/* * BIOS auto-parser helper functions for HD-audio * * Copyright (c) 2012 Takashi Iwai * * This driver is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include #include #include #include #include "hda_codec.h" #include "hda_local.h" #include "hda_auto_parser.h" #define SFX "hda_codec: " /* * Helper for automatic pin configuration */ static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list) { for (; *list; list++) if (*list == nid) return 1; return 0; } /* a pair of input pin and its sequence */ struct auto_out_pin { hda_nid_t pin; short seq; }; static int compare_seq(const void *ap, const void *bp) { const struct auto_out_pin *a = ap; const struct auto_out_pin *b = bp; return (int)(a->seq - b->seq); } /* * Sort an associated group of pins according to their sequence numbers. * then store it to a pin array. */ static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list, int num_pins) { int i; sort(list, num_pins, sizeof(list[0]), compare_seq, NULL); for (i = 0; i < num_pins; i++) pins[i] = list[i].pin; } /* add the found input-pin to the cfg->inputs[] table */ static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid, int type) { if (cfg->num_inputs < AUTO_CFG_MAX_INS) { cfg->inputs[cfg->num_inputs].pin = nid; cfg->inputs[cfg->num_inputs].type = type; cfg->num_inputs++; } } static int compare_input_type(const void *ap, const void *bp) { const struct auto_pin_cfg_item *a = ap; const struct auto_pin_cfg_item *b = bp; return (int)(a->type - b->type); } /* Reorder the surround channels * ALSA sequence is front/surr/clfe/side * HDA sequence is: * 4-ch: front/surr => OK as it is * 6-ch: front/clfe/surr * 8-ch: front/clfe/rear/side|fc */ static void reorder_outputs(unsigned int nums, hda_nid_t *pins) { hda_nid_t nid; switch (nums) { case 3: case 4: nid = pins[1]; pins[1] = pins[2]; pins[2] = nid; break; } } /* check whether the given pin has a proper pin I/O capability bit */ static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin, unsigned int dev) { unsigned int pincap = snd_hda_query_pin_caps(codec, pin); /* some old hardware don't return the proper pincaps */ if (!pincap) return true; switch (dev) { case AC_JACK_LINE_OUT: case AC_JACK_SPEAKER: case AC_JACK_HP_OUT: case AC_JACK_SPDIF_OUT: case AC_JACK_DIG_OTHER_OUT: return !!(pincap & AC_PINCAP_OUT); default: return !!(pincap & AC_PINCAP_IN); } } /* * Parse all pin widgets and store the useful pin nids to cfg * * The number of line-outs or any primary output is stored in line_outs, * and the corresponding output pins are assigned to line_out_pins[], * in the order of front, rear, CLFE, side, ... * * If more extra outputs (speaker and headphone) are found, the pins are * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack * is detected, one of speaker of HP pins is assigned as the primary * output, i.e. to line_out_pins[0]. So, line_outs is always positive * if any analog output exists. * * The analog input pins are assigned to inputs array. * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, * respectively. */ int snd_hda_parse_pin_defcfg(struct hda_codec *codec, struct auto_pin_cfg *cfg, const hda_nid_t *ignore_nids, unsigned int cond_flags) { hda_nid_t nid, end_nid; short seq, assoc_line_out; struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)]; struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)]; struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)]; int i; if (!snd_hda_get_int_hint(codec, "parser_flags", &i)) cond_flags = i; memset(cfg, 0, sizeof(*cfg)); memset(line_out, 0, sizeof(line_out)); memset(speaker_out, 0, sizeof(speaker_out)); memset(hp_out, 0, sizeof(hp_out)); assoc_line_out = 0; end_nid = codec->start_nid + codec->num_nodes; for (nid = codec->start_nid; nid < end_nid; nid++) { unsigned int wid_caps = get_wcaps(codec, nid); unsigned int wid_type = get_wcaps_type(wid_caps); unsigned int def_conf; short assoc, loc, conn, dev; /* read all default configuration for pin complex */ if (wid_type != AC_WID_PIN) continue; /* ignore the given nids (e.g. pc-beep returns error) */ if (ignore_nids && is_in_nid_list(nid, ignore_nids)) continue; def_conf = snd_hda_codec_get_pincfg(codec, nid); conn = get_defcfg_connect(def_conf); if (conn == AC_JACK_PORT_NONE) continue; loc = get_defcfg_location(def_conf); dev = get_defcfg_device(def_conf); /* workaround for buggy BIOS setups */ if (dev == AC_JACK_LINE_OUT) { if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH) dev = AC_JACK_SPEAKER; } if (!check_pincap_validity(codec, nid, dev)) continue; switch (dev) { case AC_JACK_LINE_OUT: seq = get_defcfg_sequence(def_conf); assoc = get_defcfg_association(def_conf); if (!