diff options
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index c3ee4ed..3f82ab6 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -147,6 +147,27 @@ int __snd_hda_add_vmaster(struct hda_codec *codec, char *name, __snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true, NULL) int snd_hda_codec_reset(struct hda_codec *codec); +enum { + HDA_VMUTE_OFF, + HDA_VMUTE_ON, + HDA_VMUTE_FOLLOW_MASTER, +}; + +struct hda_vmaster_mute_hook { + /* below two fields must be filled by the caller of + * snd_hda_add_vmaster_hook() beforehand + */ + struct snd_kcontrol *sw_kctl; + void (*hook)(void *, int); + /* below are initialized automatically */ + unsigned int mute_mode; /* HDA_VMUTE_XXX */ + struct hda_codec *codec; +}; + +int snd_hda_add_vmaster_hook(struct hda_codec *codec, + struct hda_vmaster_mute_hook *hook); +void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook); + /* amp value bits */ #define HDA_AMP_MUTE 0x80 #define HDA_AMP_UNMUTE 0x00 |