diff options
Diffstat (limited to 'sound/usb/mixer.h')
| -rw-r--r-- | sound/usb/mixer.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index b4a2c8165e4..ae1a14dcfe8 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -24,7 +24,16 @@ struct usb_mixer_interface { u8 xonar_u1_status; }; -#define MAX_CHANNELS 10 /* max logical channels */ +#define MAX_CHANNELS 16 /* max logical channels */ + +enum { + USB_MIXER_BOOLEAN, + USB_MIXER_INV_BOOLEAN, + USB_MIXER_S8, + USB_MIXER_U8, + USB_MIXER_S16, + USB_MIXER_U16, +}; struct usb_mixer_elem_info { struct usb_mixer_interface *mixer; @@ -55,4 +64,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer); int snd_usb_mixer_activate(struct usb_mixer_interface *mixer); +int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer, + struct snd_kcontrol *kctl); + #endif /* __USBMIXER_H */ |