diff options
Diffstat (limited to 'include/sound/audio_calibration.h')
| -rw-r--r-- | include/sound/audio_calibration.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/sound/audio_calibration.h b/include/sound/audio_calibration.h new file mode 100644 index 000000000000..5f6b5e37aa5c --- /dev/null +++ b/include/sound/audio_calibration.h @@ -0,0 +1,40 @@ +/* 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 |