mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-26 21:54:11 +08:00
c7561cd804
Otherwise we may get compile warnings due to unused functions. Signed-off-by: Takashi Iwai <tiwai@suse.de>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/**
|
|
* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
|
|
*
|
|
* This source file is released under GPL v2 license (no other versions).
|
|
* See the COPYING file included in the main directory of this source
|
|
* distribution for the license terms and conditions.
|
|
*
|
|
* @File ctmixer.h
|
|
*
|
|
* @Brief
|
|
* This file contains the definition of the mixer device functions.
|
|
*
|
|
* @Author Liu Chun
|
|
* @Date Mar 28 2008
|
|
*
|
|
*/
|
|
|
|
#ifndef CTMIXER_H
|
|
#define CTMIXER_H
|
|
|
|
#include "ctatc.h"
|
|
#include "ctresource.h"
|
|
|
|
#define INIT_VOL 0x1c00
|
|
|
|
enum MIXER_PORT_T {
|
|
MIX_WAVE_FRONT,
|
|
MIX_WAVE_REAR,
|
|
MIX_WAVE_CENTLFE,
|
|
MIX_WAVE_SURROUND,
|
|
MIX_SPDIF_OUT,
|
|
MIX_PCMO_FRONT,
|
|
MIX_MIC_IN,
|
|
MIX_LINE_IN,
|
|
MIX_SPDIF_IN,
|
|
MIX_PCMI_FRONT,
|
|
MIX_PCMI_REAR,
|
|
MIX_PCMI_CENTLFE,
|
|
MIX_PCMI_SURROUND,
|
|
|
|
NUM_MIX_PORTS
|
|
};
|
|
|
|
/* alsa mixer descriptor */
|
|
struct ct_mixer {
|
|
struct ct_atc *atc;
|
|
|
|
void **amixers; /* amixer resources for volume control */
|
|
void **sums; /* sum resources for signal collection */
|
|
unsigned int switch_state; /* A bit-map to indicate state of switches */
|
|
|
|
int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
|
|
struct rsc **rleft, struct rsc **rright);
|
|
|
|
int (*set_input_left)(struct ct_mixer *mixer,
|
|
enum MIXER_PORT_T type, struct rsc *rsc);
|
|
int (*set_input_right)(struct ct_mixer *mixer,
|
|
enum MIXER_PORT_T type, struct rsc *rsc);
|
|
#ifdef CONFIG_PM_SLEEP
|
|
int (*resume)(struct ct_mixer *mixer);
|
|
#endif
|
|
};
|
|
|
|
int ct_alsa_mix_create(struct ct_atc *atc,
|
|
enum CTALSADEVS device,
|
|
const char *device_name);
|
|
int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
|
|
int ct_mixer_destroy(struct ct_mixer *mixer);
|
|
|
|
#endif /* CTMIXER_H */
|