diff options
Diffstat (limited to 'sound/pci/hda/hda_beep.c')
| -rw-r--r-- | sound/pci/hda/hda_beep.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c index 8c6c50afc0b7..1e7de08e77cb 100644 --- a/sound/pci/hda/hda_beep.c +++ b/sound/pci/hda/hda_beep.c @@ -175,6 +175,11 @@ static int snd_hda_do_attach(struct hda_beep *beep) return 0; } +/** + * snd_hda_enable_beep_device - Turn on/off beep sound + * @codec: the HDA codec + * @enable: flag to turn on/off + */ int snd_hda_enable_beep_device(struct hda_codec *codec, int enable) { struct hda_beep *beep = codec->beep; @@ -191,6 +196,20 @@ int snd_hda_enable_beep_device(struct hda_codec *codec, int enable) } EXPORT_SYMBOL_GPL(snd_hda_enable_beep_device); +/** + * snd_hda_attach_beep_device - Attach a beep input device + * @codec: the HDA codec + * @nid: beep NID + * + * Attach a beep object to the given widget. If beep hint is turned off + * explicitly or beep_mode of the codec is turned off, this doesn't nothing. + * + * The attached beep device has to be registered via + * snd_hda_register_beep_device() and released via snd_hda_detach_beep_device() + * appropriately. + * + * Currently, only one beep device is allowed to each codec. + */ int snd_hda_attach_beep_device(struct hda_codec *codec, int nid) { struct hda_beep *beep; @@ -228,6 +247,10 @@ int snd_hda_attach_beep_device(struct hda_codec *codec, int nid) } EXPORT_SYMBOL_GPL(snd_hda_attach_beep_device); +/** + * snd_hda_detach_beep_device - Detach the beep device + * @codec: the HDA codec + */ void snd_hda_detach_beep_device(struct hda_codec *codec) { struct hda_beep *beep = codec->beep; @@ -240,6 +263,10 @@ void snd_hda_detach_beep_device(struct hda_codec *codec) } EXPORT_SYMBOL_GPL(snd_hda_detach_beep_device); +/** + * snd_hda_register_beep_device - Register the beep device + * @codec: the HDA codec + */ int snd_hda_register_beep_device(struct hda_codec *codec) { struct hda_beep *beep = codec->beep; @@ -269,6 +296,12 @@ static bool ctl_has_mute(struct snd_kcontrol *kcontrol) } /* get/put callbacks for beep mute mixer switches */ + +/** + * snd_hda_mixer_amp_switch_get_beep - Get callback for beep controls + * @kcontrol: ctl element + * @ucontrol: pointer to get/store the data + */ int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -283,6 +316,11 @@ int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol, } EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get_beep); +/** + * snd_hda_mixer_amp_switch_put_beep - Put callback for beep controls + * @kcontrol: ctl element + * @ucontrol: pointer to get/store the data + */ int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { |