diff options
Diffstat (limited to 'sound/usb/mixer.h')
| -rw-r--r-- | sound/usb/mixer.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index 26c636c5c93..73b1f649447 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -3,6 +3,7 @@ struct usb_mixer_interface { struct snd_usb_audio *chip; + struct usb_host_interface *hostif; struct list_head list; unsigned int ignore_ctl_error; struct urb *urb; @@ -24,7 +25,16 @@ 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; @@ -33,6 +43,7 @@ struct usb_mixer_elem_info { unsigned int id; unsigned int control; /* CS or ICN (high byte) */ unsigned int cmask; /* channel mask bitmap: 0 = master */ + unsigned int idx_off; /* Control index offset */ unsigned int ch_readonly; unsigned int master_readonly; int channels; @@ -53,4 +64,15 @@ void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid); int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int value_set); +int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer, + struct snd_kcontrol *kctl); + +int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, + unsigned int size, unsigned int __user *_tlv); + +#ifdef CONFIG_PM +int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer); +int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume); +#endif + #endif /* __USBMIXER_H */ |