(wid_caps & AC_WCAP_STEREO)) if (!cfg->mono_out_pin) cfg->mono_out_pin = nid; if (!assoc) continue; if (!assoc_line_out) assoc_line_out = assoc; else if (assoc_line_out != assoc) continue; if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) continue; line_out[cfg->line_outs].pin = nid; line_out[cfg->line_outs].seq = seq; cfg->line_outs++; break; case AC_JACK_SPEAKER: seq = get_defcfg_sequence(def_conf); assoc = get_defcfg_association(def_conf); if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) continue; speaker_out[cfg->speaker_outs].pin = nid; speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq; cfg->speaker_outs++; break; case AC_JACK_HP_OUT: seq = get_defcfg_sequence(def_conf); assoc = get_defcfg_association(def_conf); if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) continue; hp_out[cfg->hp_outs].pin = nid; hp_out[cfg->hp_outs].seq = (assoc << 4) | seq; cfg->hp_outs++; break; case AC_JACK_MIC_IN: add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC); break; case AC_JACK_LINE_IN: add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN); break; case AC_JACK_CD: add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD); break; case AC_JACK_AUX: add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX); break; case AC_JACK_SPDIF_OUT: case AC_JACK_DIG_OTHER_OUT: if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) continue; cfg->dig_out_pins[cfg->dig_outs] = nid; cfg->dig_out_type[cfg->dig_outs] = (loc == AC_JACK_LOC_HDMI) ? HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF; cfg->dig_outs++; break; case AC_JACK_SPDIF_IN: case AC_JACK_DIG_OTHER_IN: cfg->dig_in_pin = nid; if (loc == AC_JACK_LOC_HDMI) cfg->dig_in_type = HDA_PCM_TYPE_HDMI; else cfg->dig_in_type = HDA_PCM_TYPE_SPDIF; break; } } /* FIX-UP: * If no line-out is defined but multiple HPs are found, * some of them might be the real line-outs. */ if (!cfg->line_outs && cfg->hp_outs > 1 && !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) { int i = 0; while (i < cfg->hp_outs) { /* The real HPs should have the sequence 0x0f */ if ((hp_out[i].seq & 0x0f) == 0x0f) { i++; continue; } /* Move it to the line-out table */ line_out[cfg->line_outs++] = hp_out[i]; cfg->hp_outs--; memmove(hp_out + i, hp_out + i + 1, sizeof(hp_out[0]) * (cfg->hp_outs - i)); } memset(hp_out + cfg->hp_outs, 0, sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs)); if (!cfg->hp_outs) cfg->line_out_type = AUTO_PIN_HP_OUT; } /* sort by sequence */ sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs); sort_pins_by_sequence(cfg->speaker_pins, speaker_out, cfg->speaker_outs); sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs); /* * FIX-UP: if no line-outs are detected, try to use speaker or HP pin * as a primary output */ if (!cfg->line_outs && !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) { if (cfg->speaker_outs) { cfg->line_outs = cfg->speaker_outs; memcpy(cfg->line_out_pins, cfg->speaker_pins, sizeof(cfg->speaker_pins)); cfg->speaker_outs = 0; memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; } else if (cfg->hp_outs) { cfg->line_outs = cfg->hp_outs; memcpy(cfg->line_out_pins, cfg->hp_pins, sizeof(cfg->hp_pins)); cfg->hp_outs = 0; memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); cfg->line_out_type = AUTO_PIN_HP_OUT; } } reorder_outputs(cfg->line_outs, cfg->line_out_pins); reorder_outputs(cfg->hp_outs, cfg->hp_pins); reorder_outputs(cfg->speaker_outs, cfg->speaker_pins); /* sort inputs in the order of AUTO_PIN_* type */ sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]), compare_input_type, NULL); /* * debug