static rt_err_t icodec_configure(struct rt_audio_device *audio,struct rt_audio_caps *caps)
{
rt_err_t result = RT_EOK;
struct imxcodec *icodec = (struct imxcodec *)audio->parent.user_data;
switch (caps->main_type)
{
case AUDIO_TYPE_MIXER:
{
switch (caps->sub_type)
{
case AUDIO_MIXER_VOLUME:
{
WM8960_SetVolume(&icodec->codecHandle, kWM8960_ModuleDAC,
caps->udata.value);
}
break;
default:
{
result = -RT_ERROR;
}
break;
}
}
break;
case AUDIO_TYPE_OUTPUT:
{
switch (caps->sub_type)
{
case AUDIO_DSP_PARAM:
{
} break;
case AUDIO_DSP_SAMPLERATE:
{
int rate = caps->udata.value;
icodec->format.sampleRate_Hz = rate;
SAI_TxSetFormat(icodec->sai, &icodec->format, icodec->format.masterClockHz, icodec->format.masterClockHz);
}
break;
default:
{
result = -RT_ERROR;
}
break;
}
}
break;
default:
result = -RT_ERROR;
break;
}
return result;
}
void Volume_Set(Uint8 Volume)
{
Uint8 Channel;
// Ramp volume if needed
for(Channel = 0; Channel <= 5; Channel++)
{
WM8960_SetVolume(Channel,Volume);
}
}
