static snd_pcm_uframes_t
s3c_idma_pointer(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct s3c_dma_params *dma = rtd->dai->cpu_dai->dma_data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct lpam_i2s_pdata *prtd = runtime->private_data;
dma_addr_t src, dst;
unsigned long res;
spin_lock(&prtd->lock);
#if 1
dst = dma->dma_addr;
s3c_idma_getpos(&src);
res = src - runtime->dma_addr;
#else
res = prtd->pos - prtd->start;
#endif
spin_unlock(&prtd->lock);
/* By Jung */
if (res >= snd_pcm_lib_buffer_bytes(substream)) {
if (res == snd_pcm_lib_buffer_bytes(substream))
res = 0;
}
return bytes_to_frames(substream->runtime, res);
}
static snd_pcm_uframes_t
s3c_idma_pointer(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct lpam_i2s_pdata *prtd = runtime->private_data;
dma_addr_t src;
unsigned long res;
spin_lock(&prtd->lock);
s3c_idma_getpos(&src);
res = src - prtd->start;
spin_unlock(&prtd->lock);
if (res >= snd_pcm_lib_buffer_bytes(substream)) {
if (res == snd_pcm_lib_buffer_bytes(substream))
res = 0;
}
return bytes_to_frames(substream->runtime, res);
}