prints of the parsed results */ snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n", cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1], cfg->line_out_pins[2], cfg->line_out_pins[3], cfg->line_out_pins[4], cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" : (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ? "speaker" : "line")); snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", cfg->speaker_outs, cfg->speaker_pins[0], cfg->speaker_pins[1], cfg->speaker_pins[2], cfg->speaker_pins[3], cfg->speaker_pins[4]); snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", cfg->hp_outs, cfg->hp_pins[0], cfg->hp_pins[1], cfg->hp_pins[2], cfg->hp_pins[3], cfg->hp_pins[4]); snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin); if (cfg->dig_outs) snd_printd(" dig-out=0x%x/0x%x\n", cfg->dig_out_pins[0], cfg->dig_out_pins[1]); snd_printd(" inputs:\n"); for (i = 0; i < cfg->num_inputs; i++) { snd_printd(" %s=0x%x\n", hda_get_autocfg_input_label(codec, cfg, i), cfg->inputs[i].pin); } if (cfg->dig_in_pin) snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin); return 0; } EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg); int snd_hda_get_input_pin_attr(unsigned int def_conf) { unsigned int loc = get_defcfg_location(def_conf); unsigned int conn = get_defcfg_connect(def_conf); if (conn == AC_JACK_PORT_NONE) return INPUT_PIN_ATTR_UNUSED; /* Windows may claim the internal mic to be BOTH, too */ if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH) return INPUT_PIN_ATTR_INT; if ((loc & 0x30) == AC_JACK_LOC_INTERNAL) return INPUT_PIN_ATTR_INT; if ((loc & 0x30) == AC_JACK_LOC_SEPARATE) return INPUT_PIN_ATTR_DOCK; if (loc == AC_JACK_LOC_REAR) return INPUT_PIN_ATTR_REAR; if (loc == AC_JACK_LOC_FRONT) return INPUT_PIN_ATTR_FRONT; return INPUT_PIN_ATTR_NORMAL; } EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr); /** * hda_get_input_pin_label - Give a label for the given input pin * * When check_location is true, the function checks the pin location * for mic and line-in pins, and set an appropriate prefix like "Front", * "Rear", "Internal". */ static const char *hda_get_input_pin_label(struct hda_codec *codec, hda_nid_t pin, bool check_location) { unsigned int def_conf; static const char * const mic_names[] = { "Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic" }; int attr; def_conf = snd_hda_codec_get_pincfg(codec, pin); switch (get_defcfg_device(def_conf)) { case AC_JACK_MIC_IN: if (!check_location) return "Mic"; attr = snd_hda_get_input_pin_attr(def_conf); if (!attr) return "None"; return mic_names[attr - 1]; case AC_JACK_LINE_IN: if (!check_location) return "Line"; attr = snd_hda_get_input_pin_attr(def_conf); if (!attr) return "None"; if (attr == INPUT_PIN_ATTR_DOCK) return "Dock Line"; return "Line"; case AC_JACK_AUX: return "Aux"; case AC_JACK_CD: return "CD"; case AC_JACK_SPDIF_IN: return "SPDIF In"; case AC_JACK_DIG_OTHER_IN: return "Digital In"; case AC_JACK_HP_OUT: return "Headphone Mic"; default: return "Misc"; } } /* Check whether the location prefix needs to be added to the label. * If all mic-jacks are in the same location (e.g. rear panel), we don't * have to put "Front" prefix to each label. In such a case, returns false. */ static int check_mic_location_need(struct hda_codec *codec, const struct auto_pin_cfg *cfg, int input) { unsigned int defc; int i, attr, attr2; defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin); attr = snd_hda_get_input_pin_attr(defc); /* for internal or docking mics, we need locations */ if (attr <= INPUT_PIN_ATTR_NORMAL) return 1; attr = 0; for (i = 0; i < cfg->num_inputs; i++) { defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin); attr2 = snd_hda_get_input_pin_attr(defc); if (attr2 >= INPUT_PIN_ATTR_NORMAL) { if (attr && attr != attr2) return 1; /* different locations found */ attr = attr2; } } return 0; } /** * hda_get_autocfg_input_label - Get a label for the given input * * Get a label for the given input pin defined by the autocfg item. * Unlike hda_get_input_pin_label(), this function checks all inputs * defined in autocfg and avoids the redundant