diff options
Diffstat (limited to 'sound/pci/hda/hda_auto_parser.c')
| -rw-r--r-- | sound/pci/hda/hda_auto_parser.c | 66 |
1 files changed, 64 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c index fcc5e478c9a1..1ede82200ee5 100644 --- a/sound/pci/hda/hda_auto_parser.c +++ b/sound/pci/hda/hda_auto_parser.c @@ -441,6 +441,13 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec, } EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg); +/** + * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config + * @def_conf: pin configuration value + * + * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given + * default pin configuration value. + */ int snd_hda_get_input_pin_attr(unsigned int def_conf) { unsigned int loc = get_defcfg_location(def_conf); @@ -464,12 +471,15 @@ EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr); /** * hda_get_input_pin_label - Give a label for the given input pin + * @codec: the HDA codec + * @item: ping config item to refer + * @pin: the pin NID + * @check_location: flag to add the jack location prefix * - * When check_location is true, the function checks the pin location + * 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". */ - static const char *hda_get_input_pin_label(struct hda_codec *codec, const struct auto_pin_cfg_item *item, hda_nid_t pin, bool check_location) @@ -550,6 +560,9 @@ static int check_mic_location_need(struct hda_codec *codec, /** * hda_get_autocfg_input_label - Get a label for the given input + * @codec: the HDA codec + * @cfg: the parsed pin configuration + * @input: the input index number * * Get a label for the given input pin defined by the autocfg item. * Unlike hda_get_input_pin_label(), this function checks all inputs @@ -677,6 +690,12 @@ static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid, /** * snd_hda_get_pin_label - Get a label for the given I/O pin + * @codec: the HDA codec + * @nid: pin NID + * @cfg: the parsed pin configuration + * @label: the string buffer to store + * @maxlen: the max length of string buffer (including termination) + * @indexp: the pointer to return the index number (for multiple ctls) * * 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 @@ -748,6 +767,14 @@ int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid, } EXPORT_SYMBOL_GPL(snd_hda_get_pin_label); +/** + * snd_hda_add_verbs - Add verbs to the init list + * @codec: the HDA codec + * @list: zero-terminated verb list to add + * + * Append the given verb list to the execution list. The verbs will be + * performed at init and resume time via snd_hda_apply_verbs(). + */ int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list) { @@ -760,6 +787,10 @@ int snd_hda_add_verbs(struct hda_codec *codec, } EXPORT_SYMBOL_GPL(snd_hda_add_verbs); +/** + * snd_hda_apply_verbs - Execute the init verb lists + * @codec: the HDA codec + */ void snd_hda_apply_verbs(struct hda_codec *codec) { int i; @@ -770,6 +801,11 @@ void snd_hda_apply_verbs(struct hda_codec *codec) } EXPORT_SYMBOL_GPL(snd_hda_apply_verbs); +/** + * snd_hda_apply_pincfgs - Set each pin config in the given list + * @codec: the HDA codec + * @cfg: NULL-terminated pin config table + */ void snd_hda_apply_pincfgs(struct hda_codec *codec, const struct hda_pintbl *cfg) { @@ -837,6 +873,11 @@ static void apply_fixup(struct hda_codec *codec, int id, int action, int depth) } } +/** + * snd_hda_apply_fixup - Apply the fixup chain with the given action + * @codec: the HDA codec + * @action: fixup action (HDA_FIXUP_ACT_XXX) + */ void snd_hda_apply_fixup(struct hda_codec *codec, int action) { if (codec->fixup_list) @@ -855,6 +896,12 @@ static bool pin_config_match(struct hda_codec *codec, return true; } +/** + * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list + * @codec: the HDA codec + * @pin_quirk: zero-terminated pin quirk list + * @fixlist: the fixup list + */ void snd_hda_pick_pin_fixup(struct hda_codec *codec, const struct snd_hda_pin_quirk *pin_quirk, const struct hda_fixup *fixlist) @@ -881,6 +928,21 @@ void snd_hda_pick_pin_fixup(struct hda_codec *codec, } EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup); +/** + * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string + * @codec: the HDA codec + * @models: NULL-terminated model string list + * @quirk: zero-terminated PCI/codec SSID quirk list + * @fixlist: the fixup list + * + * Pick up a fixup entry matching with the given model string or SSID. + * If a fixup was already set beforehand, the function doesn't do anything. + * When a special model string "nofixup" is given, also no fixup is applied. + * + * The function tries to find the matching model name at first, if given. + * If nothing matched, try to look up the PCI SSID. + * If still nothing matched, try to look up the codec SSID. + */ void snd_hda_pick_fixup(struct hda_codec *codec, const struct hda_model_fixup *models, const struct snd_pci_quirk *quirk, |