Commit d7b1ae9d authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 75e0eb24

sound/pci/hda/hda_codec.c

+24 −1
Original line number Diff line number Diff line
@@ -4654,12 +4654,35 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec, 
}

EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);



/* labels for input pins */

/* labels for input pins - for obsoleted config stuff */

const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {

	"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"

};

EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);



static const char *input_labels[AUTO_PIN_LAST][4] = {

	{ "Mic", "Mic 2", "Mic 3", "Mic 4" },

	{ "Front Mic", "Front Mic 2", "Front Mic 3", "Front Mic 4" },

	{ "Line", "Line 2", "Line 3", "Line 4" },

	{ "Front Line", "Front Line 2", "Front Line 3", "Front Line 4" },

	{ "CD", "CD 2", "CD 3", "CD 4" },

	{ "Aux", "Aux 2", "Aux 3", "Aux 4" },

};



const char *snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,

					int input)

{

	int type = cfg->inputs[input].type;

	int idx;



	for  (idx = 0; idx < 3 && --input >= 0; idx++) {

		if (type != cfg->inputs[input].type)

			break;

	}

	return input_labels[type][idx];

}

EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_label);





#ifdef CONFIG_PM

/*

sound/pci/hda/hda_local.h

+2 −0
Original line number Diff line number Diff line
@@ -391,6 +391,8 @@ struct auto_pin_cfg_item { 
};



struct auto_pin_cfg;

const char *snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,

					int input);



struct auto_pin_cfg {

	int line_outs;