mic/line prefix as much as * possible. */ const char *hda_get_autocfg_input_label(struct hda_codec *codec, const struct auto_pin_cfg *cfg, int input) { int type = cfg->inputs[input].type; int has_multiple_pins = 0; if ((input > 0 && cfg->inputs[input - 1].type == type) || (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type)) has_multiple_pins = 1; if (has_multiple_pins && type == AUTO_PIN_MIC) has_multiple_pins &= check_mic_location_need(codec, cfg, input); return hda_get_input_pin_label(codec, cfg->inputs[input].pin, has_multiple_pins); } EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label); /* return the position of NID in the list, or -1 if not found */ static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums) { int i; for (i = 0; i < nums; i++) if (list[i] == nid) return i; return -1; } /* get a unique suffix or an index number */ static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins, int num_pins, int *indexp) { static const char * const channel_sfx[] = { " Front", " Surround", " CLFE", " Side" }; int i; i = find_idx_in_nid_list(nid, pins, num_pins); if (i < 0) return NULL; if (num_pins == 1) return ""; if (num_pins > ARRAY_SIZE(channel_sfx)) { if (indexp) *indexp = i; return ""; } return channel_sfx[i]; } static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid) { unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); int attr = snd_hda_get_input_pin_attr(def_conf); /* check the location */ switch (attr) { case INPUT_PIN_ATTR_DOCK: return "Dock "; case INPUT_PIN_ATTR_FRONT: return "Front "; } return ""; } static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid, const hda_nid_t *pins, int num_pins) { int i, j, idx = 0; const char *pfx = check_output_pfx(codec, nid); i = find_idx_in_nid_list(nid, pins, num_pins); if (i < 0) return -1; for (j = 0; j < i; j++) if (pfx == check_output_pfx(codec, pins[j])) idx++; return idx; } static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid, const struct auto_pin_cfg *cfg, const char *name, char *label, int maxlen, int *indexp) { unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); int attr = snd_hda_get_input_pin_attr(def_conf); const char *pfx, *sfx = ""; /* handle as a speaker if it's a fixed line-out */ if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT) name = "Speaker"; pfx = check_output_pfx(codec, nid); if (cfg) { /* try to give a unique suffix if needed */ sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs, indexp); if (!sfx) sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs, indexp); if (!sfx) { /* don't add channel suffix for Headphone controls */ int idx = get_hp_label_index(codec, nid, cfg->hp_pins, cfg->hp_outs); if (idx >= 0) *indexp = idx; sfx = ""; } } snprintf(label, maxlen, "%s%s%s", pfx, name, sfx); return 1; } #define is_hdmi_cfg(conf) \ (get_defcfg_location(conf) == AC_JACK_LOC_HDMI) /** * snd_hda_get_pin_label - Get a label for the given I/O pin * * Get a label for the given pin. This function works for both input and * output pins. When @cfg is given as non-NULL, the function tries to get * an optimized label using hda_get_autocfg_input_label(). * * This function tries to give a unique label string for the pin as much as * possible. For example, when the multiple line-outs are present, it adds * the channel suffix like "Front", "Surround", etc (only when @cfg is given). * If no unique name with a suffix is available and @indexp is non-NULL, the * index number is stored in the pointer. */ int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid, const struct auto_pin_cfg *cfg, char *label, int maxlen, int *indexp) { unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); const char *name = NULL; int i; bool hdmi; if (indexp) *indexp = 0; if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) return 0; switch (get_defcfg_device(def_conf)) { case AC_JACK_LINE_OUT: return fill_audio_out_name(codec, nid, cfg, "Line Out", label, maxlen, indexp); case AC_JACK_SPEAKER: return fill_audio_out_name(codec, nid, cfg, "Speaker", label, maxlen, indexp); case AC_JACK_HP_OUT: return