Qcom spk protect 的流程

static int spkr_calibrate(int t0_spk_1, int t0_spk_2)
{
pcm_dev_rx_id = platform_get_pcm_device_id(uc_info_rx->id, PCM_PLAYBACK);
}


static void* spkr_calibration_thread()
{
status = spkr_calibrate(t0_spk_1, t0_spk_2);
}




void audio_extn_spkr_prot_init(void *adev)
{
(void)pthread_create(&handle.spkr_calibration_thread, 
(const pthread_attr_t *) NULL, 
spkr_calibration_thread, &handle);


}


void *platform_init(struct audio_device *adev)
{
audio_extn_spkr_prot_init(adev);
}


static int adev_open(const hw_module_t *module, const char *name,
                     hw_device_t **device)
{
 adev->platform = platform_init(adev);
}


static struct hw_module_methods_t hal_module_methods = {
    .open = adev_open,
};


struct audio_module HAL_MODULE_INFO_SYM = {
    .common = {
        .tag = HARDWARE_MODULE_TAG,
        .module_api_version = AUDIO_MODULE_API_VERSION_0_1,
        .hal_api_version = HARDWARE_HAL_API_VERSION,
        .id = AUDIO_HARDWARE_MODULE_ID,
        .name = "QCOM Audio HAL",
        .author = "The Linux Foundation",
        .methods = &hal_module_methods,
    },
};