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ALSA: hda - Allow user to give hints for codec parser behavior
Through the hints via sysfs or patch, user can set specific behavior flags for the generic parser now. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -126,6 +126,9 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
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struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
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int i;
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if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
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cond_flags = i;
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memset(cfg, 0, sizeof(*cfg));
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memset(line_out, 0, sizeof(line_out));
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@ -83,6 +83,74 @@ void snd_hda_gen_spec_free(struct hda_gen_spec *spec)
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}
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EXPORT_SYMBOL_HDA(snd_hda_gen_spec_free);
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/*
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* store user hints
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*/
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static void parse_user_hints(struct hda_codec *codec)
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{
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struct hda_gen_spec *spec = codec->spec;
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int val;
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val = snd_hda_get_bool_hint(codec, "jack_detect");
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if (val >= 0)
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codec->no_jack_detect = !val;
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val = snd_hda_get_bool_hint(codec, "inv_jack_detect");
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if (val >= 0)
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codec->inv_jack_detect = !!val;
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val = snd_hda_get_bool_hint(codec, "trigger_sense");
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if (val >= 0)
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codec->no_trigger_sense = !val;
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val = snd_hda_get_bool_hint(codec, "inv_eapd");
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if (val >= 0)
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codec->inv_eapd = !!val;
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val = snd_hda_get_bool_hint(codec, "pcm_format_first");
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if (val >= 0)
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codec->pcm_format_first = !!val;
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val = snd_hda_get_bool_hint(codec, "sticky_stream");
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if (val >= 0)
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codec->no_sticky_stream = !val;
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val = snd_hda_get_bool_hint(codec, "spdif_status_reset");
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if (val >= 0)
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codec->spdif_status_reset = !!val;
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val = snd_hda_get_bool_hint(codec, "pin_amp_workaround");
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if (val >= 0)
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codec->pin_amp_workaround = !!val;
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val = snd_hda_get_bool_hint(codec, "single_adc_amp");
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if (val >= 0)
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codec->single_adc_amp = !!val;
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val = snd_hda_get_bool_hint(codec, "auto_mic");
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if (val >= 0)
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spec->suppress_auto_mic = !val;
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val = snd_hda_get_bool_hint(codec, "line_in_auto_switch");
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if (val >= 0)
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spec->line_in_auto_switch = !!val;
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val = snd_hda_get_bool_hint(codec, "need_dac_fix");
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if (val >= 0)
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spec->need_dac_fix = !!val;
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val = snd_hda_get_bool_hint(codec, "primary_hp");
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if (val >= 0)
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spec->no_primary_hp = !val;
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val = snd_hda_get_bool_hint(codec, "multi_cap_vol");
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if (val >= 0)
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spec->multi_cap_vol = !!val;
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val = snd_hda_get_bool_hint(codec, "inv_dmic_split");
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if (val >= 0)
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spec->inv_dmic_split = !!val;
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val = snd_hda_get_bool_hint(codec, "indep_hp");
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if (val >= 0)
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spec->indep_hp = !!val;
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val = snd_hda_get_bool_hint(codec, "add_stereo_mix_input");
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if (val >= 0)
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spec->add_stereo_mix_input = !!val;
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val = snd_hda_get_bool_hint(codec, "add_out_jack_modes");
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if (val >= 0)
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spec->add_out_jack_modes = !!val;
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if (!snd_hda_get_int_hint(codec, "mixer_nid", &val))
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spec->mixer_nid = val;
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}
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/*
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* pin control value accesses
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*/
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@ -3304,6 +3372,8 @@ int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
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struct hda_gen_spec *spec = codec->spec;
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int err;
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parse_user_hints(codec);
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if (cfg != &spec->autocfg) {
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spec->autocfg = *cfg;
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cfg = &spec->autocfg;
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