#ifndef __USBMIXER_H
#define __USBMIXER_H
+#include <sound/info.h>
+
struct usb_mixer_interface {
struct snd_usb_audio *chip;
struct usb_host_interface *hostif;
unsigned int ignore_ctl_error;
struct urb *urb;
/* array[MAX_ID_ELEMS], indexed by unit id */
- struct usb_mixer_elem_info **id_elems;
+ struct usb_mixer_elem_list **id_elems;
/* the usb audio specification version this interface complies to */
int protocol;
struct urb *rc_urb;
struct usb_ctrlrequest *rc_setup_packet;
u8 rc_buffer[6];
-
- u8 audigy2nx_leds[3];
- u8 xonar_u1_status;
};
#define MAX_CHANNELS 16 /* max logical channels */
USB_MIXER_U16,
};
-struct usb_mixer_elem_info {
+typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer,
+ struct usb_mixer_elem_list *list);
+typedef int (*usb_mixer_elem_resume_func_t)(struct usb_mixer_elem_list *elem);
+
+struct usb_mixer_elem_list {
struct usb_mixer_interface *mixer;
- struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
- struct snd_ctl_elem_id *elem_id;
+ struct usb_mixer_elem_list *next_id_elem; /* list of controls with same id */
+ struct snd_kcontrol *kctl;
unsigned int id;
+ usb_mixer_elem_dump_func_t dump;
+ usb_mixer_elem_resume_func_t resume;
+};
+
+struct usb_mixer_elem_info {
+ struct usb_mixer_elem_list head;
unsigned int control; /* CS or ICN (high byte) */
unsigned int cmask; /* channel mask bitmap: 0 = master */
unsigned int idx_off; /* Control index offset */
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,
+int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list,
struct snd_kcontrol *kctl);
+void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list,
+ struct usb_mixer_interface *mixer,
+ int unitid);
+
int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *_tlv);