/**
* 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;
}