ALSA: hda - Add snd_hda_get_input_pin_label() helper function
Added snd_hda_get_input_pin_label() helper function to return the string that can be used for control or capture-source ids. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -4654,12 +4654,35 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
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}
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EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);
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/* labels for input pins */
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/* labels for input pins - for obsoleted config stuff */
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const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
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"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
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};
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EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
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static const char *input_labels[AUTO_PIN_LAST][4] = {
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{ "Mic", "Mic 2", "Mic 3", "Mic 4" },
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{ "Front Mic", "Front Mic 2", "Front Mic 3", "Front Mic 4" },
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{ "Line", "Line 2", "Line 3", "Line 4" },
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{ "Front Line", "Front Line 2", "Front Line 3", "Front Line 4" },
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{ "CD", "CD 2", "CD 3", "CD 4" },
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{ "Aux", "Aux 2", "Aux 3", "Aux 4" },
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};
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const char *snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,
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int input)
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{
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int type = cfg->inputs[input].type;
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int idx;
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for (idx = 0; idx < 3 && --input >= 0; idx++) {
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if (type != cfg->inputs[input].type)
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break;
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}
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return input_labels[type][idx];
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}
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EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_label);
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#ifdef CONFIG_PM
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/*
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@ -391,6 +391,8 @@ struct auto_pin_cfg_item {
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};
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struct auto_pin_cfg;
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const char *snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,
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int input);
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struct auto_pin_cfg {
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int line_outs;
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