android_kernel_samsung_hero.../include/sound/audio_calibration.h
2016-08-17 16:41:52 +08:00

40 lines
1.4 KiB
C

/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _AUDIO_CALIBRATION_H
#define _AUDIO_CALIBRATION_H
#include <linux/msm_audio_calibration.h>
/* Used by driver in buffer_number field to notify client
* To update all blocks, for example: freeing all memory */
#define ALL_CAL_BLOCKS -1
struct audio_cal_callbacks {
int (*alloc) (int32_t cal_type, size_t data_size, void *data);
int (*dealloc) (int32_t cal_type, size_t data_size, void *data);
int (*pre_cal) (int32_t cal_type, size_t data_size, void *data);
int (*set_cal) (int32_t cal_type, size_t data_size, void *data);
int (*get_cal) (int32_t cal_type, size_t data_size, void *data);
int (*post_cal) (int32_t cal_type, size_t data_size, void *data);
};
struct audio_cal_reg {
int32_t cal_type;
struct audio_cal_callbacks callbacks;
};
int audio_cal_register(int num_cal_types, struct audio_cal_reg *reg_data);
int audio_cal_deregister(int num_cal_types, struct audio_cal_reg *reg_data);
#endif