diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index affb4607c6da..ec38bdfad81e 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -4654,6 +4654,14 @@ static int get_line_pin_attr(unsigned int def_conf) return LINE_ATTR_NORMAL; } +/** + * hda_get_input_pin_label - Give a label for the given input pin + * + * When check_location is true, the function checks the pin location + * for mic and line-in pins, and set an appropriate prefix like "Front", + * "Rear", "Internal". + */ + const char *hda_get_input_pin_label(struct hda_codec *codec, hda_nid_t pin, int check_location) { @@ -4720,6 +4728,14 @@ static int check_mic_location_need(struct hda_codec *codec, return 0; } +/** + * hda_get_autocfg_input_label - Get a label for the given input + * + * Get a label for the given input pin defined by the autocfg item. + * Unlike hda_get_input_pin_label(), this function checks all inputs + * defined in autocfg and avoids the redundant mic/line prefix as much as + * possible. + */ const char *hda_get_autocfg_input_label(struct hda_codec *codec, const struct auto_pin_cfg *cfg, int input) @@ -4737,6 +4753,13 @@ const char *hda_get_autocfg_input_label(struct hda_codec *codec, } EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label); +/** + * snd_hda_add_imux_item - Add an item to input_mux + * + * When the same label is used already in the existing items, the number + * suffix is appended to the label. This label index number is stored + * to type_idx when non-NULL pointer is given. + */ int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label, int index, int *type_idx) { |