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>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 280a739..72334b7 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4654,12 +4654,35 @@
}
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
/*
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 44c9094..fb56174 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -391,6 +391,8 @@
};
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;