fill_audio_out_name(codec, nid, cfg, "Headphone", label, maxlen, indexp); case AC_JACK_SPDIF_OUT: case AC_JACK_DIG_OTHER_OUT: hdmi = is_hdmi_cfg(def_conf); name = hdmi ? "HDMI" : "SPDIF"; if (cfg && indexp) for (i = 0; i < cfg->dig_outs; i++) { hda_nid_t pin = cfg->dig_out_pins[i]; unsigned int c; if (pin == nid) break; c = snd_hda_codec_get_pincfg(codec, pin); if (hdmi == is_hdmi_cfg(c)) (*indexp)++; } break; default: if (cfg) { for (i = 0; i < cfg->num_inputs; i++) { if (cfg->inputs[i].pin != nid) continue; name = hda_get_autocfg_input_label(codec, cfg, i); if (name) break; } } if (!name) name = hda_get_input_pin_label(codec, nid, true); break; } if (!name) return 0; strlcpy(label, name, maxlen); return 1; } EXPORT_SYMBOL_HDA(snd_hda_get_pin_label); int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list) { const struct hda_verb **v; v = snd_array_new(&codec->verbs); if (!v) return -ENOMEM; *v = list; return 0; } EXPORT_SYMBOL_HDA(snd_hda_add_verbs); void snd_hda_apply_verbs(struct hda_codec *codec) { int i; for (i = 0; i < codec->verbs.used; i++) { struct hda_verb **v = snd_array_elem(&codec->verbs, i); snd_hda_sequence_write(codec, *v); } } EXPORT_SYMBOL_HDA(snd_hda_apply_verbs); void snd_hda_apply_pincfgs(struct hda_codec *codec, const struct hda_pintbl *cfg) { for (; cfg->nid; cfg++) snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val); } EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs); static void set_pin_targets(struct hda_codec *codec, const struct hda_pintbl *cfg) { for (; cfg->nid; cfg++) snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val); } void snd_hda_apply_fixup(struct hda_codec *codec, int action) { int id = codec->fixup_id; #ifdef CONFIG_SND_DEBUG_VERBOSE const char *modelname = codec->fixup_name; #endif int depth = 0; if (!codec->fixup_list) return; while (id >= 0) { const struct hda_fixup *fix = codec->fixup_list + id; switch (fix->type) { case HDA_FIXUP_PINS: if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins) break; snd_printdd(KERN_INFO SFX "%s: Apply pincfg for %s\n", codec->chip_name, modelname); snd_hda_apply_pincfgs(codec, fix->v.pins); break; case HDA_FIXUP_VERBS: if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs) break; snd_printdd(KERN_INFO SFX "%s: Apply fix-verbs for %s\n", codec->chip_name, modelname); snd_hda_add_verbs(codec, fix->v.verbs); break; case HDA_FIXUP_FUNC: if (!fix->v.func) break; snd_printdd(KERN_INFO SFX "%s: Apply fix-func for %s\n", codec->chip_name, modelname); fix->v.func(codec, fix, action); break; case HDA_FIXUP_PINCTLS: if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins) break; snd_printdd(KERN_INFO SFX "%s: Apply pinctl for %s\n", codec->chip_name, modelname); set_pin_targets(codec, fix->v.pins); break; default: snd_printk(KERN_ERR SFX "%s: Invalid fixup type %d\n", codec->chip_name, fix->type); break; } if (!fix->chained) break; if (++depth > 10) break; id = fix->chain_id; } } EXPORT_SYMBOL_HDA(snd_hda_apply_fixup); void snd_hda_pick_fixup(struct hda_codec *codec, const struct hda_model_fixup *models, const struct snd_pci_quirk *quirk, const struct hda_fixup *fixlist) { const struct snd_pci_quirk *q; int id = -1; const char *name = NULL; /* when model=nofixup is given, don't pick up any fixups */ if (codec->modelname && !strcmp(codec->modelname, "nofixup")) { codec->fixup_list = NULL; codec->fixup_id = -1; return; } if (codec->modelname && models) { while (models->name) { if (!strcmp(codec->modelname, models->name)) { id = models->id; name = models->name; break; } models++; } } if (id < 0 && quirk) { q = snd_pci_quirk_lookup(codec->bus->pci, quirk); if (q) { id = q->value; #ifdef CONFIG_SND_DEBUG_VERBOSE name = q->name; #endif } } if (id < 0 && quirk) { for (q = quirk; q->subvendor; q++) { unsigned int vendorid = q->subdevice | (q->subvendor << 16); unsigned int mask = 0xffff0000 | q->subdevice_mask; if ((codec->subsystem_id & mask) == (vendorid & mask)) { id = q->value; #ifdef CONFIG_SND_DEBUG_VERBOSE name = q->name; #endif break; } } } codec->fixup_id = id; if (id >= 0) { codec->fixup_list = fixlist; codec->fixup_name = name; } } EXPORT_SYMBOL_HDA(snd_hda_pick_fixup);