->val
);
666 EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs
);
668 void snd_hda_apply_fixup(struct hda_codec
*codec
, int action
)
670 struct hda_gen_spec
*spec
= codec
->spec
;
671 int id
= spec
->fixup_id
;
672 #ifdef CONFIG_SND_DEBUG_VERBOSE
673 const char *modelname
= spec
->fixup_name
;
677 if (!spec
->fixup_list
)
681 const struct hda_fixup
*fix
= spec
->fixup_list
+ id
;
685 if (action
!= HDA_FIXUP_ACT_PRE_PROBE
|| !fix
->v
.pins
)
687 snd_printdd(KERN_INFO SFX
688 "%s: Apply pincfg for %s\n",
689 codec
->chip_name
, modelname
);
690 snd_hda_apply_pincfgs(codec
, fix
->v
.pins
);
692 case HDA_FIXUP_VERBS
:
693 if (action
!= HDA_FIXUP_ACT_PROBE
|| !fix
->v
.verbs
)
695 snd_printdd(KERN_INFO SFX
696 "%s: Apply fix-verbs for %s\n",
697 codec
->chip_name
, modelname
);
698 snd_hda_gen_add_verbs(codec
->spec
, fix
->v
.verbs
);
703 snd_printdd(KERN_INFO SFX
704 "%s: Apply fix-func for %s\n",
705 codec
->chip_name
, modelname
);
706 fix
->v
.func(codec
, fix
, action
);
709 snd_printk(KERN_ERR SFX
710 "%s: Invalid fixup type %d\n",
711 codec
->chip_name
, fix
->type
);
721 EXPORT_SYMBOL_HDA(snd_hda_apply_fixup
);
723 void snd_hda_pick_fixup(struct hda_codec
*codec
,
724 const struct hda_model_fixup
*models
,
725 const struct snd_pci_quirk
*quirk
,
726 const struct hda_fixup
*fixlist
)
728 struct hda_gen_spec
*spec
= codec
->spec
;
729 const struct snd_pci_quirk
*q
;
731 const char *name
= NULL
;
733 /* when model=nofixup is given, don't pick up any fixups */
734 if (codec
->modelname
&& !strcmp(codec
->modelname
, "nofixup")) {
735 spec
->fixup_list
= NULL
;
740 if (codec
->modelname
&& models
) {
741 while (models
->name
) {
742 if (!strcmp(codec
->modelname
, models
->name
)) {
750 if (id
< 0 && quirk
) {
751 q
= snd_pci_quirk_lookup(codec
->bus
->pci
, quirk
);
754 #ifdef CONFIG_SND_DEBUG_VERBOSE
759 if (id
< 0 && quirk
) {
760 for (q
= quirk
; q
->subvendor
; q
++) {
761 unsigned int vendorid
=
762 q
->subdevice
| (q
->subvendor
<< 16);
763 unsigned int mask
= 0xffff0000 | q
->subdevice_mask
;
764 if ((codec
->subsystem_id
& mask
) == (vendorid
& mask
)) {
766 #ifdef CONFIG_SND_DEBUG_VERBOSE
776 spec
->fixup_list
= fixlist
;
777 spec
->fixup_name
= name
;
780 EXPORT_SYMBOL_HDA(snd_hda_pick_fixup
);