nt9856x/code/hdal/ext_devices/audio/aud_emu/aud_emu.c
2023-03-28 15:07:53 +08:00

104 lines
2.3 KiB
C
Executable File

/*
Emaltion External audio codec driver
This file is the driver for Emaltion extended audio codec.
@file aud_emu.c
@ingroup mISYSAud
@note Nothing.
Copyright Novatek Microelectronics Corp. 2016. All rights reserved.
*/
/** \addtogroup mISYSAud */
//@{
#ifdef __KERNEL__
#include <linux/delay.h>
#include <mach/rcw_macro.h>
#include "kwrap/type.h"
#include "kwrap/semaphore.h"
#include "kwrap/flag.h"
#include "aud_emu_dbg.h"
#include "aud_emu.h"
#else
#include "kwrap/type.h"
#include "kwrap/semaphore.h"
#include "kwrap/flag.h"
#include "aud_emu_dbg.h"
#include "aud_emu.h"
#endif
unsigned int aud_emu_debug_level = NVT_DBG_WRN;
static ER aud_open_emu(CTL_AUD_ID id); ///< initial sensor flow
static ER aud_close_emu(CTL_AUD_ID id); ///< un-initial sensor flow
static ER aud_start_emu(CTL_AUD_ID id); ///< enter sensor sleep mode
static ER aud_stop_emu(CTL_AUD_ID id); ///< exit sensor sleep mode
static ER aud_set_cfg_emu(CTL_AUD_ID id, CTL_AUDDRV_CFGID drv_cfg_id, void *data); ///< set sensor information (if sensor driver not support feature, pls return E_NOSPT)
static ER aud_get_cfg_emu(CTL_AUD_ID id, CTL_AUDDRV_CFGID drv_cfg_id, void *data); ///< get sensor information (if sensor driver not support feature, pls return E_NOSPT)
static CTL_AUD_DRV_TAB emu_aud_drv_tab = {
aud_open_emu,
aud_close_emu,
aud_start_emu,
aud_stop_emu,
aud_set_cfg_emu,
aud_get_cfg_emu,
};
CTL_AUD_DRV_TAB *aud_get_drv_tab_emu(void)
{
return &emu_aud_drv_tab;
}
static ER aud_open_emu(CTL_AUD_ID id)
{
return E_OK;
}
static ER aud_close_emu(CTL_AUD_ID id)
{
return E_OK;
}
static ER aud_start_emu(CTL_AUD_ID id)
{
return E_OK;
}
static ER aud_stop_emu(CTL_AUD_ID id)
{
return E_OK;
}
static ER aud_set_cfg_emu(CTL_AUD_ID id, CTL_AUDDRV_CFGID drv_cfg_id, void *data)
{
return E_OK;
}
static ER aud_get_cfg_emu(CTL_AUD_ID id, CTL_AUDDRV_CFGID drv_cfg_id, void *data)
{
return E_OK;
}
int aud_init_emu(void)
{
INT32 ret;
CTL_AUD_DRV_TAB *drv_tab = NULL;
drv_tab = aud_get_drv_tab_emu();
ret = ctl_aud_reg_auddrv("nvt_aud_emu", drv_tab);
if (ret != E_OK) {
DBG_ERR("register audio driver fail \r\n");
}
return ret;
}
//@}