mixer.h (3eb66e91a25497065c5322b1268cbc3953642227) mixer.h (66354f18fe5fbb65f7b10a519654013d6df09f80)
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __USBMIXER_H
3#define __USBMIXER_H
4
5#include <sound/info.h>
6
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __USBMIXER_H
3#define __USBMIXER_H
4
5#include <sound/info.h>
6
7struct media_mixer_ctl;
8
7struct usb_mixer_interface {
8 struct snd_usb_audio *chip;
9 struct usb_host_interface *hostif;
10 struct list_head list;
11 unsigned int ignore_ctl_error;
12 struct urb *urb;
13 /* array[MAX_ID_ELEMS], indexed by unit id */
14 struct usb_mixer_elem_list **id_elems;
15
16 /* the usb audio specification version this interface complies to */
17 int protocol;
18
19 /* Sound Blaster remote control stuff */
20 const struct rc_config *rc_cfg;
21 u32 rc_code;
22 wait_queue_head_t rc_waitq;
23 struct urb *rc_urb;
24 struct usb_ctrlrequest *rc_setup_packet;
25 u8 rc_buffer[6];
9struct usb_mixer_interface {
10 struct snd_usb_audio *chip;
11 struct usb_host_interface *hostif;
12 struct list_head list;
13 unsigned int ignore_ctl_error;
14 struct urb *urb;
15 /* array[MAX_ID_ELEMS], indexed by unit id */
16 struct usb_mixer_elem_list **id_elems;
17
18 /* the usb audio specification version this interface complies to */
19 int protocol;
20
21 /* Sound Blaster remote control stuff */
22 const struct rc_config *rc_cfg;
23 u32 rc_code;
24 wait_queue_head_t rc_waitq;
25 struct urb *rc_urb;
26 struct usb_ctrlrequest *rc_setup_packet;
27 u8 rc_buffer[6];
28 struct media_mixer_ctl *media_mixer_ctl;
26
27 bool disconnected;
28};
29
30#define MAX_CHANNELS 16 /* max logical channels */
31
32enum {
33 USB_MIXER_BOOLEAN,

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30 bool disconnected;
31};
32
33#define MAX_CHANNELS 16 /* max logical channels */
34
35enum {
36 USB_MIXER_BOOLEAN,

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