/** * 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, NULL, nid, true); break; } if (!name) return 0; strlcpy(label, name, maxlen); return 1; }
/** * 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; 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: if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI) name = "HDMI"; else name = "SPDIF"; if (cfg && indexp) { i = find_idx_in_nid_list(nid, cfg->dig_out_pins, cfg->dig_outs); if (i >= 0) *indexp = i; } 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; }