static int msm_pcm_copy(struct snd_pcm_substream *substream, int a,
snd_pcm_uframes_t hwoff, void __user *buf, snd_pcm_uframes_t frames)
{
int ret = 0;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
ret = msm_pcm_playback_copy(substream, a, hwoff, buf, frames);
else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
ret = msm_pcm_capture_copy(substream, a, hwoff, buf, frames);
return ret;
}
/************************************************************************************************
** Functions
*************************************************************************************************/
static ssize_t sky_direct_adsp_read(struct file *filp, char __user *buffer, size_t length, loff_t *offset)
{
int ret = 0;
#if 0
char rec_ind;
#endif
if(!bUseSKYDirectADSP)
return -1;
if(voip_info.state != VOIP_STARTED)
return -2;
if(voip_info.capture_start != 1)
return -3;
#if 0
//navan - 2012.09.27 - for VoLTE Recording
if(copy_from_user(&rec_ind, (void __user *)buffer, 1))
{
rec_ind = 0;
}
if(rec_ind == 0xff)
{
int rx_record_size_retVal = 0; // 20130417 jmlee add volte recording noise fix
if(length < record_size) return 0;
if(record_size == 0) return 0; // 20130417 jmlee add volte recording noise fix
spin_lock(&pcm_read_lock);
if(copy_to_user((void __user *)buffer, rx_temp, record_size))
{
spin_unlock(&pcm_read_lock);
return 0;
}
memset(rx_temp, 0x0, sizeof(rx_temp));
//bRecordingFlag = true;
spin_unlock(&pcm_read_lock);
rx_record_size_retVal = record_size; // 20130417 jmlee add volte recording noise fix
record_size = 0;
//return record_size;
return rx_record_size_retVal; // 20130417 jmlee add volte recording noise fix
}
//-->20130214 jhsong : volte rec tx buffer too small
if(rec_ind == 0xfe)
{
int tx_record_size_retVal = 0; // jmlee add
if(length < tx_record_size) return 0;
if(tx_record_size == 0) return 0; // 20130417 jmlee add volte recording noise fix
spin_lock(&pcm_read_lock);
if(copy_to_user((void __user *)buffer, tx_temp, tx_record_size))
{
spin_unlock(&pcm_read_lock);
return 0;
}
memset(tx_temp, 0x0, sizeof(tx_temp));
//bRecordingFlag = true;
tx_record_size_retVal = tx_record_size; // jmlee add
tx_record_size = 0;
spin_unlock(&pcm_read_lock);
return tx_record_size_retVal; // jmlee add modify
}
//<--20130214 jhsong : volte rec tx buffer too small
#endif
if(voip_info.mode == MODE_PCM)
{
ret = msm_pcm_capture_copy(voip_info.capture_substream, 0, 0, (void __user *)buffer, length/2);
}
else if(voip_info.mode == MODE_AMR_WB)
{
ret = msm_pcm_capture_copy(voip_info.capture_substream, 0, 0, (void __user *)buffer, length);
}
else if(voip_info.mode == MODE_AMR)
{
ret = msm_pcm_capture_copy(voip_info.capture_substream, 0, 0, (void __user *)buffer, length);
}
else
return -4;
if(ret != 0)
return -5;
return length;
}
