Пример #1
0
/**
 * 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;
}
Пример #2
0
/**
 * 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;
}